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 7cf289ca 2004-04-06 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 7cf289ca 2004-04-06 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 7cf289ca 2004-04-06 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 7cf289ca 2004-04-06 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 7cf289ca 2004-04-06 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 7cf289ca 2004-04-06 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 7cf289ca 2004-04-06 devnull [Taddress] BLBA, [Tblockquote] BLBA, [Tcenter] BL,
170 7cf289ca 2004-04-06 devnull [Tdir] BLBA, [Tdiv] BL, [Tdd] BL, [Tdl] BLBA,
171 7cf289ca 2004-04-06 devnull [Tdt] BL, [Tform] BLBA,
172 7cf289ca 2004-04-06 devnull // headings and tables get breaks added manually
173 7cf289ca 2004-04-06 devnull [Th1] BL, [Th2] BL, [Th3] BL,
174 7cf289ca 2004-04-06 devnull [Th4] BL, [Th5] BL, [Th6] BL,
175 7cf289ca 2004-04-06 devnull [Thr] BL, [Tisindex] BLBA, [Tli] BL, [Tmenu] BLBA,
176 7cf289ca 2004-04-06 devnull [Tol] BLBA, [Tp] BLBA, [Tpre] BLBA,
177 7cf289ca 2004-04-06 devnull [Tul] BLBA
181 7cf289ca 2004-04-06 devnull AGEN = 1
184 7cf289ca 2004-04-06 devnull // attrinfo is information about attributes.
185 7cf289ca 2004-04-06 devnull // The AGEN value means that the attribute is generic (applies to almost all elements)
186 7cf289ca 2004-04-06 devnull static uchar attrinfo[Numattrs]= {
187 7cf289ca 2004-04-06 devnull [Aid] AGEN, [Aclass] AGEN, [Astyle] AGEN, [Atitle] AGEN,
188 7cf289ca 2004-04-06 devnull [Aonblur] AGEN, [Aonchange] AGEN, [Aonclick] AGEN,
189 7cf289ca 2004-04-06 devnull [Aondblclick] AGEN, [Aonfocus] AGEN, [Aonkeypress] AGEN,
190 7cf289ca 2004-04-06 devnull [Aonkeyup] AGEN, [Aonload] AGEN, [Aonmousedown] AGEN,
191 7cf289ca 2004-04-06 devnull [Aonmousemove] AGEN, [Aonmouseout] AGEN, [Aonmouseover] AGEN,
192 7cf289ca 2004-04-06 devnull [Aonmouseup] AGEN, [Aonreset] AGEN, [Aonselect] AGEN,
193 7cf289ca 2004-04-06 devnull [Aonsubmit] AGEN, [Aonunload] AGEN
196 7cf289ca 2004-04-06 devnull static uchar scriptev[Numattrs]= {
197 7cf289ca 2004-04-06 devnull [Aonblur] SEonblur, [Aonchange] SEonchange, [Aonclick] SEonclick,
198 7cf289ca 2004-04-06 devnull [Aondblclick] SEondblclick, [Aonfocus] SEonfocus, [Aonkeypress] SEonkeypress,
199 7cf289ca 2004-04-06 devnull [Aonkeyup] SEonkeyup, [Aonload] SEonload, [Aonmousedown] SEonmousedown,
200 7cf289ca 2004-04-06 devnull [Aonmousemove] SEonmousemove, [Aonmouseout] SEonmouseout, [Aonmouseover] SEonmouseover,
201 7cf289ca 2004-04-06 devnull [Aonmouseup] SEonmouseup, [Aonreset] SEonreset, [Aonselect] SEonselect,
202 7cf289ca 2004-04-06 devnull [Aonsubmit] SEonsubmit, [Aonunload] SEonunload
205 7cf289ca 2004-04-06 devnull // Color lookup table
206 7cf289ca 2004-04-06 devnull static StringInt *color_tab;
207 7cf289ca 2004-04-06 devnull static AsciiInt _color_tab[] = {
208 7cf289ca 2004-04-06 devnull {"aqua", 0x00FFFF},
209 7cf289ca 2004-04-06 devnull {"black", 0x000000},
210 7cf289ca 2004-04-06 devnull {"blue", 0x0000CC},
211 7cf289ca 2004-04-06 devnull {"fuchsia", 0xFF00FF},
212 7cf289ca 2004-04-06 devnull {"gray", 0x808080},
213 7cf289ca 2004-04-06 devnull {"green", 0x008000},
214 7cf289ca 2004-04-06 devnull {"lime", 0x00FF00},
215 7cf289ca 2004-04-06 devnull {"maroon", 0x800000},
216 7cf289ca 2004-04-06 devnull {"navy", 0x000080,},
217 7cf289ca 2004-04-06 devnull {"olive", 0x808000},
218 7cf289ca 2004-04-06 devnull {"purple", 0x800080},
219 7cf289ca 2004-04-06 devnull {"red", 0xFF0000},
220 7cf289ca 2004-04-06 devnull {"silver", 0xC0C0C0},
221 7cf289ca 2004-04-06 devnull {"teal", 0x008080},
222 7cf289ca 2004-04-06 devnull {"white", 0xFFFFFF},
223 7cf289ca 2004-04-06 devnull {"yellow", 0xFFFF00}
225 7cf289ca 2004-04-06 devnull #define NCOLORS (sizeof(color_tab)/sizeof(StringInt))
227 7cf289ca 2004-04-06 devnull static StringInt *targetmap;
228 7cf289ca 2004-04-06 devnull static int targetmapsize;
229 7cf289ca 2004-04-06 devnull static int ntargets;
