1 7cf289ca 2004-04-06 devnull #include <u.h>
2 7cf289ca 2004-04-06 devnull #include <libc.h>
3 7cf289ca 2004-04-06 devnull #include <draw.h>
4 7cf289ca 2004-04-06 devnull #include <ctype.h>
5 7cf289ca 2004-04-06 devnull #include <html.h>
6 7cf289ca 2004-04-06 devnull #include "impl.h"
8 7cf289ca 2004-04-06 devnull // A stack for holding integer values
10 7cf289ca 2004-04-06 devnull Nestmax = 40 // max nesting level of lists, font styles, etc.
13 7cf289ca 2004-04-06 devnull struct Stack {
14 7cf289ca 2004-04-06 devnull int n; // next available slot (top of stack is stack[n-1])
15 7cf289ca 2004-04-06 devnull int slots[Nestmax]; // stack entries
18 7cf289ca 2004-04-06 devnull // Parsing state
19 7cf289ca 2004-04-06 devnull struct Pstate
21 7cf289ca 2004-04-06 devnull Pstate* next; // in stack of Pstates
22 7cf289ca 2004-04-06 devnull int skipping; // true when we shouldn't add items
23 7cf289ca 2004-04-06 devnull int skipwhite; // true when we should strip leading space
24 7cf289ca 2004-04-06 devnull int curfont; // font index for current font
25 7cf289ca 2004-04-06 devnull int curfg; // current foreground color
26 7cf289ca 2004-04-06 devnull Background curbg; // current background
27 7cf289ca 2004-04-06 devnull int curvoff; // current baseline offset
28 7cf289ca 2004-04-06 devnull uchar curul; // current underline/strike state
29 7cf289ca 2004-04-06 devnull uchar curjust; // current justify state
30 7cf289ca 2004-04-06 devnull int curanchor; // current (href) anchor id (if in one), or 0
31 7cf289ca 2004-04-06 devnull int curstate; // current value of item state
32 7cf289ca 2004-04-06 devnull int literal; // current literal state
33 7cf289ca 2004-04-06 devnull int inpar; // true when in a paragraph-like construct
34 7cf289ca 2004-04-06 devnull int adjsize; // current font size adjustment
35 7cf289ca 2004-04-06 devnull Item* items; // dummy head of item list we're building
36 7cf289ca 2004-04-06 devnull Item* lastit; // tail of item list we're building
37 7cf289ca 2004-04-06 devnull Item* prelastit; // item before lastit
38 7cf289ca 2004-04-06 devnull Stack fntstylestk; // style stack
39 7cf289ca 2004-04-06 devnull Stack fntsizestk; // size stack
40 7cf289ca 2004-04-06 devnull Stack fgstk; // text color stack
41 7cf289ca 2004-04-06 devnull Stack ulstk; // underline stack
42 7cf289ca 2004-04-06 devnull Stack voffstk; // vertical offset stack
43 7cf289ca 2004-04-06 devnull Stack listtypestk; // list type stack
44 7cf289ca 2004-04-06 devnull Stack listcntstk; // list counter stack
45 7cf289ca 2004-04-06 devnull Stack juststk; // justification stack
46 7cf289ca 2004-04-06 devnull Stack hangstk; // hanging stack
49 7cf289ca 2004-04-06 devnull struct ItemSource
51 7cf289ca 2004-04-06 devnull Docinfo* doc;
52 7cf289ca 2004-04-06 devnull Pstate* psstk;
53 7cf289ca 2004-04-06 devnull int nforms;
54 7cf289ca 2004-04-06 devnull int ntables;
55 7cf289ca 2004-04-06 devnull int nanchors;
56 7cf289ca 2004-04-06 devnull int nframes;
57 7cf289ca 2004-04-06 devnull Form* curform;
58 7cf289ca 2004-04-06 devnull Map* curmap;
59 7cf289ca 2004-04-06 devnull Table* tabstk;
60 7cf289ca 2004-04-06 devnull Kidinfo* kidstk;
63 7cf289ca 2004-04-06 devnull // Some layout parameters
65 7cf289ca 2004-04-06 devnull FRKIDMARGIN = 6, // default margin around kid frames
66 7cf289ca 2004-04-06 devnull IMGHSPACE = 0, // default hspace for images (0 matches IE, Netscape)
67 7cf289ca 2004-04-06 devnull IMGVSPACE = 0, // default vspace for images
68 7cf289ca 2004-04-06 devnull FLTIMGHSPACE = 2, // default hspace for float images
69 7cf289ca 2004-04-06 devnull TABSP = 5, // default cellspacing for tables
70 7cf289ca 2004-04-06 devnull TABPAD = 1, // default cell padding for tables
71 7cf289ca 2004-04-06 devnull LISTTAB = 1, // number of tabs to indent lists
72 7cf289ca 2004-04-06 devnull BQTAB = 1, // number of tabs to indent blockquotes
73 7cf289ca 2004-04-06 devnull HRSZ = 2, // thickness of horizontal rules
74 7cf289ca 2004-04-06 devnull SUBOFF = 4, // vertical offset for subscripts
75 7cf289ca 2004-04-06 devnull SUPOFF = 6, // vertical offset for superscripts
76 7cf289ca 2004-04-06 devnull NBSP = 160 // non-breaking space character
79 7cf289ca 2004-04-06 devnull // These tables must be sorted
80 7cf289ca 2004-04-06 devnull static StringInt *align_tab;
81 7cf289ca 2004-04-06 devnull static AsciiInt _align_tab[] = {
82 7cf289ca 2004-04-06 devnull {"baseline", ALbaseline},
83 7cf289ca 2004-04-06 devnull {"bottom", ALbottom},
84 7cf289ca 2004-04-06 devnull {"center", ALcenter},
85 7cf289ca 2004-04-06 devnull {"char", ALchar},
86 7cf289ca 2004-04-06 devnull {"justify", ALjustify},
87 7cf289ca 2004-04-06 devnull {"left", ALleft},
88 7cf289ca 2004-04-06 devnull {"middle", ALmiddle},
89 7cf289ca 2004-04-06 devnull {"right", ALright},
90 7cf289ca 2004-04-06 devnull {"top", ALtop}
92 3c38dbc0 2005-10-29 devnull #define NALIGNTAB (sizeof(_align_tab)/sizeof(StringInt))
94 7cf289ca 2004-04-06 devnull static StringInt *input_tab;
95 7cf289ca 2004-04-06 devnull static AsciiInt _input_tab[] = {
96 7cf289ca 2004-04-06 devnull {"button", Fbutton},
97 7cf289ca 2004-04-06 devnull {"checkbox", Fcheckbox},
98 7cf289ca 2004-04-06 devnull {"file", Ffile},
99 7cf289ca 2004-04-06 devnull {"hidden", Fhidden},
100 7cf289ca 2004-04-06 devnull {"image", Fimage},
101 7cf289ca 2004-04-06 devnull {"password", Fpassword},
102 7cf289ca 2004-04-06 devnull {"radio", Fradio},
103 7cf289ca 2004-04-06 devnull {"reset", Freset},
104 7cf289ca 2004-04-06 devnull {"submit", Fsubmit},
105 7cf289ca 2004-04-06 devnull {"text", Ftext}
107 3c38dbc0 2005-10-29 devnull #define NINPUTTAB (sizeof(_input_tab)/sizeof(StringInt))
109 7cf289ca 2004-04-06 devnull static StringInt *clear_tab;
110 7cf289ca 2004-04-06 devnull static AsciiInt _clear_tab[] = {
111 7cf289ca 2004-04-06 devnull {"all", IFcleft|IFcright},
112 7cf289ca 2004-04-06 devnull {"left", IFcleft},
113 7cf289ca 2004-04-06 devnull {"right", IFcright}
115 3c38dbc0 2005-10-29 devnull #define NCLEARTAB (sizeof(_clear_tab)/sizeof(StringInt))
117 7cf289ca 2004-04-06 devnull static StringInt *fscroll_tab;
118 7cf289ca 2004-04-06 devnull static AsciiInt _fscroll_tab[] = {
119 7cf289ca 2004-04-06 devnull {"auto", FRhscrollauto|FRvscrollauto},
120 7cf289ca 2004-04-06 devnull {"no", FRnoscroll},
121 7cf289ca 2004-04-06 devnull {"yes", FRhscroll|FRvscroll},
123 3c38dbc0 2005-10-29 devnull #define NFSCROLLTAB (sizeof(_fscroll_tab)/sizeof(StringInt))
125 7cf289ca 2004-04-06 devnull static StringInt *shape_tab;
126 7cf289ca 2004-04-06 devnull static AsciiInt _shape_tab[] = {
127 7cf289ca 2004-04-06 devnull {"circ", SHcircle},
128 7cf289ca 2004-04-06 devnull {"circle", SHcircle},
129 7cf289ca 2004-04-06 devnull {"poly", SHpoly},
130 7cf289ca 2004-04-06 devnull {"polygon", SHpoly},
131 7cf289ca 2004-04-06 devnull {"rect", SHrect},
132 7cf289ca 2004-04-06 devnull {"rectangle", SHrect}
134 3c38dbc0 2005-10-29 devnull #define NSHAPETAB (sizeof(_shape_tab)/sizeof(StringInt))
136 7cf289ca 2004-04-06 devnull static StringInt *method_tab;
137 7cf289ca 2004-04-06 devnull static AsciiInt _method_tab[] = {
138 7cf289ca 2004-04-06 devnull {"get", HGet},
139 7cf289ca 2004-04-06 devnull {"post", HPost}
141 3c38dbc0 2005-10-29 devnull #define NMETHODTAB (sizeof(_method_tab)/sizeof(StringInt))
143 7cf289ca 2004-04-06 devnull static Rune** roman;
144 7cf289ca 2004-04-06 devnull static char* _roman[15]= {
145 7cf289ca 2004-04-06 devnull "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX", "X",
146 7cf289ca 2004-04-06 devnull "XI", "XII", "XIII", "XIV", "XV"
148 7cf289ca 2004-04-06 devnull #define NROMAN 15
150 7cf289ca 2004-04-06 devnull // List number types
152 7cf289ca 2004-04-06 devnull LTdisc, LTsquare, LTcircle, LT1, LTa, LTA, LTi, LTI
156 7cf289ca 2004-04-06 devnull SPBefore = 2,
157 7cf289ca 2004-04-06 devnull SPAfter = 4,
159 7cf289ca 2004-04-06 devnull BLBA = (BL|SPBefore|SPAfter)
162 7cf289ca 2004-04-06 devnull // blockbrk[tag] is break info for a block level element, or one
163 7cf289ca 2004-04-06 devnull // of a few others that get the same treatment re ending open paragraphs
164 7cf289ca 2004-04-06 devnull // and requiring a line break / vertical space before them.
165 7cf289ca 2004-04-06 devnull // If we want a line of space before the given element, SPBefore is OR'd in.
166 7cf289ca 2004-04-06 devnull // If we want a line of space after the given element, SPAfter is OR'd in.
168 7cf289ca 2004-04-06 devnull static uchar blockbrk[Numtags]= {
169 c2526742 2004-04-20 devnull /*Notfound*/ 0,
170 c2526742 2004-04-20 devnull /*Comment*/ 0,
171 c2526742 2004-04-20 devnull /*Ta*/ 0,
172 c2526742 2004-04-20 devnull /*Tabbr*/ 0,
173 c2526742 2004-04-20 devnull /*Tacronym*/ 0,
174 c2526742 2004-04-20 devnull /*Taddress*/ BLBA,
175 c2526742 2004-04-20 devnull /*Tapplet*/ 0,
176 c2526742 2004-04-20 devnull /*Tarea*/ 0,
177 c2526742 2004-04-20 devnull /*Tb*/ 0,
178 c2526742 2004-04-20 devnull /*Tbase*/ 0,
179 c2526742 2004-04-20 devnull /*Tbasefont*/ 0,
180 c2526742 2004-04-20 devnull /*Tbdo*/ 0,
181 c2526742 2004-04-20 devnull /*Tbig*/ 0,
182 c2526742 2004-04-20 devnull /*Tblink*/ 0,
183 c2526742 2004-04-20 devnull /*Tblockquote*/ BLBA,
184 c2526742 2004-04-20 devnull /*Tbody*/ 0,
185 c2526742 2004-04-20 devnull /*Tbq*/ 0,
186 c2526742 2004-04-20 devnull /*Tbr*/ 0,
187 c2526742 2004-04-20 devnull /*Tbutton*/ 0,
188 c2526742 2004-04-20 devnull /*Tcaption*/ 0,
189 c2526742 2004-04-20 devnull /*Tcenter*/ BL,
190 c2526742 2004-04-20 devnull /*Tcite*/ 0,
191 c2526742 2004-04-20 devnull /*Tcode*/ 0,
192 c2526742 2004-04-20 devnull /*Tcol*/ 0,
193 c2526742 2004-04-20 devnull /*Tcolgroup*/ 0,
194 c2526742 2004-04-20 devnull /*Tdd*/ BL,
195 c2526742 2004-04-20 devnull /*Tdel*/ 0,
196 c2526742 2004-04-20 devnull /*Tdfn*/ 0,
197 c2526742 2004-04-20 devnull /*Tdir*/ BLBA,
198 c2526742 2004-04-20 devnull /*Tdiv*/ BL,
199 c2526742 2004-04-20 devnull /*Tdl*/ BLBA,
200 c2526742 2004-04-20 devnull /*Tdt*/ BL,
201 c2526742 2004-04-20 devnull /*Tem*/ 0,
202 c2526742 2004-04-20 devnull /*Tfieldset*/ 0,
203 c2526742 2004-04-20 devnull /*Tfont*/ 0,
204 c2526742 2004-04-20 devnull /*Tform*/ BLBA,
205 c2526742 2004-04-20 devnull /*Tframe*/ 0,
206 c2526742 2004-04-20 devnull /*Tframeset*/ 0,
207 c2526742 2004-04-20 devnull /*Th1*/ BL,
208 c2526742 2004-04-20 devnull /*Th2*/ BL,
209 c2526742 2004-04-20 devnull /*Th3*/ BL,
210 c2526742 2004-04-20 devnull /*Th4*/ BL,
211 c2526742 2004-04-20 devnull /*Th5*/ BL,
212 c2526742 2004-04-20 devnull /*Th6*/ BL,
213 c2526742 2004-04-20 devnull /*Thead*/ 0,
214 c2526742 2004-04-20 devnull /*Thr*/ BL,
215 c2526742 2004-04-20 devnull /*Thtml*/ 0,
216 c2526742 2004-04-20 devnull /*Ti*/ 0,
217 c2526742 2004-04-20 devnull /*Tiframe*/ 0,
218 c2526742 2004-04-20 devnull /*Timg*/ 0,
219 c2526742 2004-04-20 devnull /*Tinput*/ 0,
220 c2526742 2004-04-20 devnull /*Tins*/ 0,
221 c2526742 2004-04-20 devnull /*Tisindex*/ BLBA,
222 c2526742 2004-04-20 devnull /*Tkbd*/ 0,
223 c2526742 2004-04-20 devnull /*Tlabel*/ 0,
224 c2526742 2004-04-20 devnull /*Tlegend*/ 0,
225 c2526742 2004-04-20 devnull /*Tli*/ BL,
226 c2526742 2004-04-20 devnull /*Tlink*/ 0,
227 c2526742 2004-04-20 devnull /*Tmap*/ 0,
228 c2526742 2004-04-20 devnull /*Tmenu*/ BLBA,
229 c2526742 2004-04-20 devnull /*Tmeta*/ 0,
230 c2526742 2004-04-20 devnull /*Tnobr*/ 0,
231 c2526742 2004-04-20 devnull /*Tnoframes*/ 0,
232 c2526742 2004-04-20 devnull /*Tnoscript*/ 0,
233 c2526742 2004-04-20 devnull /*Tobject*/ 0,
234 c2526742 2004-04-20 devnull /*Tol*/ BLBA,
235 c2526742 2004-04-20 devnull /*Toptgroup*/ 0,
236 c2526742 2004-04-20 devnull /*Toption*/ 0,
237 c2526742 2004-04-20 devnull /*Tp*/ BLBA,
238 c2526742 2004-04-20 devnull /*Tparam*/ 0,
239 c2526742 2004-04-20 devnull /*Tpre*/ BLBA,
240 c2526742 2004-04-20 devnull /*Tq*/ 0,
241 c2526742 2004-04-20 devnull /*Ts*/ 0,
242 c2526742 2004-04-20 devnull /*Tsamp*/ 0,
243 c2526742 2004-04-20 devnull /*Tscript*/ 0,
244 c2526742 2004-04-20 devnull /*Tselect*/ 0,
245 c2526742 2004-04-20 devnull /*Tsmall*/ 0,
246 c2526742 2004-04-20 devnull /*Tspan*/ 0,
247 c2526742 2004-04-20 devnull /*Tstrike*/ 0,
248 c2526742 2004-04-20 devnull /*Tstrong*/ 0,
249 c2526742 2004-04-20 devnull /*Tstyle*/ 0,
250 c2526742 2004-04-20 devnull /*Tsub*/ 0,
251 c2526742 2004-04-20 devnull /*Tsup*/ 0,
252 c2526742 2004-04-20 devnull /*Ttable*/ 0,
253 c2526742 2004-04-20 devnull /*Ttbody*/ 0,
254 c2526742 2004-04-20 devnull /*Ttd*/ 0,
255 c2526742 2004-04-20 devnull /*Ttextarea*/ 0,
256 c2526742 2004-04-20 devnull /*Ttfoot*/ 0,
257 c2526742 2004-04-20 devnull /*Tth*/ 0,
258 c2526742 2004-04-20 devnull /*Tthead*/ 0,
259 c2526742 2004-04-20 devnull /*Ttitle*/ 0,
260 c2526742 2004-04-20 devnull /*Ttr*/ 0,
261 c2526742 2004-04-20 devnull /*Ttt*/ 0,
262 c2526742 2004-04-20 devnull /*Tu*/ 0,
263 c2526742 2004-04-20 devnull /*Tul*/ BLBA,
264 c2526742 2004-04-20 devnull /*Tvar*/ 0,
268 7cf289ca 2004-04-06 devnull AGEN = 1
271 7cf289ca 2004-04-06 devnull // attrinfo is information about attributes.
272 7cf289ca 2004-04-06 devnull // The AGEN value means that the attribute is generic (applies to almost all elements)
273 7cf289ca 2004-04-06 devnull static uchar attrinfo[Numattrs]= {
274 c2526742 2004-04-20 devnull /*Aabbr*/ 0,
275 c2526742 2004-04-20 devnull /*Aaccept_charset*/ 0,
276 c2526742 2004-04-20 devnull /*Aaccess_key*/ 0,
277 c2526742 2004-04-20 devnull /*Aaction*/ 0,
278 c2526742 2004-04-20 devnull /*Aalign*/ 0,
279 c2526742 2004-04-20 devnull /*Aalink*/ 0,
280 c2526742 2004-04-20 devnull /*Aalt*/ 0,
281 c2526742 2004-04-20 devnull /*Aarchive*/ 0,
282 c2526742 2004-04-20 devnull /*Aaxis*/ 0,
283 c2526742 2004-04-20 devnull /*Abackground*/ 0,
284 c2526742 2004-04-20 devnull /*Abgcolor*/ 0,
285 c2526742 2004-04-20 devnull /*Aborder*/ 0,
286 c2526742 2004-04-20 devnull /*Acellpadding*/ 0,
287 c2526742 2004-04-20 devnull /*Acellspacing*/ 0,
288 c2526742 2004-04-20 devnull /*Achar*/ 0,
289 c2526742 2004-04-20 devnull /*Acharoff*/ 0,
290 c2526742 2004-04-20 devnull /*Acharset*/ 0,
291 c2526742 2004-04-20 devnull /*Achecked*/ 0,
292 c2526742 2004-04-20 devnull /*Acite*/ 0,
293 c2526742 2004-04-20 devnull /*Aclass*/ AGEN,
294 c2526742 2004-04-20 devnull /*Aclassid*/ 0,
295 c2526742 2004-04-20 devnull /*Aclear*/ 0,
296 c2526742 2004-04-20 devnull /*Acode*/ 0,
297 c2526742 2004-04-20 devnull /*Acodebase*/ 0,
298 c2526742 2004-04-20 devnull /*Acodetype*/ 0,
299 c2526742 2004-04-20 devnull /*Acolor*/ 0,
300 c2526742 2004-04-20 devnull /*Acols*/ 0,
301 c2526742 2004-04-20 devnull /*Acolspan*/ 0,
302 c2526742 2004-04-20 devnull /*Acompact*/ 0,
303 c2526742 2004-04-20 devnull /*Acontent*/ 0,
304 c2526742 2004-04-20 devnull /*Acoords*/ 0,
305 c2526742 2004-04-20 devnull /*Adata*/ 0,
306 c2526742 2004-04-20 devnull /*Adatetime*/ 0,
307 c2526742 2004-04-20 devnull /*Adeclare*/ 0,
308 c2526742 2004-04-20 devnull /*Adefer*/ 0,
309 c2526742 2004-04-20 devnull /*Adir*/ 0,
310 c2526742 2004-04-20 devnull /*Adisabled*/ 0,
311 c2526742 2004-04-20 devnull /*Aenctype*/ 0,
312 c2526742 2004-04-20 devnull /*Aface*/ 0,
313 c2526742 2004-04-20 devnull /*Afor*/ 0,
314 c2526742 2004-04-20 devnull /*Aframe*/ 0,
315 c2526742 2004-04-20 devnull /*Aframeborder*/ 0,
316 c2526742 2004-04-20 devnull /*Aheaders*/ 0,
317 c2526742 2004-04-20 devnull /*Aheight*/ 0,
318 c2526742 2004-04-20 devnull /*Ahref*/ 0,
319 c2526742 2004-04-20 devnull /*Ahreflang*/ 0,
320 c2526742 2004-04-20 devnull /*Ahspace*/ 0,
321 c2526742 2004-04-20 devnull /*Ahttp_equiv*/ 0,
322 c2526742 2004-04-20 devnull /*Aid*/ AGEN,
323 c2526742 2004-04-20 devnull /*Aismap*/ 0,
324 c2526742 2004-04-20 devnull /*Alabel*/ 0,
325 c2526742 2004-04-20 devnull /*Alang*/ 0,
326 c2526742 2004-04-20 devnull /*Alink*/ 0,
327 c2526742 2004-04-20 devnull /*Alongdesc*/ 0,
328 c2526742 2004-04-20 devnull /*Amarginheight*/ 0,
329 c2526742 2004-04-20 devnull /*Amarginwidth*/ 0,
330 c2526742 2004-04-20 devnull /*Amaxlength*/ 0,
331 c2526742 2004-04-20 devnull /*Amedia*/ 0,
332 c2526742 2004-04-20 devnull /*Amethod*/ 0,
333 c2526742 2004-04-20 devnull /*Amultiple*/ 0,
334 c2526742 2004-04-20 devnull /*Aname*/ 0,
335 c2526742 2004-04-20 devnull /*Anohref*/ 0,
336 c2526742 2004-04-20 devnull /*Anoresize*/ 0,
337 c2526742 2004-04-20 devnull /*Anoshade*/ 0,
338 c2526742 2004-04-20 devnull /*Anowrap*/ 0,
339 c2526742 2004-04-20 devnull /*Aobject*/ 0,
340 c2526742 2004-04-20 devnull /*Aonblur*/ AGEN,
341 c2526742 2004-04-20 devnull /*Aonchange*/ AGEN,
342 c2526742 2004-04-20 devnull /*Aonclick*/ AGEN,
343 c2526742 2004-04-20 devnull /*Aondblclick*/ AGEN,
344 c2526742 2004-04-20 devnull /*Aonfocus*/ AGEN,
345 c2526742 2004-04-20 devnull /*Aonkeypress*/ AGEN,
346 c2526742 2004-04-20 devnull /*Aonkeyup*/ AGEN,
347 c2526742 2004-04-20 devnull /*Aonload*/ AGEN,
348 c2526742 2004-04-20 devnull /*Aonmousedown*/ AGEN,
349 c2526742 2004-04-20 devnull /*Aonmousemove*/ AGEN,
350 c2526742 2004-04-20 devnull /*Aonmouseout*/ AGEN,
351 c2526742 2004-04-20 devnull /*Aonmouseover*/ AGEN,
352 c2526742 2004-04-20 devnull /*Aonmouseup*/ AGEN,
353 c2526742 2004-04-20 devnull /*Aonreset*/ AGEN,
354 c2526742 2004-04-20 devnull /*Aonselect*/ AGEN,
355 c2526742 2004-04-20 devnull /*Aonsubmit*/ AGEN,
356 c2526742 2004-04-20 devnull /*Aonunload*/ AGEN,
357 c2526742 2004-04-20 devnull /*Aprofile*/ 0,
358 c2526742 2004-04-20 devnull /*Aprompt*/ 0,
359 c2526742 2004-04-20 devnull /*Areadonly*/ 0,
360 c2526742 2004-04-20 devnull /*Arel*/ 0,
361 c2526742 2004-04-20 devnull /*Arev*/ 0,
362 c2526742 2004-04-20 devnull /*Arows*/ 0,
363 c2526742 2004-04-20 devnull /*Arowspan*/ 0,
364 c2526742 2004-04-20 devnull /*Arules*/ 0,
365 c2526742 2004-04-20 devnull /*Ascheme*/ 0,
366 c2526742 2004-04-20 devnull /*Ascope*/ 0,
367 c2526742 2004-04-20 devnull /*Ascrolling*/ 0,
368 c2526742 2004-04-20 devnull /*Aselected*/ 0,
369 c2526742 2004-04-20 devnull /*Ashape*/ 0,
370 c2526742 2004-04-20 devnull /*Asize*/ 0,
371 c2526742 2004-04-20 devnull /*Aspan*/ 0,
372 c2526742 2004-04-20 devnull /*Asrc*/ 0,
373 c2526742 2004-04-20 devnull /*Astandby*/ 0,
374 c2526742 2004-04-20 devnull /*Astart*/ 0,
375 c2526742 2004-04-20 devnull /*Astyle*/ AGEN,
376 c2526742 2004-04-20 devnull /*Asummary*/ 0,
377 c2526742 2004-04-20 devnull /*Atabindex*/ 0,
378 c2526742 2004-04-20 devnull /*Atarget*/ 0,
379 c2526742 2004-04-20 devnull /*Atext*/ 0,
380 c2526742 2004-04-20 devnull /*Atitle*/ AGEN,
381 c2526742 2004-04-20 devnull /*Atype*/ 0,
382 c2526742 2004-04-20 devnull /*Ausemap*/ 0,
383 c2526742 2004-04-20 devnull /*Avalign*/ 0,
384 c2526742 2004-04-20 devnull /*Avalue*/ 0,
385 c2526742 2004-04-20 devnull /*Avaluetype*/ 0,
386 c2526742 2004-04-20 devnull /*Aversion*/ 0,
387 c2526742 2004-04-20 devnull /*Avlink*/ 0,
388 c2526742 2004-04-20 devnull /*Avspace*/ 0,
389 c2526742 2004-04-20 devnull /*Awidth*/ 0,
392 7cf289ca 2004-04-06 devnull static uchar scriptev[Numattrs]= {
393 c2526742 2004-04-20 devnull /*Aabbr*/ 0,
394 c2526742 2004-04-20 devnull /*Aaccept_charset*/ 0,
395 c2526742 2004-04-20 devnull /*Aaccess_key*/ 0,
396 c2526742 2004-04-20 devnull /*Aaction*/ 0,
397 c2526742 2004-04-20 devnull /*Aalign*/ 0,
398 c2526742 2004-04-20 devnull /*Aalink*/ 0,
399 c2526742 2004-04-20 devnull /*Aalt*/ 0,
400 c2526742 2004-04-20 devnull /*Aarchive*/ 0,
401 c2526742 2004-04-20 devnull /*Aaxis*/ 0,
402 c2526742 2004-04-20 devnull /*Abackground*/ 0,
403 c2526742 2004-04-20 devnull /*Abgcolor*/ 0,
404 c2526742 2004-04-20 devnull /*Aborder*/ 0,
405 c2526742 2004-04-20 devnull /*Acellpadding*/ 0,
406 c2526742 2004-04-20 devnull /*Acellspacing*/ 0,
407 c2526742 2004-04-20 devnull /*Achar*/ 0,
408 c2526742 2004-04-20 devnull /*Acharoff*/ 0,
409 c2526742 2004-04-20 devnull /*Acharset*/ 0,
410 c2526742 2004-04-20 devnull /*Achecked*/ 0,
411 c2526742 2004-04-20 devnull /*Acite*/ 0,
412 c2526742 2004-04-20 devnull /*Aclass*/ 0,
413 c2526742 2004-04-20 devnull /*Aclassid*/ 0,
414 c2526742 2004-04-20 devnull /*Aclear*/ 0,
415 c2526742 2004-04-20 devnull /*Acode*/ 0,
416 c2526742 2004-04-20 devnull /*Acodebase*/ 0,
417 c2526742 2004-04-20 devnull /*Acodetype*/ 0,
418 c2526742 2004-04-20 devnull /*Acolor*/ 0,
419 c2526742 2004-04-20 devnull /*Acols*/ 0,
420 c2526742 2004-04-20 devnull /*Acolspan*/ 0,
421 c2526742 2004-04-20 devnull /*Acompact*/ 0,
422 c2526742 2004-04-20 devnull /*Acontent*/ 0,
423 c2526742 2004-04-20 devnull /*Acoords*/ 0,
424 c2526742 2004-04-20 devnull /*Adata*/ 0,
425 c2526742 2004-04-20 devnull /*Adatetime*/ 0,
426 c2526742 2004-04-20 devnull /*Adeclare*/ 0,
427 c2526742 2004-04-20 devnull /*Adefer*/ 0,
428 c2526742 2004-04-20 devnull /*Adir*/ 0,
429 c2526742 2004-04-20 devnull /*Adisabled*/ 0,
430 c2526742 2004-04-20 devnull /*Aenctype*/ 0,
431 c2526742 2004-04-20 devnull /*Aface*/ 0,
432 c2526742 2004-04-20 devnull /*Afor*/ 0,
433 c2526742 2004-04-20 devnull /*Aframe*/ 0,
434 c2526742 2004-04-20 devnull /*Aframeborder*/ 0,
435 c2526742 2004-04-20 devnull /*Aheaders*/ 0,
436 c2526742 2004-04-20 devnull /*Aheight*/ 0,
437 c2526742 2004-04-20 devnull /*Ahref*/ 0,
438 c2526742 2004-04-20 devnull /*Ahreflang*/ 0,
439 c2526742 2004-04-20 devnull /*Ahspace*/ 0,
440 c2526742 2004-04-20 devnull /*Ahttp_equiv*/ 0,
441 c2526742 2004-04-20 devnull /*Aid*/ 0,
442 c2526742 2004-04-20 devnull /*Aismap*/ 0,
443 c2526742 2004-04-20 devnull /*Alabel*/ 0,
444 c2526742 2004-04-20 devnull /*Alang*/ 0,
445 c2526742 2004-04-20 devnull /*Alink*/ 0,
446 c2526742 2004-04-20 devnull /*Alongdesc*/ 0,
447 c2526742 2004-04-20 devnull /*Amarginheight*/ 0,
448 c2526742 2004-04-20 devnull /*Amarginwidth*/ 0,
449 c2526742 2004-04-20 devnull /*Amaxlength*/ 0,
450 c2526742 2004-04-20 devnull /*Amedia*/ 0,
451 c2526742 2004-04-20 devnull /*Amethod*/ 0,
452 c2526742 2004-04-20 devnull /*Amultiple*/ 0,
453 c2526742 2004-04-20 devnull /*Aname*/ 0,
454 c2526742 2004-04-20 devnull /*Anohref*/ 0,
455 c2526742 2004-04-20 devnull /*Anoresize*/ 0,
456 c2526742 2004-04-20 devnull /*Anoshade*/ 0,
457 c2526742 2004-04-20 devnull /*Anowrap*/ 0,
458 c2526742 2004-04-20 devnull /*Aobject*/ 0,
459 c2526742 2004-04-20 devnull /*Aonblur*/ SEonblur,
460 c2526742 2004-04-20 devnull /*Aonchange*/ SEonchange,
461 c2526742 2004-04-20 devnull /*Aonclick*/ SEonclick,
462 c2526742 2004-04-20 devnull /*Aondblclick*/ SEondblclick,
463 c2526742 2004-04-20 devnull /*Aonfocus*/ SEonfocus,
464 c2526742 2004-04-20 devnull /*Aonkeypress*/ SEonkeypress,
465 c2526742 2004-04-20 devnull /*Aonkeyup*/ SEonkeyup,
466 c2526742 2004-04-20 devnull /*Aonload*/ SEonload,
467 c2526742 2004-04-20 devnull /*Aonmousedown*/ SEonmousedown,
468 c2526742 2004-04-20 devnull /*Aonmousemove*/ SEonmousemove,
469 c2526742 2004-04-20 devnull /*Aonmouseout*/ SEonmouseout,
470 c2526742 2004-04-20 devnull /*Aonmouseover*/ SEonmouseover,
471 c2526742 2004-04-20 devnull /*Aonmouseup*/ SEonmouseup,
472 c2526742 2004-04-20 devnull /*Aonreset*/ SEonreset,
473 c2526742 2004-04-20 devnull /*Aonselect*/ SEonselect,
474 c2526742 2004-04-20 devnull /*Aonsubmit*/ SEonsubmit,
475 c2526742 2004-04-20 devnull /*Aonunload*/ SEonunload,
476 c2526742 2004-04-20 devnull /*Aprofile*/ 0,
477 c2526742 2004-04-20 devnull /*Aprompt*/ 0,
478 c2526742 2004-04-20 devnull /*Areadonly*/ 0,
479 c2526742 2004-04-20 devnull /*Arel*/ 0,
480 c2526742 2004-04-20 devnull /*Arev*/ 0,
481 c2526742 2004-04-20 devnull /*Arows*/ 0,
482 c2526742 2004-04-20 devnull /*Arowspan*/ 0,
483 c2526742 2004-04-20 devnull /*Arules*/ 0,
484 c2526742 2004-04-20 devnull /*Ascheme*/ 0,
485 c2526742 2004-04-20 devnull /*Ascope*/ 0,
486 c2526742 2004-04-20 devnull /*Ascrolling*/ 0,
487 c2526742 2004-04-20 devnull /*Aselected*/ 0,
488 c2526742 2004-04-20 devnull /*Ashape*/ 0,
489 c2526742 2004-04-20 devnull /*Asize*/ 0,
490 c2526742 2004-04-20 devnull /*Aspan*/ 0,
491 c2526742 2004-04-20 devnull /*Asrc*/ 0,
492 c2526742 2004-04-20 devnull /*Astandby*/ 0,
493 c2526742 2004-04-20 devnull /*Astart*/ 0,
494 c2526742 2004-04-20 devnull /*Astyle*/ 0,
495 c2526742 2004-04-20 devnull /*Asummary*/ 0,
496 c2526742 2004-04-20 devnull /*Atabindex*/ 0,
497 c2526742 2004-04-20 devnull /*Atarget*/ 0,
498 c2526742 2004-04-20 devnull /*Atext*/ 0,
499 c2526742 2004-04-20 devnull /*Atitle*/ 0,
500 c2526742 2004-04-20 devnull /*Atype*/ 0,
501 c2526742 2004-04-20 devnull /*Ausemap*/ 0,
502 c2526742 2004-04-20 devnull /*Avalign*/ 0,
503 c2526742 2004-04-20 devnull /*Avalue*/ 0,
504 c2526742 2004-04-20 devnull /*Avaluetype*/ 0,
505 c2526742 2004-04-20 devnull /*Aversion*/ 0,
506 c2526742 2004-04-20 devnull /*Avlink*/ 0,
507 c2526742 2004-04-20 devnull /*Avspace*/ 0,
508 c2526742 2004-04-20 devnull /*Awidth*/ 0,
511 7cf289ca 2004-04-06 devnull // Color lookup table
512 7cf289ca 2004-04-06 devnull static StringInt *color_tab;
513 7cf289ca 2004-04-06 devnull static AsciiInt _color_tab[] = {
514 7cf289ca 2004-04-06 devnull {"aqua", 0x00FFFF},
515 7cf289ca 2004-04-06 devnull {"black", 0x000000},
516 7cf289ca 2004-04-06 devnull {"blue", 0x0000CC},
517 7cf289ca 2004-04-06 devnull {"fuchsia", 0xFF00FF},
518 7cf289ca 2004-04-06 devnull {"gray", 0x808080},
519 7cf289ca 2004-04-06 devnull {"green", 0x008000},
520 7cf289ca 2004-04-06 devnull {"lime", 0x00FF00},
521 7cf289ca 2004-04-06 devnull {"maroon", 0x800000},
522 7cf289ca 2004-04-06 devnull {"navy", 0x000080,},
523 7cf289ca 2004-04-06 devnull {"olive", 0x808000},
524 7cf289ca 2004-04-06 devnull {"purple", 0x800080},
525 7cf289ca 2004-04-06 devnull {"red", 0xFF0000},
526 7cf289ca 2004-04-06 devnull {"silver", 0xC0C0C0},
527 7cf289ca 2004-04-06 devnull {"teal", 0x008080},
528 7cf289ca 2004-04-06 devnull {"white", 0xFFFFFF},
529 7cf289ca 2004-04-06 devnull {"yellow", 0xFFFF00}
531 3c38dbc0 2005-10-29 devnull #define NCOLORS (sizeof(_color_tab)/sizeof(StringInt))
533 7cf289ca 2004-04-06 devnull static StringInt *targetmap;
534 7cf289ca 2004-04-06 devnull static int targetmapsize;
535 7cf289ca 2004-04-06 devnull static int ntargets;