231 7cf289ca 2004-04-06 devnull static int buildinited = 0;
233 7cf289ca 2004-04-06 devnull #define SMALLBUFSIZE 240
234 7cf289ca 2004-04-06 devnull #define BIGBUFSIZE 2000
236 7cf289ca 2004-04-06 devnull int dbgbuild = 0;
237 7cf289ca 2004-04-06 devnull int warn = 0;
239 7cf289ca 2004-04-06 devnull static Align aalign(Token* tok);
240 7cf289ca 2004-04-06 devnull static int acolorval(Token* tok, int attid, int dflt);
241 7cf289ca 2004-04-06 devnull static void addbrk(Pstate* ps, int sp, int clr);
242 7cf289ca 2004-04-06 devnull static void additem(Pstate* ps, Item* it, Token* tok);
243 7cf289ca 2004-04-06 devnull static void addlinebrk(Pstate* ps, int clr);
244 7cf289ca 2004-04-06 devnull static void addnbsp(Pstate* ps);
245 7cf289ca 2004-04-06 devnull static void addtext(Pstate* ps, Rune* s);
246 7cf289ca 2004-04-06 devnull static Dimen adimen(Token* tok, int attid);
247 7cf289ca 2004-04-06 devnull static int aflagval(Token* tok, int attid);
248 7cf289ca 2004-04-06 devnull static int aintval(Token* tok, int attid, int dflt);
249 7cf289ca 2004-04-06 devnull static Rune* astrval(Token* tok, int attid, Rune* dflt);
250 7cf289ca 2004-04-06 devnull static int atabval(Token* tok, int attid, StringInt* tab, int ntab, int dflt);
251 7cf289ca 2004-04-06 devnull static int atargval(Token* tok, int dflt);
252 7cf289ca 2004-04-06 devnull static int auintval(Token* tok, int attid, int dflt);
253 7cf289ca 2004-04-06 devnull static Rune* aurlval(Token* tok, int attid, Rune* dflt, Rune* base);
254 7cf289ca 2004-04-06 devnull static Rune* aval(Token* tok, int attid);
255 7cf289ca 2004-04-06 devnull static void buildinit(void);
256 7cf289ca 2004-04-06 devnull static Pstate* cell_pstate(Pstate* oldps, int ishead);
257 7cf289ca 2004-04-06 devnull static void changehang(Pstate* ps, int delta);
258 7cf289ca 2004-04-06 devnull static void changeindent(Pstate* ps, int delta);
259 7cf289ca 2004-04-06 devnull static int color(Rune* s, int dflt);
260 7cf289ca 2004-04-06 devnull static void copystack(Stack* tostk, Stack* fromstk);
261 7cf289ca 2004-04-06 devnull static int dimprint(char* buf, int nbuf, Dimen d);
262 7cf289ca 2004-04-06 devnull static Pstate* finishcell(Table* curtab, Pstate* psstk);
263 7cf289ca 2004-04-06 devnull static void finish_table(Table* t);
264 7cf289ca 2004-04-06 devnull static void freeanchor(Anchor* a);
265 7cf289ca 2004-04-06 devnull static void freedestanchor(DestAnchor* da);
266 7cf289ca 2004-04-06 devnull static void freeform(Form* f);
267 7cf289ca 2004-04-06 devnull static void freeformfield(Formfield* ff);
268 7cf289ca 2004-04-06 devnull static void freeitem(Item* it);
269 7cf289ca 2004-04-06 devnull static void freepstate(Pstate* p);
270 7cf289ca 2004-04-06 devnull static void freepstatestack(Pstate* pshead);
271 7cf289ca 2004-04-06 devnull static void freescriptevents(SEvent* ehead);
272 7cf289ca 2004-04-06 devnull static void freetable(Table* t);
273 7cf289ca 2004-04-06 devnull static Map* getmap(Docinfo* di, Rune* name);
274 7cf289ca 2004-04-06 devnull static Rune* getpcdata(Token* toks, int tokslen, int* ptoki);
275 7cf289ca 2004-04-06 devnull static Pstate* lastps(Pstate* psl);
276 7cf289ca 2004-04-06 devnull static Rune* listmark(uchar ty, int n);
277 7cf289ca 2004-04-06 devnull static int listtyval(Token* tok, int dflt);
278 7cf289ca 2004-04-06 devnull static Align makealign(int halign, int valign);
279 7cf289ca 2004-04-06 devnull static Background makebackground(Rune* imgurl, int color);
280 7cf289ca 2004-04-06 devnull static Dimen makedimen(int kind, int spec);
281 7cf289ca 2004-04-06 devnull static Anchor* newanchor(int index, Rune* name, Rune* href, int target, Anchor* link);
282 7cf289ca 2004-04-06 devnull static Area* newarea(int shape, Rune* href, int target, Area* link);
283 7cf289ca 2004-04-06 devnull static DestAnchor* newdestanchor(int index, Rune* name, Item* item, DestAnchor* link);
284 7cf289ca 2004-04-06 devnull static Docinfo* newdocinfo(void);
285 7cf289ca 2004-04-06 devnull static Genattr* newgenattr(Rune* id, Rune* class, Rune* style, Rune* title, SEvent* events);
286 7cf289ca 2004-04-06 devnull static Form* newform(int formid, Rune* name, Rune* action,
287 7cf289ca 2004-04-06 devnull int target, int method, Form* link);
288 7cf289ca 2004-04-06 devnull static Formfield* newformfield(int ftype, int fieldid, Form* form, Rune* name,
289 7cf289ca 2004-04-06 devnull Rune* value, int size, int maxlength, Formfield* link);
290 7cf289ca 2004-04-06 devnull static Item* newifloat(Item* it, int side);
291 7cf289ca 2004-04-06 devnull static Item* newiformfield(Formfield* ff);
292 7cf289ca 2004-04-06 devnull static Item* newiimage(Rune* src, Rune* altrep, int align, int width, int height,
293 7cf289ca 2004-04-06 devnull int hspace, int vspace, int border, int ismap, Map* map);
294 7cf289ca 2004-04-06 devnull static Item* newirule(int align, int size, int noshade, Dimen wspec);
295 7cf289ca 2004-04-06 devnull static Item* newispacer(int spkind);
296 7cf289ca 2004-04-06 devnull static Item* newitable(Table* t);
297 7cf289ca 2004-04-06 devnull static ItemSource* newitemsource(Docinfo* di);
298 7cf289ca 2004-04-06 devnull static Item* newitext(Rune* s, int fnt, int fg, int voff, int ul);
299 7cf289ca 2004-04-06 devnull static Kidinfo* newkidinfo(int isframeset, Kidinfo* link);
300 7cf289ca 2004-04-06 devnull static Option* newoption(int selected, Rune* value, Rune* display, Option* link);
301 7cf289ca 2004-04-06 devnull static Pstate* newpstate(Pstate* link);
302 7cf289ca 2004-04-06 devnull static SEvent* newscriptevent(int type, Rune* script, SEvent* link);
303 7cf289ca 2004-04-06 devnull static Table* newtable(int tableid, Align align, Dimen width, int border,
304 7cf289ca 2004-04-06 devnull int cellspacing, int cellpadding, Background bg, Token* tok, Table* link);
305 7cf289ca 2004-04-06 devnull static Tablecell* newtablecell(int cellid, int rowspan, int colspan, Align align, Dimen wspec,
306 7cf289ca 2004-04-06 devnull int hspec, Background bg, int flags, Tablecell* link);
307 7cf289ca 2004-04-06 devnull static Tablerow* newtablerow(Align align, Background bg, int flags, Tablerow* link);
308 7cf289ca 2004-04-06 devnull static Dimen parsedim(Rune* s, int ns);
309 7cf289ca 2004-04-06 devnull static void pop(Stack* stk);
310 7cf289ca 2004-04-06 devnull static void popfontsize(Pstate* ps);
311 7cf289ca 2004-04-06 devnull static void popfontstyle(Pstate* ps);
312 7cf289ca 2004-04-06 devnull static void popjust(Pstate* ps);
313 7cf289ca 2004-04-06 devnull static int popretnewtop(Stack* stk, int dflt);
314 7cf289ca 2004-04-06 devnull static int push(Stack* stk, int val);
315 7cf289ca 2004-04-06 devnull static void pushfontsize(Pstate* ps, int sz);
316 7cf289ca 2004-04-06 devnull static void pushfontstyle(Pstate* ps, int sty);
317 7cf289ca 2004-04-06 devnull static void pushjust(Pstate* ps, int j);
318 7cf289ca 2004-04-06 devnull static Item* textit(Pstate* ps, Rune* s);
319 7cf289ca 2004-04-06 devnull static Rune* removeallwhite(Rune* s);
320 7cf289ca 2004-04-06 devnull static void resetdocinfo(Docinfo* d);
321 7cf289ca 2004-04-06 devnull static void setcurfont(Pstate* ps);
322 7cf289ca 2004-04-06 devnull static void setcurjust(Pstate* ps);
323 7cf289ca 2004-04-06 devnull static void setdimarray(Token* tok, int attid, Dimen** pans, int* panslen);
324 7cf289ca 2004-04-06 devnull static Rune* stringalign(int a);
325 7cf289ca 2004-04-06 devnull static void targetmapinit(void);
326 7cf289ca 2004-04-06 devnull static int toint(Rune* s);
327 7cf289ca 2004-04-06 devnull static int top(Stack* stk, int dflt);
328 7cf289ca 2004-04-06 devnull static void trim_cell(Tablecell* c);
329 7cf289ca 2004-04-06 devnull static int validalign(Align a);
330 7cf289ca 2004-04-06 devnull static int validdimen(Dimen d);
331 7cf289ca 2004-04-06 devnull static int validformfield(Formfield* f);
332 7cf289ca 2004-04-06 devnull static int validhalign(int a);
333 7cf289ca 2004-04-06 devnull static int validptr(void* p);
334 7cf289ca 2004-04-06 devnull static int validStr(Rune* s);