537 7cf289ca 2004-04-06 devnull static int buildinited = 0;
539 7cf289ca 2004-04-06 devnull #define SMALLBUFSIZE 240
540 7cf289ca 2004-04-06 devnull #define BIGBUFSIZE 2000
542 7cf289ca 2004-04-06 devnull int dbgbuild = 0;
543 7cf289ca 2004-04-06 devnull int warn = 0;
545 7cf289ca 2004-04-06 devnull static Align aalign(Token* tok);
546 7cf289ca 2004-04-06 devnull static int acolorval(Token* tok, int attid, int dflt);
547 7cf289ca 2004-04-06 devnull static void addbrk(Pstate* ps, int sp, int clr);
548 7cf289ca 2004-04-06 devnull static void additem(Pstate* ps, Item* it, Token* tok);
549 7cf289ca 2004-04-06 devnull static void addlinebrk(Pstate* ps, int clr);
550 7cf289ca 2004-04-06 devnull static void addnbsp(Pstate* ps);
551 7cf289ca 2004-04-06 devnull static void addtext(Pstate* ps, Rune* s);
552 7cf289ca 2004-04-06 devnull static Dimen adimen(Token* tok, int attid);
553 7cf289ca 2004-04-06 devnull static int aflagval(Token* tok, int attid);
554 7cf289ca 2004-04-06 devnull static int aintval(Token* tok, int attid, int dflt);
555 7cf289ca 2004-04-06 devnull static Rune* astrval(Token* tok, int attid, Rune* dflt);
556 7cf289ca 2004-04-06 devnull static int atabval(Token* tok, int attid, StringInt* tab, int ntab, int dflt);
557 7cf289ca 2004-04-06 devnull static int atargval(Token* tok, int dflt);
558 7cf289ca 2004-04-06 devnull static int auintval(Token* tok, int attid, int dflt);
559 7cf289ca 2004-04-06 devnull static Rune* aurlval(Token* tok, int attid, Rune* dflt, Rune* base);
560 7cf289ca 2004-04-06 devnull static Rune* aval(Token* tok, int attid);
561 7cf289ca 2004-04-06 devnull static void buildinit(void);
562 7cf289ca 2004-04-06 devnull static Pstate* cell_pstate(Pstate* oldps, int ishead);
563 7cf289ca 2004-04-06 devnull static void changehang(Pstate* ps, int delta);
564 7cf289ca 2004-04-06 devnull static void changeindent(Pstate* ps, int delta);
565 7cf289ca 2004-04-06 devnull static int color(Rune* s, int dflt);
566 7cf289ca 2004-04-06 devnull static void copystack(Stack* tostk, Stack* fromstk);
567 7cf289ca 2004-04-06 devnull static int dimprint(char* buf, int nbuf, Dimen d);
568 7cf289ca 2004-04-06 devnull static Pstate* finishcell(Table* curtab, Pstate* psstk);
569 7cf289ca 2004-04-06 devnull static void finish_table(Table* t);
570 7cf289ca 2004-04-06 devnull static void freeanchor(Anchor* a);
571 7cf289ca 2004-04-06 devnull static void freedestanchor(DestAnchor* da);
572 7cf289ca 2004-04-06 devnull static void freeform(Form* f);
573 7cf289ca 2004-04-06 devnull static void freeformfield(Formfield* ff);
574 7cf289ca 2004-04-06 devnull static void freeitem(Item* it);
575 7cf289ca 2004-04-06 devnull static void freepstate(Pstate* p);
576 7cf289ca 2004-04-06 devnull static void freepstatestack(Pstate* pshead);
577 7cf289ca 2004-04-06 devnull static void freescriptevents(SEvent* ehead);
578 7cf289ca 2004-04-06 devnull static void freetable(Table* t);
579 7cf289ca 2004-04-06 devnull static Map* getmap(Docinfo* di, Rune* name);
580 7cf289ca 2004-04-06 devnull static Rune* getpcdata(Token* toks, int tokslen, int* ptoki);
581 7cf289ca 2004-04-06 devnull static Pstate* lastps(Pstate* psl);
582 7cf289ca 2004-04-06 devnull static Rune* listmark(uchar ty, int n);
583 7cf289ca 2004-04-06 devnull static int listtyval(Token* tok, int dflt);
584 7cf289ca 2004-04-06 devnull static Align makealign(int halign, int valign);
585 7cf289ca 2004-04-06 devnull static Background makebackground(Rune* imgurl, int color);
586 7cf289ca 2004-04-06 devnull static Dimen makedimen(int kind, int spec);
587 7cf289ca 2004-04-06 devnull static Anchor* newanchor(int index, Rune* name, Rune* href, int target, Anchor* link);
588 7cf289ca 2004-04-06 devnull static Area* newarea(int shape, Rune* href, int target, Area* link);
589 7cf289ca 2004-04-06 devnull static DestAnchor* newdestanchor(int index, Rune* name, Item* item, DestAnchor* link);
590 7cf289ca 2004-04-06 devnull static Docinfo* newdocinfo(void);
591 7cf289ca 2004-04-06 devnull static Genattr* newgenattr(Rune* id, Rune* class, Rune* style, Rune* title, SEvent* events);
592 7cf289ca 2004-04-06 devnull static Form* newform(int formid, Rune* name, Rune* action,
593 7cf289ca 2004-04-06 devnull int target, int method, Form* link);
594 7cf289ca 2004-04-06 devnull static Formfield* newformfield(int ftype, int fieldid, Form* form, Rune* name,
595 7cf289ca 2004-04-06 devnull Rune* value, int size, int maxlength, Formfield* link);
596 7cf289ca 2004-04-06 devnull static Item* newifloat(Item* it, int side);
597 7cf289ca 2004-04-06 devnull static Item* newiformfield(Formfield* ff);
598 7cf289ca 2004-04-06 devnull static Item* newiimage(Rune* src, Rune* altrep, int align, int width, int height,
599 7cf289ca 2004-04-06 devnull int hspace, int vspace, int border, int ismap, Map* map);
600 7cf289ca 2004-04-06 devnull static Item* newirule(int align, int size, int noshade, Dimen wspec);
601 7cf289ca 2004-04-06 devnull static Item* newispacer(int spkind);
602 7cf289ca 2004-04-06 devnull static Item* newitable(Table* t);
603 7cf289ca 2004-04-06 devnull static ItemSource* newitemsource(Docinfo* di);
604 7cf289ca 2004-04-06 devnull static Item* newitext(Rune* s, int fnt, int fg, int voff, int ul);
605 7cf289ca 2004-04-06 devnull static Kidinfo* newkidinfo(int isframeset, Kidinfo* link);
606 7cf289ca 2004-04-06 devnull static Option* newoption(int selected, Rune* value, Rune* display, Option* link);
607 7cf289ca 2004-04-06 devnull static Pstate* newpstate(Pstate* link);
608 7cf289ca 2004-04-06 devnull static SEvent* newscriptevent(int type, Rune* script, SEvent* link);
609 7cf289ca 2004-04-06 devnull static Table* newtable(int tableid, Align align, Dimen width, int border,
610 7cf289ca 2004-04-06 devnull int cellspacing, int cellpadding, Background bg, Token* tok, Table* link);
611 7cf289ca 2004-04-06 devnull static Tablecell* newtablecell(int cellid, int rowspan, int colspan, Align align, Dimen wspec,
612 7cf289ca 2004-04-06 devnull int hspec, Background bg, int flags, Tablecell* link);
613 7cf289ca 2004-04-06 devnull static Tablerow* newtablerow(Align align, Background bg, int flags, Tablerow* link);
614 7cf289ca 2004-04-06 devnull static Dimen parsedim(Rune* s, int ns);
615 7cf289ca 2004-04-06 devnull static void pop(Stack* stk);
616 7cf289ca 2004-04-06 devnull static void popfontsize(Pstate* ps);
617 7cf289ca 2004-04-06 devnull static void popfontstyle(Pstate* ps);
618 7cf289ca 2004-04-06 devnull static void popjust(Pstate* ps);
619 7cf289ca 2004-04-06 devnull static int popretnewtop(Stack* stk, int dflt);
620 7cf289ca 2004-04-06 devnull static int push(Stack* stk, int val);
621 7cf289ca 2004-04-06 devnull static void pushfontsize(Pstate* ps, int sz);
622 7cf289ca 2004-04-06 devnull static void pushfontstyle(Pstate* ps, int sty);
623 7cf289ca 2004-04-06 devnull static void pushjust(Pstate* ps, int j);
624 7cf289ca 2004-04-06 devnull static Item* textit(Pstate* ps, Rune* s);
625 7cf289ca 2004-04-06 devnull static Rune* removeallwhite(Rune* s);
626 7cf289ca 2004-04-06 devnull static void resetdocinfo(Docinfo* d);
627 7cf289ca 2004-04-06 devnull static void setcurfont(Pstate* ps);
628 7cf289ca 2004-04-06 devnull static void setcurjust(Pstate* ps);
629 7cf289ca 2004-04-06 devnull static void setdimarray(Token* tok, int attid, Dimen** pans, int* panslen);
630 7cf289ca 2004-04-06 devnull static Rune* stringalign(int a);
631 7cf289ca 2004-04-06 devnull static void targetmapinit(void);
632 7cf289ca 2004-04-06 devnull static int toint(Rune* s);
633 7cf289ca 2004-04-06 devnull static int top(Stack* stk, int dflt);
634 7cf289ca 2004-04-06 devnull static void trim_cell(Tablecell* c);
635 7cf289ca 2004-04-06 devnull static int validalign(Align a);
636 7cf289ca 2004-04-06 devnull static int validdimen(Dimen d);
637 7cf289ca 2004-04-06 devnull static int validformfield(Formfield* f);
638 7cf289ca 2004-04-06 devnull static int validhalign(int a);
639 7cf289ca 2004-04-06 devnull static int validptr(void* p);
640 7cf289ca 2004-04-06 devnull static int validStr(Rune* s);
641 7cf289ca 2004-04-06 devnull static int validtable(Table* t);
642 7cf289ca 2004-04-06 devnull static int validtablerow(Tablerow* r);
643 7cf289ca 2004-04-06 devnull static int validtablecol(Tablecol* c);
644 7cf289ca 2004-04-06 devnull static int validtablecell(Tablecell* c);
645 7cf289ca 2004-04-06 devnull static int validvalign(int a);
646 7cf289ca 2004-04-06 devnull static int Iconv(Fmt *f);
648 7cf289ca 2004-04-06 devnull static void
649 7cf289ca 2004-04-06 devnull buildinit(void)
651 7e19561a 2005-01-04 devnull _runetabinit();
652 7e19561a 2005-01-04 devnull roman = _cvtstringtab(_roman, nelem(_roman));
653 7e19561a 2005-01-04 devnull color_tab = _cvtstringinttab(_color_tab, nelem(_color_tab));
654 7e19561a 2005-01-04 devnull method_tab = _cvtstringinttab(_method_tab, nelem(_method_tab));
655 7e19561a 2005-01-04 devnull shape_tab = _cvtstringinttab(_shape_tab, nelem(_shape_tab));
656 7e19561a 2005-01-04 devnull fscroll_tab = _cvtstringinttab(_fscroll_tab, nelem(_fscroll_tab));
657 7e19561a 2005-01-04 devnull clear_tab = _cvtstringinttab(_clear_tab, nelem(_clear_tab));
658 7e19561a 2005-01-04 devnull input_tab = _cvtstringinttab(_input_tab, nelem(_input_tab));
659 7e19561a 2005-01-04 devnull align_tab = _cvtstringinttab(_align_tab, nelem(_align_tab));
661 7cf289ca 2004-04-06 devnull fmtinstall('I', Iconv);
662 7cf289ca 2004-04-06 devnull targetmapinit();
663 7cf289ca 2004-04-06 devnull buildinited = 1;
666 7cf289ca 2004-04-06 devnull static ItemSource*
667 7cf289ca 2004-04-06 devnull newitemsource(Docinfo* di)
669 7cf289ca 2004-04-06 devnull ItemSource* is;
670 7cf289ca 2004-04-06 devnull Pstate* ps;
672 7cf289ca 2004-04-06 devnull ps = newpstate(nil);
673 7cf289ca 2004-04-06 devnull if(di->mediatype != TextHtml) {
674 7cf289ca 2004-04-06 devnull ps->curstate &= ~IFwrap;
675 7cf289ca 2004-04-06 devnull ps->literal = 1;
676 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntT);
678 7cf289ca 2004-04-06 devnull is = (ItemSource*)emalloc(sizeof(ItemSource));
679 7cf289ca 2004-04-06 devnull is->doc = di;
680 7cf289ca 2004-04-06 devnull is->psstk = ps;
681 7cf289ca 2004-04-06 devnull is->nforms = 0;
682 7cf289ca 2004-04-06 devnull is->ntables = 0;
683 7cf289ca 2004-04-06 devnull is->nanchors = 0;
684 7cf289ca 2004-04-06 devnull is->nframes = 0;
685 7cf289ca 2004-04-06 devnull is->curform = nil;
686 7cf289ca 2004-04-06 devnull is->curmap = nil;
687 7cf289ca 2004-04-06 devnull is->tabstk = nil;
688 7cf289ca 2004-04-06 devnull is->kidstk = nil;
689 7cf289ca 2004-04-06 devnull return is;
692 7cf289ca 2004-04-06 devnull static Item *getitems(ItemSource* is, uchar* data, int datalen);
694 7cf289ca 2004-04-06 devnull // Parse an html document and create a list of layout items.
695 7cf289ca 2004-04-06 devnull // Allocate and return document info in *pdi.
696 7cf289ca 2004-04-06 devnull // When caller is done with the items, it should call
697 7cf289ca 2004-04-06 devnull // freeitems on the returned result, and then
698 7cf289ca 2004-04-06 devnull // freedocinfo(*pdi).
700 7cf289ca 2004-04-06 devnull parsehtml(uchar* data, int datalen, Rune* pagesrc, int mtype, int chset, Docinfo** pdi)
702 7cf289ca 2004-04-06 devnull Item *it;
703 7cf289ca 2004-04-06 devnull Docinfo* di;
704 7cf289ca 2004-04-06 devnull ItemSource* is;
706 7cf289ca 2004-04-06 devnull di = newdocinfo();
707 7cf289ca 2004-04-06 devnull di->src = _Strdup(pagesrc);
708 7cf289ca 2004-04-06 devnull di->base = _Strdup(pagesrc);
709 7cf289ca 2004-04-06 devnull di->mediatype = mtype;
710 7cf289ca 2004-04-06 devnull di->chset = chset;
711 7cf289ca 2004-04-06 devnull *pdi = di;
712 7cf289ca 2004-04-06 devnull is = newitemsource(di);
713 7cf289ca 2004-04-06 devnull it = getitems(is, data, datalen);
714 7cf289ca 2004-04-06 devnull freepstatestack(is->psstk);
715 7cf289ca 2004-04-06 devnull free(is);
716 7cf289ca 2004-04-06 devnull return it;
719 7cf289ca 2004-04-06 devnull // Get a group of tokens for lexer, parse them, and create
720 7cf289ca 2004-04-06 devnull // a list of layout items.
721 7cf289ca 2004-04-06 devnull // When caller is done with the items, it should call
722 7cf289ca 2004-04-06 devnull // freeitems on the returned result.
723 7cf289ca 2004-04-06 devnull static Item*
724 7cf289ca 2004-04-06 devnull getitems(ItemSource* is, uchar* data, int datalen)
730 7cf289ca 2004-04-06 devnull int doscripts;
731 7cf289ca 2004-04-06 devnull int tokslen;
732 7cf289ca 2004-04-06 devnull int toki;
735 7cf289ca 2004-04-06 devnull int method;
737 7cf289ca 2004-04-06 devnull int nblank;
738 7cf289ca 2004-04-06 devnull int norsz;
739 7cf289ca 2004-04-06 devnull int bramt;
740 7cf289ca 2004-04-06 devnull int sty;
741 7cf289ca 2004-04-06 devnull int nosh;
742 7cf289ca 2004-04-06 devnull int oldcuranchor;
743 7cf289ca 2004-04-06 devnull int dfltbd;
745 7cf289ca 2004-04-06 devnull int hang;
746 7cf289ca 2004-04-06 devnull int isempty;
747 7cf289ca 2004-04-06 devnull int tag;
748 7cf289ca 2004-04-06 devnull int brksp;
749 7cf289ca 2004-04-06 devnull int target;
750 7cf289ca 2004-04-06 devnull uchar brk;
751 7cf289ca 2004-04-06 devnull uchar flags;
752 7cf289ca 2004-04-06 devnull uchar align;
753 7cf289ca 2004-04-06 devnull uchar al;
754 7cf289ca 2004-04-06 devnull uchar ty;
755 7cf289ca 2004-04-06 devnull uchar ty2;
756 7cf289ca 2004-04-06 devnull Pstate* ps;
757 7cf289ca 2004-04-06 devnull Pstate* nextps;
758 7cf289ca 2004-04-06 devnull Pstate* outerps;
759 7cf289ca 2004-04-06 devnull Table* curtab;
760 7cf289ca 2004-04-06 devnull Token* tok;
761 7cf289ca 2004-04-06 devnull Token* toks;
762 7cf289ca 2004-04-06 devnull Docinfo* di;
763 7cf289ca 2004-04-06 devnull Item* ans;
764 7cf289ca 2004-04-06 devnull Item* img;
765 7cf289ca 2004-04-06 devnull Item* ffit;
766 7cf289ca 2004-04-06 devnull Item* tabitem;
767 7cf289ca 2004-04-06 devnull Rune* s;
768 7cf289ca 2004-04-06 devnull Rune* t;
769 7cf289ca 2004-04-06 devnull Rune* name;
770 7cf289ca 2004-04-06 devnull Rune* enctype;
771 7cf289ca 2004-04-06 devnull Rune* usemap;
772 7cf289ca 2004-04-06 devnull Rune* prompt;
773 7cf289ca 2004-04-06 devnull Rune* equiv;
774 7cf289ca 2004-04-06 devnull Rune* val;
775 7cf289ca 2004-04-06 devnull Rune* nsz;
776 7cf289ca 2004-04-06 devnull Rune* script;
777 7cf289ca 2004-04-06 devnull Map* map;
778 7cf289ca 2004-04-06 devnull Form* frm;
779 7cf289ca 2004-04-06 devnull Iimage* ii;
780 7cf289ca 2004-04-06 devnull Kidinfo* kd;
781 7cf289ca 2004-04-06 devnull Kidinfo* ks;
782 7cf289ca 2004-04-06 devnull Kidinfo* pks;
783 7cf289ca 2004-04-06 devnull Dimen wd;
784 7cf289ca 2004-04-06 devnull Option* option;
785 7cf289ca 2004-04-06 devnull Table* tab;
786 7cf289ca 2004-04-06 devnull Tablecell* c;
787 7cf289ca 2004-04-06 devnull Tablerow* tr;
788 7cf289ca 2004-04-06 devnull Formfield* field;
789 7cf289ca 2004-04-06 devnull Formfield* ff;
790 7cf289ca 2004-04-06 devnull Rune* href;
791 7cf289ca 2004-04-06 devnull Rune* src;
792 7cf289ca 2004-04-06 devnull Rune* scriptsrc;
793 7cf289ca 2004-04-06 devnull Rune* bgurl;
794 7cf289ca 2004-04-06 devnull Rune* action;
795 7cf289ca 2004-04-06 devnull Background bg;
797 7cf289ca 2004-04-06 devnull if(!buildinited)
798 7cf289ca 2004-04-06 devnull buildinit();
799 7cf289ca 2004-04-06 devnull doscripts = 0; // for now
800 7cf289ca 2004-04-06 devnull ps = is->psstk;
801 7cf289ca 2004-04-06 devnull curtab = is->tabstk;
802 7cf289ca 2004-04-06 devnull di = is->doc;
803 7cf289ca 2004-04-06 devnull toks = _gettoks(data, datalen, di->chset, di->mediatype, &tokslen);
804 7cf289ca 2004-04-06 devnull toki = 0;
805 7cf289ca 2004-04-06 devnull for(; toki < tokslen; toki++) {
806 7cf289ca 2004-04-06 devnull tok = &toks[toki];
807 7cf289ca 2004-04-06 devnull if(dbgbuild > 1)
808 7cf289ca 2004-04-06 devnull fprint(2, "build: curstate %ux, token %T\n", ps->curstate, tok);
809 7cf289ca 2004-04-06 devnull tag = tok->tag;
810 7cf289ca 2004-04-06 devnull brk = 0;
811 7cf289ca 2004-04-06 devnull brksp = 0;
812 7cf289ca 2004-04-06 devnull if(tag < Numtags) {
813 7cf289ca 2004-04-06 devnull brk = blockbrk[tag];
814 7cf289ca 2004-04-06 devnull if(brk&SPBefore)
815 7cf289ca 2004-04-06 devnull brksp = 1;
817 7cf289ca 2004-04-06 devnull else if(tag < Numtags + RBRA) {
818 7cf289ca 2004-04-06 devnull brk = blockbrk[tag - RBRA];
819 7cf289ca 2004-04-06 devnull if(brk&SPAfter)
820 7cf289ca 2004-04-06 devnull brksp = 1;
822 7cf289ca 2004-04-06 devnull if(brk) {
823 7cf289ca 2004-04-06 devnull addbrk(ps, brksp, 0);
824 7cf289ca 2004-04-06 devnull if(ps->inpar) {
825 7cf289ca 2004-04-06 devnull popjust(ps);
826 7cf289ca 2004-04-06 devnull ps->inpar = 0;
829 7cf289ca 2004-04-06 devnull // check common case first (Data), then switch statement on tag
830 7cf289ca 2004-04-06 devnull if(tag == Data) {
831 7cf289ca 2004-04-06 devnull // Lexing didn't pay attention to SGML record boundary rules:
832 7cf289ca 2004-04-06 devnull // \n after start tag or before end tag to be discarded.
833 7cf289ca 2004-04-06 devnull // (Lex has already discarded all \r's).
834 7cf289ca 2004-04-06 devnull // Some pages assume this doesn't happen in <PRE> text,
835 7cf289ca 2004-04-06 devnull // so we won't do it if literal is true.
836 7cf289ca 2004-04-06 devnull // BUG: won't discard \n before a start tag that begins
837 7cf289ca 2004-04-06 devnull // the next bufferful of tokens.
838 7cf289ca 2004-04-06 devnull s = tok->text;
839 7cf289ca 2004-04-06 devnull n = _Strlen(s);
840 7cf289ca 2004-04-06 devnull if(!ps->literal) {
843 7cf289ca 2004-04-06 devnull if(toki > 0) {
844 7cf289ca 2004-04-06 devnull pt = toks[toki - 1].tag;
845 7cf289ca 2004-04-06 devnull // IE and Netscape both ignore this rule (contrary to spec)
846 7cf289ca 2004-04-06 devnull // if previous tag was img
847 7cf289ca 2004-04-06 devnull if(pt < Numtags && pt != Timg && j > 0 && s[0] == '\n')
850 7cf289ca 2004-04-06 devnull if(toki < tokslen - 1) {
851 7cf289ca 2004-04-06 devnull nt = toks[toki + 1].tag;
852 7cf289ca 2004-04-06 devnull if(nt >= RBRA && nt < Numtags + RBRA && j > i && s[j - 1] == '\n')
855 7cf289ca 2004-04-06 devnull if(i > 0 || j < n) {
857 7cf289ca 2004-04-06 devnull s = _Strsubstr(s, i, j);
858 7cf289ca 2004-04-06 devnull free(t);
859 7cf289ca 2004-04-06 devnull n = j-i;
862 7cf289ca 2004-04-06 devnull if(ps->skipwhite) {
863 7cf289ca 2004-04-06 devnull _trimwhite(s, n, &t, &nt);
864 7cf289ca 2004-04-06 devnull if(t == nil) {
865 7cf289ca 2004-04-06 devnull free(s);
866 7cf289ca 2004-04-06 devnull s = nil;
868 7cf289ca 2004-04-06 devnull else if(t != s) {
869 7cf289ca 2004-04-06 devnull t = _Strndup(t, nt);
870 7cf289ca 2004-04-06 devnull free(s);
873 7cf289ca 2004-04-06 devnull if(s != nil)
874 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
876 7cf289ca 2004-04-06 devnull tok->text = nil; // token doesn't own string anymore
877 7cf289ca 2004-04-06 devnull if(s != nil)
878 7cf289ca 2004-04-06 devnull addtext(ps, s);
881 7cf289ca 2004-04-06 devnull switch(tag) {
882 7cf289ca 2004-04-06 devnull // Some abbrevs used in following DTD comments
883 7cf289ca 2004-04-06 devnull // %text = #PCDATA
884 7cf289ca 2004-04-06 devnull // | TT | I | B | U | STRIKE | BIG | SMALL | SUB | SUP
885 7cf289ca 2004-04-06 devnull // | EM | STRONG | DFN | CODE | SAMP | KBD | VAR | CITE
886 7cf289ca 2004-04-06 devnull // | A | IMG | APPLET | FONT | BASEFONT | BR | SCRIPT | MAP
887 7cf289ca 2004-04-06 devnull // | INPUT | SELECT | TEXTAREA
888 7cf289ca 2004-04-06 devnull // %block = P | UL | OL | DIR | MENU | DL | PRE | DL | DIV | CENTER
889 7cf289ca 2004-04-06 devnull // | BLOCKQUOTE | FORM | ISINDEX | HR | TABLE
890 7cf289ca 2004-04-06 devnull // %flow = (%text | %block)*
891 7cf289ca 2004-04-06 devnull // %body.content = (%heading | %text | %block | ADDRESS)*
893 7cf289ca 2004-04-06 devnull // <!ELEMENT A - - (%text) -(A)>
894 7cf289ca 2004-04-06 devnull // Anchors are not supposed to be nested, but you sometimes see
895 7cf289ca 2004-04-06 devnull // href anchors inside destination anchors.
896 7cf289ca 2004-04-06 devnull case Ta:
897 7cf289ca 2004-04-06 devnull if(ps->curanchor != 0) {
898 7cf289ca 2004-04-06 devnull if(warn)
899 7cf289ca 2004-04-06 devnull fprint(2, "warning: nested <A> or missing </A>\n");
900 7cf289ca 2004-04-06 devnull ps->curanchor = 0;
902 7cf289ca 2004-04-06 devnull name = aval(tok, Aname);
903 7cf289ca 2004-04-06 devnull href = aurlval(tok, Ahref, nil, di->base);
904 7cf289ca 2004-04-06 devnull // ignore rel, rev, and title attrs
905 7cf289ca 2004-04-06 devnull if(href != nil) {
906 7cf289ca 2004-04-06 devnull target = atargval(tok, di->target);
907 7cf289ca 2004-04-06 devnull di->anchors = newanchor(++is->nanchors, name, href, target, di->anchors);
908 7cf289ca 2004-04-06 devnull if(name != nil)
909 7cf289ca 2004-04-06 devnull name = _Strdup(name); // for DestAnchor construction, below
910 7cf289ca 2004-04-06 devnull ps->curanchor = is->nanchors;
911 7cf289ca 2004-04-06 devnull ps->curfg = push(&ps->fgstk, di->link);
912 7cf289ca 2004-04-06 devnull ps->curul = push(&ps->ulstk, ULunder);
914 7cf289ca 2004-04-06 devnull if(name != nil) {
915 7cf289ca 2004-04-06 devnull // add a null item to be destination
916 7cf289ca 2004-04-06 devnull additem(ps, newispacer(ISPnull), tok);
917 7cf289ca 2004-04-06 devnull di->dests = newdestanchor(++is->nanchors, name, ps->lastit, di->dests);
921 7cf289ca 2004-04-06 devnull case Ta+RBRA :
922 7cf289ca 2004-04-06 devnull if(ps->curanchor != 0) {
923 7cf289ca 2004-04-06 devnull ps->curfg = popretnewtop(&ps->fgstk, di->text);
924 7cf289ca 2004-04-06 devnull ps->curul = popretnewtop(&ps->ulstk, ULnone);
925 7cf289ca 2004-04-06 devnull ps->curanchor = 0;
929 7cf289ca 2004-04-06 devnull // <!ELEMENT APPLET - - (PARAM | %text)* >
930 7cf289ca 2004-04-06 devnull // We can't do applets, so ignore PARAMS, and let
931 7cf289ca 2004-04-06 devnull // the %text contents appear for the alternative rep
932 7cf289ca 2004-04-06 devnull case Tapplet:
933 7cf289ca 2004-04-06 devnull case Tapplet+RBRA:
934 7cf289ca 2004-04-06 devnull if(warn && tag == Tapplet)
935 7cf289ca 2004-04-06 devnull fprint(2, "warning: <APPLET> ignored\n");
938 7cf289ca 2004-04-06 devnull // <!ELEMENT AREA - O EMPTY>
939 7cf289ca 2004-04-06 devnull case Tarea:
940 7cf289ca 2004-04-06 devnull map = di->maps;
941 7cf289ca 2004-04-06 devnull if(map == nil) {
942 7cf289ca 2004-04-06 devnull if(warn)
943 7cf289ca 2004-04-06 devnull fprint(2, "warning: <AREA> not inside <MAP>\n");
944 7cf289ca 2004-04-06 devnull continue;
946 7cf289ca 2004-04-06 devnull map->areas = newarea(atabval(tok, Ashape, shape_tab, NSHAPETAB, SHrect),
947 7cf289ca 2004-04-06 devnull aurlval(tok, Ahref, nil, di->base),
948 7cf289ca 2004-04-06 devnull atargval(tok, di->target),
949 7cf289ca 2004-04-06 devnull map->areas);
950 7cf289ca 2004-04-06 devnull setdimarray(tok, Acoords, &map->areas->coords, &map->areas->ncoords);
953 7cf289ca 2004-04-06 devnull // <!ELEMENT (B|STRONG) - - (%text)*>
954 7cf289ca 2004-04-06 devnull case Tb:
955 7cf289ca 2004-04-06 devnull case Tstrong:
956 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntB);
959 7cf289ca 2004-04-06 devnull case Tb+RBRA:
960 7cf289ca 2004-04-06 devnull case Tcite+RBRA:
961 7cf289ca 2004-04-06 devnull case Tcode+RBRA:
962 7cf289ca 2004-04-06 devnull case Tdfn+RBRA:
963 7cf289ca 2004-04-06 devnull case Tem+RBRA:
964 7cf289ca 2004-04-06 devnull case Tkbd+RBRA:
965 7cf289ca 2004-04-06 devnull case Ti+RBRA:
966 7cf289ca 2004-04-06 devnull case Tsamp+RBRA:
967 7cf289ca 2004-04-06 devnull case Tstrong+RBRA:
968 7cf289ca 2004-04-06 devnull case Ttt+RBRA:
969 7cf289ca 2004-04-06 devnull case Tvar+RBRA :
970 7cf289ca 2004-04-06 devnull case Taddress+RBRA:
971 7cf289ca 2004-04-06 devnull popfontstyle(ps);
974 7cf289ca 2004-04-06 devnull // <!ELEMENT BASE - O EMPTY>
975 7cf289ca 2004-04-06 devnull case Tbase:
976 7cf289ca 2004-04-06 devnull t = di->base;
977 7cf289ca 2004-04-06 devnull di->base = aurlval(tok, Ahref, di->base, di->base);
978 7cf289ca 2004-04-06 devnull if(t != nil)
979 7cf289ca 2004-04-06 devnull free(t);
980 7cf289ca 2004-04-06 devnull di->target = atargval(tok, di->target);
983 7cf289ca 2004-04-06 devnull // <!ELEMENT BASEFONT - O EMPTY>
984 7cf289ca 2004-04-06 devnull case Tbasefont:
985 7cf289ca 2004-04-06 devnull ps->adjsize = aintval(tok, Asize, 3) - 3;
988 7cf289ca 2004-04-06 devnull // <!ELEMENT (BIG|SMALL) - - (%text)*>
989 7cf289ca 2004-04-06 devnull case Tbig:
990 7cf289ca 2004-04-06 devnull case Tsmall:
991 7cf289ca 2004-04-06 devnull sz = ps->adjsize;
992 7cf289ca 2004-04-06 devnull if(tag == Tbig)
993 7cf289ca 2004-04-06 devnull sz += Large;
995 7cf289ca 2004-04-06 devnull sz += Small;
996 7cf289ca 2004-04-06 devnull pushfontsize(ps, sz);
999 7cf289ca 2004-04-06 devnull case Tbig+RBRA:
1000 7cf289ca 2004-04-06 devnull case Tsmall+RBRA:
1001 7cf289ca 2004-04-06 devnull popfontsize(ps);
1004 7cf289ca 2004-04-06 devnull // <!ELEMENT BLOCKQUOTE - - %body.content>
1005 7cf289ca 2004-04-06 devnull case Tblockquote:
1006 7cf289ca 2004-04-06 devnull changeindent(ps, BQTAB);
1009 7cf289ca 2004-04-06 devnull case Tblockquote+RBRA:
1010 7cf289ca 2004-04-06 devnull changeindent(ps, -BQTAB);
1013 7cf289ca 2004-04-06 devnull // <!ELEMENT BODY O O %body.content>
1014 7cf289ca 2004-04-06 devnull case Tbody:
1015 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1016 7cf289ca 2004-04-06 devnull bg = makebackground(nil, acolorval(tok, Abgcolor, di->background.color));
1017 7cf289ca 2004-04-06 devnull bgurl = aurlval(tok, Abackground, nil, di->base);
1018 7cf289ca 2004-04-06 devnull if(bgurl != nil) {
1019 7cf289ca 2004-04-06 devnull if(di->backgrounditem != nil)
1020 7cf289ca 2004-04-06 devnull freeitem((Item*)di->backgrounditem);
1021 7cf289ca 2004-04-06 devnull // really should remove old item from di->images list,
1022 7cf289ca 2004-04-06 devnull // but there should only be one BODY element ...