335 7cf289ca 2004-04-06 devnull static int validtable(Table* t);
336 7cf289ca 2004-04-06 devnull static int validtablerow(Tablerow* r);
337 7cf289ca 2004-04-06 devnull static int validtablecol(Tablecol* c);
338 7cf289ca 2004-04-06 devnull static int validtablecell(Tablecell* c);
339 7cf289ca 2004-04-06 devnull static int validvalign(int a);
340 7cf289ca 2004-04-06 devnull static int Iconv(Fmt *f);
342 7cf289ca 2004-04-06 devnull static void
343 7cf289ca 2004-04-06 devnull buildinit(void)
345 7cf289ca 2004-04-06 devnull runetabinit();
346 7cf289ca 2004-04-06 devnull roman = cvtstringtab(_roman, nelem(_roman));
347 7cf289ca 2004-04-06 devnull color_tab = cvtstringinttab(_color_tab, nelem(_color_tab));
348 7cf289ca 2004-04-06 devnull method_tab = cvtstringinttab(_method_tab, nelem(_method_tab));
349 7cf289ca 2004-04-06 devnull shape_tab = cvtstringinttab(_shape_tab, nelem(_shape_tab));
350 7cf289ca 2004-04-06 devnull fscroll_tab = cvtstringinttab(_fscroll_tab, nelem(_fscroll_tab));
351 7cf289ca 2004-04-06 devnull clear_tab = cvtstringinttab(_clear_tab, nelem(_clear_tab));
352 7cf289ca 2004-04-06 devnull input_tab = cvtstringinttab(_input_tab, nelem(_input_tab));
353 7cf289ca 2004-04-06 devnull align_tab = cvtstringinttab(_align_tab, nelem(_align_tab));
355 7cf289ca 2004-04-06 devnull fmtinstall('I', Iconv);
356 7cf289ca 2004-04-06 devnull targetmapinit();
357 7cf289ca 2004-04-06 devnull buildinited = 1;
360 7cf289ca 2004-04-06 devnull static ItemSource*
361 7cf289ca 2004-04-06 devnull newitemsource(Docinfo* di)
363 7cf289ca 2004-04-06 devnull ItemSource* is;
364 7cf289ca 2004-04-06 devnull Pstate* ps;
366 7cf289ca 2004-04-06 devnull ps = newpstate(nil);
367 7cf289ca 2004-04-06 devnull if(di->mediatype != TextHtml) {
368 7cf289ca 2004-04-06 devnull ps->curstate &= ~IFwrap;
369 7cf289ca 2004-04-06 devnull ps->literal = 1;
370 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntT);
372 7cf289ca 2004-04-06 devnull is = (ItemSource*)emalloc(sizeof(ItemSource));
373 7cf289ca 2004-04-06 devnull is->doc = di;
374 7cf289ca 2004-04-06 devnull is->psstk = ps;
375 7cf289ca 2004-04-06 devnull is->nforms = 0;
376 7cf289ca 2004-04-06 devnull is->ntables = 0;
377 7cf289ca 2004-04-06 devnull is->nanchors = 0;
378 7cf289ca 2004-04-06 devnull is->nframes = 0;
379 7cf289ca 2004-04-06 devnull is->curform = nil;
380 7cf289ca 2004-04-06 devnull is->curmap = nil;
381 7cf289ca 2004-04-06 devnull is->tabstk = nil;
382 7cf289ca 2004-04-06 devnull is->kidstk = nil;
383 7cf289ca 2004-04-06 devnull return is;
386 7cf289ca 2004-04-06 devnull static Item *getitems(ItemSource* is, uchar* data, int datalen);
388 7cf289ca 2004-04-06 devnull // Parse an html document and create a list of layout items.
389 7cf289ca 2004-04-06 devnull // Allocate and return document info in *pdi.
390 7cf289ca 2004-04-06 devnull // When caller is done with the items, it should call
391 7cf289ca 2004-04-06 devnull // freeitems on the returned result, and then
392 7cf289ca 2004-04-06 devnull // freedocinfo(*pdi).
394 7cf289ca 2004-04-06 devnull parsehtml(uchar* data, int datalen, Rune* pagesrc, int mtype, int chset, Docinfo** pdi)
396 7cf289ca 2004-04-06 devnull Item *it;
397 7cf289ca 2004-04-06 devnull Docinfo* di;
398 7cf289ca 2004-04-06 devnull ItemSource* is;
400 7cf289ca 2004-04-06 devnull di = newdocinfo();
401 7cf289ca 2004-04-06 devnull di->src = _Strdup(pagesrc);
402 7cf289ca 2004-04-06 devnull di->base = _Strdup(pagesrc);
403 7cf289ca 2004-04-06 devnull di->mediatype = mtype;
404 7cf289ca 2004-04-06 devnull di->chset = chset;
405 7cf289ca 2004-04-06 devnull *pdi = di;
406 7cf289ca 2004-04-06 devnull is = newitemsource(di);
407 7cf289ca 2004-04-06 devnull it = getitems(is, data, datalen);
408 7cf289ca 2004-04-06 devnull freepstatestack(is->psstk);
409 7cf289ca 2004-04-06 devnull free(is);
410 7cf289ca 2004-04-06 devnull return it;
413 7cf289ca 2004-04-06 devnull // Get a group of tokens for lexer, parse them, and create
414 7cf289ca 2004-04-06 devnull // a list of layout items.
415 7cf289ca 2004-04-06 devnull // When caller is done with the items, it should call
416 7cf289ca 2004-04-06 devnull // freeitems on the returned result.
417 7cf289ca 2004-04-06 devnull static Item*
418 7cf289ca 2004-04-06 devnull getitems(ItemSource* is, uchar* data, int datalen)
424 7cf289ca 2004-04-06 devnull int doscripts;
425 7cf289ca 2004-04-06 devnull int tokslen;
426 7cf289ca 2004-04-06 devnull int toki;
429 7cf289ca 2004-04-06 devnull int method;
431 7cf289ca 2004-04-06 devnull int nblank;
432 7cf289ca 2004-04-06 devnull int norsz;
433 7cf289ca 2004-04-06 devnull int bramt;
434 7cf289ca 2004-04-06 devnull int sty;
435 7cf289ca 2004-04-06 devnull int nosh;
436 7cf289ca 2004-04-06 devnull int oldcuranchor;
437 7cf289ca 2004-04-06 devnull int dfltbd;
439 7cf289ca 2004-04-06 devnull int hang;
440 7cf289ca 2004-04-06 devnull int isempty;
441 7cf289ca 2004-04-06 devnull int tag;
442 7cf289ca 2004-04-06 devnull int brksp;
443 7cf289ca 2004-04-06 devnull int target;
444 7cf289ca 2004-04-06 devnull uchar brk;
445 7cf289ca 2004-04-06 devnull uchar flags;
446 7cf289ca 2004-04-06 devnull uchar align;
447 7cf289ca 2004-04-06 devnull uchar al;
448 7cf289ca 2004-04-06 devnull uchar ty;
449 7cf289ca 2004-04-06 devnull uchar ty2;
450 7cf289ca 2004-04-06 devnull Pstate* ps;
451 7cf289ca 2004-04-06 devnull Pstate* nextps;
452 7cf289ca 2004-04-06 devnull Pstate* outerps;
453 7cf289ca 2004-04-06 devnull Table* curtab;
454 7cf289ca 2004-04-06 devnull Token* tok;
455 7cf289ca 2004-04-06 devnull Token* toks;
456 7cf289ca 2004-04-06 devnull Docinfo* di;
457 7cf289ca 2004-04-06 devnull Item* ans;
458 7cf289ca 2004-04-06 devnull Item* img;
459 7cf289ca 2004-04-06 devnull Item* ffit;
460 7cf289ca 2004-04-06 devnull Item* tabitem;
461 7cf289ca 2004-04-06 devnull Rune* s;
462 7cf289ca 2004-04-06 devnull Rune* t;
463 7cf289ca 2004-04-06 devnull Rune* name;
464 7cf289ca 2004-04-06 devnull Rune* enctype;
465 7cf289ca 2004-04-06 devnull Rune* usemap;
466 7cf289ca 2004-04-06 devnull Rune* prompt;
467 7cf289ca 2004-04-06 devnull Rune* equiv;
468 7cf289ca 2004-04-06 devnull Rune* val;
469 7cf289ca 2004-04-06 devnull Rune* nsz;
470 7cf289ca 2004-04-06 devnull Rune* script;
471 7cf289ca 2004-04-06 devnull Map* map;
472 7cf289ca 2004-04-06 devnull Form* frm;
473 7cf289ca 2004-04-06 devnull Iimage* ii;
474 7cf289ca 2004-04-06 devnull Kidinfo* kd;
475 7cf289ca 2004-04-06 devnull Kidinfo* ks;
476 7cf289ca 2004-04-06 devnull Kidinfo* pks;
477 7cf289ca 2004-04-06 devnull Dimen wd;
478 7cf289ca 2004-04-06 devnull Option* option;
479 7cf289ca 2004-04-06 devnull Table* tab;
480 7cf289ca 2004-04-06 devnull Tablecell* c;
481 7cf289ca 2004-04-06 devnull Tablerow* tr;
482 7cf289ca 2004-04-06 devnull Formfield* field;
483 7cf289ca 2004-04-06 devnull Formfield* ff;
484 7cf289ca 2004-04-06 devnull Rune* href;
485 7cf289ca 2004-04-06 devnull Rune* src;
486 7cf289ca 2004-04-06 devnull Rune* scriptsrc;
487 7cf289ca 2004-04-06 devnull Rune* bgurl;
488 7cf289ca 2004-04-06 devnull Rune* action;
489 7cf289ca 2004-04-06 devnull Background bg;
491 7cf289ca 2004-04-06 devnull if(!buildinited)
492 7cf289ca 2004-04-06 devnull buildinit();
493 7cf289ca 2004-04-06 devnull doscripts = 0; // for now
494 7cf289ca 2004-04-06 devnull ps = is->psstk;
495 7cf289ca 2004-04-06 devnull curtab = is->tabstk;
496 7cf289ca 2004-04-06 devnull di = is->doc;
497 7cf289ca 2004-04-06 devnull toks = _gettoks(data, datalen, di->chset, di->mediatype, &tokslen);
498 7cf289ca 2004-04-06 devnull toki = 0;
499 7cf289ca 2004-04-06 devnull for(; toki < tokslen; toki++) {
500 7cf289ca 2004-04-06 devnull tok = &toks[toki];
501 7cf289ca 2004-04-06 devnull if(dbgbuild > 1)
502 7cf289ca 2004-04-06 devnull fprint(2, "build: curstate %ux, token %T\n", ps->curstate, tok);
503 7cf289ca 2004-04-06 devnull tag = tok->tag;
504 7cf289ca 2004-04-06 devnull brk = 0;
505 7cf289ca 2004-04-06 devnull brksp = 0;
506 7cf289ca 2004-04-06 devnull if(tag < Numtags) {