1023 7cf289ca 2004-04-06 devnull di->backgrounditem = (Iimage*)newiimage(bgurl, nil, ALnone, 0, 0, 0, 0, 0, 0, nil);
1024 7cf289ca 2004-04-06 devnull di->backgrounditem->nextimage = di->images;
1025 7cf289ca 2004-04-06 devnull di->images = di->backgrounditem;
1027 7cf289ca 2004-04-06 devnull ps->curbg = bg;
1028 7cf289ca 2004-04-06 devnull di->background = bg;
1029 7cf289ca 2004-04-06 devnull di->text = acolorval(tok, Atext, di->text);
1030 7cf289ca 2004-04-06 devnull di->link = acolorval(tok, Alink, di->link);
1031 7cf289ca 2004-04-06 devnull di->vlink = acolorval(tok, Avlink, di->vlink);
1032 7cf289ca 2004-04-06 devnull di->alink = acolorval(tok, Aalink, di->alink);
1033 7cf289ca 2004-04-06 devnull if(di->text != ps->curfg) {
1034 7cf289ca 2004-04-06 devnull ps->curfg = di->text;
1035 7cf289ca 2004-04-06 devnull ps->fgstk.n = 0;
1039 7cf289ca 2004-04-06 devnull case Tbody+RBRA:
1040 7cf289ca 2004-04-06 devnull // HTML spec says ignore things after </body>,
1041 7cf289ca 2004-04-06 devnull // but IE and Netscape don't
1042 7cf289ca 2004-04-06 devnull // ps.skipping = 1;
1045 7cf289ca 2004-04-06 devnull // <!ELEMENT BR - O EMPTY>
1046 7cf289ca 2004-04-06 devnull case Tbr:
1047 7cf289ca 2004-04-06 devnull addlinebrk(ps, atabval(tok, Aclear, clear_tab, NCLEARTAB, 0));
1050 7cf289ca 2004-04-06 devnull // <!ELEMENT CAPTION - - (%text;)*>
1051 7cf289ca 2004-04-06 devnull case Tcaption:
1052 7cf289ca 2004-04-06 devnull if(curtab == nil) {
1053 7cf289ca 2004-04-06 devnull if(warn)
1054 7cf289ca 2004-04-06 devnull fprint(2, "warning: <CAPTION> outside <TABLE>\n");
1055 7cf289ca 2004-04-06 devnull continue;
1057 7cf289ca 2004-04-06 devnull if(curtab->caption != nil) {
1058 7cf289ca 2004-04-06 devnull if(warn)
1059 7cf289ca 2004-04-06 devnull fprint(2, "warning: more than one <CAPTION> in <TABLE>\n");
1060 7cf289ca 2004-04-06 devnull continue;
1062 7cf289ca 2004-04-06 devnull ps = newpstate(ps);
1063 7cf289ca 2004-04-06 devnull curtab->caption_place = atabval(tok, Aalign, align_tab, NALIGNTAB, ALtop);
1066 7cf289ca 2004-04-06 devnull case Tcaption+RBRA:
1067 7cf289ca 2004-04-06 devnull nextps = ps->next;
1068 7cf289ca 2004-04-06 devnull if(curtab == nil || nextps == nil) {
1069 7cf289ca 2004-04-06 devnull if(warn)
1070 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </CAPTION>\n");
1071 7cf289ca 2004-04-06 devnull continue;
1073 7cf289ca 2004-04-06 devnull curtab->caption = ps->items->next;
1074 7cf289ca 2004-04-06 devnull free(ps);
1075 7cf289ca 2004-04-06 devnull ps = nextps;
1078 7cf289ca 2004-04-06 devnull case Tcenter:
1079 7cf289ca 2004-04-06 devnull case Tdiv:
1080 7cf289ca 2004-04-06 devnull if(tag == Tcenter)
1081 7cf289ca 2004-04-06 devnull al = ALcenter;
1083 7cf289ca 2004-04-06 devnull al = atabval(tok, Aalign, align_tab, NALIGNTAB, ps->curjust);
1084 7cf289ca 2004-04-06 devnull pushjust(ps, al);
1087 7cf289ca 2004-04-06 devnull case Tcenter+RBRA:
1088 7cf289ca 2004-04-06 devnull case Tdiv+RBRA:
1089 7cf289ca 2004-04-06 devnull popjust(ps);
1092 7cf289ca 2004-04-06 devnull // <!ELEMENT DD - O %flow >
1093 7cf289ca 2004-04-06 devnull case Tdd:
1094 7cf289ca 2004-04-06 devnull if(ps->hangstk.n == 0) {
1095 7cf289ca 2004-04-06 devnull if(warn)
1096 7cf289ca 2004-04-06 devnull fprint(2, "warning: <DD> not inside <DL\n");
1097 7cf289ca 2004-04-06 devnull continue;
1099 7cf289ca 2004-04-06 devnull h = top(&ps->hangstk, 0);
1100 7cf289ca 2004-04-06 devnull if(h != 0)
1101 7cf289ca 2004-04-06 devnull changehang(ps, -10*LISTTAB);
1103 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1104 7cf289ca 2004-04-06 devnull push(&ps->hangstk, 0);
1107 7cf289ca 2004-04-06 devnull //<!ELEMENT (DIR|MENU) - - (LI)+ -(%block) >
1108 7cf289ca 2004-04-06 devnull //<!ELEMENT (OL|UL) - - (LI)+>
1109 7cf289ca 2004-04-06 devnull case Tdir:
1110 7cf289ca 2004-04-06 devnull case Tmenu:
1111 7cf289ca 2004-04-06 devnull case Tol:
1112 7cf289ca 2004-04-06 devnull case Tul:
1113 7cf289ca 2004-04-06 devnull changeindent(ps, LISTTAB);
1114 7cf289ca 2004-04-06 devnull push(&ps->listtypestk, listtyval(tok, (tag==Tol)? LT1 : LTdisc));
1115 7cf289ca 2004-04-06 devnull push(&ps->listcntstk, aintval(tok, Astart, 1));
1118 7cf289ca 2004-04-06 devnull case Tdir+RBRA:
1119 7cf289ca 2004-04-06 devnull case Tmenu+RBRA:
1120 7cf289ca 2004-04-06 devnull case Tol+RBRA:
1121 7cf289ca 2004-04-06 devnull case Tul+RBRA:
1122 7cf289ca 2004-04-06 devnull if(ps->listtypestk.n == 0) {
1123 7cf289ca 2004-04-06 devnull if(warn)
1124 7cf289ca 2004-04-06 devnull fprint(2, "warning: %T ended no list\n", tok);
1125 7cf289ca 2004-04-06 devnull continue;
1127 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1128 7cf289ca 2004-04-06 devnull pop(&ps->listtypestk);
1129 7cf289ca 2004-04-06 devnull pop(&ps->listcntstk);
1130 7cf289ca 2004-04-06 devnull changeindent(ps, -LISTTAB);
1133 7cf289ca 2004-04-06 devnull // <!ELEMENT DL - - (DT|DD)+ >
1134 7cf289ca 2004-04-06 devnull case Tdl:
1135 7cf289ca 2004-04-06 devnull changeindent(ps, LISTTAB);
1136 7cf289ca 2004-04-06 devnull push(&ps->hangstk, 0);
1139 7cf289ca 2004-04-06 devnull case Tdl+RBRA:
1140 7cf289ca 2004-04-06 devnull if(ps->hangstk.n == 0) {
1141 7cf289ca 2004-04-06 devnull if(warn)
1142 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </DL>\n");
1143 7cf289ca 2004-04-06 devnull continue;
1145 7cf289ca 2004-04-06 devnull changeindent(ps, -LISTTAB);
1146 7cf289ca 2004-04-06 devnull if(top(&ps->hangstk, 0) != 0)
1147 7cf289ca 2004-04-06 devnull changehang(ps, -10*LISTTAB);
1148 7cf289ca 2004-04-06 devnull pop(&ps->hangstk);
1151 7cf289ca 2004-04-06 devnull // <!ELEMENT DT - O (%text)* >
1152 7cf289ca 2004-04-06 devnull case Tdt:
1153 7cf289ca 2004-04-06 devnull if(ps->hangstk.n == 0) {
1154 7cf289ca 2004-04-06 devnull if(warn)
1155 7cf289ca 2004-04-06 devnull fprint(2, "warning: <DT> not inside <DL>\n");
1156 7cf289ca 2004-04-06 devnull continue;
1158 7cf289ca 2004-04-06 devnull h = top(&ps->hangstk, 0);
1159 7cf289ca 2004-04-06 devnull pop(&ps->hangstk);
1160 7cf289ca 2004-04-06 devnull if(h != 0)
1161 7cf289ca 2004-04-06 devnull changehang(ps, -10*LISTTAB);
1162 7cf289ca 2004-04-06 devnull changehang(ps, 10*LISTTAB);
1163 7cf289ca 2004-04-06 devnull push(&ps->hangstk, 1);
1166 7cf289ca 2004-04-06 devnull // <!ELEMENT FONT - - (%text)*>
1167 7cf289ca 2004-04-06 devnull case Tfont:
1168 7cf289ca 2004-04-06 devnull sz = top(&ps->fntsizestk, Normal);
1169 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Asize, &nsz, 0)) {
1170 7cf289ca 2004-04-06 devnull if(_prefix(L(Lplus), nsz))
1171 7cf289ca 2004-04-06 devnull sz = Normal + _Strtol(nsz+1, nil, 10) + ps->adjsize;
1172 7cf289ca 2004-04-06 devnull else if(_prefix(L(Lminus), nsz))
1173 7cf289ca 2004-04-06 devnull sz = Normal - _Strtol(nsz+1, nil, 10) + ps->adjsize;
1174 7cf289ca 2004-04-06 devnull else if(nsz != nil)
1175 7cf289ca 2004-04-06 devnull sz = Normal + (_Strtol(nsz, nil, 10) - 3);
1177 7cf289ca 2004-04-06 devnull ps->curfg = push(&ps->fgstk, acolorval(tok, Acolor, ps->curfg));
1178 7cf289ca 2004-04-06 devnull pushfontsize(ps, sz);
1181 7cf289ca 2004-04-06 devnull case Tfont+RBRA:
1182 7cf289ca 2004-04-06 devnull if(ps->fgstk.n == 0) {
1183 7cf289ca 2004-04-06 devnull if(warn)
1184 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </FONT>\n");
1185 7cf289ca 2004-04-06 devnull continue;
1187 7cf289ca 2004-04-06 devnull ps->curfg = popretnewtop(&ps->fgstk, di->text);
1188 7cf289ca 2004-04-06 devnull popfontsize(ps);
1191 7cf289ca 2004-04-06 devnull // <!ELEMENT FORM - - %body.content -(FORM) >
1192 7cf289ca 2004-04-06 devnull case Tform:
1193 7cf289ca 2004-04-06 devnull if(is->curform != nil) {
1194 7cf289ca 2004-04-06 devnull if(warn)
1195 7cf289ca 2004-04-06 devnull fprint(2, "warning: <FORM> nested inside another\n");
1196 7cf289ca 2004-04-06 devnull continue;
1198 7cf289ca 2004-04-06 devnull action = aurlval(tok, Aaction, di->base, di->base);
1199 7cf289ca 2004-04-06 devnull s = aval(tok, Aid);
1200 7cf289ca 2004-04-06 devnull name = astrval(tok, Aname, s);
1202 7cf289ca 2004-04-06 devnull free(s);
1203 7cf289ca 2004-04-06 devnull target = atargval(tok, di->target);
1204 7cf289ca 2004-04-06 devnull method = atabval(tok, Amethod, method_tab, NMETHODTAB, HGet);
1205 7cf289ca 2004-04-06 devnull if(warn && _tokaval(tok, Aenctype, &enctype, 0) &&
1206 7cf289ca 2004-04-06 devnull _Strcmp(enctype, L(Lappl_form)))
1207 7cf289ca 2004-04-06 devnull fprint(2, "form enctype %S not handled\n", enctype);
1208 7cf289ca 2004-04-06 devnull frm = newform(++is->nforms, name, action, target, method, di->forms);
1209 7cf289ca 2004-04-06 devnull di->forms = frm;
1210 7cf289ca 2004-04-06 devnull is->curform = frm;
1213 7cf289ca 2004-04-06 devnull case Tform+RBRA:
1214 7cf289ca 2004-04-06 devnull if(is->curform == nil) {
1215 7cf289ca 2004-04-06 devnull if(warn)
1216 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </FORM>\n");
1217 7cf289ca 2004-04-06 devnull continue;
1219 7cf289ca 2004-04-06 devnull // put fields back in input order
1220 7cf289ca 2004-04-06 devnull is->curform->fields = (Formfield*)_revlist((List*)is->curform->fields);
1221 7cf289ca 2004-04-06 devnull is->curform = nil;
1224 7cf289ca 2004-04-06 devnull // <!ELEMENT FRAME - O EMPTY>
1225 7cf289ca 2004-04-06 devnull case Tframe:
1226 7cf289ca 2004-04-06 devnull ks = is->kidstk;
1227 7cf289ca 2004-04-06 devnull if(ks == nil) {
1228 7cf289ca 2004-04-06 devnull if(warn)
1229 7cf289ca 2004-04-06 devnull fprint(2, "warning: <FRAME> not in <FRAMESET>\n");
1230 7cf289ca 2004-04-06 devnull continue;
1232 7cf289ca 2004-04-06 devnull ks->kidinfos = kd = newkidinfo(0, ks->kidinfos);
1233 7cf289ca 2004-04-06 devnull kd->src = aurlval(tok, Asrc, nil, di->base);
1234 7cf289ca 2004-04-06 devnull kd->name = aval(tok, Aname);
1235 7cf289ca 2004-04-06 devnull if(kd->name == nil) {
1236 7cf289ca 2004-04-06 devnull s = _ltoStr(++is->nframes);
1237 7cf289ca 2004-04-06 devnull kd->name = _Strdup2(L(Lfr), s);
1238 7cf289ca 2004-04-06 devnull free(s);
1240 7cf289ca 2004-04-06 devnull kd->marginw = auintval(tok, Amarginwidth, 0);
1241 7cf289ca 2004-04-06 devnull kd->marginh = auintval(tok, Amarginheight, 0);
1242 7cf289ca 2004-04-06 devnull kd->framebd = auintval(tok, Aframeborder, 1);
1243 7cf289ca 2004-04-06 devnull kd->flags = atabval(tok, Ascrolling, fscroll_tab, NFSCROLLTAB, kd->flags);
1244 7cf289ca 2004-04-06 devnull norsz = aflagval(tok, Anoresize);
1245 7cf289ca 2004-04-06 devnull if(norsz)
1246 7cf289ca 2004-04-06 devnull kd->flags |= FRnoresize;
1249 7cf289ca 2004-04-06 devnull // <!ELEMENT FRAMESET - - (FRAME|FRAMESET)+>
1250 7cf289ca 2004-04-06 devnull case Tframeset:
1251 7cf289ca 2004-04-06 devnull ks = newkidinfo(1, nil);
1252 7cf289ca 2004-04-06 devnull pks = is->kidstk;
1253 7cf289ca 2004-04-06 devnull if(pks == nil)
1254 7cf289ca 2004-04-06 devnull di->kidinfo = ks;
1256 7cf289ca 2004-04-06 devnull ks->next = pks->kidinfos;
1257 7cf289ca 2004-04-06 devnull pks->kidinfos = ks;
1259 7cf289ca 2004-04-06 devnull ks->nextframeset = pks;
1260 7cf289ca 2004-04-06 devnull is->kidstk = ks;
1261 7cf289ca 2004-04-06 devnull setdimarray(tok, Arows, &ks->rows, &ks->nrows);
1262 7cf289ca 2004-04-06 devnull if(ks->nrows == 0) {
1263 7cf289ca 2004-04-06 devnull ks->rows = (Dimen*)emalloc(sizeof(Dimen));
1264 7cf289ca 2004-04-06 devnull ks->nrows = 1;
1265 7cf289ca 2004-04-06 devnull ks->rows[0] = makedimen(Dpercent, 100);
1267 7cf289ca 2004-04-06 devnull setdimarray(tok, Acols, &ks->cols, &ks->ncols);
1268 7cf289ca 2004-04-06 devnull if(ks->ncols == 0) {
1269 7cf289ca 2004-04-06 devnull ks->cols = (Dimen*)emalloc(sizeof(Dimen));
1270 7cf289ca 2004-04-06 devnull ks->ncols = 1;
1271 7cf289ca 2004-04-06 devnull ks->cols[0] = makedimen(Dpercent, 100);
1275 7cf289ca 2004-04-06 devnull case Tframeset+RBRA:
1276 7cf289ca 2004-04-06 devnull if(is->kidstk == nil) {
1277 7cf289ca 2004-04-06 devnull if(warn)
1278 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </FRAMESET>\n");
1279 7cf289ca 2004-04-06 devnull continue;
1281 7cf289ca 2004-04-06 devnull ks = is->kidstk;
1282 7cf289ca 2004-04-06 devnull // put kids back in original order
1283 7cf289ca 2004-04-06 devnull // and add blank frames to fill out cells
1284 7cf289ca 2004-04-06 devnull n = ks->nrows*ks->ncols;
1285 7cf289ca 2004-04-06 devnull nblank = n - _listlen((List*)ks->kidinfos);
1286 7cf289ca 2004-04-06 devnull while(nblank-- > 0)
1287 7cf289ca 2004-04-06 devnull ks->kidinfos = newkidinfo(0, ks->kidinfos);
1288 7cf289ca 2004-04-06 devnull ks->kidinfos = (Kidinfo*)_revlist((List*)ks->kidinfos);
1289 7cf289ca 2004-04-06 devnull is->kidstk = is->kidstk->nextframeset;
1290 7cf289ca 2004-04-06 devnull if(is->kidstk == nil) {
1291 7cf289ca 2004-04-06 devnull // end input
1292 7cf289ca 2004-04-06 devnull ans = nil;
1293 7cf289ca 2004-04-06 devnull goto return_ans;
1297 7cf289ca 2004-04-06 devnull // <!ELEMENT H1 - - (%text;)*>, etc.
1298 7cf289ca 2004-04-06 devnull case Th1:
1299 7cf289ca 2004-04-06 devnull case Th2:
1300 7cf289ca 2004-04-06 devnull case Th3:
1301 7cf289ca 2004-04-06 devnull case Th4:
1302 7cf289ca 2004-04-06 devnull case Th5:
1303 7cf289ca 2004-04-06 devnull case Th6:
1304 7cf289ca 2004-04-06 devnull bramt = 1;
1305 7cf289ca 2004-04-06 devnull if(ps->items == ps->lastit)
1306 7cf289ca 2004-04-06 devnull bramt = 0;
1307 7cf289ca 2004-04-06 devnull addbrk(ps, bramt, IFcleft|IFcright);
1308 7cf289ca 2004-04-06 devnull sz = Verylarge - (tag - Th1);
1309 7cf289ca 2004-04-06 devnull if(sz < Tiny)
1310 7cf289ca 2004-04-06 devnull sz = Tiny;
1311 7cf289ca 2004-04-06 devnull pushfontsize(ps, sz);
1312 7cf289ca 2004-04-06 devnull sty = top(&ps->fntstylestk, FntR);
1313 7cf289ca 2004-04-06 devnull if(tag == Th1)
1314 7cf289ca 2004-04-06 devnull sty = FntB;
1315 7cf289ca 2004-04-06 devnull pushfontstyle(ps, sty);
1316 7cf289ca 2004-04-06 devnull pushjust(ps, atabval(tok, Aalign, align_tab, NALIGNTAB, ps->curjust));
1317 7cf289ca 2004-04-06 devnull ps->skipwhite = 1;
1320 7cf289ca 2004-04-06 devnull case Th1+RBRA:
1321 7cf289ca 2004-04-06 devnull case Th2+RBRA:
1322 7cf289ca 2004-04-06 devnull case Th3+RBRA:
1323 7cf289ca 2004-04-06 devnull case Th4+RBRA:
1324 7cf289ca 2004-04-06 devnull case Th5+RBRA:
1325 7cf289ca 2004-04-06 devnull case Th6+RBRA:
1326 7cf289ca 2004-04-06 devnull addbrk(ps, 1, IFcleft|IFcright);
1327 7cf289ca 2004-04-06 devnull popfontsize(ps);
1328 7cf289ca 2004-04-06 devnull popfontstyle(ps);
1329 7cf289ca 2004-04-06 devnull popjust(ps);
1332 7cf289ca 2004-04-06 devnull case Thead:
1333 7cf289ca 2004-04-06 devnull // HTML spec says ignore regular markup in head,
1334 7cf289ca 2004-04-06 devnull // but Netscape and IE don't
1335 7cf289ca 2004-04-06 devnull // ps.skipping = 1;
1338 7cf289ca 2004-04-06 devnull case Thead+RBRA:
1339 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1342 7cf289ca 2004-04-06 devnull // <!ELEMENT HR - O EMPTY>
1343 7cf289ca 2004-04-06 devnull case Thr:
1344 7cf289ca 2004-04-06 devnull al = atabval(tok, Aalign, align_tab, NALIGNTAB, ALcenter);
1345 7cf289ca 2004-04-06 devnull sz = auintval(tok, Asize, HRSZ);
1346 7cf289ca 2004-04-06 devnull wd = adimen(tok, Awidth);
1347 7cf289ca 2004-04-06 devnull if(dimenkind(wd) == Dnone)
1348 7cf289ca 2004-04-06 devnull wd = makedimen(Dpercent, 100);
1349 7cf289ca 2004-04-06 devnull nosh = aflagval(tok, Anoshade);
1350 7cf289ca 2004-04-06 devnull additem(ps, newirule(al, sz, nosh, wd), tok);
1351 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1354 7cf289ca 2004-04-06 devnull case Ti:
1355 7cf289ca 2004-04-06 devnull case Tcite:
1356 7cf289ca 2004-04-06 devnull case Tdfn:
1357 7cf289ca 2004-04-06 devnull case Tem:
1358 7cf289ca 2004-04-06 devnull case Tvar:
1359 7cf289ca 2004-04-06 devnull case Taddress:
1360 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntI);
1363 7cf289ca 2004-04-06 devnull // <!ELEMENT IMG - O EMPTY>
1364 7cf289ca 2004-04-06 devnull case Timg:
1365 7cf289ca 2004-04-06 devnull map = nil;
1366 7cf289ca 2004-04-06 devnull oldcuranchor = ps->curanchor;
1367 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Ausemap, &usemap, 0)) {
1368 7cf289ca 2004-04-06 devnull if(!_prefix(L(Lhash), usemap)) {
1369 7cf289ca 2004-04-06 devnull if(warn)
1370 7cf289ca 2004-04-06 devnull fprint(2, "warning: can't handle non-local map %S\n", usemap);
1373 7cf289ca 2004-04-06 devnull map = getmap(di, usemap+1);
1374 7cf289ca 2004-04-06 devnull if(ps->curanchor == 0) {
1375 7cf289ca 2004-04-06 devnull di->anchors = newanchor(++is->nanchors, nil, nil, di->target, di->anchors);
1376 7cf289ca 2004-04-06 devnull ps->curanchor = is->nanchors;
1380 7cf289ca 2004-04-06 devnull align = atabval(tok, Aalign, align_tab, NALIGNTAB, ALbottom);
1381 7cf289ca 2004-04-06 devnull dfltbd = 0;
1382 7cf289ca 2004-04-06 devnull if(ps->curanchor != 0)
1383 7cf289ca 2004-04-06 devnull dfltbd = 2;
1384 7cf289ca 2004-04-06 devnull src = aurlval(tok, Asrc, nil, di->base);
1385 7cf289ca 2004-04-06 devnull if(src == nil) {
1386 7cf289ca 2004-04-06 devnull if(warn)
1387 7cf289ca 2004-04-06 devnull fprint(2, "warning: <img> has no src attribute\n");
1388 7cf289ca 2004-04-06 devnull ps->curanchor = oldcuranchor;
1389 7cf289ca 2004-04-06 devnull continue;
1391 7cf289ca 2004-04-06 devnull img = newiimage(src,
1392 7cf289ca 2004-04-06 devnull aval(tok, Aalt),
1394 7cf289ca 2004-04-06 devnull auintval(tok, Awidth, 0),
1395 7cf289ca 2004-04-06 devnull auintval(tok, Aheight, 0),
1396 7cf289ca 2004-04-06 devnull auintval(tok, Ahspace, IMGHSPACE),
1397 7cf289ca 2004-04-06 devnull auintval(tok, Avspace, IMGVSPACE),
1398 7cf289ca 2004-04-06 devnull auintval(tok, Aborder, dfltbd),
1399 7cf289ca 2004-04-06 devnull aflagval(tok, Aismap),
1401 7cf289ca 2004-04-06 devnull if(align == ALleft || align == ALright) {
1402 7cf289ca 2004-04-06 devnull additem(ps, newifloat(img, align), tok);
1403 7cf289ca 2004-04-06 devnull // if no hspace specified, use FLTIMGHSPACE
1404 7cf289ca 2004-04-06 devnull if(!_tokaval(tok, Ahspace, &val, 0))
1405 7cf289ca 2004-04-06 devnull ((Iimage*)img)->hspace = FLTIMGHSPACE;
1408 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1409 7cf289ca 2004-04-06 devnull additem(ps, img, tok);
1411 7cf289ca 2004-04-06 devnull if(!ps->skipping) {
1412 7cf289ca 2004-04-06 devnull ((Iimage*)img)->nextimage = di->images;
1413 7cf289ca 2004-04-06 devnull di->images = (Iimage*)img;
1415 7cf289ca 2004-04-06 devnull ps->curanchor = oldcuranchor;
1418 7cf289ca 2004-04-06 devnull // <!ELEMENT INPUT - O EMPTY>
1419 7cf289ca 2004-04-06 devnull case Tinput:
1420 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1421 7cf289ca 2004-04-06 devnull if(is->curform == nil) {
1422 7cf289ca 2004-04-06 devnull if(warn)
1423 7cf289ca 2004-04-06 devnull fprint(2, "<INPUT> not inside <FORM>\n");
1424 7cf289ca 2004-04-06 devnull continue;
1426 7cf289ca 2004-04-06 devnull is->curform->fields = field = newformfield(
1427 7cf289ca 2004-04-06 devnull atabval(tok, Atype, input_tab, NINPUTTAB, Ftext),
1428 7cf289ca 2004-04-06 devnull ++is->curform->nfields,
1429 7cf289ca 2004-04-06 devnull is->curform,
1430 7cf289ca 2004-04-06 devnull aval(tok, Aname),
1431 7cf289ca 2004-04-06 devnull aval(tok, Avalue),
1432 7cf289ca 2004-04-06 devnull auintval(tok, Asize, 0),
1433 7cf289ca 2004-04-06 devnull auintval(tok, Amaxlength, 1000),
1434 7cf289ca 2004-04-06 devnull is->curform->fields);
1435 7cf289ca 2004-04-06 devnull if(aflagval(tok, Achecked))
1436 7cf289ca 2004-04-06 devnull field->flags = FFchecked;
1438 7cf289ca 2004-04-06 devnull switch(field->ftype) {
1439 7cf289ca 2004-04-06 devnull case Ftext:
1440 7cf289ca 2004-04-06 devnull case Fpassword:
1441 7cf289ca 2004-04-06 devnull case Ffile:
1442 7cf289ca 2004-04-06 devnull if(field->size == 0)
1443 7cf289ca 2004-04-06 devnull field->size = 20;
1446 7cf289ca 2004-04-06 devnull case Fcheckbox:
1447 7cf289ca 2004-04-06 devnull if(field->name == nil) {
1448 7cf289ca 2004-04-06 devnull if(warn)
1449 7cf289ca 2004-04-06 devnull fprint(2, "warning: checkbox form field missing name\n");
1450 7cf289ca 2004-04-06 devnull continue;
1452 7cf289ca 2004-04-06 devnull if(field->value == nil)
1453 7cf289ca 2004-04-06 devnull field->value = _Strdup(L(Lone));
1456 7cf289ca 2004-04-06 devnull case Fradio:
1457 7cf289ca 2004-04-06 devnull if(field->name == nil || field->value == nil) {
1458 7cf289ca 2004-04-06 devnull if(warn)
1459 7cf289ca 2004-04-06 devnull fprint(2, "warning: radio form field missing name or value\n");
1460 7cf289ca 2004-04-06 devnull continue;
1464 7cf289ca 2004-04-06 devnull case Fsubmit:
1465 7cf289ca 2004-04-06 devnull if(field->value == nil)
1466 7cf289ca 2004-04-06 devnull field->value = _Strdup(L(Lsubmit));
1467 7cf289ca 2004-04-06 devnull if(field->name == nil)
1468 7cf289ca 2004-04-06 devnull field->name = _Strdup(L(Lnoname));
1471 7cf289ca 2004-04-06 devnull case Fimage:
1472 7cf289ca 2004-04-06 devnull src = aurlval(tok, Asrc, nil, di->base);
1473 7cf289ca 2004-04-06 devnull if(src == nil) {
1474 7cf289ca 2004-04-06 devnull if(warn)
1475 7cf289ca 2004-04-06 devnull fprint(2, "warning: image form field missing src\n");
1476 7cf289ca 2004-04-06 devnull continue;
1478 7cf289ca 2004-04-06 devnull // width and height attrs aren't specified in HTML 3.2,
1479 7cf289ca 2004-04-06 devnull // but some people provide them and they help avoid
1480 7cf289ca 2004-04-06 devnull // a relayout
1481 7cf289ca 2004-04-06 devnull field->image = newiimage(src,
1482 7cf289ca 2004-04-06 devnull astrval(tok, Aalt, L(Lsubmit)),
1483 7cf289ca 2004-04-06 devnull atabval(tok, Aalign, align_tab, NALIGNTAB, ALbottom),
1484 7cf289ca 2004-04-06 devnull auintval(tok, Awidth, 0), auintval(tok, Aheight, 0),
1485 7cf289ca 2004-04-06 devnull 0, 0, 0, 0, nil);
1486 7cf289ca 2004-04-06 devnull ii = (Iimage*)field->image;
1487 7cf289ca 2004-04-06 devnull ii->nextimage = di->images;
1488 7cf289ca 2004-04-06 devnull di->images = ii;
1491 7cf289ca 2004-04-06 devnull case Freset:
1492 7cf289ca 2004-04-06 devnull if(field->value == nil)
1493 7cf289ca 2004-04-06 devnull field->value = _Strdup(L(Lreset));
1496 7cf289ca 2004-04-06 devnull case Fbutton:
1497 7cf289ca 2004-04-06 devnull if(field->value == nil)
1498 7cf289ca 2004-04-06 devnull field->value = _Strdup(L(Lspace));
1501 7cf289ca 2004-04-06 devnull ffit = newiformfield(field);
1502 7cf289ca 2004-04-06 devnull additem(ps, ffit, tok);
1503 7cf289ca 2004-04-06 devnull if(ffit->genattr != nil)
1504 7cf289ca 2004-04-06 devnull field->events = ffit->genattr->events;
1507 7cf289ca 2004-04-06 devnull // <!ENTITY ISINDEX - O EMPTY>
1508 7cf289ca 2004-04-06 devnull case Tisindex:
1509 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1510 7cf289ca 2004-04-06 devnull prompt = astrval(tok, Aprompt, L(Lindex));
1511 7cf289ca 2004-04-06 devnull target = atargval(tok, di->target);
1512 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, prompt), tok);
1513 7cf289ca 2004-04-06 devnull frm = newform(++is->nforms,
1515 7cf289ca 2004-04-06 devnull di->base,
1516 7cf289ca 2004-04-06 devnull target,
1518 7cf289ca 2004-04-06 devnull di->forms);
1519 7cf289ca 2004-04-06 devnull di->forms = frm;
1520 7cf289ca 2004-04-06 devnull ff = newformfield(Ftext,
1523 7cf289ca 2004-04-06 devnull _Strdup(L(Lisindex)),
1528 7cf289ca 2004-04-06 devnull frm->fields = ff;
1529 7cf289ca 2004-04-06 devnull frm->nfields = 1;
1530 7cf289ca 2004-04-06 devnull additem(ps, newiformfield(ff), tok);
1531 7cf289ca 2004-04-06 devnull addbrk(ps, 1, 0);
1534 7cf289ca 2004-04-06 devnull // <!ELEMENT LI - O %flow>
1535 7cf289ca 2004-04-06 devnull case Tli:
1536 7cf289ca 2004-04-06 devnull if(ps->listtypestk.n == 0) {
1537 7cf289ca 2004-04-06 devnull if(warn)
1538 7cf289ca 2004-04-06 devnull fprint(2, "<LI> not in list\n");
1539 7cf289ca 2004-04-06 devnull continue;
1541 7cf289ca 2004-04-06 devnull ty = top(&ps->listtypestk, 0);
1542 7cf289ca 2004-04-06 devnull ty2 = listtyval(tok, ty);
1543 7cf289ca 2004-04-06 devnull if(ty != ty2) {
1544 7cf289ca 2004-04-06 devnull ty = ty2;
1545 7cf289ca 2004-04-06 devnull push(&ps->listtypestk, ty2);
1547 7cf289ca 2004-04-06 devnull v = aintval(tok, Avalue, top(&ps->listcntstk, 1));
1548 7cf289ca 2004-04-06 devnull if(ty == LTdisc || ty == LTsquare || ty == LTcircle)
1549 7cf289ca 2004-04-06 devnull hang = 10*LISTTAB - 3;
1551 7cf289ca 2004-04-06 devnull hang = 10*LISTTAB - 1;
1552 7cf289ca 2004-04-06 devnull changehang(ps, hang);
1553 7cf289ca 2004-04-06 devnull addtext(ps, listmark(ty, v));
1554 7cf289ca 2004-04-06 devnull push(&ps->listcntstk, v + 1);
1555 7cf289ca 2004-04-06 devnull changehang(ps, -hang);
1556 7cf289ca 2004-04-06 devnull ps->skipwhite = 1;
1559 7cf289ca 2004-04-06 devnull // <!ELEMENT MAP - - (AREA)+>
1560 7cf289ca 2004-04-06 devnull case Tmap:
1561 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Aname, &name, 0))
1562 7cf289ca 2004-04-06 devnull is->curmap = getmap(di, name);
1565 7cf289ca 2004-04-06 devnull case Tmap+RBRA:
1566 7cf289ca 2004-04-06 devnull map = is->curmap;
1567 7cf289ca 2004-04-06 devnull if(map == nil) {
1568 7cf289ca 2004-04-06 devnull if(warn)
1569 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </MAP>\n");
1570 7cf289ca 2004-04-06 devnull continue;
1572 7cf289ca 2004-04-06 devnull map->areas = (Area*)_revlist((List*)map->areas);
1575 7cf289ca 2004-04-06 devnull case Tmeta:
1576 7cf289ca 2004-04-06 devnull if(ps->skipping)
1577 7cf289ca 2004-04-06 devnull continue;
1578 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Ahttp_equiv, &equiv, 0)) {
1579 7cf289ca 2004-04-06 devnull val = aval(tok, Acontent);
1580 7cf289ca 2004-04-06 devnull n = _Strlen(equiv);
1581 7cf289ca 2004-04-06 devnull if(!_Strncmpci(equiv, n, L(Lrefresh)))
1582 7cf289ca 2004-04-06 devnull di->refresh = val;
1583 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(equiv, n, L(Lcontent))) {
1584 7cf289ca 2004-04-06 devnull n = _Strlen(val);
1585 7cf289ca 2004-04-06 devnull if(!_Strncmpci(val, n, L(Ljavascript))
1586 7cf289ca 2004-04-06 devnull || !_Strncmpci(val, n, L(Ljscript1))
1587 7cf289ca 2004-04-06 devnull || !_Strncmpci(val, n, L(Ljscript)))
1588 7cf289ca 2004-04-06 devnull di->scripttype = TextJavascript;
1590 7cf289ca 2004-04-06 devnull if(warn)
1591 7cf289ca 2004-04-06 devnull fprint(2, "unimplemented script type %S\n", val);
1592 7cf289ca 2004-04-06 devnull di->scripttype = UnknownType;
1598 7cf289ca 2004-04-06 devnull // Nobr is NOT in HMTL 4.0, but it is ubiquitous on the web
1599 7cf289ca 2004-04-06 devnull case Tnobr:
1600 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1601 7cf289ca 2004-04-06 devnull ps->curstate &= ~IFwrap;
1604 7cf289ca 2004-04-06 devnull case Tnobr+RBRA:
1605 7cf289ca 2004-04-06 devnull ps->curstate |= IFwrap;
1608 7cf289ca 2004-04-06 devnull // We do frames, so skip stuff in noframes
1609 7cf289ca 2004-04-06 devnull case Tnoframes:
1610 7cf289ca 2004-04-06 devnull ps->skipping = 1;
1613 7cf289ca 2004-04-06 devnull case Tnoframes+RBRA:
1614 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1617 7cf289ca 2004-04-06 devnull // We do scripts (if enabled), so skip stuff in noscripts
1618 7cf289ca 2004-04-06 devnull case Tnoscript:
1619 7cf289ca 2004-04-06 devnull if(doscripts)
1620 7cf289ca 2004-04-06 devnull ps->skipping = 1;
1623 7cf289ca 2004-04-06 devnull case Tnoscript+RBRA:
1624 7cf289ca 2004-04-06 devnull if(doscripts)
1625 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1628 7cf289ca 2004-04-06 devnull // <!ELEMENT OPTION - O ( //PCDATA)>
1629 7cf289ca 2004-04-06 devnull case Toption:
1630 7cf289ca 2004-04-06 devnull if(is->curform == nil || is->curform->fields == nil) {
1631 7cf289ca 2004-04-06 devnull if(warn)
1632 7cf289ca 2004-04-06 devnull fprint(2, "warning: <OPTION> not in <SELECT>\n");
1633 7cf289ca 2004-04-06 devnull continue;
1635 7cf289ca 2004-04-06 devnull field = is->curform->fields;
1636 7cf289ca 2004-04-06 devnull if(field->ftype != Fselect) {
1637 7cf289ca 2004-04-06 devnull if(warn)
1638 7cf289ca 2004-04-06 devnull fprint(2, "warning: <OPTION> not in <SELECT>\n");
1639 7cf289ca 2004-04-06 devnull continue;
1641 7cf289ca 2004-04-06 devnull val = aval(tok, Avalue);
1642 7cf289ca 2004-04-06 devnull option = newoption(aflagval(tok, Aselected), val, nil, field->options);
1643 7cf289ca 2004-04-06 devnull field->options = option;
1644 7cf289ca 2004-04-06 devnull option->display = getpcdata(toks, tokslen, &toki);
1645 7cf289ca 2004-04-06 devnull if(val == nil)
1646 7cf289ca 2004-04-06 devnull option->value = _Strdup(option->display);
1649 7cf289ca 2004-04-06 devnull // <!ELEMENT P - O (%text)* >
1650 7cf289ca 2004-04-06 devnull case Tp:
1651 7cf289ca 2004-04-06 devnull pushjust(ps, atabval(tok, Aalign, align_tab, NALIGNTAB, ps->curjust));
1652 7cf289ca 2004-04-06 devnull ps->inpar = 1;
1653 7cf289ca 2004-04-06 devnull ps->skipwhite = 1;
1656 7cf289ca 2004-04-06 devnull case Tp+RBRA:
1659 7cf289ca 2004-04-06 devnull // <!ELEMENT PARAM - O EMPTY>
1660 7cf289ca 2004-04-06 devnull // Do something when we do applets...