507 7cf289ca 2004-04-06 devnull brk = blockbrk[tag];
508 7cf289ca 2004-04-06 devnull if(brk&SPBefore)
509 7cf289ca 2004-04-06 devnull brksp = 1;
511 7cf289ca 2004-04-06 devnull else if(tag < Numtags + RBRA) {
512 7cf289ca 2004-04-06 devnull brk = blockbrk[tag - RBRA];
513 7cf289ca 2004-04-06 devnull if(brk&SPAfter)
514 7cf289ca 2004-04-06 devnull brksp = 1;
516 7cf289ca 2004-04-06 devnull if(brk) {
517 7cf289ca 2004-04-06 devnull addbrk(ps, brksp, 0);
518 7cf289ca 2004-04-06 devnull if(ps->inpar) {
519 7cf289ca 2004-04-06 devnull popjust(ps);
520 7cf289ca 2004-04-06 devnull ps->inpar = 0;
523 7cf289ca 2004-04-06 devnull // check common case first (Data), then switch statement on tag
524 7cf289ca 2004-04-06 devnull if(tag == Data) {
525 7cf289ca 2004-04-06 devnull // Lexing didn't pay attention to SGML record boundary rules:
526 7cf289ca 2004-04-06 devnull // \n after start tag or before end tag to be discarded.
527 7cf289ca 2004-04-06 devnull // (Lex has already discarded all \r's).
528 7cf289ca 2004-04-06 devnull // Some pages assume this doesn't happen in <PRE> text,
529 7cf289ca 2004-04-06 devnull // so we won't do it if literal is true.
530 7cf289ca 2004-04-06 devnull // BUG: won't discard \n before a start tag that begins
531 7cf289ca 2004-04-06 devnull // the next bufferful of tokens.
532 7cf289ca 2004-04-06 devnull s = tok->text;
533 7cf289ca 2004-04-06 devnull n = _Strlen(s);
534 7cf289ca 2004-04-06 devnull if(!ps->literal) {
537 7cf289ca 2004-04-06 devnull if(toki > 0) {
538 7cf289ca 2004-04-06 devnull pt = toks[toki - 1].tag;
539 7cf289ca 2004-04-06 devnull // IE and Netscape both ignore this rule (contrary to spec)
540 7cf289ca 2004-04-06 devnull // if previous tag was img
541 7cf289ca 2004-04-06 devnull if(pt < Numtags && pt != Timg && j > 0 && s[0] == '\n')
544 7cf289ca 2004-04-06 devnull if(toki < tokslen - 1) {
545 7cf289ca 2004-04-06 devnull nt = toks[toki + 1].tag;
546 7cf289ca 2004-04-06 devnull if(nt >= RBRA && nt < Numtags + RBRA && j > i && s[j - 1] == '\n')
549 7cf289ca 2004-04-06 devnull if(i > 0 || j < n) {
551 7cf289ca 2004-04-06 devnull s = _Strsubstr(s, i, j);
552 7cf289ca 2004-04-06 devnull free(t);
553 7cf289ca 2004-04-06 devnull n = j-i;
556 7cf289ca 2004-04-06 devnull if(ps->skipwhite) {
557 7cf289ca 2004-04-06 devnull _trimwhite(s, n, &t, &nt);
558 7cf289ca 2004-04-06 devnull if(t == nil) {
559 7cf289ca 2004-04-06 devnull free(s);
560 7cf289ca 2004-04-06 devnull s = nil;
562 7cf289ca 2004-04-06 devnull else if(t != s) {
563 7cf289ca 2004-04-06 devnull t = _Strndup(t, nt);
564 7cf289ca 2004-04-06 devnull free(s);
567 7cf289ca 2004-04-06 devnull if(s != nil)
568 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
570 7cf289ca 2004-04-06 devnull tok->text = nil; // token doesn't own string anymore
571 7cf289ca 2004-04-06 devnull if(s != nil)
572 7cf289ca 2004-04-06 devnull addtext(ps, s);
575 7cf289ca 2004-04-06 devnull switch(tag) {
576 7cf289ca 2004-04-06 devnull // Some abbrevs used in following DTD comments
577 7cf289ca 2004-04-06 devnull // %text = #PCDATA
578 7cf289ca 2004-04-06 devnull // | TT | I | B | U | STRIKE | BIG | SMALL | SUB | SUP
579 7cf289ca 2004-04-06 devnull // | EM | STRONG | DFN | CODE | SAMP | KBD | VAR | CITE
580 7cf289ca 2004-04-06 devnull // | A | IMG | APPLET | FONT | BASEFONT | BR | SCRIPT | MAP
581 7cf289ca 2004-04-06 devnull // | INPUT | SELECT | TEXTAREA
582 7cf289ca 2004-04-06 devnull // %block = P | UL | OL | DIR | MENU | DL | PRE | DL | DIV | CENTER
583 7cf289ca 2004-04-06 devnull // | BLOCKQUOTE | FORM | ISINDEX | HR | TABLE
584 7cf289ca 2004-04-06 devnull // %flow = (%text | %block)*
585 7cf289ca 2004-04-06 devnull // %body.content = (%heading | %text | %block | ADDRESS)*
587 7cf289ca 2004-04-06 devnull // <!ELEMENT A - - (%text) -(A)>
588 7cf289ca 2004-04-06 devnull // Anchors are not supposed to be nested, but you sometimes see
589 7cf289ca 2004-04-06 devnull // href anchors inside destination anchors.