1661 7cf289ca 2004-04-06 devnull case Tparam:
1664 7cf289ca 2004-04-06 devnull // <!ELEMENT PRE - - (%text)* -(IMG|BIG|SMALL|SUB|SUP|FONT) >
1665 7cf289ca 2004-04-06 devnull case Tpre:
1666 7cf289ca 2004-04-06 devnull ps->curstate &= ~IFwrap;
1667 7cf289ca 2004-04-06 devnull ps->literal = 1;
1668 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1669 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntT);
1672 7cf289ca 2004-04-06 devnull case Tpre+RBRA:
1673 7cf289ca 2004-04-06 devnull ps->curstate |= IFwrap;
1674 7cf289ca 2004-04-06 devnull if(ps->literal) {
1675 7cf289ca 2004-04-06 devnull popfontstyle(ps);
1676 7cf289ca 2004-04-06 devnull ps->literal = 0;
1680 7cf289ca 2004-04-06 devnull // <!ELEMENT SCRIPT - - CDATA>
1681 7cf289ca 2004-04-06 devnull case Tscript:
1682 7cf289ca 2004-04-06 devnull if(doscripts) {
1683 7cf289ca 2004-04-06 devnull if(!di->hasscripts) {
1684 7cf289ca 2004-04-06 devnull if(di->scripttype == TextJavascript) {
1685 7cf289ca 2004-04-06 devnull // TODO: initialize script if nec.
1686 7cf289ca 2004-04-06 devnull // initjscript(di);
1687 7cf289ca 2004-04-06 devnull di->hasscripts = 1;
1691 7cf289ca 2004-04-06 devnull if(!di->hasscripts) {
1692 7cf289ca 2004-04-06 devnull if(warn)
1693 7cf289ca 2004-04-06 devnull fprint(2, "warning: <SCRIPT> ignored\n");
1694 7cf289ca 2004-04-06 devnull ps->skipping = 1;
1697 7cf289ca 2004-04-06 devnull scriptsrc = aurlval(tok, Asrc, nil, di->base);
1698 7cf289ca 2004-04-06 devnull script = nil;
1699 7cf289ca 2004-04-06 devnull if(scriptsrc != nil) {
1700 7cf289ca 2004-04-06 devnull if(warn)
1701 7cf289ca 2004-04-06 devnull fprint(2, "warning: non-local <SCRIPT> ignored\n");
1702 7cf289ca 2004-04-06 devnull free(scriptsrc);
1705 7cf289ca 2004-04-06 devnull script = getpcdata(toks, tokslen, &toki);
1707 7cf289ca 2004-04-06 devnull if(script != nil) {
1708 7cf289ca 2004-04-06 devnull if(warn)
1709 7cf289ca 2004-04-06 devnull fprint(2, "script ignored\n");
1710 7cf289ca 2004-04-06 devnull free(script);
1715 7cf289ca 2004-04-06 devnull case Tscript+RBRA:
1716 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1719 7cf289ca 2004-04-06 devnull // <!ELEMENT SELECT - - (OPTION+)>
1720 7cf289ca 2004-04-06 devnull case Tselect:
1721 7cf289ca 2004-04-06 devnull if(is->curform == nil) {
1722 7cf289ca 2004-04-06 devnull if(warn)
1723 7cf289ca 2004-04-06 devnull fprint(2, "<SELECT> not inside <FORM>\n");
1724 7cf289ca 2004-04-06 devnull continue;
1726 7cf289ca 2004-04-06 devnull field = newformfield(Fselect,
1727 7cf289ca 2004-04-06 devnull ++is->curform->nfields,
1728 7cf289ca 2004-04-06 devnull is->curform,
1729 7cf289ca 2004-04-06 devnull aval(tok, Aname),
1731 7cf289ca 2004-04-06 devnull auintval(tok, Asize, 0),
1733 7cf289ca 2004-04-06 devnull is->curform->fields);
1734 7cf289ca 2004-04-06 devnull is->curform->fields = field;
1735 7cf289ca 2004-04-06 devnull if(aflagval(tok, Amultiple))
1736 7cf289ca 2004-04-06 devnull field->flags = FFmultiple;
1737 7cf289ca 2004-04-06 devnull ffit = newiformfield(field);
1738 7cf289ca 2004-04-06 devnull additem(ps, ffit, tok);
1739 7cf289ca 2004-04-06 devnull if(ffit->genattr != nil)
1740 7cf289ca 2004-04-06 devnull field->events = ffit->genattr->events;
1741 7cf289ca 2004-04-06 devnull // throw away stuff until next tag (should be <OPTION>)
1742 7cf289ca 2004-04-06 devnull s = getpcdata(toks, tokslen, &toki);
1743 7cf289ca 2004-04-06 devnull if(s != nil)
1744 7cf289ca 2004-04-06 devnull free(s);
1747 7cf289ca 2004-04-06 devnull case Tselect+RBRA:
1748 7cf289ca 2004-04-06 devnull if(is->curform == nil || is->curform->fields == nil) {
1749 7cf289ca 2004-04-06 devnull if(warn)
1750 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </SELECT>\n");
1751 7cf289ca 2004-04-06 devnull continue;
1753 7cf289ca 2004-04-06 devnull field = is->curform->fields;
1754 7cf289ca 2004-04-06 devnull if(field->ftype != Fselect)
1755 7cf289ca 2004-04-06 devnull continue;
1756 7cf289ca 2004-04-06 devnull // put options back in input order
1757 7cf289ca 2004-04-06 devnull field->options = (Option*)_revlist((List*)field->options);
1760 7cf289ca 2004-04-06 devnull // <!ELEMENT (STRIKE|U) - - (%text)*>
1761 7cf289ca 2004-04-06 devnull case Tstrike:
1762 7cf289ca 2004-04-06 devnull case Tu:
1763 7cf289ca 2004-04-06 devnull ps->curul = push(&ps->ulstk, (tag==Tstrike)? ULmid : ULunder);
1766 7cf289ca 2004-04-06 devnull case Tstrike+RBRA:
1767 7cf289ca 2004-04-06 devnull case Tu+RBRA:
1768 7cf289ca 2004-04-06 devnull if(ps->ulstk.n == 0) {
1769 7cf289ca 2004-04-06 devnull if(warn)
1770 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected %T\n", tok);
1771 7cf289ca 2004-04-06 devnull continue;
1773 7cf289ca 2004-04-06 devnull ps->curul = popretnewtop(&ps->ulstk, ULnone);
1776 7cf289ca 2004-04-06 devnull // <!ELEMENT STYLE - - CDATA>
1777 7cf289ca 2004-04-06 devnull case Tstyle:
1778 7cf289ca 2004-04-06 devnull if(warn)
1779 7cf289ca 2004-04-06 devnull fprint(2, "warning: unimplemented <STYLE>\n");
1780 7cf289ca 2004-04-06 devnull ps->skipping = 1;
1783 7cf289ca 2004-04-06 devnull case Tstyle+RBRA:
1784 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1787 7cf289ca 2004-04-06 devnull // <!ELEMENT (SUB|SUP) - - (%text)*>
1788 7cf289ca 2004-04-06 devnull case Tsub:
1789 7cf289ca 2004-04-06 devnull case Tsup:
1790 7cf289ca 2004-04-06 devnull if(tag == Tsub)
1791 7cf289ca 2004-04-06 devnull ps->curvoff += SUBOFF;
1793 7cf289ca 2004-04-06 devnull ps->curvoff -= SUPOFF;
1794 7cf289ca 2004-04-06 devnull push(&ps->voffstk, ps->curvoff);
1795 7cf289ca 2004-04-06 devnull sz = top(&ps->fntsizestk, Normal);
1796 7cf289ca 2004-04-06 devnull pushfontsize(ps, sz - 1);
1799 7cf289ca 2004-04-06 devnull case Tsub+RBRA:
1800 7cf289ca 2004-04-06 devnull case Tsup+RBRA:
1801 7cf289ca 2004-04-06 devnull if(ps->voffstk.n == 0) {
1802 7cf289ca 2004-04-06 devnull if(warn)
1803 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected %T\n", tok);
1804 7cf289ca 2004-04-06 devnull continue;
1806 7cf289ca 2004-04-06 devnull ps->curvoff = popretnewtop(&ps->voffstk, 0);
1807 7cf289ca 2004-04-06 devnull popfontsize(ps);
1810 7cf289ca 2004-04-06 devnull // <!ELEMENT TABLE - - (CAPTION?, TR+)>
1811 7cf289ca 2004-04-06 devnull case Ttable:
1812 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1813 7cf289ca 2004-04-06 devnull tab = newtable(++is->ntables,
1814 7cf289ca 2004-04-06 devnull aalign(tok),
1815 7cf289ca 2004-04-06 devnull adimen(tok, Awidth),
1816 7cf289ca 2004-04-06 devnull aflagval(tok, Aborder),
1817 7cf289ca 2004-04-06 devnull auintval(tok, Acellspacing, TABSP),
1818 7cf289ca 2004-04-06 devnull auintval(tok, Acellpadding, TABPAD),
1819 7cf289ca 2004-04-06 devnull makebackground(nil, acolorval(tok, Abgcolor, ps->curbg.color)),
1821 7cf289ca 2004-04-06 devnull is->tabstk);
1822 7cf289ca 2004-04-06 devnull is->tabstk = tab;
1823 7cf289ca 2004-04-06 devnull curtab = tab;
1826 7cf289ca 2004-04-06 devnull case Ttable+RBRA:
1827 7cf289ca 2004-04-06 devnull if(curtab == nil) {
1828 7cf289ca 2004-04-06 devnull if(warn)
1829 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </TABLE>\n");
1830 7cf289ca 2004-04-06 devnull continue;
1832 7cf289ca 2004-04-06 devnull isempty = (curtab->cells == nil);
1833 7cf289ca 2004-04-06 devnull if(isempty) {
1834 7cf289ca 2004-04-06 devnull if(warn)
1835 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TABLE> has no cells\n");
1838 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1839 7cf289ca 2004-04-06 devnull if(curtab->rows != nil)
1840 7cf289ca 2004-04-06 devnull curtab->rows->flags = 0;
1841 7cf289ca 2004-04-06 devnull finish_table(curtab);
1843 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1844 7cf289ca 2004-04-06 devnull if(!isempty) {
1845 7cf289ca 2004-04-06 devnull tabitem = newitable(curtab);
1846 7cf289ca 2004-04-06 devnull al = curtab->align.halign;
1847 7cf289ca 2004-04-06 devnull switch(al) {
1848 7cf289ca 2004-04-06 devnull case ALleft:
1849 7cf289ca 2004-04-06 devnull case ALright:
1850 7cf289ca 2004-04-06 devnull additem(ps, newifloat(tabitem, al), tok);
1852 7cf289ca 2004-04-06 devnull default:
1853 7cf289ca 2004-04-06 devnull if(al == ALcenter)
1854 7cf289ca 2004-04-06 devnull pushjust(ps, ALcenter);
1855 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1856 7cf289ca 2004-04-06 devnull if(ps->inpar) {
1857 7cf289ca 2004-04-06 devnull popjust(ps);
1858 7cf289ca 2004-04-06 devnull ps->inpar = 0;
1860 7cf289ca 2004-04-06 devnull additem(ps, tabitem, curtab->tabletok);
1861 7cf289ca 2004-04-06 devnull if(al == ALcenter)
1862 7cf289ca 2004-04-06 devnull popjust(ps);
1866 7cf289ca 2004-04-06 devnull if(is->tabstk == nil) {
1867 7cf289ca 2004-04-06 devnull if(warn)
1868 7cf289ca 2004-04-06 devnull fprint(2, "warning: table stack is wrong\n");
1871 7cf289ca 2004-04-06 devnull is->tabstk = is->tabstk->next;
1872 7cf289ca 2004-04-06 devnull curtab->next = di->tables;
1873 7cf289ca 2004-04-06 devnull di->tables = curtab;
1874 7cf289ca 2004-04-06 devnull curtab = is->tabstk;
1875 7cf289ca 2004-04-06 devnull if(!isempty)
1876 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1879 7cf289ca 2004-04-06 devnull // <!ELEMENT (TH|TD) - O %body.content>
1880 7cf289ca 2004-04-06 devnull // Cells for a row are accumulated in reverse order.
1881 7cf289ca 2004-04-06 devnull // We push ps on a stack, and use a new one to accumulate
1882 7cf289ca 2004-04-06 devnull // the contents of the cell.
1883 7cf289ca 2004-04-06 devnull case Ttd:
1884 7cf289ca 2004-04-06 devnull case Tth:
1885 7cf289ca 2004-04-06 devnull if(curtab == nil) {
1886 7cf289ca 2004-04-06 devnull if(warn)
1887 7cf289ca 2004-04-06 devnull fprint(2, "%T outside <TABLE>\n", tok);
1888 7cf289ca 2004-04-06 devnull continue;
1890 7cf289ca 2004-04-06 devnull if(ps->inpar) {
1891 7cf289ca 2004-04-06 devnull popjust(ps);
1892 7cf289ca 2004-04-06 devnull ps->inpar = 0;
1894 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1895 7cf289ca 2004-04-06 devnull tr = nil;
1896 7cf289ca 2004-04-06 devnull if(curtab->rows != nil)
1897 7cf289ca 2004-04-06 devnull tr = curtab->rows;
1898 7cf289ca 2004-04-06 devnull if(tr == nil || !tr->flags) {
1899 7cf289ca 2004-04-06 devnull if(warn)
1900 7cf289ca 2004-04-06 devnull fprint(2, "%T outside row\n", tok);
1901 7cf289ca 2004-04-06 devnull tr = newtablerow(makealign(ALnone, ALnone),
1902 7cf289ca 2004-04-06 devnull makebackground(nil, curtab->background.color),
1903 7cf289ca 2004-04-06 devnull TFparsing,
1904 7cf289ca 2004-04-06 devnull curtab->rows);
1905 7cf289ca 2004-04-06 devnull curtab->rows = tr;
1907 7cf289ca 2004-04-06 devnull ps = cell_pstate(ps, tag == Tth);
1908 7cf289ca 2004-04-06 devnull flags = TFparsing;
1909 7cf289ca 2004-04-06 devnull if(aflagval(tok, Anowrap)) {
1910 7cf289ca 2004-04-06 devnull flags |= TFnowrap;
1911 7cf289ca 2004-04-06 devnull ps->curstate &= ~IFwrap;
1913 7cf289ca 2004-04-06 devnull if(tag == Tth)
1914 7cf289ca 2004-04-06 devnull flags |= TFisth;
1915 7cf289ca 2004-04-06 devnull c = newtablecell(curtab->cells==nil? 1 : curtab->cells->cellid+1,
1916 7cf289ca 2004-04-06 devnull auintval(tok, Arowspan, 1),
1917 7cf289ca 2004-04-06 devnull auintval(tok, Acolspan, 1),
1918 7cf289ca 2004-04-06 devnull aalign(tok),
1919 7cf289ca 2004-04-06 devnull adimen(tok, Awidth),
1920 7cf289ca 2004-04-06 devnull auintval(tok, Aheight, 0),
1921 7cf289ca 2004-04-06 devnull makebackground(nil, acolorval(tok, Abgcolor, tr->background.color)),
1923 7cf289ca 2004-04-06 devnull curtab->cells);
1924 7cf289ca 2004-04-06 devnull curtab->cells = c;
1925 7cf289ca 2004-04-06 devnull ps->curbg = c->background;
1926 7cf289ca 2004-04-06 devnull if(c->align.halign == ALnone) {
1927 7cf289ca 2004-04-06 devnull if(tr->align.halign != ALnone)
1928 7cf289ca 2004-04-06 devnull c->align.halign = tr->align.halign;
1929 7cf289ca 2004-04-06 devnull else if(tag == Tth)
1930 7cf289ca 2004-04-06 devnull c->align.halign = ALcenter;
1932 7cf289ca 2004-04-06 devnull c->align.halign = ALleft;
1934 7cf289ca 2004-04-06 devnull if(c->align.valign == ALnone) {
1935 7cf289ca 2004-04-06 devnull if(tr->align.valign != ALnone)
1936 7cf289ca 2004-04-06 devnull c->align.valign = tr->align.valign;
1938 7cf289ca 2004-04-06 devnull c->align.valign = ALmiddle;
1940 7cf289ca 2004-04-06 devnull c->nextinrow = tr->cells;
1941 7cf289ca 2004-04-06 devnull tr->cells = c;
1944 7cf289ca 2004-04-06 devnull case Ttd+RBRA:
1945 7cf289ca 2004-04-06 devnull case Tth+RBRA:
1946 7cf289ca 2004-04-06 devnull if(curtab == nil || curtab->cells == nil) {
1947 7cf289ca 2004-04-06 devnull if(warn)
1948 7cf289ca 2004-04-06 devnull fprint(2, "unexpected %T\n", tok);
1949 7cf289ca 2004-04-06 devnull continue;
1951 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1954 7cf289ca 2004-04-06 devnull // <!ELEMENT TEXTAREA - - ( //PCDATA)>
1955 7cf289ca 2004-04-06 devnull case Ttextarea:
1956 7cf289ca 2004-04-06 devnull if(is->curform == nil) {
1957 7cf289ca 2004-04-06 devnull if(warn)
1958 7cf289ca 2004-04-06 devnull fprint(2, "<TEXTAREA> not inside <FORM>\n");
1959 7cf289ca 2004-04-06 devnull continue;
1961 7cf289ca 2004-04-06 devnull field = newformfield(Ftextarea,
1962 7cf289ca 2004-04-06 devnull ++is->curform->nfields,
1963 7cf289ca 2004-04-06 devnull is->curform,
1964 7cf289ca 2004-04-06 devnull aval(tok, Aname),
1968 7cf289ca 2004-04-06 devnull is->curform->fields);
1969 7cf289ca 2004-04-06 devnull is->curform->fields = field;
1970 7cf289ca 2004-04-06 devnull field->rows = auintval(tok, Arows, 3);
1971 7cf289ca 2004-04-06 devnull field->cols = auintval(tok, Acols, 50);
1972 7cf289ca 2004-04-06 devnull field->value = getpcdata(toks, tokslen, &toki);
1973 7cf289ca 2004-04-06 devnull if(warn && toki < tokslen - 1 && toks[toki + 1].tag != Ttextarea + RBRA)
1974 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TEXTAREA> data ended by %T\n", &toks[toki + 1]);
1975 7cf289ca 2004-04-06 devnull ffit = newiformfield(field);
1976 7cf289ca 2004-04-06 devnull additem(ps, ffit, tok);
1977 7cf289ca 2004-04-06 devnull if(ffit->genattr != nil)
1978 7cf289ca 2004-04-06 devnull field->events = ffit->genattr->events;
1981 7cf289ca 2004-04-06 devnull // <!ELEMENT TITLE - - ( //PCDATA)* -(%head.misc)>
1982 7cf289ca 2004-04-06 devnull case Ttitle:
1983 7cf289ca 2004-04-06 devnull di->doctitle = getpcdata(toks, tokslen, &toki);
1984 7cf289ca 2004-04-06 devnull if(warn && toki < tokslen - 1 && toks[toki + 1].tag != Ttitle + RBRA)
1985 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TITLE> data ended by %T\n", &toks[toki + 1]);
1988 7cf289ca 2004-04-06 devnull // <!ELEMENT TR - O (TH|TD)+>
1989 7cf289ca 2004-04-06 devnull // rows are accumulated in reverse order in curtab->rows
1990 7cf289ca 2004-04-06 devnull case Ttr:
1991 7cf289ca 2004-04-06 devnull if(curtab == nil) {
1992 7cf289ca 2004-04-06 devnull if(warn)
1993 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TR> outside <TABLE>\n");
1994 7cf289ca 2004-04-06 devnull continue;
1996 7cf289ca 2004-04-06 devnull if(ps->inpar) {
1997 7cf289ca 2004-04-06 devnull popjust(ps);
1998 7cf289ca 2004-04-06 devnull ps->inpar = 0;
2000 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
2001 7cf289ca 2004-04-06 devnull if(curtab->rows != nil)
2002 7cf289ca 2004-04-06 devnull curtab->rows->flags = 0;
2003 7cf289ca 2004-04-06 devnull curtab->rows = newtablerow(aalign(tok),
2004 7cf289ca 2004-04-06 devnull makebackground(nil, acolorval(tok, Abgcolor, curtab->background.color)),
2005 7cf289ca 2004-04-06 devnull TFparsing,
2006 7cf289ca 2004-04-06 devnull curtab->rows);
2009 7cf289ca 2004-04-06 devnull case Ttr+RBRA:
2010 7cf289ca 2004-04-06 devnull if(curtab == nil || curtab->rows == nil) {
2011 7cf289ca 2004-04-06 devnull if(warn)
2012 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </TR>\n");
2013 7cf289ca 2004-04-06 devnull continue;
2015 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
2016 7cf289ca 2004-04-06 devnull tr = curtab->rows;
2017 7cf289ca 2004-04-06 devnull if(tr->cells == nil) {
2018 7cf289ca 2004-04-06 devnull if(warn)
2019 7cf289ca 2004-04-06 devnull fprint(2, "warning: empty row\n");
2020 7cf289ca 2004-04-06 devnull curtab->rows = tr->next;
2021 7cf289ca 2004-04-06 devnull tr->next = nil;
2024 7cf289ca 2004-04-06 devnull tr->flags = 0;
2027 7cf289ca 2004-04-06 devnull // <!ELEMENT (TT|CODE|KBD|SAMP) - - (%text)*>
2028 7cf289ca 2004-04-06 devnull case Ttt:
2029 7cf289ca 2004-04-06 devnull case Tcode:
2030 7cf289ca 2004-04-06 devnull case Tkbd:
2031 7cf289ca 2004-04-06 devnull case Tsamp:
2032 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntT);
2035 7cf289ca 2004-04-06 devnull // Tags that have empty action
2036 7cf289ca 2004-04-06 devnull case Tabbr:
2037 7cf289ca 2004-04-06 devnull case Tabbr+RBRA:
2038 7cf289ca 2004-04-06 devnull case Tacronym:
2039 7cf289ca 2004-04-06 devnull case Tacronym+RBRA:
2040 7cf289ca 2004-04-06 devnull case Tarea+RBRA:
2041 7cf289ca 2004-04-06 devnull case Tbase+RBRA:
2042 7cf289ca 2004-04-06 devnull case Tbasefont+RBRA:
2043 7cf289ca 2004-04-06 devnull case Tbr+RBRA:
2044 7cf289ca 2004-04-06 devnull case Tdd+RBRA:
2045 7cf289ca 2004-04-06 devnull case Tdt+RBRA:
2046 7cf289ca 2004-04-06 devnull case Tframe+RBRA:
2047 7cf289ca 2004-04-06 devnull case Thr+RBRA:
2048 7cf289ca 2004-04-06 devnull case Thtml:
2049 7cf289ca 2004-04-06 devnull case Thtml+RBRA:
2050 7cf289ca 2004-04-06 devnull case Timg+RBRA:
2051 7cf289ca 2004-04-06 devnull case Tinput+RBRA:
2052 7cf289ca 2004-04-06 devnull case Tisindex+RBRA:
2053 7cf289ca 2004-04-06 devnull case Tli+RBRA:
2054 7cf289ca 2004-04-06 devnull case Tlink:
2055 7cf289ca 2004-04-06 devnull case Tlink+RBRA:
2056 7cf289ca 2004-04-06 devnull case Tmeta+RBRA:
2057 7cf289ca 2004-04-06 devnull case Toption+RBRA:
2058 7cf289ca 2004-04-06 devnull case Tparam+RBRA:
2059 7cf289ca 2004-04-06 devnull case Ttextarea+RBRA:
2060 7cf289ca 2004-04-06 devnull case Ttitle+RBRA:
2064 7cf289ca 2004-04-06 devnull // Tags not implemented
2065 7cf289ca 2004-04-06 devnull case Tbdo:
2066 7cf289ca 2004-04-06 devnull case Tbdo+RBRA:
2067 7cf289ca 2004-04-06 devnull case Tbutton:
2068 7cf289ca 2004-04-06 devnull case Tbutton+RBRA:
2069 7cf289ca 2004-04-06 devnull case Tdel:
2070 7cf289ca 2004-04-06 devnull case Tdel+RBRA:
2071 7cf289ca 2004-04-06 devnull case Tfieldset:
2072 7cf289ca 2004-04-06 devnull case Tfieldset+RBRA:
2073 7cf289ca 2004-04-06 devnull case Tiframe:
2074 7cf289ca 2004-04-06 devnull case Tiframe+RBRA:
2075 7cf289ca 2004-04-06 devnull case Tins:
2076 7cf289ca 2004-04-06 devnull case Tins+RBRA:
2077 7cf289ca 2004-04-06 devnull case Tlabel:
2078 7cf289ca 2004-04-06 devnull case Tlabel+RBRA:
2079 7cf289ca 2004-04-06 devnull case Tlegend:
2080 7cf289ca 2004-04-06 devnull case Tlegend+RBRA:
2081 7cf289ca 2004-04-06 devnull case Tobject:
2082 7cf289ca 2004-04-06 devnull case Tobject+RBRA:
2083 7cf289ca 2004-04-06 devnull case Toptgroup:
2084 7cf289ca 2004-04-06 devnull case Toptgroup+RBRA:
2085 7cf289ca 2004-04-06 devnull case Tspan:
2086 7cf289ca 2004-04-06 devnull case Tspan+RBRA:
2087 7cf289ca 2004-04-06 devnull if(warn) {
2088 7cf289ca 2004-04-06 devnull if(tag > RBRA)
2089 7cf289ca 2004-04-06 devnull tag -= RBRA;
2090 7cf289ca 2004-04-06 devnull fprint(2, "warning: unimplemented HTML tag: %S\n", tagnames[tag]);
2094 7cf289ca 2004-04-06 devnull default:
2095 7cf289ca 2004-04-06 devnull if(warn)
2096 7cf289ca 2004-04-06 devnull fprint(2, "warning: unknown HTML tag: %S\n", tok->text);
2100 7cf289ca 2004-04-06 devnull // some pages omit trailing </table>
2101 7cf289ca 2004-04-06 devnull while(curtab != nil) {
2102 7cf289ca 2004-04-06 devnull if(warn)
2103 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TABLE> not closed\n");
2104 7cf289ca 2004-04-06 devnull if(curtab->cells != nil) {
2105 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
2106 7cf289ca 2004-04-06 devnull if(curtab->cells == nil) {
2107 7cf289ca 2004-04-06 devnull if(warn)
2108 7cf289ca 2004-04-06 devnull fprint(2, "warning: empty table\n");
2111 7cf289ca 2004-04-06 devnull if(curtab->rows != nil)
2112 7cf289ca 2004-04-06 devnull curtab->rows->flags = 0;
2113 7cf289ca 2004-04-06 devnull finish_table(curtab);
2114 7cf289ca 2004-04-06 devnull ps->skipping = 0;
2115 7cf289ca 2004-04-06 devnull additem(ps, newitable(curtab), curtab->tabletok);
2116 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
2119 7cf289ca 2004-04-06 devnull if(is->tabstk != nil)
2120 7cf289ca 2004-04-06 devnull is->tabstk = is->tabstk->next;
2121 7cf289ca 2004-04-06 devnull curtab->next = di->tables;
2122 7cf289ca 2004-04-06 devnull di->tables = curtab;
2123 7cf289ca 2004-04-06 devnull curtab = is->tabstk;
2125 7cf289ca 2004-04-06 devnull outerps = lastps(ps);
2126 7cf289ca 2004-04-06 devnull ans = outerps->items->next;
2127 7cf289ca 2004-04-06 devnull // note: ans may be nil and di->kids not nil, if there's a frameset!
2128 7cf289ca 2004-04-06 devnull outerps->items = newispacer(ISPnull);
2129 7cf289ca 2004-04-06 devnull outerps->lastit = outerps->items;
2130 7cf289ca 2004-04-06 devnull is->psstk = ps;
2131 7cf289ca 2004-04-06 devnull if(ans != nil && di->hasscripts) {
2132 7cf289ca 2004-04-06 devnull // TODO evalscript(nil);
2136 7cf289ca 2004-04-06 devnull return_ans:
2137 7cf289ca 2004-04-06 devnull if(dbgbuild) {
2138 7cf289ca 2004-04-06 devnull assert(validitems(ans));
2139 7cf289ca 2004-04-06 devnull if(ans == nil)
2140 7cf289ca 2004-04-06 devnull fprint(2, "getitems returning nil\n");
2142 7cf289ca 2004-04-06 devnull printitems(ans, "getitems returning:");
2144 7cf289ca 2004-04-06 devnull return ans;
2147 7cf289ca 2004-04-06 devnull // Concatenate together maximal set of Data tokens, starting at toks[toki+1].
2148 7cf289ca 2004-04-06 devnull // Lexer has ensured that there will either be a following non-data token or
2149 7cf289ca 2004-04-06 devnull // we will be at eof.
2150 7cf289ca 2004-04-06 devnull // Return emallocd trimmed concatenation, and update *ptoki to last used toki
2151 7cf289ca 2004-04-06 devnull static Rune*
2152 7cf289ca 2004-04-06 devnull getpcdata(Token* toks, int tokslen, int* ptoki)
2154 7cf289ca 2004-04-06 devnull Rune* ans;
2155 7cf289ca 2004-04-06 devnull Rune* p;
2156 7cf289ca 2004-04-06 devnull Rune* trimans;
2157 7cf289ca 2004-04-06 devnull int anslen;
2158 7cf289ca 2004-04-06 devnull int trimanslen;
2159 7cf289ca 2004-04-06 devnull int toki;
2160 7cf289ca 2004-04-06 devnull Token* tok;
2162 7cf289ca 2004-04-06 devnull ans = nil;
2163 7cf289ca 2004-04-06 devnull anslen = 0;
2164 7cf289ca 2004-04-06 devnull // first find length of answer
2165 7cf289ca 2004-04-06 devnull toki = (*ptoki) + 1;
2166 7cf289ca 2004-04-06 devnull while(toki < tokslen) {
2167 7cf289ca 2004-04-06 devnull tok = &toks[toki];
2168 7cf289ca 2004-04-06 devnull if(tok->tag == Data) {
2169 7cf289ca 2004-04-06 devnull toki++;
2170 7cf289ca 2004-04-06 devnull anslen += _Strlen(tok->text);
2175 7cf289ca 2004-04-06 devnull // now make up the initial answer
2176 7cf289ca 2004-04-06 devnull if(anslen > 0) {
2177 7cf289ca 2004-04-06 devnull ans = _newstr(anslen);
2178 7cf289ca 2004-04-06 devnull p = ans;
2179 7cf289ca 2004-04-06 devnull toki = (*ptoki) + 1;
2180 7cf289ca 2004-04-06 devnull while(toki < tokslen) {
2181 7cf289ca 2004-04-06 devnull tok = &toks[toki];
2182 7cf289ca 2004-04-06 devnull if(tok->tag == Data) {
2183 7cf289ca 2004-04-06 devnull toki++;
2184 7cf289ca 2004-04-06 devnull p = _Stradd(p, tok->text, _Strlen(tok->text));
2189 7cf289ca 2004-04-06 devnull *p = 0;
2190 7cf289ca 2004-04-06 devnull _trimwhite(ans, anslen, &trimans, &trimanslen);
2191 7cf289ca 2004-04-06 devnull if(trimanslen != anslen) {
2192 7cf289ca 2004-04-06 devnull p = ans;
2193 7cf289ca 2004-04-06 devnull ans = _Strndup(trimans, trimanslen);
2194 7cf289ca 2004-04-06 devnull free(p);
2197 7cf289ca 2004-04-06 devnull *ptoki = toki-1;
2198 7cf289ca 2004-04-06 devnull return ans;
2201 7cf289ca 2004-04-06 devnull // If still parsing head of curtab->cells list, finish it off
2202 7cf289ca 2004-04-06 devnull // by transferring the items on the head of psstk to the cell.
2203 7cf289ca 2004-04-06 devnull // Then pop the psstk and return the new psstk.
2204 7cf289ca 2004-04-06 devnull static Pstate*
2205 7cf289ca 2004-04-06 devnull finishcell(Table* curtab, Pstate* psstk)
2207 7cf289ca 2004-04-06 devnull Tablecell* c;
2208 7cf289ca 2004-04-06 devnull Pstate* psstknext;
2210 7cf289ca 2004-04-06 devnull c = curtab->cells;
2211 7cf289ca 2004-04-06 devnull if(c != nil) {
2212 7cf289ca 2004-04-06 devnull if((c->flags&TFparsing)) {
2213 7cf289ca 2004-04-06 devnull psstknext = psstk->next;
2214 7cf289ca 2004-04-06 devnull if(psstknext == nil) {
2215 7cf289ca 2004-04-06 devnull if(warn)
2216 7cf289ca 2004-04-06 devnull fprint(2, "warning: parse state stack is wrong\n");
2219 7cf289ca 2004-04-06 devnull c->content = psstk->items->next;
2220 7cf289ca 2004-04-06 devnull c->flags &= ~TFparsing;
2221 7cf289ca 2004-04-06 devnull freepstate(psstk);
2222 7cf289ca 2004-04-06 devnull psstk = psstknext;
2226 7cf289ca 2004-04-06 devnull return psstk;
2229 7cf289ca 2004-04-06 devnull // Make a new Pstate for a cell, based on the old pstate, oldps.
2230 7cf289ca 2004-04-06 devnull // Also, put the new ps on the head of the oldps stack.
2231 7cf289ca 2004-04-06 devnull static Pstate*
2232 7cf289ca 2004-04-06 devnull cell_pstate(Pstate* oldps, int ishead)
2234 7cf289ca 2004-04-06 devnull Pstate* ps;
2235 7cf289ca 2004-04-06 devnull int sty;
2237 7cf289ca 2004-04-06 devnull ps = newpstate(oldps);
2238 7cf289ca 2004-04-06 devnull ps->skipwhite = 1;
2239 7cf289ca 2004-04-06 devnull ps->curanchor = oldps->curanchor;
2240 7cf289ca 2004-04-06 devnull copystack(&ps->fntstylestk, &oldps->fntstylestk);
2241 7cf289ca 2004-04-06 devnull copystack(&ps->fntsizestk, &oldps->fntsizestk);
2242 7cf289ca 2004-04-06 devnull ps->curfont = oldps->curfont;
2243 7cf289ca 2004-04-06 devnull ps->curfg = oldps->curfg;
2244 7cf289ca 2004-04-06 devnull ps->curbg = oldps->curbg;
2245 7cf289ca 2004-04-06 devnull copystack(&ps->fgstk, &oldps->fgstk);
2246 7cf289ca 2004-04-06 devnull ps->adjsize = oldps->adjsize;
2247 7cf289ca 2004-04-06 devnull if(ishead) {
2248 7cf289ca 2004-04-06 devnull sty = ps->curfont%NumSize;
2249 7cf289ca 2004-04-06 devnull ps->curfont = FntB*NumSize + sty;
2251 7cf289ca 2004-04-06 devnull return ps;
2254 7cf289ca 2004-04-06 devnull // Return a new Pstate with default starting state.
2255 7cf289ca 2004-04-06 devnull // Use link to add it to head of a list, if any.
2256 7cf289ca 2004-04-06 devnull static Pstate*
2257 7cf289ca 2004-04-06 devnull newpstate(Pstate* link)
2259 7cf289ca 2004-04-06 devnull Pstate* ps;
2261 7cf289ca 2004-04-06 devnull ps = (Pstate*)emalloc(sizeof(Pstate));
2262 7cf289ca 2004-04-06 devnull ps->curfont = DefFnt;
2263 7cf289ca 2004-04-06 devnull ps->curfg = Black;
2264 7cf289ca 2004-04-06 devnull ps->curbg.image = nil;
2265 7cf289ca 2004-04-06 devnull ps->curbg.color = White;
2266 7cf289ca 2004-04-06 devnull ps->curul = ULnone;
2267 7cf289ca 2004-04-06 devnull ps->curjust = ALleft;
2268 7cf289ca 2004-04-06 devnull ps->curstate = IFwrap;
2269 7cf289ca 2004-04-06 devnull ps->items = newispacer(ISPnull);
2270 7cf289ca 2004-04-06 devnull ps->lastit = ps->items;
2271 7cf289ca 2004-04-06 devnull ps->prelastit = nil;
2272 7cf289ca 2004-04-06 devnull ps->next = link;
2273 7cf289ca 2004-04-06 devnull return ps;
2276 7cf289ca 2004-04-06 devnull // Return last Pstate on psl list
2277 7cf289ca 2004-04-06 devnull static Pstate*
2278 7cf289ca 2004-04-06 devnull lastps(Pstate* psl)
2280 7cf289ca 2004-04-06 devnull assert(psl != nil);
2281 7cf289ca 2004-04-06 devnull while(psl->next != nil)
2282 7cf289ca 2004-04-06 devnull psl = psl->next;
2283 7cf289ca 2004-04-06 devnull return psl;
2286 7cf289ca 2004-04-06 devnull // Add it to end of ps item chain, adding in current state from ps.
2287 7cf289ca 2004-04-06 devnull // Also, if tok is not nil, scan it for generic attributes and assign
2288 7cf289ca 2004-04-06 devnull // the genattr field of the item accordingly.
2289 7cf289ca 2004-04-06 devnull static void
2290 7cf289ca 2004-04-06 devnull additem(Pstate* ps, Item* it, Token* tok)
2292 7cf289ca 2004-04-06 devnull int aid;
2293 7cf289ca 2004-04-06 devnull int any;
2294 7cf289ca 2004-04-06 devnull Rune* i;
2295 7cf289ca 2004-04-06 devnull Rune* c;
2296 7cf289ca 2004-04-06 devnull Rune* s;
2297 7cf289ca 2004-04-06 devnull Rune* t;
2298 7cf289ca 2004-04-06 devnull Attr* a;
2299 7cf289ca 2004-04-06 devnull SEvent* e;
2301 7cf289ca 2004-04-06 devnull if(ps->skipping) {
2302 7cf289ca 2004-04-06 devnull if(warn)
2303 7cf289ca 2004-04-06 devnull fprint(2, "warning: skipping item: %I\n", it);
2304 7cf289ca 2004-04-06 devnull return;
2306 7cf289ca 2004-04-06 devnull it->anchorid = ps->curanchor;
2307 7cf289ca 2004-04-06 devnull it->state |= ps->curstate;
2308 7cf289ca 2004-04-06 devnull if(tok != nil) {
2309 7cf289ca 2004-04-06 devnull any = 0;
2310 7cf289ca 2004-04-06 devnull i = nil;
2311 7cf289ca 2004-04-06 devnull c = nil;
2312 7cf289ca 2004-04-06 devnull s = nil;
2313 7cf289ca 2004-04-06 devnull t = nil;
2314 7cf289ca 2004-04-06 devnull e = nil;
2315 7cf289ca 2004-04-06 devnull for(a = tok->attr; a != nil; a = a->next) {
2316 7cf289ca 2004-04-06 devnull aid = a->attid;
2317 7cf289ca 2004-04-06 devnull if(!attrinfo[aid])
2318 7cf289ca 2004-04-06 devnull continue;
2319 7cf289ca 2004-04-06 devnull switch(aid) {
2320 7cf289ca 2004-04-06 devnull case Aid:
2321 7cf289ca 2004-04-06 devnull i = a->value;
2324 7cf289ca 2004-04-06 devnull case Aclass:
2325 7cf289ca 2004-04-06 devnull c = a->value;
2328 7cf289ca 2004-04-06 devnull case Astyle:
2329 7cf289ca 2004-04-06 devnull s = a->value;
2332 7cf289ca 2004-04-06 devnull case Atitle:
2333 7cf289ca 2004-04-06 devnull t = a->value;
2336 7cf289ca 2004-04-06 devnull default:
2337 7cf289ca 2004-04-06 devnull assert(aid >= Aonblur && aid <= Aonunload);
2338 7cf289ca 2004-04-06 devnull e = newscriptevent(scriptev[a->attid], a->value, e);
2341 7cf289ca 2004-04-06 devnull a->value = nil;
2342 7cf289ca 2004-04-06 devnull any = 1;
2344 7cf289ca 2004-04-06 devnull if(any)
2345 7cf289ca 2004-04-06 devnull it->genattr = newgenattr(i, c, s, t, e);
2347 7cf289ca 2004-04-06 devnull ps->curstate &= ~(IFbrk|IFbrksp|IFnobrk|IFcleft|IFcright);
2348 7cf289ca 2004-04-06 devnull ps->prelastit = ps->lastit;
2349 7cf289ca 2004-04-06 devnull ps->lastit->next = it;
2350 7cf289ca 2004-04-06 devnull ps->lastit = it;
2353 7cf289ca 2004-04-06 devnull // Make a text item out of s,
2354 7cf289ca 2004-04-06 devnull // using current font, foreground, vertical offset and underline state.
2355 7cf289ca 2004-04-06 devnull static Item*
2356 7cf289ca 2004-04-06 devnull textit(Pstate* ps, Rune* s)
2358 7cf289ca 2004-04-06 devnull assert(s != nil);
2359 7cf289ca 2004-04-06 devnull return newitext(s, ps->curfont, ps->curfg, ps->curvoff + Voffbias, ps->curul);
2362 7cf289ca 2004-04-06 devnull // Add text item or items for s, paying attention to
2363 7cf289ca 2004-04-06 devnull // current font, foreground, baseline offset, underline state,
2364 7cf289ca 2004-04-06 devnull // and literal mode. Unless we're in literal mode, compress
2365 7cf289ca 2004-04-06 devnull // whitespace to single blank, and, if curstate has a break,
2366 7cf289ca 2004-04-06 devnull // trim any leading whitespace. Whether in literal mode or not,
2367 7cf289ca 2004-04-06 devnull // turn nonbreaking spaces into spacer items with IFnobrk set.
2369 7cf289ca 2004-04-06 devnull // In literal mode, break up s at newlines and add breaks instead.
2370 7cf289ca 2004-04-06 devnull // Also replace tabs appropriate number of spaces.
2371 7cf289ca 2004-04-06 devnull // In nonliteral mode, break up the items every 100 or so characters
2372 7cf289ca 2004-04-06 devnull // just to make the layout algorithm not go quadratic.
2374 7cf289ca 2004-04-06 devnull // addtext assumes ownership of s.
2375 7cf289ca 2004-04-06 devnull static void
2376 7cf289ca 2004-04-06 devnull addtext(Pstate* ps, Rune* s)
2382 7cf289ca 2004-04-06 devnull int col;
2384 7cf289ca 2004-04-06 devnull int nsp;
2385 7cf289ca 2004-04-06 devnull Item* it;
2386 7cf289ca 2004-04-06 devnull Rune* ss;
2387 7cf289ca 2004-04-06 devnull Rune* p;
2388 7cf289ca 2004-04-06 devnull Rune buf[SMALLBUFSIZE];
2390 7cf289ca 2004-04-06 devnull assert(s != nil);
2391 7cf289ca 2004-04-06 devnull n = runestrlen(s);
2394 7cf289ca 2004-04-06 devnull if(ps->literal) {
2395 7cf289ca 2004-04-06 devnull col = 0;
2396 7cf289ca 2004-04-06 devnull while(i < n) {
2397 7cf289ca 2004-04-06 devnull if(s[i] == '\n') {
2398 7cf289ca 2004-04-06 devnull if(i > j) {
2399 7cf289ca 2004-04-06 devnull // trim trailing blanks from line
2400 7cf289ca 2004-04-06 devnull for(k = i; k > j; k--)
2401 7cf289ca 2004-04-06 devnull if(s[k - 1] != ' ')
2403 7cf289ca 2004-04-06 devnull if(k > j)
2404 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(s+j, k-j)), nil);
2406 7cf289ca 2004-04-06 devnull addlinebrk(ps, 0);
2407 7cf289ca 2004-04-06 devnull j = i + 1;
2408 7cf289ca 2004-04-06 devnull col = 0;
2411 7cf289ca 2004-04-06 devnull if(s[i] == '\t') {
2412 7cf289ca 2004-04-06 devnull col += i - j;
2413 7cf289ca 2004-04-06 devnull nsp = 8 - (col%8);
2414 7cf289ca 2004-04-06 devnull // make ss = s[j:i] + nsp spaces
2415 7cf289ca 2004-04-06 devnull ss = _newstr(i-j+nsp);
2416 7cf289ca 2004-04-06 devnull p = _Stradd(ss, s+j, i-j);
2417 7cf289ca 2004-04-06 devnull p = _Stradd(p, L(Ltab2space), nsp);
2418 7cf289ca 2004-04-06 devnull *p = 0;
2419 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, ss), nil);
2420 7cf289ca 2004-04-06 devnull col += nsp;
2421 7cf289ca 2004-04-06 devnull j = i + 1;
2423 7cf289ca 2004-04-06 devnull else if(s[i] == NBSP) {
2424 7cf289ca 2004-04-06 devnull if(i > j)
2425 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(s+j, i-j)), nil);
2426 7cf289ca 2004-04-06 devnull addnbsp(ps);
2427 7cf289ca 2004-04-06 devnull col += (i - j) + 1;
2428 7cf289ca 2004-04-06 devnull j = i + 1;
2433 7cf289ca 2004-04-06 devnull if(i > j) {
2434 7cf289ca 2004-04-06 devnull if(j == 0 && i == n) {
2435 7cf289ca 2004-04-06 devnull // just transfer s over
2436 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, s), nil);
2439 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(s+j, i-j)), nil);
2440 7cf289ca 2004-04-06 devnull free(s);
2444 7cf289ca 2004-04-06 devnull else { // not literal mode
2445 7cf289ca 2004-04-06 devnull if((ps->curstate&IFbrk) || ps->lastit == ps->items)
2446 7cf289ca 2004-04-06 devnull while(i < n) {
2447 7cf289ca 2004-04-06 devnull c = s[i];
2448 7cf289ca 2004-04-06 devnull if(c >= 256 || !isspace(c))
2452 7cf289ca 2004-04-06 devnull p = buf;
2453 7cf289ca 2004-04-06 devnull for(j = i; i < n; i++) {
2454 7cf289ca 2004-04-06 devnull assert(p+i-j < buf+SMALLBUFSIZE-1);
2455 7cf289ca 2004-04-06 devnull c = s[i];
2456 7cf289ca 2004-04-06 devnull if(c == NBSP) {
2457 7cf289ca 2004-04-06 devnull if(i > j)
2458 7cf289ca 2004-04-06 devnull p = _Stradd(p, s+j, i-j);
2459 7cf289ca 2004-04-06 devnull if(p > buf)
2460 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(buf, p-buf)), nil);
2461 7cf289ca 2004-04-06 devnull p = buf;
2462 7cf289ca 2004-04-06 devnull addnbsp(ps);
2463 7cf289ca 2004-04-06 devnull j = i + 1;
2464 7cf289ca 2004-04-06 devnull continue;
2466 7cf289ca 2004-04-06 devnull if(c < 256 && isspace(c)) {
2467 7cf289ca 2004-04-06 devnull if(i > j)
2468 7cf289ca 2004-04-06 devnull p = _Stradd(p, s+j, i-j);
2469 7cf289ca 2004-04-06 devnull *p++ = ' ';
2470 7cf289ca 2004-04-06 devnull while(i < n - 1) {
2471 7cf289ca 2004-04-06 devnull c = s[i + 1];
2472 7cf289ca 2004-04-06 devnull if(c >= 256 || !isspace(c))
2476 7cf289ca 2004-04-06 devnull j = i + 1;
2478 7cf289ca 2004-04-06 devnull if(i - j >= 100) {
2479 7cf289ca 2004-04-06 devnull p = _Stradd(p, s+j, i+1-j);
2480 7cf289ca 2004-04-06 devnull j = i + 1;
2482 7cf289ca 2004-04-06 devnull if(p-buf >= 100) {
2483 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(buf, p-buf)), nil);
2484 7cf289ca 2004-04-06 devnull p = buf;
2487 7cf289ca 2004-04-06 devnull if(i > j && j < n) {
2488 7cf289ca 2004-04-06 devnull assert(p+i-j < buf+SMALLBUFSIZE-1);
2489 7cf289ca 2004-04-06 devnull p = _Stradd(p, s+j, i-j);
2491 7cf289ca 2004-04-06 devnull // don't add a space if previous item ended in a space
2492 7cf289ca 2004-04-06 devnull if(p-buf == 1 && buf[0] == ' ' && ps->lastit != nil) {
2493 7cf289ca 2004-04-06 devnull it = ps->lastit;
2494 7cf289ca 2004-04-06 devnull if(it->tag == Itexttag) {
2495 7cf289ca 2004-04-06 devnull ss = ((Itext*)it)->s;
2496 7cf289ca 2004-04-06 devnull k = _Strlen(ss);
2497 7cf289ca 2004-04-06 devnull if(k > 0 && ss[k] == ' ')
2498 7cf289ca 2004-04-06 devnull p = buf;
2501 7cf289ca 2004-04-06 devnull if(p > buf)
2502 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(buf, p-buf)), nil);
2503 7cf289ca 2004-04-06 devnull free(s);
2507 7cf289ca 2004-04-06 devnull // Add a break to ps->curstate, with extra space if sp is true.
2508 7cf289ca 2004-04-06 devnull // If there was a previous break, combine this one's parameters
2509 7cf289ca 2004-04-06 devnull // with that to make the amt be the max of the two and the clr
2510 7cf289ca 2004-04-06 devnull // be the most general. (amt will be 0 or 1)
2511 7cf289ca 2004-04-06 devnull // Also, if the immediately preceding item was a text item,
2512 7cf289ca 2004-04-06 devnull // trim any whitespace from the end of it, if not in literal mode.
2513 7cf289ca 2004-04-06 devnull // Finally, if this is at the very beginning of the item list
2514 7cf289ca 2004-04-06 devnull // (the only thing there is a null spacer), then don't add the space.
2515 7cf289ca 2004-04-06 devnull static void
2516 7cf289ca 2004-04-06 devnull addbrk(Pstate* ps, int sp, int clr)
2518 7cf289ca 2004-04-06 devnull int state;
2519 7cf289ca 2004-04-06 devnull Rune* l;
2520 7cf289ca 2004-04-06 devnull int nl;
2521 7cf289ca 2004-04-06 devnull Rune* r;
2522 7cf289ca 2004-04-06 devnull int nr;
2523 7cf289ca 2004-04-06 devnull Itext* t;
2524 7cf289ca 2004-04-06 devnull Rune* s;
2526 7cf289ca 2004-04-06 devnull state = ps->curstate;
2527 7cf289ca 2004-04-06 devnull clr = clr|(state&(IFcleft|IFcright));
2528 7cf289ca 2004-04-06 devnull if(sp && !(ps->lastit == ps->items))
2529 7cf289ca 2004-04-06 devnull sp = IFbrksp;
2531 7cf289ca 2004-04-06 devnull sp = 0;
2532 7cf289ca 2004-04-06 devnull ps->curstate = IFbrk|sp|(state&~(IFcleft|IFcright))|clr;
2533 7cf289ca 2004-04-06 devnull if(ps->lastit != ps->items) {
2534 7cf289ca 2004-04-06 devnull if(!ps->literal && ps->lastit->tag == Itexttag) {
2535 7cf289ca 2004-04-06 devnull t = (Itext*)ps->lastit;
2536 7cf289ca 2004-04-06 devnull _splitr(t->s, _Strlen(t->s), notwhitespace, &l, &nl, &r, &nr);
2537 7cf289ca 2004-04-06 devnull // try to avoid making empty items
2538 7cf289ca 2004-04-06 devnull // but not crucial f the occasional one gets through
2539 7cf289ca 2004-04-06 devnull if(nl == 0 && ps->prelastit != nil) {
2540 7cf289ca 2004-04-06 devnull ps->lastit = ps->prelastit;
2541 7cf289ca 2004-04-06 devnull ps->lastit->next = nil;
2542 7cf289ca 2004-04-06 devnull ps->prelastit = nil;
2545 7cf289ca 2004-04-06 devnull s = t->s;
2546 7cf289ca 2004-04-06 devnull if(nl == 0) {
2547 7cf289ca 2004-04-06 devnull // need a non-nil pointer to empty string
2548 7cf289ca 2004-04-06 devnull // (_Strdup(L(Lempty)) returns nil)
2549 7cf289ca 2004-04-06 devnull t->s = emalloc(sizeof(Rune));
2550 7cf289ca 2004-04-06 devnull t->s[0] = 0;
2553 7cf289ca 2004-04-06 devnull t->s = _Strndup(l, nl);
2555 7cf289ca 2004-04-06 devnull free(s);
2561 7cf289ca 2004-04-06 devnull // Add break due to a <br> or a newline within a preformatted section.
2562 7cf289ca 2004-04-06 devnull // We add a null item first, with current font's height and ascent, to make
2563 7cf289ca 2004-04-06 devnull // sure that the current line takes up at least that amount of vertical space.
2564 7cf289ca 2004-04-06 devnull // This ensures that <br>s on empty lines cause blank lines, and that
2565 7cf289ca 2004-04-06 devnull // multiple <br>s in a row give multiple blank lines.
2566 7cf289ca 2004-04-06 devnull // However don't add the spacer if the previous item was something that
2567 7cf289ca 2004-04-06 devnull // takes up space itself.
2568 7cf289ca 2004-04-06 devnull static void
2569 7cf289ca 2004-04-06 devnull addlinebrk(Pstate* ps, int clr)
2571 7cf289ca 2004-04-06 devnull int obrkstate;
2573 7cf289ca 2004-04-06 devnull int addit;
2575 7cf289ca 2004-04-06 devnull // don't want break before our null item unless the previous item
2576 7cf289ca 2004-04-06 devnull // was also a null item for the purposes of line breaking
2577 7cf289ca 2004-04-06 devnull obrkstate = ps->curstate&(IFbrk|IFbrksp);
2578 7cf289ca 2004-04-06 devnull b = IFnobrk;
2579 7cf289ca 2004-04-06 devnull addit = 0;
2580 7cf289ca 2004-04-06 devnull if(ps->lastit != nil) {
2581 7cf289ca 2004-04-06 devnull if(ps->lastit->tag == Ispacertag) {
2582 7cf289ca 2004-04-06 devnull if(((Ispacer*)ps->lastit)->spkind == ISPvline)
2583 7cf289ca 2004-04-06 devnull b = IFbrk;
2584 7cf289ca 2004-04-06 devnull addit = 1;
2586 7cf289ca 2004-04-06 devnull else if(ps->lastit->tag == Ifloattag)
2587 7cf289ca 2004-04-06 devnull addit = 1;
2589 7cf289ca 2004-04-06 devnull if(addit) {
2590 7cf289ca 2004-04-06 devnull ps->curstate = (ps->curstate&~(IFbrk|IFbrksp))|b;
2591 7cf289ca 2004-04-06 devnull additem(ps, newispacer(ISPvline), nil);
2592 7cf289ca 2004-04-06 devnull ps->curstate = (ps->curstate&~(IFbrk|IFbrksp))|obrkstate;
2594 7cf289ca 2004-04-06 devnull addbrk(ps, 0, clr);
2597 7cf289ca 2004-04-06 devnull // Add a nonbreakable space
2598 7cf289ca 2004-04-06 devnull static void
2599 7cf289ca 2004-04-06 devnull addnbsp(Pstate* ps)
2601 7cf289ca 2004-04-06 devnull // if nbsp comes right where a break was specified,
2602 7cf289ca 2004-04-06 devnull // do the break anyway (nbsp is being used to generate undiscardable
2603 7cf289ca 2004-04-06 devnull // space rather than to prevent a break)
2604 7cf289ca 2004-04-06 devnull if((ps->curstate&IFbrk) == 0)
2605 7cf289ca 2004-04-06 devnull ps->curstate |= IFnobrk;
2606 7cf289ca 2004-04-06 devnull additem(ps, newispacer(ISPhspace), nil);
2607 7cf289ca 2004-04-06 devnull // but definitely no break on next item
2608 7cf289ca 2004-04-06 devnull ps->curstate |= IFnobrk;
2611 7cf289ca 2004-04-06 devnull // Change hang in ps.curstate by delta.
2612 7cf289ca 2004-04-06 devnull // The amount is in 1/10ths of tabs, and is the amount that
2613 7cf289ca 2004-04-06 devnull // the current contiguous set of items with a hang value set
2614 7cf289ca 2004-04-06 devnull // is to be shifted left from its normal (indented) place.
2615 7cf289ca 2004-04-06 devnull static void
2616 7cf289ca 2004-04-06 devnull changehang(Pstate* ps, int delta)
2618 7cf289ca 2004-04-06 devnull int amt;
2620 7cf289ca 2004-04-06 devnull amt = (ps->curstate&IFhangmask) + delta;
2621 7cf289ca 2004-04-06 devnull if(amt < 0) {
2622 7cf289ca 2004-04-06 devnull if(warn)
2623 7cf289ca 2004-04-06 devnull fprint(2, "warning: hang went negative\n");
2624 7cf289ca 2004-04-06 devnull amt = 0;
2626 7cf289ca 2004-04-06 devnull ps->curstate = (ps->curstate&~IFhangmask)|amt;
2629 7cf289ca 2004-04-06 devnull // Change indent in ps.curstate by delta.
2630 7cf289ca 2004-04-06 devnull static void
2631 7cf289ca 2004-04-06 devnull changeindent(Pstate* ps, int delta)
2633 7cf289ca 2004-04-06 devnull int amt;
2635 7cf289ca 2004-04-06 devnull amt = ((ps->curstate&IFindentmask) >> IFindentshift) + delta;
2636 7cf289ca 2004-04-06 devnull if(amt < 0) {
2637 7cf289ca 2004-04-06 devnull if(warn)
2638 7cf289ca 2004-04-06 devnull fprint(2, "warning: indent went negative\n");
2639 7cf289ca 2004-04-06 devnull amt = 0;
2641 7cf289ca 2004-04-06 devnull ps->curstate = (ps->curstate&~IFindentmask)|(amt << IFindentshift);
2644 7cf289ca 2004-04-06 devnull // Push val on top of stack, and also return value pushed
2645 7cf289ca 2004-04-06 devnull static int
2646 7cf289ca 2004-04-06 devnull push(Stack* stk, int val)
2648 7cf289ca 2004-04-06 devnull if(stk->n == Nestmax) {
2649 7cf289ca 2004-04-06 devnull if(warn)
2650 7cf289ca 2004-04-06 devnull fprint(2, "warning: build stack overflow\n");
2653 7cf289ca 2004-04-06 devnull stk->slots[stk->n++] = val;
2654 7cf289ca 2004-04-06 devnull return val;
2657 7cf289ca 2004-04-06 devnull // Pop top of stack
2658 7cf289ca 2004-04-06 devnull static void
2659 7cf289ca 2004-04-06 devnull pop(Stack* stk)
2661 7cf289ca 2004-04-06 devnull if(stk->n > 0)
2662 7cf289ca 2004-04-06 devnull --stk->n;
2665 7cf289ca 2004-04-06 devnull //Return top of stack, using dflt if stack is empty
2666 7cf289ca 2004-04-06 devnull static int
2667 7cf289ca 2004-04-06 devnull top(Stack* stk, int dflt)
2669 7cf289ca 2004-04-06 devnull if(stk->n == 0)
2670 7cf289ca 2004-04-06 devnull return dflt;
2671 7cf289ca 2004-04-06 devnull return stk->slots[stk->n-1];
2674 7cf289ca 2004-04-06 devnull // pop, then return new top, with dflt if empty
2675 7cf289ca 2004-04-06 devnull static int
2676 7cf289ca 2004-04-06 devnull popretnewtop(Stack* stk, int dflt)
2678 7cf289ca 2004-04-06 devnull if(stk->n == 0)
2679 7cf289ca 2004-04-06 devnull return dflt;
2680 7cf289ca 2004-04-06 devnull stk->n--;
2681 7cf289ca 2004-04-06 devnull if(stk->n == 0)
2682 7cf289ca 2004-04-06 devnull return dflt;
2683 7cf289ca 2004-04-06 devnull return stk->slots[stk->n-1];
2686 7cf289ca 2004-04-06 devnull // Copy fromstk entries into tostk
2687 7cf289ca 2004-04-06 devnull static void
2688 7cf289ca 2004-04-06 devnull copystack(Stack* tostk, Stack* fromstk)
2692 7cf289ca 2004-04-06 devnull n = fromstk->n;
2693 7cf289ca 2004-04-06 devnull tostk->n = n;
2694 7cf289ca 2004-04-06 devnull memmove(tostk->slots, fromstk->slots, n*sizeof(int));
2697 7cf289ca 2004-04-06 devnull static void
2698 7cf289ca 2004-04-06 devnull popfontstyle(Pstate* ps)
2700 7cf289ca 2004-04-06 devnull pop(&ps->fntstylestk);
2701 7cf289ca 2004-04-06 devnull setcurfont(ps);
2704 7cf289ca 2004-04-06 devnull static void
2705 7cf289ca 2004-04-06 devnull pushfontstyle(Pstate* ps, int sty)
2707 7cf289ca 2004-04-06 devnull push(&ps->fntstylestk, sty);
2708 7cf289ca 2004-04-06 devnull setcurfont(ps);
2711 7cf289ca 2004-04-06 devnull static void
2712 7cf289ca 2004-04-06 devnull popfontsize(Pstate* ps)
2714 7cf289ca 2004-04-06 devnull pop(&ps->fntsizestk);
2715 7cf289ca 2004-04-06 devnull setcurfont(ps);
2718 7cf289ca 2004-04-06 devnull static void
2719 7cf289ca 2004-04-06 devnull pushfontsize(Pstate* ps, int sz)
2721 7cf289ca 2004-04-06 devnull push(&ps->fntsizestk, sz);
2722 7cf289ca 2004-04-06 devnull setcurfont(ps);
2725 7cf289ca 2004-04-06 devnull static void
2726 7cf289ca 2004-04-06 devnull setcurfont(Pstate* ps)
2728 7cf289ca 2004-04-06 devnull int sty;
2729 7cf289ca 2004-04-06 devnull int sz;
2731 7cf289ca 2004-04-06 devnull sty = top(&ps->fntstylestk, FntR);
2732 7cf289ca 2004-04-06 devnull sz = top(&ps->fntsizestk, Normal);
2733 7cf289ca 2004-04-06 devnull if(sz < Tiny)
2734 7cf289ca 2004-04-06 devnull sz = Tiny;
2735 7cf289ca 2004-04-06 devnull if(sz > Verylarge)
2736 7cf289ca 2004-04-06 devnull sz = Verylarge;
2737 7cf289ca 2004-04-06 devnull ps->curfont = sty*NumSize + sz;
2740 7cf289ca 2004-04-06 devnull static void
2741 7cf289ca 2004-04-06 devnull popjust(Pstate* ps)
2743 7cf289ca 2004-04-06 devnull pop(&ps->juststk);
2744 7cf289ca 2004-04-06 devnull setcurjust(ps);
2747 7cf289ca 2004-04-06 devnull static void
2748 7cf289ca 2004-04-06 devnull pushjust(Pstate* ps, int j)
2750 7cf289ca 2004-04-06 devnull push(&ps->juststk, j);
2751 7cf289ca 2004-04-06 devnull setcurjust(ps);
2754 7cf289ca 2004-04-06 devnull static void
2755 7cf289ca 2004-04-06 devnull setcurjust(Pstate* ps)
2758 7cf289ca 2004-04-06 devnull int state;
2760 7cf289ca 2004-04-06 devnull j = top(&ps->juststk, ALleft);
2761 7cf289ca 2004-04-06 devnull if(j != ps->curjust) {
2762 7cf289ca 2004-04-06 devnull ps->curjust = j;
2763 7cf289ca 2004-04-06 devnull state = ps->curstate;
2764 7cf289ca 2004-04-06 devnull state &= ~(IFrjust|IFcjust);
2765 7cf289ca 2004-04-06 devnull if(j == ALcenter)
2766 7cf289ca 2004-04-06 devnull state |= IFcjust;
2767 7cf289ca 2004-04-06 devnull else if(j == ALright)
2768 7cf289ca 2004-04-06 devnull state |= IFrjust;
2769 7cf289ca 2004-04-06 devnull ps->curstate = state;
2773 7cf289ca 2004-04-06 devnull // Do final rearrangement after table parsing is finished
2774 7cf289ca 2004-04-06 devnull // and assign cells to grid points
2775 7cf289ca 2004-04-06 devnull static void
2776 7cf289ca 2004-04-06 devnull finish_table(Table* t)
2778 7cf289ca 2004-04-06 devnull int ncol;
2779 7cf289ca 2004-04-06 devnull int nrow;
2781 7cf289ca 2004-04-06 devnull Tablerow* rl;
2782 7cf289ca 2004-04-06 devnull Tablecell* cl;
2783 7cf289ca 2004-04-06 devnull int* rowspancnt;
2784 7cf289ca 2004-04-06 devnull Tablecell** rowspancell;
2785 7cf289ca 2004-04-06 devnull int ri;
2786 7cf289ca 2004-04-06 devnull int ci;
2787 7cf289ca 2004-04-06 devnull Tablecell* c;
2788 7cf289ca 2004-04-06 devnull Tablecell* cnext;
2789 7cf289ca 2004-04-06 devnull Tablerow* row;
2790 7cf289ca 2004-04-06 devnull Tablerow* rownext;
2791 7cf289ca 2004-04-06 devnull int rcols;
2792 7cf289ca 2004-04-06 devnull int newncol;
2795 7cf289ca 2004-04-06 devnull int cspan;
2796 7cf289ca 2004-04-06 devnull int rspan;
2799 7cf289ca 2004-04-06 devnull rl = t->rows;
2800 7cf289ca 2004-04-06 devnull t->nrow = nrow = _listlen((List*)rl);
2801 7cf289ca 2004-04-06 devnull t->rows = (Tablerow*)emalloc(nrow * sizeof(Tablerow));
2802 7cf289ca 2004-04-06 devnull ncol = 0;
2803 7cf289ca 2004-04-06 devnull r = nrow - 1;
2804 7cf289ca 2004-04-06 devnull for(row = rl; row != nil; row = rownext) {
2805 7cf289ca 2004-04-06 devnull // copy the data from the allocated Tablerow into the array slot
2806 7cf289ca 2004-04-06 devnull t->rows[r] = *row;
2807 7cf289ca 2004-04-06 devnull rownext = row->next;
2808 7cf289ca 2004-04-06 devnull row = &t->rows[r];
2810 7cf289ca 2004-04-06 devnull rcols = 0;
2811 7cf289ca 2004-04-06 devnull c = row->cells;
2813 7cf289ca 2004-04-06 devnull // If rowspan is > 1 but this is the last row,
2814 7cf289ca 2004-04-06 devnull // reset the rowspan
2815 7cf289ca 2004-04-06 devnull if(c != nil && c->rowspan > 1 && r == nrow-2)
2816 7cf289ca 2004-04-06 devnull c->rowspan = 1;
2818 7cf289ca 2004-04-06 devnull // reverse row->cells list (along nextinrow pointers)
2819 7cf289ca 2004-04-06 devnull row->cells = nil;
2820 7cf289ca 2004-04-06 devnull while(c != nil) {
2821 7cf289ca 2004-04-06 devnull cnext = c->nextinrow;
2822 7cf289ca 2004-04-06 devnull c->nextinrow = row->cells;
2823 7cf289ca 2004-04-06 devnull row->cells = c;
2824 7cf289ca 2004-04-06 devnull rcols += c->colspan;
2825 7cf289ca 2004-04-06 devnull c = cnext;
2827 7cf289ca 2004-04-06 devnull if(rcols > ncol)
2828 7cf289ca 2004-04-06 devnull ncol = rcols;
2830 7cf289ca 2004-04-06 devnull t->ncol = ncol;
2831 7cf289ca 2004-04-06 devnull t->cols = (Tablecol*)emalloc(ncol * sizeof(Tablecol));
2833 7cf289ca 2004-04-06 devnull // Reverse cells just so they are drawn in source order.
2834 7cf289ca 2004-04-06 devnull // Also, trim their contents so they don't end in whitespace.
2835 7cf289ca 2004-04-06 devnull t->cells = (Tablecell*)_revlist((List*)t->cells);
2836 7cf289ca 2004-04-06 devnull for(c = t->cells; c != nil; c= c->next)
2837 7cf289ca 2004-04-06 devnull trim_cell(c);
2838 7cf289ca 2004-04-06 devnull t->grid = (Tablecell***)emalloc(nrow * sizeof(Tablecell**));
2839 7cf289ca 2004-04-06 devnull for(i = 0; i < nrow; i++)
2840 7cf289ca 2004-04-06 devnull t->grid[i] = (Tablecell**)emalloc(ncol * sizeof(Tablecell*));
2842 7cf289ca 2004-04-06 devnull // The following arrays keep track of cells that are spanning
2843 7cf289ca 2004-04-06 devnull // multiple rows; rowspancnt[i] is the number of rows left
2844 7cf289ca 2004-04-06 devnull // to be spanned in column i.
2845 7cf289ca 2004-04-06 devnull // When done, cell's (row,col) is upper left grid point.
2846 7cf289ca 2004-04-06 devnull rowspancnt = (int*)emalloc(ncol * sizeof(int));
2847 7cf289ca 2004-04-06 devnull rowspancell = (Tablecell**)emalloc(ncol * sizeof(Tablecell*));
2848 7cf289ca 2004-04-06 devnull for(ri = 0; ri < nrow; ri++) {
2849 7cf289ca 2004-04-06 devnull row = &t->rows[ri];
2850 7cf289ca 2004-04-06 devnull cl = row->cells;
2851 7cf289ca 2004-04-06 devnull ci = 0;
2852 7cf289ca 2004-04-06 devnull while(ci < ncol || cl != nil) {
2853 7cf289ca 2004-04-06 devnull if(ci < ncol && rowspancnt[ci] > 0) {
2854 7cf289ca 2004-04-06 devnull t->grid[ri][ci] = rowspancell[ci];
2855 7cf289ca 2004-04-06 devnull rowspancnt[ci]--;
2859 7cf289ca 2004-04-06 devnull if(cl == nil) {
2861 7cf289ca 2004-04-06 devnull continue;
2863 7cf289ca 2004-04-06 devnull c = cl;
2864 7cf289ca 2004-04-06 devnull cl = cl->nextinrow;
2865 7cf289ca 2004-04-06 devnull cspan = c->colspan;
2866 7cf289ca 2004-04-06 devnull rspan = c->rowspan;
2867 7cf289ca 2004-04-06 devnull if(ci + cspan > ncol) {
2868 7cf289ca 2004-04-06 devnull // because of row spanning, we calculated
2869 7cf289ca 2004-04-06 devnull // ncol incorrectly; adjust it
2870 7cf289ca 2004-04-06 devnull newncol = ci + cspan;
2871 7cf289ca 2004-04-06 devnull t->cols = (Tablecol*)erealloc(t->cols, newncol * sizeof(Tablecol));
2872 7cf289ca 2004-04-06 devnull rowspancnt = (int*)erealloc(rowspancnt, newncol * sizeof(int));
2873 7cf289ca 2004-04-06 devnull rowspancell = (Tablecell**)erealloc(rowspancell, newncol * sizeof(Tablecell*));
2874 7cf289ca 2004-04-06 devnull k = newncol-ncol;
2875 7cf289ca 2004-04-06 devnull memset(t->cols+ncol, 0, k*sizeof(Tablecol));
2876 7cf289ca 2004-04-06 devnull memset(rowspancnt+ncol, 0, k*sizeof(int));
2877 7cf289ca 2004-04-06 devnull memset(rowspancell+ncol, 0, k*sizeof(Tablecell*));
2878 7cf289ca 2004-04-06 devnull for(j = 0; j < nrow; j++) {
2879 7cf289ca 2004-04-06 devnull t->grid[j] = (Tablecell**)erealloc(t->grid[j], newncol * sizeof(Tablecell*));
2880 7cf289ca 2004-04-06 devnull memset(t->grid[j], 0, k*sizeof(Tablecell*));
2882 7cf289ca 2004-04-06 devnull t->ncol = ncol = newncol;
2884 7cf289ca 2004-04-06 devnull c->row = ri;
2885 7cf289ca 2004-04-06 devnull c->col = ci;
2886 7cf289ca 2004-04-06 devnull for(i = 0; i < cspan; i++) {
2887 7cf289ca 2004-04-06 devnull t->grid[ri][ci] = c;
2888 7cf289ca 2004-04-06 devnull if(rspan > 1) {
2889 7cf289ca 2004-04-06 devnull rowspancnt[ci] = rspan - 1;
2890 7cf289ca 2004-04-06 devnull rowspancell[ci] = c;
2899 7cf289ca 2004-04-06 devnull // Remove tail of cell content until it isn't whitespace.
2900 7cf289ca 2004-04-06 devnull static void
2901 7cf289ca 2004-04-06 devnull trim_cell(Tablecell* c)
2903 7cf289ca 2004-04-06 devnull int dropping;
2904 7cf289ca 2004-04-06 devnull Rune* s;
2905 7cf289ca 2004-04-06 devnull Rune* x;
2906 7cf289ca 2004-04-06 devnull Rune* y;
2907 7cf289ca 2004-04-06 devnull int nx;
2908 7cf289ca 2004-04-06 devnull int ny;
2909 7cf289ca 2004-04-06 devnull Item* p;
2910 7cf289ca 2004-04-06 devnull Itext* q;
2911 7cf289ca 2004-04-06 devnull Item* pprev;
2913 7cf289ca 2004-04-06 devnull dropping = 1;
2914 7cf289ca 2004-04-06 devnull while(c->content != nil && dropping) {
2915 7cf289ca 2004-04-06 devnull p = c->content;
2916 7cf289ca 2004-04-06 devnull pprev = nil;
2917 7cf289ca 2004-04-06 devnull while(p->next != nil) {
2918 7cf289ca 2004-04-06 devnull pprev = p;
2919 7cf289ca 2004-04-06 devnull p = p->next;
2921 7cf289ca 2004-04-06 devnull dropping = 0;
2922 7cf289ca 2004-04-06 devnull if(!(p->state&IFnobrk)) {
2923 7cf289ca 2004-04-06 devnull if(p->tag == Itexttag) {
2924 7cf289ca 2004-04-06 devnull q = (Itext*)p;
2925 7cf289ca 2004-04-06 devnull s = q->s;
2926 7cf289ca 2004-04-06 devnull _splitr(s, _Strlen(s), notwhitespace, &x, &nx, &y, &ny);
2927 7cf289ca 2004-04-06 devnull if(nx != 0 && ny != 0) {
2928 7cf289ca 2004-04-06 devnull q->s = _Strndup(x, nx);
2929 7cf289ca 2004-04-06 devnull free(s);
2934 7cf289ca 2004-04-06 devnull if(dropping) {
2935 7cf289ca 2004-04-06 devnull if(pprev == nil)
2936 7cf289ca 2004-04-06 devnull c->content = nil;
2938 7cf289ca 2004-04-06 devnull pprev->next = nil;
2939 7cf289ca 2004-04-06 devnull freeitem(p);
2944 7cf289ca 2004-04-06 devnull // Caller must free answer (eventually).
2945 7cf289ca 2004-04-06 devnull static Rune*
2946 7cf289ca 2004-04-06 devnull listmark(uchar ty, int n)
2948 7cf289ca 2004-04-06 devnull Rune* s;
2949 7cf289ca 2004-04-06 devnull Rune* t;
2950 7cf289ca 2004-04-06 devnull int n2;
2953 7cf289ca 2004-04-06 devnull s = nil;
2954 7cf289ca 2004-04-06 devnull switch(ty) {
2955 7cf289ca 2004-04-06 devnull case LTdisc:
2956 7cf289ca 2004-04-06 devnull case LTsquare:
2957 7cf289ca 2004-04-06 devnull case LTcircle:
2958 7cf289ca 2004-04-06 devnull s = _newstr(1);
2959 7cf289ca 2004-04-06 devnull s[0] = (ty == LTdisc)? 0x2022 // bullet
2960 7cf289ca 2004-04-06 devnull : ((ty == LTsquare)? 0x220e // filled square
2961 7cf289ca 2004-04-06 devnull : 0x2218); // degree
2962 7cf289ca 2004-04-06 devnull s[1] = 0;
2965 7cf289ca 2004-04-06 devnull case LT1:
2966 7cf289ca 2004-04-06 devnull t = _ltoStr(n);
2967 7cf289ca 2004-04-06 devnull n2 = _Strlen(t);
2968 7cf289ca 2004-04-06 devnull s = _newstr(n2+1);
2969 7cf289ca 2004-04-06 devnull t = _Stradd(s, t, n2);
2970 7cf289ca 2004-04-06 devnull *t++ = '.';
2971 7cf289ca 2004-04-06 devnull *t = 0;
2974 7cf289ca 2004-04-06 devnull case LTa:
2975 7cf289ca 2004-04-06 devnull case LTA:
2978 7cf289ca 2004-04-06 devnull if(n < 0)
2980 7cf289ca 2004-04-06 devnull s = _newstr((n <= 25)? 2 : 3);
2981 7cf289ca 2004-04-06 devnull if(n > 25) {
2982 7cf289ca 2004-04-06 devnull n2 = n%26;
2983 7cf289ca 2004-04-06 devnull n /= 26;
2984 7cf289ca 2004-04-06 devnull if(n2 > 25)
2985 7cf289ca 2004-04-06 devnull n2 = 25;
2986 7cf289ca 2004-04-06 devnull s[i++] = n2 + (ty == LTa)? 'a' : 'A';
2988 7cf289ca 2004-04-06 devnull s[i++] = n + (ty == LTa)? 'a' : 'A';
2989 7cf289ca 2004-04-06 devnull s[i++] = '.';
2990 7cf289ca 2004-04-06 devnull s[i] = 0;
2993 7cf289ca 2004-04-06 devnull case LTi:
2994 7cf289ca 2004-04-06 devnull case LTI:
2995 7cf289ca 2004-04-06 devnull if(n >= NROMAN) {
2996 7cf289ca 2004-04-06 devnull if(warn)
2997 7cf289ca 2004-04-06 devnull fprint(2, "warning: unimplemented roman number > %d\n", NROMAN);
2998 7cf289ca 2004-04-06 devnull n = NROMAN;
3000 7cf289ca 2004-04-06 devnull t = roman[n - 1];
3001 7cf289ca 2004-04-06 devnull n2 = _Strlen(t);
3002 7cf289ca 2004-04-06 devnull s = _newstr(n2+1);
3003 7cf289ca 2004-04-06 devnull for(i = 0; i < n2; i++)
3004 7cf289ca 2004-04-06 devnull s[i] = (ty == LTi)? tolower(t[i]) : t[i];
3005 7cf289ca 2004-04-06 devnull s[i++] = '.';
3006 7cf289ca 2004-04-06 devnull s[i] = 0;
3009 7cf289ca 2004-04-06 devnull return s;
3012 7cf289ca 2004-04-06 devnull // Find map with given name in di.maps.
3013 7cf289ca 2004-04-06 devnull // If not there, add one, copying name.
3014 7cf289ca 2004-04-06 devnull // Ownership of map remains with di->maps list.
3015 7cf289ca 2004-04-06 devnull static Map*
3016 7cf289ca 2004-04-06 devnull getmap(Docinfo* di, Rune* name)
3018 7cf289ca 2004-04-06 devnull Map* m;
3020 7cf289ca 2004-04-06 devnull for(m = di->maps; m != nil; m = m->next) {
3021 7cf289ca 2004-04-06 devnull if(!_Strcmp(name, m->name))
3022 7cf289ca 2004-04-06 devnull return m;
3024 7cf289ca 2004-04-06 devnull m = (Map*)emalloc(sizeof(Map));
3025 7cf289ca 2004-04-06 devnull m->name = _Strdup(name);
3026 7cf289ca 2004-04-06 devnull m->areas = nil;
3027 7cf289ca 2004-04-06 devnull m->next = di->maps;
3028 7cf289ca 2004-04-06 devnull di->maps = m;
3029 7cf289ca 2004-04-06 devnull return m;
3032 7cf289ca 2004-04-06 devnull // Transfers ownership of href to Area
3033 7cf289ca 2004-04-06 devnull static Area*
3034 7cf289ca 2004-04-06 devnull newarea(int shape, Rune* href, int target, Area* link)
3036 7cf289ca 2004-04-06 devnull Area* a;
3038 7cf289ca 2004-04-06 devnull a = (Area*)emalloc(sizeof(Area));
3039 7cf289ca 2004-04-06 devnull a->shape = shape;
3040 7cf289ca 2004-04-06 devnull a->href = href;
3041 7cf289ca 2004-04-06 devnull a->target = target;
3042 7cf289ca 2004-04-06 devnull a->next = link;
3043 7cf289ca 2004-04-06 devnull return a;
3046 7cf289ca 2004-04-06 devnull // Return string value associated with attid in tok, nil if none.
3047 7cf289ca 2004-04-06 devnull // Caller must free the result (eventually).
3048 7cf289ca 2004-04-06 devnull static Rune*
3049 7cf289ca 2004-04-06 devnull aval(Token* tok, int attid)
3051 7cf289ca 2004-04-06 devnull Rune* ans;
3053 7cf289ca 2004-04-06 devnull _tokaval(tok, attid, &ans, 1); // transfers string ownership from token to ans
3054 7cf289ca 2004-04-06 devnull return ans;
3057 7cf289ca 2004-04-06 devnull // Like aval, but use dflt if there was no such attribute in tok.
3058 7cf289ca 2004-04-06 devnull // Caller must free the result (eventually).
3059 7cf289ca 2004-04-06 devnull static Rune*
3060 7cf289ca 2004-04-06 devnull astrval(Token* tok, int attid, Rune* dflt)
3062 7cf289ca 2004-04-06 devnull Rune* ans;
3064 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &ans, 1))
3065 7cf289ca 2004-04-06 devnull return ans; // transfers string ownership from token to ans
3067 7cf289ca 2004-04-06 devnull return _Strdup(dflt);
3070 7cf289ca 2004-04-06 devnull // Here we're supposed to convert to an int,
3071 7cf289ca 2004-04-06 devnull // and have a default when not found
3072 7cf289ca 2004-04-06 devnull static int
3073 7cf289ca 2004-04-06 devnull aintval(Token* tok, int attid, int dflt)
3075 7cf289ca 2004-04-06 devnull Rune* ans;
3077 7cf289ca 2004-04-06 devnull if(!_tokaval(tok, attid, &ans, 0) || ans == nil)
3078 7cf289ca 2004-04-06 devnull return dflt;
3080 7cf289ca 2004-04-06 devnull return toint(ans);
3083 7cf289ca 2004-04-06 devnull // Like aintval, but result should be >= 0
3084 7cf289ca 2004-04-06 devnull static int
3085 7cf289ca 2004-04-06 devnull auintval(Token* tok, int attid, int dflt)
3087 7cf289ca 2004-04-06 devnull Rune* ans;
3090 7cf289ca 2004-04-06 devnull if(!_tokaval(tok, attid, &ans, 0) || ans == nil)
3091 7cf289ca 2004-04-06 devnull return dflt;
3093 7cf289ca 2004-04-06 devnull v = toint(ans);
3094 7cf289ca 2004-04-06 devnull return v >= 0? v : 0;
3098 7cf289ca 2004-04-06 devnull // int conversion, but with possible error check (if warning)
3099 7cf289ca 2004-04-06 devnull static int
3100 7cf289ca 2004-04-06 devnull toint(Rune* s)
3102 7cf289ca 2004-04-06 devnull int ans;
3103 7cf289ca 2004-04-06 devnull Rune* eptr;
3105 7cf289ca 2004-04-06 devnull ans = _Strtol(s, &eptr, 10);
3106 7cf289ca 2004-04-06 devnull if(warn) {
3107 7cf289ca 2004-04-06 devnull if(*eptr != 0) {
3108 7cf289ca 2004-04-06 devnull eptr = _Strclass(eptr, notwhitespace);
3109 7cf289ca 2004-04-06 devnull if(eptr != nil)
3110 7cf289ca 2004-04-06 devnull fprint(2, "warning: expected integer, got %S\n", s);
3113 7cf289ca 2004-04-06 devnull return ans;
3116 7cf289ca 2004-04-06 devnull // Attribute value when need a table to convert strings to ints
3117 7cf289ca 2004-04-06 devnull static int
3118 7cf289ca 2004-04-06 devnull atabval(Token* tok, int attid, StringInt* tab, int ntab, int dflt)
3120 7cf289ca 2004-04-06 devnull Rune* aval;
3121 7cf289ca 2004-04-06 devnull int ans;
3123 7cf289ca 2004-04-06 devnull ans = dflt;
3124 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &aval, 0)) {
3125 7cf289ca 2004-04-06 devnull if(!_lookup(tab, ntab, aval, _Strlen(aval), &ans)) {
3126 7cf289ca 2004-04-06 devnull ans = dflt;
3127 7cf289ca 2004-04-06 devnull if(warn)
3128 7cf289ca 2004-04-06 devnull fprint(2, "warning: name not found in table lookup: %S\n", aval);
3131 7cf289ca 2004-04-06 devnull return ans;
3134 7cf289ca 2004-04-06 devnull // Attribute value when supposed to be a color
3135 7cf289ca 2004-04-06 devnull static int
3136 7cf289ca 2004-04-06 devnull acolorval(Token* tok, int attid, int dflt)
3138 7cf289ca 2004-04-06 devnull Rune* aval;
3139 7cf289ca 2004-04-06 devnull int ans;
3141 7cf289ca 2004-04-06 devnull ans = dflt;
3142 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &aval, 0))
3143 7cf289ca 2004-04-06 devnull ans = color(aval, dflt);
3144 7cf289ca 2004-04-06 devnull return ans;
3147 7cf289ca 2004-04-06 devnull // Attribute value when supposed to be a target frame name
3148 7cf289ca 2004-04-06 devnull static int
3149 7cf289ca 2004-04-06 devnull atargval(Token* tok, int dflt)
3151 7cf289ca 2004-04-06 devnull int ans;
3152 7cf289ca 2004-04-06 devnull Rune* aval;
3154 7cf289ca 2004-04-06 devnull ans = dflt;
3155 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Atarget, &aval, 0)){
3156 7cf289ca 2004-04-06 devnull ans = targetid(aval);
3158 7cf289ca 2004-04-06 devnull return ans;
3161 7cf289ca 2004-04-06 devnull // special for list types, where "i" and "I" are different,
3162 7cf289ca 2004-04-06 devnull // but "square" and "SQUARE" are the same
3163 7cf289ca 2004-04-06 devnull static int
3164 7cf289ca 2004-04-06 devnull listtyval(Token* tok, int dflt)
3166 7cf289ca 2004-04-06 devnull Rune* aval;
3167 7cf289ca 2004-04-06 devnull int ans;
3170 7cf289ca 2004-04-06 devnull ans = dflt;
3171 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Atype, &aval, 0)) {
3172 7cf289ca 2004-04-06 devnull n = _Strlen(aval);
3173 7cf289ca 2004-04-06 devnull if(n == 1) {
3174 7cf289ca 2004-04-06 devnull switch(aval[0]) {
3175 7cf289ca 2004-04-06 devnull case '1':
3176 7cf289ca 2004-04-06 devnull ans = LT1;
3178 7cf289ca 2004-04-06 devnull case 'A':
3179 7cf289ca 2004-04-06 devnull ans = LTA;
3181 7cf289ca 2004-04-06 devnull case 'I':
3182 7cf289ca 2004-04-06 devnull ans = LTI;
3184 7cf289ca 2004-04-06 devnull case 'a':
3185 7cf289ca 2004-04-06 devnull ans = LTa;
3187 7cf289ca 2004-04-06 devnull case 'i':
3188 7cf289ca 2004-04-06 devnull ans = LTi;
3189 7cf289ca 2004-04-06 devnull default:
3190 7cf289ca 2004-04-06 devnull if(warn)
3191 7cf289ca 2004-04-06 devnull fprint(2, "warning: unknown list element type %c\n", aval[0]);
3195 7cf289ca 2004-04-06 devnull if(!_Strncmpci(aval, n, L(Lcircle)))
3196 7cf289ca 2004-04-06 devnull ans = LTcircle;
3197 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(aval, n, L(Ldisc)))
3198 7cf289ca 2004-04-06 devnull ans = LTdisc;
3199 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(aval, n, L(Lsquare)))
3200 7cf289ca 2004-04-06 devnull ans = LTsquare;
3202 7cf289ca 2004-04-06 devnull if(warn)
3203 7cf289ca 2004-04-06 devnull fprint(2, "warning: unknown list element type %S\n", aval);
3207 7cf289ca 2004-04-06 devnull return ans;
3210 7cf289ca 2004-04-06 devnull // Attribute value when value is a URL, possibly relative to base.
3211 7cf289ca 2004-04-06 devnull // FOR NOW: leave the url relative.
3212 7cf289ca 2004-04-06 devnull // Caller must free the result (eventually).
3213 7cf289ca 2004-04-06 devnull static Rune*
3214 7cf289ca 2004-04-06 devnull aurlval(Token* tok, int attid, Rune* dflt, Rune* base)
3216 7cf289ca 2004-04-06 devnull Rune* ans;
3217 7cf289ca 2004-04-06 devnull Rune* url;
3219 7cf289ca 2004-04-06 devnull USED(base);
3220 7cf289ca 2004-04-06 devnull ans = nil;
3221 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &url, 0) && url != nil)
3222 7cf289ca 2004-04-06 devnull ans = removeallwhite(url);
3223 7cf289ca 2004-04-06 devnull if(ans == nil)
3224 7cf289ca 2004-04-06 devnull ans = _Strdup(dflt);
3225 7cf289ca 2004-04-06 devnull return ans;
3228 7cf289ca 2004-04-06 devnull // Return copy of s but with all whitespace (even internal) removed.
3229 7cf289ca 2004-04-06 devnull // This fixes some buggy URL specification strings.
3230 7cf289ca 2004-04-06 devnull static Rune*
3231 7cf289ca 2004-04-06 devnull removeallwhite(Rune* s)
3237 7cf289ca 2004-04-06 devnull Rune* ans;
3240 7cf289ca 2004-04-06 devnull n = _Strlen(s);
3241 7cf289ca 2004-04-06 devnull for(i = 0; i < n; i++) {
3242 7cf289ca 2004-04-06 devnull c = s[i];
3243 7cf289ca 2004-04-06 devnull if(c >= 256 || !isspace(c))
3246 7cf289ca 2004-04-06 devnull if(j < n) {
3247 7cf289ca 2004-04-06 devnull ans = _newstr(j);
3249 7cf289ca 2004-04-06 devnull for(i = 0; i < n; i++) {
3250 7cf289ca 2004-04-06 devnull c = s[i];
3251 7cf289ca 2004-04-06 devnull if(c >= 256 || !isspace(c))
3252 7cf289ca 2004-04-06 devnull ans[j++] = c;
3254 7cf289ca 2004-04-06 devnull ans[j] = 0;
3257 7cf289ca 2004-04-06 devnull ans = _Strdup(s);
3258 7cf289ca 2004-04-06 devnull return ans;
3261 7cf289ca 2004-04-06 devnull // Attribute value when mere presence of attr implies value of 1,
3262 7cf289ca 2004-04-06 devnull // but if there is an integer there, return it as the value.
3263 7cf289ca 2004-04-06 devnull static int
3264 7cf289ca 2004-04-06 devnull aflagval(Token* tok, int attid)
3266 7cf289ca 2004-04-06 devnull int val;
3267 7cf289ca 2004-04-06 devnull Rune* sval;
3269 7cf289ca 2004-04-06 devnull val = 0;
3270 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &sval, 0)) {
3271 7cf289ca 2004-04-06 devnull val = 1;
3272 7cf289ca 2004-04-06 devnull if(sval != nil)
3273 7cf289ca 2004-04-06 devnull val = toint(sval);
3275 7cf289ca 2004-04-06 devnull return val;
3278 7cf289ca 2004-04-06 devnull static Align
3279 7cf289ca 2004-04-06 devnull makealign(int halign, int valign)
3281 7cf289ca 2004-04-06 devnull Align al;
3283 7cf289ca 2004-04-06 devnull al.halign = halign;
3284 7cf289ca 2004-04-06 devnull al.valign = valign;
3285 7cf289ca 2004-04-06 devnull return al;
3288 7cf289ca 2004-04-06 devnull // Make an Align (two alignments, horizontal and vertical)
3289 7cf289ca 2004-04-06 devnull static Align
3290 7cf289ca 2004-04-06 devnull aalign(Token* tok)
3292 7cf289ca 2004-04-06 devnull return makealign(
3293 7cf289ca 2004-04-06 devnull atabval(tok, Aalign, align_tab, NALIGNTAB, ALnone),
3294 7cf289ca 2004-04-06 devnull atabval(tok, Avalign, align_tab, NALIGNTAB, ALnone));
3297 7cf289ca 2004-04-06 devnull // Make a Dimen, based on value of attid attr
3298 7cf289ca 2004-04-06 devnull static Dimen
3299 7cf289ca 2004-04-06 devnull adimen(Token* tok, int attid)
3301 7cf289ca 2004-04-06 devnull Rune* wd;
3303 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &wd, 0))
3304 7cf289ca 2004-04-06 devnull return parsedim(wd, _Strlen(wd));
3306 7cf289ca 2004-04-06 devnull return makedimen(Dnone, 0);
3309 7cf289ca 2004-04-06 devnull // Parse s[0:n] as num[.[num]][unit][%|*]
3310 7cf289ca 2004-04-06 devnull static Dimen
3311 7cf289ca 2004-04-06 devnull parsedim(Rune* s, int ns)
3313 7cf289ca 2004-04-06 devnull int kind;
3314 7cf289ca 2004-04-06 devnull int spec;
3315 7cf289ca 2004-04-06 devnull Rune* l;
3316 7cf289ca 2004-04-06 devnull int nl;
3317 7cf289ca 2004-04-06 devnull Rune* r;
3318 7cf289ca 2004-04-06 devnull int nr;
3319 7cf289ca 2004-04-06 devnull int mul;
3321 7cf289ca 2004-04-06 devnull Rune* f;
3322 7cf289ca 2004-04-06 devnull int nf;
3323 7cf289ca 2004-04-06 devnull int Tkdpi;
3324 7cf289ca 2004-04-06 devnull Rune* units;
3326 7cf289ca 2004-04-06 devnull kind = Dnone;
3327 7cf289ca 2004-04-06 devnull spec = 0;
3328 7cf289ca 2004-04-06 devnull _splitl(s, ns, L(Lnot0to9), &l, &nl, &r, &nr);
3329 7cf289ca 2004-04-06 devnull if(nl != 0) {
3330 7cf289ca 2004-04-06 devnull spec = 1000*_Strtol(l, nil, 10);
3331 7cf289ca 2004-04-06 devnull if(nr > 0 && r[0] == '.') {
3332 7cf289ca 2004-04-06 devnull _splitl(r+1, nr-1, L(Lnot0to9), &f, &nf, &r, &nr);
3333 7cf289ca 2004-04-06 devnull if(nf != 0) {
3334 7cf289ca 2004-04-06 devnull mul = 100;
3335 7cf289ca 2004-04-06 devnull for(i = 0; i < nf; i++) {
3336 7cf289ca 2004-04-06 devnull spec = spec + mul*(f[i]-'0');
3337 7cf289ca 2004-04-06 devnull mul = mul/10;
3341 7cf289ca 2004-04-06 devnull kind = Dpixels;
3342 7cf289ca 2004-04-06 devnull if(nr != 0) {
3343 7cf289ca 2004-04-06 devnull if(nr >= 2) {
3344 7cf289ca 2004-04-06 devnull Tkdpi = 100;
3345 7cf289ca 2004-04-06 devnull units = r;
3346 7cf289ca 2004-04-06 devnull r = r+2;
3347 7cf289ca 2004-04-06 devnull nr -= 2;
3348 7cf289ca 2004-04-06 devnull if(!_Strncmpci(units, 2, L(Lpt)))
3349 7cf289ca 2004-04-06 devnull spec = (spec*Tkdpi)/72;
3350 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lpi)))
3351 7cf289ca 2004-04-06 devnull spec = (spec*12*Tkdpi)/72;
3352 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lin)))
3353 7cf289ca 2004-04-06 devnull spec = spec*Tkdpi;
3354 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lcm)))
3355 7cf289ca 2004-04-06 devnull spec = (spec*100*Tkdpi)/254;
3356 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lmm)))
3357 7cf289ca 2004-04-06 devnull spec = (spec*10*Tkdpi)/254;
3358 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lem)))
3359 7cf289ca 2004-04-06 devnull spec = spec*15;
3361 7cf289ca 2004-04-06 devnull if(warn)
3362 7cf289ca 2004-04-06 devnull fprint(2, "warning: unknown units %C%Cs\n", units[0], units[1]);
3365 7cf289ca 2004-04-06 devnull if(nr >= 1) {
3366 7cf289ca 2004-04-06 devnull if(r[0] == '%')
3367 7cf289ca 2004-04-06 devnull kind = Dpercent;
3368 7cf289ca 2004-04-06 devnull else if(r[0] == '*')
3369 7cf289ca 2004-04-06 devnull kind = Drelative;
3372 7cf289ca 2004-04-06 devnull spec = spec/1000;
3374 7cf289ca 2004-04-06 devnull else if(nr == 1 && r[0] == '*') {
3375 7cf289ca 2004-04-06 devnull spec = 1;
3376 7cf289ca 2004-04-06 devnull kind = Drelative;
3378 7cf289ca 2004-04-06 devnull return makedimen(kind, spec);
3381 7cf289ca 2004-04-06 devnull static void
3382 7cf289ca 2004-04-06 devnull setdimarray(Token* tok, int attid, Dimen** pans, int* panslen)
3384 7cf289ca 2004-04-06 devnull Rune* s;
3385 7cf289ca 2004-04-06 devnull Dimen* d;
3387 7cf289ca 2004-04-06 devnull int nc;
3388 7cf289ca 2004-04-06 devnull Rune* a[SMALLBUFSIZE];
3389 7cf289ca 2004-04-06 devnull int an[SMALLBUFSIZE];
3391 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &s, 0)) {
3392 7cf289ca 2004-04-06 devnull nc = _splitall(s, _Strlen(s), L(Lcommaspace), a, an, SMALLBUFSIZE);
3393 7cf289ca 2004-04-06 devnull if(nc > 0) {
3394 7cf289ca 2004-04-06 devnull d = (Dimen*)emalloc(nc * sizeof(Dimen));
3395 7cf289ca 2004-04-06 devnull for(k = 0; k < nc; k++) {
3396 7cf289ca 2004-04-06 devnull d[k] = parsedim(a[k], an[k]);
3398 7cf289ca 2004-04-06 devnull *pans = d;
3399 7cf289ca 2004-04-06 devnull *panslen = nc;
3400 7cf289ca 2004-04-06 devnull return;
3403 7cf289ca 2004-04-06 devnull *pans = nil;
3404 7cf289ca 2004-04-06 devnull *panslen = 0;
3407 7cf289ca 2004-04-06 devnull static Background
3408 7cf289ca 2004-04-06 devnull makebackground(Rune* imageurl, int color)
3410 7cf289ca 2004-04-06 devnull Background bg;
3412 7cf289ca 2004-04-06 devnull bg.image = imageurl;
3413 7cf289ca 2004-04-06 devnull bg.color = color;
3414 7cf289ca 2004-04-06 devnull return bg;
3417 7cf289ca 2004-04-06 devnull static Item*
3418 7cf289ca 2004-04-06 devnull newitext(Rune* s, int fnt, int fg, int voff, int ul)
3420 7cf289ca 2004-04-06 devnull Itext* t;
3422 7cf289ca 2004-04-06 devnull assert(s != nil);
3423 7cf289ca 2004-04-06 devnull t = (Itext*)emalloc(sizeof(Itext));
3424 7cf289ca 2004-04-06 devnull t->item.tag = Itexttag;
3425 7cf289ca 2004-04-06 devnull t->s = s;
3426 7cf289ca 2004-04-06 devnull t->fnt = fnt;
3427 7cf289ca 2004-04-06 devnull t->fg = fg;
3428 7cf289ca 2004-04-06 devnull t->voff = voff;
3429 7cf289ca 2004-04-06 devnull t->ul = ul;
3430 7cf289ca 2004-04-06 devnull return (Item*)t;
3433 7cf289ca 2004-04-06 devnull static Item*
3434 7cf289ca 2004-04-06 devnull newirule(int align, int size, int noshade, Dimen wspec)
3436 7cf289ca 2004-04-06 devnull Irule* r;
3438 7cf289ca 2004-04-06 devnull r = (Irule*)emalloc(sizeof(Irule));
3439 7cf289ca 2004-04-06 devnull r->item.tag = Iruletag;
3440 7cf289ca 2004-04-06 devnull r->align = align;
3441 7cf289ca 2004-04-06 devnull r->size = size;
3442 7cf289ca 2004-04-06 devnull r->noshade = noshade;
3443 7cf289ca 2004-04-06 devnull r->wspec = wspec;
3444 7cf289ca 2004-04-06 devnull return (Item*)r;
3447 7cf289ca 2004-04-06 devnull // Map is owned elsewhere.
3448 7cf289ca 2004-04-06 devnull static Item*
3449 7cf289ca 2004-04-06 devnull newiimage(Rune* src, Rune* altrep, int align, int width, int height,
3450 7cf289ca 2004-04-06 devnull int hspace, int vspace, int border, int ismap, Map* map)
3452 7cf289ca 2004-04-06 devnull Iimage* i;
3453 7cf289ca 2004-04-06 devnull int state;
3455 7cf289ca 2004-04-06 devnull state = 0;
3456 7cf289ca 2004-04-06 devnull if(ismap)
3457 7cf289ca 2004-04-06 devnull state = IFsmap;
3458 7cf289ca 2004-04-06 devnull i = (Iimage*)emalloc(sizeof(Iimage));
3459 7cf289ca 2004-04-06 devnull i->item.tag = Iimagetag;
3460 7cf289ca 2004-04-06 devnull i->item.state = state;
3461 7cf289ca 2004-04-06 devnull i->imsrc = src;
3462 7cf289ca 2004-04-06 devnull i->altrep = altrep;
3463 7cf289ca 2004-04-06 devnull i->align = align;
3464 7cf289ca 2004-04-06 devnull i->imwidth = width;
3465 7cf289ca 2004-04-06 devnull i->imheight = height;
3466 7cf289ca 2004-04-06 devnull i->hspace = hspace;
3467 7cf289ca 2004-04-06 devnull i->vspace = vspace;
3468 7cf289ca 2004-04-06 devnull i->border = border;
3469 7cf289ca 2004-04-06 devnull i->map = map;
3470 7cf289ca 2004-04-06 devnull i->ctlid = -1;
3471 7cf289ca 2004-04-06 devnull return (Item*)i;
3474 7cf289ca 2004-04-06 devnull static Item*
3475 7cf289ca 2004-04-06 devnull newiformfield(Formfield* ff)
3477 7cf289ca 2004-04-06 devnull Iformfield* f;
3479 7cf289ca 2004-04-06 devnull f = (Iformfield*)emalloc(sizeof(Iformfield));
3480 7cf289ca 2004-04-06 devnull f->item.tag = Iformfieldtag;
3481 7cf289ca 2004-04-06 devnull f->formfield = ff;
3482 7cf289ca 2004-04-06 devnull return (Item*)f;
3485 7cf289ca 2004-04-06 devnull static Item*
3486 7cf289ca 2004-04-06 devnull newitable(Table* tab)
3488 7cf289ca 2004-04-06 devnull Itable* t;
3490 7cf289ca 2004-04-06 devnull t = (Itable*)emalloc(sizeof(Itable));
3491 7cf289ca 2004-04-06 devnull t->item.tag = Itabletag;
3492 7cf289ca 2004-04-06 devnull t->table = tab;
3493 7cf289ca 2004-04-06 devnull return (Item*)t;
3496 7cf289ca 2004-04-06 devnull static Item*
3497 7cf289ca 2004-04-06 devnull newifloat(Item* it, int side)
3499 7cf289ca 2004-04-06 devnull Ifloat* f;
3501 7cf289ca 2004-04-06 devnull f = (Ifloat*)emalloc(sizeof(Ifloat));
3502 7cf289ca 2004-04-06 devnull f->_item.tag = Ifloattag;
3503 7cf289ca 2004-04-06 devnull f->_item.state = IFwrap;
3504 7cf289ca 2004-04-06 devnull f->item = it;
3505 7cf289ca 2004-04-06 devnull f->side = side;
3506 7cf289ca 2004-04-06 devnull return (Item*)f;
3509 7cf289ca 2004-04-06 devnull static Item*
3510 7cf289ca 2004-04-06 devnull newispacer(int spkind)
3512 7cf289ca 2004-04-06 devnull Ispacer* s;
3514 7cf289ca 2004-04-06 devnull s = (Ispacer*)emalloc(sizeof(Ispacer));
3515 7cf289ca 2004-04-06 devnull s->item.tag = Ispacertag;
3516 7cf289ca 2004-04-06 devnull s->spkind = spkind;
3517 7cf289ca 2004-04-06 devnull return (Item*)s;
3520 7cf289ca 2004-04-06 devnull // Free one item (caller must deal with next pointer)
3521 7cf289ca 2004-04-06 devnull static void
3522 7cf289ca 2004-04-06 devnull freeitem(Item* it)
3524 7cf289ca 2004-04-06 devnull Iimage* ii;
3525 7cf289ca 2004-04-06 devnull Genattr* ga;
3527 7cf289ca 2004-04-06 devnull if(it == nil)
3528 7cf289ca 2004-04-06 devnull return;
3530 7cf289ca 2004-04-06 devnull switch(it->tag) {
3531 7cf289ca 2004-04-06 devnull case Itexttag:
3532 7cf289ca 2004-04-06 devnull free(((Itext*)it)->s);
3534 7cf289ca 2004-04-06 devnull case Iimagetag:
3535 7cf289ca 2004-04-06 devnull ii = (Iimage*)it;
3536 7cf289ca 2004-04-06 devnull free(ii->imsrc);
3537 7cf289ca 2004-04-06 devnull free(ii->altrep);
3539 7cf289ca 2004-04-06 devnull case Iformfieldtag:
3540 7cf289ca 2004-04-06 devnull freeformfield(((Iformfield*)it)->formfield);
3542 7cf289ca 2004-04-06 devnull case Itabletag:
3543 7cf289ca 2004-04-06 devnull freetable(((Itable*)it)->table);
3545 7cf289ca 2004-04-06 devnull case Ifloattag:
3546 7cf289ca 2004-04-06 devnull freeitem(((Ifloat*)it)->item);
3549 7cf289ca 2004-04-06 devnull ga = it->genattr;
3550 7cf289ca 2004-04-06 devnull if(ga != nil) {
3551 7cf289ca 2004-04-06 devnull free(ga->id);
3552 7cf289ca 2004-04-06 devnull free(ga->class);
3553 7cf289ca 2004-04-06 devnull free(ga->style);
3554 7cf289ca 2004-04-06 devnull free(ga->title);
3555 7cf289ca 2004-04-06 devnull freescriptevents(ga->events);
3557 7cf289ca 2004-04-06 devnull free(it);
3560 7cf289ca 2004-04-06 devnull // Free list of items chained through next pointer
3562 7cf289ca 2004-04-06 devnull freeitems(Item* ithead)
3564 7cf289ca 2004-04-06 devnull Item* it;
3565 7cf289ca 2004-04-06 devnull Item* itnext;
3567 7cf289ca 2004-04-06 devnull it = ithead;
3568 7cf289ca 2004-04-06 devnull while(it != nil) {
3569 7cf289ca 2004-04-06 devnull itnext = it->next;
3570 7cf289ca 2004-04-06 devnull freeitem(it);
3571 7cf289ca 2004-04-06 devnull it = itnext;
3575 7cf289ca 2004-04-06 devnull static void
3576 7cf289ca 2004-04-06 devnull freeformfield(Formfield* ff)
3578 7cf289ca 2004-04-06 devnull Option* o;
3579 7cf289ca 2004-04-06 devnull Option* onext;
3581 7cf289ca 2004-04-06 devnull if(ff == nil)
3582 7cf289ca 2004-04-06 devnull return;
3584 7cf289ca 2004-04-06 devnull free(ff->name);
3585 7cf289ca 2004-04-06 devnull free(ff->value);
3586 7cf289ca 2004-04-06 devnull for(o = ff->options; o != nil; o = onext) {
3587 7cf289ca 2004-04-06 devnull onext = o->next;
3588 7cf289ca 2004-04-06 devnull free(o->value);
3589 7cf289ca 2004-04-06 devnull free(o->display);
3591 7cf289ca 2004-04-06 devnull free(ff);
3594 7cf289ca 2004-04-06 devnull static void
3595 7cf289ca 2004-04-06 devnull freetable(Table* t)
3598 7cf289ca 2004-04-06 devnull Tablecell* c;
3599 7cf289ca 2004-04-06 devnull Tablecell* cnext;
3601 7cf289ca 2004-04-06 devnull if(t == nil)
3602 7cf289ca 2004-04-06 devnull return;
3604 7cf289ca 2004-04-06 devnull // We'll find all the unique cells via t->cells and next pointers.
3605 7cf289ca 2004-04-06 devnull // (Other pointers to cells in the table are duplicates of these)
3606 7cf289ca 2004-04-06 devnull for(c = t->cells; c != nil; c = cnext) {
3607 7cf289ca 2004-04-06 devnull cnext = c->next;
3608 7cf289ca 2004-04-06 devnull freeitems(c->content);
3610 7cf289ca 2004-04-06 devnull if(t->grid != nil) {
3611 7cf289ca 2004-04-06 devnull for(i = 0; i < t->nrow; i++)
3612 7cf289ca 2004-04-06 devnull free(t->grid[i]);
3613 7cf289ca 2004-04-06 devnull free(t->grid);
3615 7cf289ca 2004-04-06 devnull free(t->rows);
3616 7cf289ca 2004-04-06 devnull free(t->cols);
3617 7cf289ca 2004-04-06 devnull freeitems(t->caption);
3618 7cf289ca 2004-04-06 devnull free(t);
3621 7cf289ca 2004-04-06 devnull static void
3622 7cf289ca 2004-04-06 devnull freeform(Form* f)
3624 7cf289ca 2004-04-06 devnull if(f == nil)
3625 7cf289ca 2004-04-06 devnull return;
3627 7cf289ca 2004-04-06 devnull free(f->name);
3628 7cf289ca 2004-04-06 devnull free(f->action);
3629 7cf289ca 2004-04-06 devnull // Form doesn't own its fields (Iformfield items do)
3630 7cf289ca 2004-04-06 devnull free(f);
3633 7cf289ca 2004-04-06 devnull static void
3634 7cf289ca 2004-04-06 devnull freeforms(Form* fhead)
3636 7cf289ca 2004-04-06 devnull Form* f;
3637 7cf289ca 2004-04-06 devnull Form* fnext;
3639 7cf289ca 2004-04-06 devnull for(f = fhead; f != nil; f = fnext) {
3640 7cf289ca 2004-04-06 devnull fnext = f->next;
3641 7cf289ca 2004-04-06 devnull freeform(f);
3645 7cf289ca 2004-04-06 devnull static void
3646 7cf289ca 2004-04-06 devnull freeanchor(Anchor* a)
3648 7cf289ca 2004-04-06 devnull if(a == nil)
3649 7cf289ca 2004-04-06 devnull return;
3651 7cf289ca 2004-04-06 devnull free(a->name);
3652 7cf289ca 2004-04-06 devnull free(a->href);
3653 7cf289ca 2004-04-06 devnull free(a);
3656 7cf289ca 2004-04-06 devnull static void
3657 7cf289ca 2004-04-06 devnull freeanchors(Anchor* ahead)
3659 7cf289ca 2004-04-06 devnull Anchor* a;
3660 7cf289ca 2004-04-06 devnull Anchor* anext;
3662 7cf289ca 2004-04-06 devnull for(a = ahead; a != nil; a = anext) {
3663 7cf289ca 2004-04-06 devnull anext = a->next;
3664 7cf289ca 2004-04-06 devnull freeanchor(a);
3668 7cf289ca 2004-04-06 devnull static void
3669 7cf289ca 2004-04-06 devnull freedestanchor(DestAnchor* da)
3671 7cf289ca 2004-04-06 devnull if(da == nil)
3672 7cf289ca 2004-04-06 devnull return;
3674 7cf289ca 2004-04-06 devnull free(da->name);
3675 7cf289ca 2004-04-06 devnull free(da);
3678 7cf289ca 2004-04-06 devnull static void
3679 7cf289ca 2004-04-06 devnull freedestanchors(DestAnchor* dahead)
3681 7cf289ca 2004-04-06 devnull DestAnchor* da;
3682 7cf289ca 2004-04-06 devnull DestAnchor* danext;
3684 7cf289ca 2004-04-06 devnull for(da = dahead; da != nil; da = danext) {
3685 7cf289ca 2004-04-06 devnull danext = da->next;
3686 7cf289ca 2004-04-06 devnull freedestanchor(da);
3690 7cf289ca 2004-04-06 devnull static void
3691 7cf289ca 2004-04-06 devnull freearea(Area* a)
3693 7cf289ca 2004-04-06 devnull if(a == nil)
3694 7cf289ca 2004-04-06 devnull return;
3695 7cf289ca 2004-04-06 devnull free(a->href);
3696 7cf289ca 2004-04-06 devnull free(a->coords);
3699 7cf289ca 2004-04-06 devnull static void freekidinfos(Kidinfo* khead);
3701 7cf289ca 2004-04-06 devnull static void
3702 7cf289ca 2004-04-06 devnull freekidinfo(Kidinfo* k)
3704 7cf289ca 2004-04-06 devnull if(k->isframeset) {
3705 7cf289ca 2004-04-06 devnull free(k->rows);
3706 7cf289ca 2004-04-06 devnull free(k->cols);
3707 7cf289ca 2004-04-06 devnull freekidinfos(k->kidinfos);
3710 7cf289ca 2004-04-06 devnull free(k->src);
3711 7cf289ca 2004-04-06 devnull free(k->name);
3713 7cf289ca 2004-04-06 devnull free(k);
3716 7cf289ca 2004-04-06 devnull static void
3717 7cf289ca 2004-04-06 devnull freekidinfos(Kidinfo* khead)
3719 7cf289ca 2004-04-06 devnull Kidinfo* k;
3720 7cf289ca 2004-04-06 devnull Kidinfo* knext;
3722 7cf289ca 2004-04-06 devnull for(k = khead; k != nil; k = knext) {
3723 7cf289ca 2004-04-06 devnull knext = k->next;
3724 7cf289ca 2004-04-06 devnull freekidinfo(k);
3728 7cf289ca 2004-04-06 devnull static void
3729 7cf289ca 2004-04-06 devnull freemap(Map* m)
3731 7cf289ca 2004-04-06 devnull Area* a;
3732 7cf289ca 2004-04-06 devnull Area* anext;
3734 7cf289ca 2004-04-06 devnull if(m == nil)
3735 7cf289ca 2004-04-06 devnull return;
3737 7cf289ca 2004-04-06 devnull free(m->name);
3738 7cf289ca 2004-04-06 devnull for(a = m->areas; a != nil; a = anext) {
3739 7cf289ca 2004-04-06 devnull anext = a->next;
3740 7cf289ca 2004-04-06 devnull freearea(a);
3742 7cf289ca 2004-04-06 devnull free(m);
3745 7cf289ca 2004-04-06 devnull static void
3746 7cf289ca 2004-04-06 devnull freemaps(Map* mhead)
3748 7cf289ca 2004-04-06 devnull Map* m;
3749 7cf289ca 2004-04-06 devnull Map* mnext;
3751 7cf289ca 2004-04-06 devnull for(m = mhead; m != nil; m = mnext) {
3752 7cf289ca 2004-04-06 devnull mnext = m->next;
3753 7cf289ca 2004-04-06 devnull freemap(m);
3758 7cf289ca 2004-04-06 devnull freedocinfo(Docinfo* d)
3760 7cf289ca 2004-04-06 devnull if(d == nil)
3761 7cf289ca 2004-04-06 devnull return;
3762 7cf289ca 2004-04-06 devnull free(d->src);
3763 7cf289ca 2004-04-06 devnull free(d->base);
3764 7cf289ca 2004-04-06 devnull freeitem((Item*)d->backgrounditem);
3765 7cf289ca 2004-04-06 devnull free(d->refresh);
3766 7cf289ca 2004-04-06 devnull freekidinfos(d->kidinfo);
3767 7cf289ca 2004-04-06 devnull freeanchors(d->anchors);
3768 7cf289ca 2004-04-06 devnull freedestanchors(d->dests);
3769 7cf289ca 2004-04-06 devnull freeforms(d->forms);
3770 7cf289ca 2004-04-06 devnull freemaps(d->maps);
3771 7cf289ca 2004-04-06 devnull // tables, images, and formfields are freed when
3772 7cf289ca 2004-04-06 devnull // the items pointing at them are freed
3773 7cf289ca 2004-04-06 devnull free(d);
3776 7cf289ca 2004-04-06 devnull // Currently, someone else owns all the memory
3777 7cf289ca 2004-04-06 devnull // pointed to by things in a Pstate.
3778 7cf289ca 2004-04-06 devnull static void
3779 7cf289ca 2004-04-06 devnull freepstate(Pstate* p)
3781 7cf289ca 2004-04-06 devnull free(p);
3784 7cf289ca 2004-04-06 devnull static void
3785 7cf289ca 2004-04-06 devnull freepstatestack(Pstate* pshead)
3787 7cf289ca 2004-04-06 devnull Pstate* p;
3788 7cf289ca 2004-04-06 devnull Pstate* pnext;
3790 7cf289ca 2004-04-06 devnull for(p = pshead; p != nil; p = pnext) {
3791 7cf289ca 2004-04-06 devnull pnext = p->next;
3792 7cf289ca 2004-04-06 devnull free(p);
3796 7cf289ca 2004-04-06 devnull static int
3797 7cf289ca 2004-04-06 devnull Iconv(Fmt *f)
3799 7cf289ca 2004-04-06 devnull Item* it;
3800 7cf289ca 2004-04-06 devnull Itext* t;
3801 7cf289ca 2004-04-06 devnull Irule* r;
3802 7cf289ca 2004-04-06 devnull Iimage* i;
3803 7cf289ca 2004-04-06 devnull Ifloat* fl;
3804 7cf289ca 2004-04-06 devnull int state;
3805 7cf289ca 2004-04-06 devnull Formfield* ff;
3806 7cf289ca 2004-04-06 devnull Rune* ty;
3807 7cf289ca 2004-04-06 devnull Tablecell* c;
3808 7cf289ca 2004-04-06 devnull Table* tab;
3809 7cf289ca 2004-04-06 devnull char* p;
3810 7cf289ca 2004-04-06 devnull int cl;
3811 7cf289ca 2004-04-06 devnull int hang;
3812 7cf289ca 2004-04-06 devnull int indent;
3813 7cf289ca 2004-04-06 devnull int bi;
3814 7cf289ca 2004-04-06 devnull int nbuf;
3815 7cf289ca 2004-04-06 devnull char buf[BIGBUFSIZE];
3817 7cf289ca 2004-04-06 devnull it = va_arg(f->args, Item*);
3818 7cf289ca 2004-04-06 devnull bi = 0;
3819 7cf289ca 2004-04-06 devnull nbuf = sizeof(buf);
3820 7cf289ca 2004-04-06 devnull state = it->state;
3821 7cf289ca 2004-04-06 devnull nbuf = nbuf-1;
3822 7cf289ca 2004-04-06 devnull if(state&IFbrk) {
3823 7cf289ca 2004-04-06 devnull cl = state&(IFcleft|IFcright);
3824 7cf289ca 2004-04-06 devnull p = "";
3825 7cf289ca 2004-04-06 devnull if(cl) {
3826 7cf289ca 2004-04-06 devnull if(cl == (IFcleft|IFcright))
3827 7cf289ca 2004-04-06 devnull p = " both";
3828 7cf289ca 2004-04-06 devnull else if(cl == IFcleft)
3829 7cf289ca 2004-04-06 devnull p = " left";
3831 7cf289ca 2004-04-06 devnull p = " right";
3833 7cf289ca 2004-04-06 devnull bi = snprint(buf, nbuf, "brk(%d%s)", (state&IFbrksp)? 1 : 0, p);
3835 7cf289ca 2004-04-06 devnull if(state&IFnobrk)
3836 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " nobrk");
3837 7cf289ca 2004-04-06 devnull if(!(state&IFwrap))
3838 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " nowrap");
3839 7cf289ca 2004-04-06 devnull if(state&IFrjust)
3840 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " rjust");
3841 7cf289ca 2004-04-06 devnull if(state&IFcjust)
3842 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " cjust");
3843 7cf289ca 2004-04-06 devnull if(state&IFsmap)
3844 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " smap");
3845 7cf289ca 2004-04-06 devnull indent = (state&IFindentmask) >> IFindentshift;
3846 7cf289ca 2004-04-06 devnull if(indent > 0)
3847 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " indent=%d", indent);
3848 7cf289ca 2004-04-06 devnull hang = state&IFhangmask;
3849 7cf289ca 2004-04-06 devnull if(hang > 0)
3850 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " hang=%d", hang);
3852 7cf289ca 2004-04-06 devnull switch(it->tag) {
3853 7cf289ca 2004-04-06 devnull case Itexttag:
3854 7cf289ca 2004-04-06 devnull t = (Itext*)it;
3855 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " Text '%S', fnt=%d, fg=%x", t->s, t->fnt, t->fg);
3858 7cf289ca 2004-04-06 devnull case Iruletag:
3859 7cf289ca 2004-04-06 devnull r = (Irule*)it;
3860 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Rule size=%d, al=%S, wspec=", r->size, stringalign(r->align));
3861 7cf289ca 2004-04-06 devnull bi += dimprint(buf+bi, nbuf-bi, r->wspec);
3864 7cf289ca 2004-04-06 devnull case Iimagetag:
3865 7cf289ca 2004-04-06 devnull i = (Iimage*)it;
3866 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi,
3867 7cf289ca 2004-04-06 devnull "Image src=%S, alt=%S, al=%S, w=%d, h=%d hsp=%d, vsp=%d, bd=%d, map=%S",
3868 7cf289ca 2004-04-06 devnull i->imsrc, i->altrep? i->altrep : L(Lempty), stringalign(i->align), i->imwidth, i->imheight,
3869 7cf289ca 2004-04-06 devnull i->hspace, i->vspace, i->border, i->map?i->map->name : L(Lempty));
3872 7cf289ca 2004-04-06 devnull case Iformfieldtag:
3873 7cf289ca 2004-04-06 devnull ff = ((Iformfield*)it)->formfield;
3874 7cf289ca 2004-04-06 devnull if(ff->ftype == Ftextarea)
3875 7cf289ca 2004-04-06 devnull ty = L(Ltextarea);
3876 7cf289ca 2004-04-06 devnull else if(ff->ftype == Fselect)
3877 7cf289ca 2004-04-06 devnull ty = L(Lselect);
3879 7cf289ca 2004-04-06 devnull ty = _revlookup(input_tab, NINPUTTAB, ff->ftype);
3880 7cf289ca 2004-04-06 devnull if(ty == nil)
3881 7cf289ca 2004-04-06 devnull ty = L(Lnone);
3883 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Formfield %S, fieldid=%d, formid=%d, name=%S, value=%S",
3884 7cf289ca 2004-04-06 devnull ty, ff->fieldid, ff->form->formid, ff->name? ff->name : L(Lempty),
3885 7cf289ca 2004-04-06 devnull ff->value? ff->value : L(Lempty));
3888 7cf289ca 2004-04-06 devnull case Itabletag:
3889 7cf289ca 2004-04-06 devnull tab = ((Itable*)it)->table;
3890 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Table tableid=%d, width=", tab->tableid);
3891 7cf289ca 2004-04-06 devnull bi += dimprint(buf+bi, nbuf-bi, tab->width);
3892 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, ", nrow=%d, ncol=%d, ncell=%d, totw=%d, toth=%d\n",
3893 7cf289ca 2004-04-06 devnull tab->nrow, tab->ncol, tab->ncell, tab->totw, tab->toth);
3894 7cf289ca 2004-04-06 devnull for(c = tab->cells; c != nil; c = c->next)
3895 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Cell %d.%d, at (%d,%d) ",
3896 7cf289ca 2004-04-06 devnull tab->tableid, c->cellid, c->row, c->col);
3897 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "End of Table %d", tab->tableid);
3900 7cf289ca 2004-04-06 devnull case Ifloattag:
3901 7cf289ca 2004-04-06 devnull fl = (Ifloat*)it;
3902 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Float, x=%d y=%d, side=%S, it=%I",
3903 7cf289ca 2004-04-06 devnull fl->x, fl->y, stringalign(fl->side), fl->item);
3904 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "\n\t");
3907 7cf289ca 2004-04-06 devnull case Ispacertag:
3908 7cf289ca 2004-04-06 devnull p = "";
3909 7cf289ca 2004-04-06 devnull switch(((Ispacer*)it)->spkind) {
3910 7cf289ca 2004-04-06 devnull case ISPnull:
3911 7cf289ca 2004-04-06 devnull p = "null";
3913 7cf289ca 2004-04-06 devnull case ISPvline:
3914 7cf289ca 2004-04-06 devnull p = "vline";
3916 7cf289ca 2004-04-06 devnull case ISPhspace:
3917 7cf289ca 2004-04-06 devnull p = "hspace";
3920 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Spacer %s ", p);
3923 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " w=%d, h=%d, a=%d, anchor=%d\n",
3924 7cf289ca 2004-04-06 devnull it->width, it->height, it->ascent, it->anchorid);
3925 7cf289ca 2004-04-06 devnull buf[bi] = 0;
3926 7cf289ca 2004-04-06 devnull return fmtstrcpy(f, buf);
3929 7cf289ca 2004-04-06 devnull // String version of alignment 'a'
3930 7cf289ca 2004-04-06 devnull static Rune*
3931 7cf289ca 2004-04-06 devnull stringalign(int a)
3933 7cf289ca 2004-04-06 devnull Rune* s;
3935 7cf289ca 2004-04-06 devnull s = _revlookup(align_tab, NALIGNTAB, a);
3936 7cf289ca 2004-04-06 devnull if(s == nil)
3937 7cf289ca 2004-04-06 devnull s = L(Lnone);
3938 7cf289ca 2004-04-06 devnull return s;
3941 7cf289ca 2004-04-06 devnull // Put at most nbuf chars of representation of d into buf,
3942 7cf289ca 2004-04-06 devnull // and return number of characters put
3943 7cf289ca 2004-04-06 devnull static int
3944 7cf289ca 2004-04-06 devnull dimprint(char* buf, int nbuf, Dimen d)
3950 7cf289ca 2004-04-06 devnull n += snprint(buf, nbuf, "%d", dimenspec(d));
3951 7cf289ca 2004-04-06 devnull k = dimenkind(d);
3952 7cf289ca 2004-04-06 devnull if(k == Dpercent)
3953 7cf289ca 2004-04-06 devnull buf[n++] = '%';
3954 7cf289ca 2004-04-06 devnull if(k == Drelative)
3955 7cf289ca 2004-04-06 devnull buf[n++] = '*';
3956 7cf289ca 2004-04-06 devnull return n;
3960 7cf289ca 2004-04-06 devnull printitems(Item* items, char* msg)
3962 7cf289ca 2004-04-06 devnull Item* il;
3964 7cf289ca 2004-04-06 devnull fprint(2, "%s\n", msg);
3965 7cf289ca 2004-04-06 devnull il = items;
3966 7cf289ca 2004-04-06 devnull while(il != nil) {
3967 7cf289ca 2004-04-06 devnull fprint(2, "%I", il);
3968 7cf289ca 2004-04-06 devnull il = il->next;
3972 7cf289ca 2004-04-06 devnull static Genattr*
3973 7cf289ca 2004-04-06 devnull newgenattr(Rune* id, Rune* class, Rune* style, Rune* title, SEvent* events)
3975 7cf289ca 2004-04-06 devnull Genattr* g;
3977 7cf289ca 2004-04-06 devnull g = (Genattr*)emalloc(sizeof(Genattr));
3978 7cf289ca 2004-04-06 devnull g->id = id;
3979 7cf289ca 2004-04-06 devnull g->class = class;
3980 7cf289ca 2004-04-06 devnull g->style = style;
3981 7cf289ca 2004-04-06 devnull g->title = title;
3982 7cf289ca 2004-04-06 devnull g->events = events;
3983 7cf289ca 2004-04-06 devnull return g;
3986 7cf289ca 2004-04-06 devnull static Formfield*
3987 7cf289ca 2004-04-06 devnull newformfield(int ftype, int fieldid, Form* form, Rune* name,
3988 7cf289ca 2004-04-06 devnull Rune* value, int size, int maxlength, Formfield* link)
3990 7cf289ca 2004-04-06 devnull Formfield* ff;
3992 7cf289ca 2004-04-06 devnull ff = (Formfield*)emalloc(sizeof(Formfield));
3993 7cf289ca 2004-04-06 devnull ff->ftype = ftype;
3994 7cf289ca 2004-04-06 devnull ff->fieldid = fieldid;
3995 7cf289ca 2004-04-06 devnull ff->form = form;
3996 7cf289ca 2004-04-06 devnull ff->name = name;
3997 7cf289ca 2004-04-06 devnull ff->value = value;
3998 7cf289ca 2004-04-06 devnull ff->size = size;
3999 7cf289ca 2004-04-06 devnull ff->maxlength = maxlength;
4000 7cf289ca 2004-04-06 devnull ff->ctlid = -1;
4001 7cf289ca 2004-04-06 devnull ff->next = link;
4002 7cf289ca 2004-04-06 devnull return ff;
4005 7cf289ca 2004-04-06 devnull // Transfers ownership of value and display to Option.
4006 7cf289ca 2004-04-06 devnull static Option*
4007 7cf289ca 2004-04-06 devnull newoption(int selected, Rune* value, Rune* display, Option* link)
4009 7cf289ca 2004-04-06 devnull Option *o;
4011 7cf289ca 2004-04-06 devnull o = (Option*)emalloc(sizeof(Option));
4012 7cf289ca 2004-04-06 devnull o->selected = selected;
4013 7cf289ca 2004-04-06 devnull o->value = value;
4014 7cf289ca 2004-04-06 devnull o->display = display;
4015 7cf289ca 2004-04-06 devnull o->next = link;
4016 7cf289ca 2004-04-06 devnull return o;
4019 7cf289ca 2004-04-06 devnull static Form*
4020 7cf289ca 2004-04-06 devnull newform(int formid, Rune* name, Rune* action, int target, int method, Form* link)
4022 7cf289ca 2004-04-06 devnull Form* f;
4024 7cf289ca 2004-04-06 devnull f = (Form*)emalloc(sizeof(Form));
4025 7cf289ca 2004-04-06 devnull f->formid = formid;
4026 7cf289ca 2004-04-06 devnull f->name = name;
4027 7cf289ca 2004-04-06 devnull f->action = action;
4028 7cf289ca 2004-04-06 devnull f->target = target;
4029 7cf289ca 2004-04-06 devnull f->method = method;
4030 7cf289ca 2004-04-06 devnull f->nfields = 0;
4031 7cf289ca 2004-04-06 devnull f->fields = nil;
4032 7cf289ca 2004-04-06 devnull f->next = link;
4033 7cf289ca 2004-04-06 devnull return f;
4036 7cf289ca 2004-04-06 devnull static Table*
4037 7cf289ca 2004-04-06 devnull newtable(int tableid, Align align, Dimen width, int border,
4038 7cf289ca 2004-04-06 devnull int cellspacing, int cellpadding, Background bg, Token* tok, Table* link)
4040 7cf289ca 2004-04-06 devnull Table* t;
4042 7cf289ca 2004-04-06 devnull t = (Table*)emalloc(sizeof(Table));
4043 7cf289ca 2004-04-06 devnull t->tableid = tableid;
4044 7cf289ca 2004-04-06 devnull t->align = align;
4045 7cf289ca 2004-04-06 devnull t->width = width;
4046 7cf289ca 2004-04-06 devnull t->border = border;
4047 7cf289ca 2004-04-06 devnull t->cellspacing = cellspacing;
4048 7cf289ca 2004-04-06 devnull t->cellpadding = cellpadding;
4049 7cf289ca 2004-04-06 devnull t->background = bg;
4050 7cf289ca 2004-04-06 devnull t->caption_place = ALbottom;
4051 7cf289ca 2004-04-06 devnull t->caption_lay = nil;
4052 7cf289ca 2004-04-06 devnull t->tabletok = tok;
4053 7cf289ca 2004-04-06 devnull t->tabletok = nil;
4054 7cf289ca 2004-04-06 devnull t->next = link;
4055 7cf289ca 2004-04-06 devnull return t;
4058 7cf289ca 2004-04-06 devnull static Tablerow*
4059 7cf289ca 2004-04-06 devnull newtablerow(Align align, Background bg, int flags, Tablerow* link)
4061 7cf289ca 2004-04-06 devnull Tablerow* tr;
4063 7cf289ca 2004-04-06 devnull tr = (Tablerow*)emalloc(sizeof(Tablerow));
4064 7cf289ca 2004-04-06 devnull tr->align = align;
4065 7cf289ca 2004-04-06 devnull tr->background = bg;
4066 7cf289ca 2004-04-06 devnull tr->flags = flags;
4067 7cf289ca 2004-04-06 devnull tr->next = link;
4068 7cf289ca 2004-04-06 devnull return tr;
4071 7cf289ca 2004-04-06 devnull static Tablecell*
4072 7cf289ca 2004-04-06 devnull newtablecell(int cellid, int rowspan, int colspan, Align align, Dimen wspec, int hspec,
4073 7cf289ca 2004-04-06 devnull Background bg, int flags, Tablecell* link)
4075 7cf289ca 2004-04-06 devnull Tablecell* c;
4077 7cf289ca 2004-04-06 devnull c = (Tablecell*)emalloc(sizeof(Tablecell));
4078 7cf289ca 2004-04-06 devnull c->cellid = cellid;
4079 7cf289ca 2004-04-06 devnull c->lay = nil;
4080 7cf289ca 2004-04-06 devnull c->rowspan = rowspan;
4081 7cf289ca 2004-04-06 devnull c->colspan = colspan;
4082 7cf289ca 2004-04-06 devnull c->align = align;
4083 7cf289ca 2004-04-06 devnull c->flags = flags;
4084 7cf289ca 2004-04-06 devnull c->wspec = wspec;
4085 7cf289ca 2004-04-06 devnull c->hspec = hspec;
4086 7cf289ca 2004-04-06 devnull c->background = bg;
4087 7cf289ca 2004-04-06 devnull c->next = link;
4088 7cf289ca 2004-04-06 devnull return c;
4091 7cf289ca 2004-04-06 devnull static Anchor*
4092 7cf289ca 2004-04-06 devnull newanchor(int index, Rune* name, Rune* href, int target, Anchor* link)
4094 7cf289ca 2004-04-06 devnull Anchor* a;
4096 7cf289ca 2004-04-06 devnull a = (Anchor*)emalloc(sizeof(Anchor));
4097 7cf289ca 2004-04-06 devnull a->index = index;
4098 7cf289ca 2004-04-06 devnull a->name = name;
4099 7cf289ca 2004-04-06 devnull a->href = href;
4100 7cf289ca 2004-04-06 devnull a->target = target;
4101 7cf289ca 2004-04-06 devnull a->next = link;
4102 7cf289ca 2004-04-06 devnull return a;
4105 7cf289ca 2004-04-06 devnull static DestAnchor*
4106 7cf289ca 2004-04-06 devnull newdestanchor(int index, Rune* name, Item* item, DestAnchor* link)
4108 7cf289ca 2004-04-06 devnull DestAnchor* d;
4110 7cf289ca 2004-04-06 devnull d = (DestAnchor*)emalloc(sizeof(DestAnchor));
4111 7cf289ca 2004-04-06 devnull d->index = index;
4112 7cf289ca 2004-04-06 devnull d->name = name;
4113 7cf289ca 2004-04-06 devnull d->item = item;
4114 7cf289ca 2004-04-06 devnull d->next = link;
4115 7cf289ca 2004-04-06 devnull return d;
4118 7cf289ca 2004-04-06 devnull static SEvent*
4119 7cf289ca 2004-04-06 devnull newscriptevent(int type, Rune* script, SEvent* link)
4121 7cf289ca 2004-04-06 devnull SEvent* ans;
4123 7cf289ca 2004-04-06 devnull ans = (SEvent*)emalloc(sizeof(SEvent));
4124 7cf289ca 2004-04-06 devnull ans->type = type;
4125 7cf289ca 2004-04-06 devnull ans->script = script;
4126 7cf289ca 2004-04-06 devnull ans->next = link;
4127 7cf289ca 2004-04-06 devnull return ans;
4130 7cf289ca 2004-04-06 devnull static void
4131 7cf289ca 2004-04-06 devnull freescriptevents(SEvent* ehead)
4133 7cf289ca 2004-04-06 devnull SEvent* e;
4134 7cf289ca 2004-04-06 devnull SEvent* nexte;
4136 7cf289ca 2004-04-06 devnull e = ehead;
4137 7cf289ca 2004-04-06 devnull while(e != nil) {
4138 7cf289ca 2004-04-06 devnull nexte = e->next;
4139 7cf289ca 2004-04-06 devnull free(e->script);
4140 7cf289ca 2004-04-06 devnull free(e);
4141 7cf289ca 2004-04-06 devnull e = nexte;
4145 7cf289ca 2004-04-06 devnull static Dimen
4146 7cf289ca 2004-04-06 devnull makedimen(int kind, int spec)
4148 7cf289ca 2004-04-06 devnull Dimen d;
4150 7cf289ca 2004-04-06 devnull if(spec&Dkindmask) {
4151 7cf289ca 2004-04-06 devnull if(warn)
4152 7cf289ca 2004-04-06 devnull fprint(2, "warning: dimension spec too big: %d\n", spec);
4153 7cf289ca 2004-04-06 devnull spec = 0;
4155 7cf289ca 2004-04-06 devnull d.kindspec = kind|spec;
4156 7cf289ca 2004-04-06 devnull return d;
4160 7cf289ca 2004-04-06 devnull dimenkind(Dimen d)
4162 7cf289ca 2004-04-06 devnull return (d.kindspec&Dkindmask);
4166 7cf289ca 2004-04-06 devnull dimenspec(Dimen d)
4168 7cf289ca 2004-04-06 devnull return (d.kindspec&Dspecmask);
4171 7cf289ca 2004-04-06 devnull static Kidinfo*
4172 7cf289ca 2004-04-06 devnull newkidinfo(int isframeset, Kidinfo* link)
4174 7cf289ca 2004-04-06 devnull Kidinfo* ki;
4176 7cf289ca 2004-04-06 devnull ki = (Kidinfo*)emalloc(sizeof(Kidinfo));
4177 7cf289ca 2004-04-06 devnull ki->isframeset = isframeset;
4178 7cf289ca 2004-04-06 devnull if(!isframeset) {
4179 7cf289ca 2004-04-06 devnull ki->flags = FRhscrollauto|FRvscrollauto;
4180 7cf289ca 2004-04-06 devnull ki->marginw = FRKIDMARGIN;
4181 7cf289ca 2004-04-06 devnull ki->marginh = FRKIDMARGIN;
4182 7cf289ca 2004-04-06 devnull ki->framebd = 1;
4184 7cf289ca 2004-04-06 devnull ki->next = link;
4185 7cf289ca 2004-04-06 devnull return ki;
4188 7cf289ca 2004-04-06 devnull static Docinfo*
4189 7cf289ca 2004-04-06 devnull newdocinfo(void)
4191 7cf289ca 2004-04-06 devnull Docinfo* d;
4193 7cf289ca 2004-04-06 devnull d = (Docinfo*)emalloc(sizeof(Docinfo));
4194 7cf289ca 2004-04-06 devnull resetdocinfo(d);
4195 7cf289ca 2004-04-06 devnull return d;
4198 7cf289ca 2004-04-06 devnull static void
4199 7cf289ca 2004-04-06 devnull resetdocinfo(Docinfo* d)
4201 7cf289ca 2004-04-06 devnull memset(d, 0, sizeof(Docinfo));
4202 7cf289ca 2004-04-06 devnull d->background = makebackground(nil, White);
4203 7cf289ca 2004-04-06 devnull d->text = Black;
4204 7cf289ca 2004-04-06 devnull d->link = Blue;
4205 7cf289ca 2004-04-06 devnull d->vlink = Blue;
4206 7cf289ca 2004-04-06 devnull d->alink = Blue;
4207 7cf289ca 2004-04-06 devnull d->target = FTself;
4208 7cf289ca 2004-04-06 devnull d->chset = ISO_8859_1;
4209 7cf289ca 2004-04-06 devnull d->scripttype = TextJavascript;
4210 7cf289ca 2004-04-06 devnull d->frameid = -1;
4213 7cf289ca 2004-04-06 devnull // Use targetmap array to keep track of name <-> targetid mapping.
4214 7cf289ca 2004-04-06 devnull // Use real malloc(), and never free
4215 7cf289ca 2004-04-06 devnull static void
4216 7cf289ca 2004-04-06 devnull targetmapinit(void)
4218 7cf289ca 2004-04-06 devnull targetmapsize = 10;
4219 7cf289ca 2004-04-06 devnull targetmap = (StringInt*)emalloc(targetmapsize*sizeof(StringInt));
4220 7cf289ca 2004-04-06 devnull memset(targetmap, 0, targetmapsize*sizeof(StringInt));
4221 7cf289ca 2004-04-06 devnull targetmap[0].key = _Strdup(L(L_top));
4222 7cf289ca 2004-04-06 devnull targetmap[0].val = FTtop;
4223 7cf289ca 2004-04-06 devnull targetmap[1].key = _Strdup(L(L_self));
4224 7cf289ca 2004-04-06 devnull targetmap[1].val = FTself;
4225 7cf289ca 2004-04-06 devnull targetmap[2].key = _Strdup(L(L_parent));
4226 7cf289ca 2004-04-06 devnull targetmap[2].val = FTparent;
4227 7cf289ca 2004-04-06 devnull targetmap[3].key = _Strdup(L(L_blank));
4228 7cf289ca 2004-04-06 devnull targetmap[3].val = FTblank;
4229 7cf289ca 2004-04-06 devnull ntargets = 4;
4233 7cf289ca 2004-04-06 devnull targetid(Rune* s)
4238 7cf289ca 2004-04-06 devnull n = _Strlen(s);
4239 7cf289ca 2004-04-06 devnull if(n == 0)
4240 7cf289ca 2004-04-06 devnull return FTself;
4241 7cf289ca 2004-04-06 devnull for(i = 0; i < ntargets; i++)
4242 7cf289ca 2004-04-06 devnull if(_Strcmp(s, targetmap[i].key) == 0)
4243 7cf289ca 2004-04-06 devnull return targetmap[i].val;
4244 7cf289ca 2004-04-06 devnull if(i >= targetmapsize) {
4245 7cf289ca 2004-04-06 devnull targetmapsize += 10;
4246 7cf289ca 2004-04-06 devnull targetmap = (StringInt*)erealloc(targetmap, targetmapsize*sizeof(StringInt));
4248 7cf289ca 2004-04-06 devnull targetmap[i].key = (Rune*)emalloc((n+1)*sizeof(Rune));
4249 7cf289ca 2004-04-06 devnull memmove(targetmap[i].key, s, (n+1)*sizeof(Rune));
4250 7cf289ca 2004-04-06 devnull targetmap[i].val = i;
4251 7cf289ca 2004-04-06 devnull ntargets++;
4252 7cf289ca 2004-04-06 devnull return i;
4256 7cf289ca 2004-04-06 devnull targetname(int targid)
4260 7cf289ca 2004-04-06 devnull for(i = 0; i < ntargets; i++)
4261 7cf289ca 2004-04-06 devnull if(targetmap[i].val == targid)
4262 7cf289ca 2004-04-06 devnull return targetmap[i].key;
4263 7cf289ca 2004-04-06 devnull return L(Lquestion);
4266 7cf289ca 2004-04-06 devnull // Convert HTML color spec to RGB value, returning dflt if can't.
4267 7cf289ca 2004-04-06 devnull // Argument is supposed to be a valid HTML color, or "".
4268 7cf289ca 2004-04-06 devnull // Return the RGB value of the color, using dflt if s
4269 7cf289ca 2004-04-06 devnull // is nil or an invalid color.
4270 7cf289ca 2004-04-06 devnull static int
4271 7cf289ca 2004-04-06 devnull color(Rune* s, int dflt)
4274 7cf289ca 2004-04-06 devnull Rune* rest;
4276 7cf289ca 2004-04-06 devnull if(s == nil)
4277 7cf289ca 2004-04-06 devnull return dflt;
4278 7cf289ca 2004-04-06 devnull if(_lookup(color_tab, NCOLORS, s, _Strlen(s), &v))
4279 7cf289ca 2004-04-06 devnull return v;
4280 7cf289ca 2004-04-06 devnull if(s[0] == '#')
4282 7cf289ca 2004-04-06 devnull v = _Strtol(s, &rest, 16);
4283 7cf289ca 2004-04-06 devnull if(*rest == 0)
4284 7cf289ca 2004-04-06 devnull return v;
4285 7cf289ca 2004-04-06 devnull return dflt;
4288 7cf289ca 2004-04-06 devnull // Debugging
4290 7cf289ca 2004-04-06 devnull #define HUGEPIX 10000
4292 7cf289ca 2004-04-06 devnull // A "shallow" validitem, that doesn't follow next links
4293 7cf289ca 2004-04-06 devnull // or descend into tables.
4294 7cf289ca 2004-04-06 devnull static int
4295 7cf289ca 2004-04-06 devnull validitem(Item* i)
4297 7cf289ca 2004-04-06 devnull int ok;
4298 7cf289ca 2004-04-06 devnull Itext* ti;
4299 7cf289ca 2004-04-06 devnull Irule* ri;
4300 7cf289ca 2004-04-06 devnull Iimage* ii;
4301 7cf289ca 2004-04-06 devnull Ifloat* fi;
4304 7cf289ca 2004-04-06 devnull ok = (i->tag >= Itexttag && i->tag <= Ispacertag) &&
4305 7cf289ca 2004-04-06 devnull (i->next == nil || validptr(i->next)) &&
4306 7cf289ca 2004-04-06 devnull (i->width >= 0 && i->width < HUGEPIX) &&
4307 7cf289ca 2004-04-06 devnull (i->height >= 0 && i->height < HUGEPIX) &&
4308 7cf289ca 2004-04-06 devnull (i->ascent > -HUGEPIX && i->ascent < HUGEPIX) &&
4309 7cf289ca 2004-04-06 devnull (i->anchorid >= 0) &&
4310 7cf289ca 2004-04-06 devnull (i->genattr == nil || validptr(i->genattr));
4311 7cf289ca 2004-04-06 devnull // also, could check state for ridiculous combinations
4312 7cf289ca 2004-04-06 devnull // also, could check anchorid for within-doc-range
4314 7cf289ca 2004-04-06 devnull switch(i->tag) {
4315 7cf289ca 2004-04-06 devnull case Itexttag:
4316 7cf289ca 2004-04-06 devnull ti = (Itext*)i;
4317 7cf289ca 2004-04-06 devnull ok = validStr(ti->s) &&
4318 7cf289ca 2004-04-06 devnull (ti->fnt >= 0 && ti->fnt < NumStyle*NumSize) &&
4319 7cf289ca 2004-04-06 devnull (ti->ul == ULnone || ti->ul == ULunder || ti->ul == ULmid);
4321 7cf289ca 2004-04-06 devnull case Iruletag:
4322 7cf289ca 2004-04-06 devnull ri = (Irule*)i;
4323 7cf289ca 2004-04-06 devnull ok = (validvalign(ri->align) || validhalign(ri->align)) &&
4324 7cf289ca 2004-04-06 devnull (ri->size >=0 && ri->size < HUGEPIX);
4326 7cf289ca 2004-04-06 devnull case Iimagetag:
4327 7cf289ca 2004-04-06 devnull ii = (Iimage*)i;
4328 7cf289ca 2004-04-06 devnull ok = (ii->imsrc == nil || validptr(ii->imsrc)) &&
4329 7cf289ca 2004-04-06 devnull (ii->item.width >= 0 && ii->item.width < HUGEPIX) &&
4330 7cf289ca 2004-04-06 devnull (ii->item.height >= 0 && ii->item.height < HUGEPIX) &&
4331 7cf289ca 2004-04-06 devnull (ii->imwidth >= 0 && ii->imwidth < HUGEPIX) &&
4332 7cf289ca 2004-04-06 devnull (ii->imheight >= 0 && ii->imheight < HUGEPIX) &&
4333 7cf289ca 2004-04-06 devnull (ii->altrep == nil || validStr(ii->altrep)) &&
4334 7cf289ca 2004-04-06 devnull (ii->map == nil || validptr(ii->map)) &&
4335 7cf289ca 2004-04-06 devnull (validvalign(ii->align) || validhalign(ii->align)) &&
4336 7cf289ca 2004-04-06 devnull (ii->nextimage == nil || validptr(ii->nextimage));
4338 7cf289ca 2004-04-06 devnull case Iformfieldtag:
4339 7cf289ca 2004-04-06 devnull ok = validformfield(((Iformfield*)i)->formfield);
4341 7cf289ca 2004-04-06 devnull case Itabletag:
4342 7cf289ca 2004-04-06 devnull ok = validptr((Itable*)i);
4344 7cf289ca 2004-04-06 devnull case Ifloattag:
4345 7cf289ca 2004-04-06 devnull fi = (Ifloat*)i;
4346 7cf289ca 2004-04-06 devnull ok = (fi->side == ALleft || fi->side == ALright) &&
4347 7cf289ca 2004-04-06 devnull validitem(fi->item) &&
4348 7cf289ca 2004-04-06 devnull (fi->item->tag == Iimagetag || fi->item->tag == Itabletag);
4350 7cf289ca 2004-04-06 devnull case Ispacertag:
4351 7cf289ca 2004-04-06 devnull a = ((Ispacer*)i)->spkind;
4352 7cf289ca 2004-04-06 devnull ok = a==ISPnull || a==ISPvline || a==ISPhspace || a==ISPgeneral;
4354 7cf289ca 2004-04-06 devnull default:
4355 7cf289ca 2004-04-06 devnull ok = 0;
4357 7cf289ca 2004-04-06 devnull return ok;
4360 7cf289ca 2004-04-06 devnull // "deep" validation, that checks whole list of items,
4361 7cf289ca 2004-04-06 devnull // and descends into tables and floated tables.
4362 7cf289ca 2004-04-06 devnull // nil is ok for argument.
4364 7cf289ca 2004-04-06 devnull validitems(Item* i)
4366 7cf289ca 2004-04-06 devnull int ok;
4367 7cf289ca 2004-04-06 devnull Item* ii;
4369 7cf289ca 2004-04-06 devnull ok = 1;
4370 7cf289ca 2004-04-06 devnull while(i != nil && ok) {
4371 7cf289ca 2004-04-06 devnull ok = validitem(i);
4372 7cf289ca 2004-04-06 devnull if(ok) {
4373 7cf289ca 2004-04-06 devnull if(i->tag == Itabletag) {
4374 7cf289ca 2004-04-06 devnull ok = validtable(((Itable*)i)->table);
4376 7cf289ca 2004-04-06 devnull else if(i->tag == Ifloattag) {
4377 7cf289ca 2004-04-06 devnull ii = ((Ifloat*)i)->item;
4378 7cf289ca 2004-04-06 devnull if(ii->tag == Itabletag)
4379 7cf289ca 2004-04-06 devnull ok = validtable(((Itable*)ii)->table);
4382 7cf289ca 2004-04-06 devnull if(!ok) {
4383 7cf289ca 2004-04-06 devnull fprint(2, "invalid item: %I\n", i);
4385 7cf289ca 2004-04-06 devnull i = i->next;
4387 7cf289ca 2004-04-06 devnull return ok;
4390 7cf289ca 2004-04-06 devnull static int
4391 7cf289ca 2004-04-06 devnull validformfield(Formfield* f)
4393 7cf289ca 2004-04-06 devnull int ok;
4395 7cf289ca 2004-04-06 devnull ok = (f->next == nil || validptr(f->next)) &&
4396 7cf289ca 2004-04-06 devnull (f->ftype >= 0 && f->ftype <= Ftextarea) &&
4397 7cf289ca 2004-04-06 devnull f->fieldid >= 0 &&
4398 7cf289ca 2004-04-06 devnull (f->form == nil || validptr(f->form)) &&
4399 7cf289ca 2004-04-06 devnull (f->name == nil || validStr(f->name)) &&
4400 7cf289ca 2004-04-06 devnull (f->value == nil || validStr(f->value)) &&
4401 7cf289ca 2004-04-06 devnull (f->options == nil || validptr(f->options)) &&
4402 7cf289ca 2004-04-06 devnull (f->image == nil || validitem(f->image)) &&
4403 7cf289ca 2004-04-06 devnull (f->events == nil || validptr(f->events));
4404 7cf289ca 2004-04-06 devnull // when all built, should have f->fieldid < f->form->nfields,
4405 7cf289ca 2004-04-06 devnull // but this may be called during build...
4406 7cf289ca 2004-04-06 devnull return ok;
4409 7cf289ca 2004-04-06 devnull // "deep" validation -- checks cell contents too
4410 7cf289ca 2004-04-06 devnull static int
4411 7cf289ca 2004-04-06 devnull validtable(Table* t)
4413 7cf289ca 2004-04-06 devnull int ok;
4414 7cf289ca 2004-04-06 devnull int i, j;
4415 7cf289ca 2004-04-06 devnull Tablecell* c;
4417 7cf289ca 2004-04-06 devnull ok = (t->next == nil || validptr(t->next)) &&
4418 7cf289ca 2004-04-06 devnull t->nrow >= 0 &&
4419 7cf289ca 2004-04-06 devnull t->ncol >= 0 &&
4420 7cf289ca 2004-04-06 devnull t->ncell >= 0 &&
4421 7cf289ca 2004-04-06 devnull validalign(t->align) &&
4422 7cf289ca 2004-04-06 devnull validdimen(t->width) &&
4423 7cf289ca 2004-04-06 devnull (t->border >= 0 && t->border < HUGEPIX) &&
4424 7cf289ca 2004-04-06 devnull (t->cellspacing >= 0 && t->cellspacing < HUGEPIX) &&
4425 7cf289ca 2004-04-06 devnull (t->cellpadding >= 0 && t->cellpadding < HUGEPIX) &&
4426 7cf289ca 2004-04-06 devnull validitems(t->caption) &&
4427 7cf289ca 2004-04-06 devnull (t->caption_place == ALtop || t->caption_place == ALbottom) &&
4428 7cf289ca 2004-04-06 devnull (t->totw >= 0 && t->totw < HUGEPIX) &&
4429 7cf289ca 2004-04-06 devnull (t->toth >= 0 && t->toth < HUGEPIX) &&
4430 7cf289ca 2004-04-06 devnull (t->tabletok == nil || validptr(t->tabletok));
4431 7cf289ca 2004-04-06 devnull // during parsing, t->rows has list;
4432 7cf289ca 2004-04-06 devnull // only when parsing is done is t->nrow set > 0
4433 7cf289ca 2004-04-06 devnull if(ok && t->nrow > 0 && t->ncol > 0) {
4434 7cf289ca 2004-04-06 devnull // table is "finished"
4435 7cf289ca 2004-04-06 devnull for(i = 0; i < t->nrow && ok; i++)
4436 7cf289ca 2004-04-06 devnull ok = validtablerow(t->rows+i);
4437 7cf289ca 2004-04-06 devnull for(j = 0; j < t->ncol && ok; j++)
4438 7cf289ca 2004-04-06 devnull ok = validtablecol(t->cols+j);
4439 7cf289ca 2004-04-06 devnull for(c = t->cells; c != nil && ok; c = c->next)
4440 7cf289ca 2004-04-06 devnull ok = validtablecell(c);
4441 7cf289ca 2004-04-06 devnull for(i = 0; i < t->nrow && ok; i++)
4442 7cf289ca 2004-04-06 devnull for(j = 0; j < t->ncol && ok; j++)
4443 7cf289ca 2004-04-06 devnull ok = validptr(t->grid[i][j]);
4445 7cf289ca 2004-04-06 devnull return ok;
4448 7cf289ca 2004-04-06 devnull static int
4449 7cf289ca 2004-04-06 devnull validvalign(int a)
4451 7cf289ca 2004-04-06 devnull return a == ALnone || a == ALmiddle || a == ALbottom || a == ALtop || a == ALbaseline;
4454 7cf289ca 2004-04-06 devnull static int
4455 7cf289ca 2004-04-06 devnull validhalign(int a)
4457 7cf289ca 2004-04-06 devnull return a == ALnone || a == ALleft || a == ALcenter || a == ALright ||
4458 7cf289ca 2004-04-06 devnull a == ALjustify || a == ALchar;
4461 7cf289ca 2004-04-06 devnull static int
4462 7cf289ca 2004-04-06 devnull validalign(Align a)
4464 7cf289ca 2004-04-06 devnull return validhalign(a.halign) && validvalign(a.valign);
4467 7cf289ca 2004-04-06 devnull static int
4468 7cf289ca 2004-04-06 devnull validdimen(Dimen d)
4470 7cf289ca 2004-04-06 devnull int ok;
4473 7cf289ca 2004-04-06 devnull ok = 0;
4474 7cf289ca 2004-04-06 devnull s = d.kindspec&Dspecmask;
4475 7cf289ca 2004-04-06 devnull switch(d.kindspec&Dkindmask) {
4476 7cf289ca 2004-04-06 devnull case Dnone:
4477 7cf289ca 2004-04-06 devnull ok = s==0;
4479 7cf289ca 2004-04-06 devnull case Dpixels:
4480 7cf289ca 2004-04-06 devnull ok = s < HUGEPIX;
4482 7cf289ca 2004-04-06 devnull case Dpercent:
4483 7cf289ca 2004-04-06 devnull case Drelative:
4484 7cf289ca 2004-04-06 devnull ok = 1;
4487 7cf289ca 2004-04-06 devnull return ok;
4490 7cf289ca 2004-04-06 devnull static int
4491 7cf289ca 2004-04-06 devnull validtablerow(Tablerow* r)
4493 7cf289ca 2004-04-06 devnull return (r->cells == nil || validptr(r->cells)) &&
4494 7cf289ca 2004-04-06 devnull (r->height >= 0 && r->height < HUGEPIX) &&
4495 7cf289ca 2004-04-06 devnull (r->ascent > -HUGEPIX && r->ascent < HUGEPIX) &&
4496 7cf289ca 2004-04-06 devnull validalign(r->align);
4499 7cf289ca 2004-04-06 devnull static int
4500 7cf289ca 2004-04-06 devnull validtablecol(Tablecol* c)
4502 7cf289ca 2004-04-06 devnull return c->width >= 0 && c->width < HUGEPIX
4503 7cf289ca 2004-04-06 devnull && validalign(c->align);
4506 7cf289ca 2004-04-06 devnull static int
4507 7cf289ca 2004-04-06 devnull validtablecell(Tablecell* c)
4509 7cf289ca 2004-04-06 devnull int ok;
4511 7cf289ca 2004-04-06 devnull ok = (c->next == nil || validptr(c->next)) &&
4512 7cf289ca 2004-04-06 devnull (c->nextinrow == nil || validptr(c->nextinrow)) &&
4513 7cf289ca 2004-04-06 devnull (c->content == nil || validptr(c->content)) &&
4514 7cf289ca 2004-04-06 devnull (c->lay == nil || validptr(c->lay)) &&
4515 7cf289ca 2004-04-06 devnull c->rowspan >= 0 &&
4516 7cf289ca 2004-04-06 devnull c->colspan >= 0 &&
4517 7cf289ca 2004-04-06 devnull validalign(c->align) &&
4518 7cf289ca 2004-04-06 devnull validdimen(c->wspec) &&
4519 7cf289ca 2004-04-06 devnull c->row >= 0 &&
4520 7cf289ca 2004-04-06 devnull c->col >= 0;
4521 7cf289ca 2004-04-06 devnull if(ok) {
4522 7cf289ca 2004-04-06 devnull if(c->content != nil)
4523 7cf289ca 2004-04-06 devnull ok = validitems(c->content);
4525 7cf289ca 2004-04-06 devnull return ok;
4528 7cf289ca 2004-04-06 devnull static int
4529 7cf289ca 2004-04-06 devnull validptr(void* p)
4531 7cf289ca 2004-04-06 devnull // TODO: a better job of this.
4532 7cf289ca 2004-04-06 devnull // For now, just dereference, which cause a bomb
4533 7cf289ca 2004-04-06 devnull // if not valid
4534 7cf289ca 2004-04-06 devnull static char c;
4536 7cf289ca 2004-04-06 devnull c = *((char*)p);
4537 7cf289ca 2004-04-06 devnull return 1;
4540 7cf289ca 2004-04-06 devnull static int
4541 7cf289ca 2004-04-06 devnull validStr(Rune* s)
4543 7cf289ca 2004-04-06 devnull return s != nil && validptr(s);