590 7cf289ca 2004-04-06 devnull case Ta:
591 7cf289ca 2004-04-06 devnull if(ps->curanchor != 0) {
592 7cf289ca 2004-04-06 devnull if(warn)
593 7cf289ca 2004-04-06 devnull fprint(2, "warning: nested <A> or missing </A>\n");
594 7cf289ca 2004-04-06 devnull ps->curanchor = 0;
596 7cf289ca 2004-04-06 devnull name = aval(tok, Aname);
597 7cf289ca 2004-04-06 devnull href = aurlval(tok, Ahref, nil, di->base);
598 7cf289ca 2004-04-06 devnull // ignore rel, rev, and title attrs
599 7cf289ca 2004-04-06 devnull if(href != nil) {
600 7cf289ca 2004-04-06 devnull target = atargval(tok, di->target);
601 7cf289ca 2004-04-06 devnull di->anchors = newanchor(++is->nanchors, name, href, target, di->anchors);
602 7cf289ca 2004-04-06 devnull if(name != nil)
603 7cf289ca 2004-04-06 devnull name = _Strdup(name); // for DestAnchor construction, below
604 7cf289ca 2004-04-06 devnull ps->curanchor = is->nanchors;
605 7cf289ca 2004-04-06 devnull ps->curfg = push(&ps->fgstk, di->link);
606 7cf289ca 2004-04-06 devnull ps->curul = push(&ps->ulstk, ULunder);
608 7cf289ca 2004-04-06 devnull if(name != nil) {
609 7cf289ca 2004-04-06 devnull // add a null item to be destination
610 7cf289ca 2004-04-06 devnull additem(ps, newispacer(ISPnull), tok);
611 7cf289ca 2004-04-06 devnull di->dests = newdestanchor(++is->nanchors, name, ps->lastit, di->dests);
615 7cf289ca 2004-04-06 devnull case Ta+RBRA :
616 7cf289ca 2004-04-06 devnull if(ps->curanchor != 0) {
617 7cf289ca 2004-04-06 devnull ps->curfg = popretnewtop(&ps->fgstk, di->text);
618 7cf289ca 2004-04-06 devnull ps->curul = popretnewtop(&ps->ulstk, ULnone);
619 7cf289ca 2004-04-06 devnull ps->curanchor = 0;
623 7cf289ca 2004-04-06 devnull // <!ELEMENT APPLET - - (PARAM | %text)* >
624 7cf289ca 2004-04-06 devnull // We can't do applets, so ignore PARAMS, and let
625 7cf289ca 2004-04-06 devnull // the %text contents appear for the alternative rep
626 7cf289ca 2004-04-06 devnull case Tapplet:
627 7cf289ca 2004-04-06 devnull case Tapplet+RBRA:
628 7cf289ca 2004-04-06 devnull if(warn && tag == Tapplet)
629 7cf289ca 2004-04-06 devnull fprint(2, "warning: <APPLET> ignored\n");
632 7cf289ca 2004-04-06 devnull // <!ELEMENT AREA - O EMPTY>
633 7cf289ca 2004-04-06 devnull case Tarea:
634 7cf289ca 2004-04-06 devnull map = di->maps;
635 7cf289ca 2004-04-06 devnull if(map == nil) {
636 7cf289ca 2004-04-06 devnull if(warn)
637 7cf289ca 2004-04-06 devnull fprint(2, "warning: <AREA> not inside <MAP>\n");
638 7cf289ca 2004-04-06 devnull continue;
640 7cf289ca 2004-04-06 devnull map->areas = newarea(atabval(tok, Ashape, shape_tab, NSHAPETAB, SHrect),
641 7cf289ca 2004-04-06 devnull aurlval(tok, Ahref, nil, di->base),
642 7cf289ca 2004-04-06 devnull atargval(tok, di->target),
643 7cf289ca 2004-04-06 devnull map->areas);
644 7cf289ca 2004-04-06 devnull setdimarray(tok, Acoords, &map->areas->coords, &map->areas->ncoords);
647 7cf289ca 2004-04-06 devnull // <!ELEMENT (B|STRONG) - - (%text)*>
648 7cf289ca 2004-04-06 devnull case Tb:
649 7cf289ca 2004-04-06 devnull case Tstrong:
650 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntB);
653 7cf289ca 2004-04-06 devnull case Tb+RBRA:
654 7cf289ca 2004-04-06 devnull case Tcite+RBRA:
655 7cf289ca 2004-04-06 devnull case Tcode+RBRA:
656 7cf289ca 2004-04-06 devnull case Tdfn+RBRA:
657 7cf289ca 2004-04-06 devnull case Tem+RBRA:
658 7cf289ca 2004-04-06 devnull case Tkbd+RBRA:
659 7cf289ca 2004-04-06 devnull case Ti+RBRA:
660 7cf289ca 2004-04-06 devnull case Tsamp+RBRA:
661 7cf289ca 2004-04-06 devnull case Tstrong+RBRA:
662 7cf289ca 2004-04-06 devnull case Ttt+RBRA:
663 7cf289ca 2004-04-06 devnull case Tvar+RBRA :
664 7cf289ca 2004-04-06 devnull case Taddress+RBRA:
665 7cf289ca 2004-04-06 devnull popfontstyle(ps);
668 7cf289ca 2004-04-06 devnull // <!ELEMENT BASE - O EMPTY>
669 7cf289ca 2004-04-06 devnull case Tbase:
670 7cf289ca 2004-04-06 devnull t = di->base;
671 7cf289ca 2004-04-06 devnull di->base = aurlval(tok, Ahref, di->base, di->base);
672 7cf289ca 2004-04-06 devnull if(t != nil)
673 7cf289ca 2004-04-06 devnull free(t);
674 7cf289ca 2004-04-06 devnull di->target = atargval(tok, di->target);
677 7cf289ca 2004-04-06 devnull // <!ELEMENT BASEFONT - O EMPTY>
678 7cf289ca 2004-04-06 devnull case Tbasefont:
679 7cf289ca 2004-04-06 devnull ps->adjsize = aintval(tok, Asize, 3) - 3;
682 7cf289ca 2004-04-06 devnull // <!ELEMENT (BIG|SMALL) - - (%text)*>
683 7cf289ca 2004-04-06 devnull case Tbig:
684 7cf289ca 2004-04-06 devnull case Tsmall:
685 7cf289ca 2004-04-06 devnull sz = ps->adjsize;
686 7cf289ca 2004-04-06 devnull if(tag == Tbig)
687 7cf289ca 2004-04-06 devnull sz += Large;
689 7cf289ca 2004-04-06 devnull sz += Small;
690 7cf289ca 2004-04-06 devnull pushfontsize(ps, sz);
693 7cf289ca 2004-04-06 devnull case Tbig+RBRA:
694 7cf289ca 2004-04-06 devnull case Tsmall+RBRA:
695 7cf289ca 2004-04-06 devnull popfontsize(ps);
698 7cf289ca 2004-04-06 devnull // <!ELEMENT BLOCKQUOTE - - %body.content>
699 7cf289ca 2004-04-06 devnull case Tblockquote:
700 7cf289ca 2004-04-06 devnull changeindent(ps, BQTAB);
703 7cf289ca 2004-04-06 devnull case Tblockquote+RBRA:
704 7cf289ca 2004-04-06 devnull changeindent(ps, -BQTAB);
707 7cf289ca 2004-04-06 devnull // <!ELEMENT BODY O O %body.content>
708 7cf289ca 2004-04-06 devnull case Tbody:
709 7cf289ca 2004-04-06 devnull ps->skipping = 0;
710 7cf289ca 2004-04-06 devnull bg = makebackground(nil, acolorval(tok, Abgcolor, di->background.color));
711 7cf289ca 2004-04-06 devnull bgurl = aurlval(tok, Abackground, nil, di->base);
712 7cf289ca 2004-04-06 devnull if(bgurl != nil) {
713 7cf289ca 2004-04-06 devnull if(di->backgrounditem != nil)
714 7cf289ca 2004-04-06 devnull freeitem((Item*)di->backgrounditem);
715 7cf289ca 2004-04-06 devnull // really should remove old item from di->images list,
716 7cf289ca 2004-04-06 devnull // but there should only be one BODY element ...
717 7cf289ca 2004-04-06 devnull di->backgrounditem = (Iimage*)newiimage(bgurl, nil, ALnone, 0, 0, 0, 0, 0, 0, nil);
718 7cf289ca 2004-04-06 devnull di->backgrounditem->nextimage = di->images;
719 7cf289ca 2004-04-06 devnull di->images = di->backgrounditem;
721 7cf289ca 2004-04-06 devnull ps->curbg = bg;
722 7cf289ca 2004-04-06 devnull di->background = bg;
723 7cf289ca 2004-04-06 devnull di->text = acolorval(tok, Atext, di->text);
724 7cf289ca 2004-04-06 devnull di->link = acolorval(tok, Alink, di->link);
725 7cf289ca 2004-04-06 devnull di->vlink = acolorval(tok, Avlink, di->vlink);
726 7cf289ca 2004-04-06 devnull di->alink = acolorval(tok, Aalink, di->alink);
727 7cf289ca 2004-04-06 devnull if(di->text != ps->curfg) {
728 7cf289ca 2004-04-06 devnull ps->curfg = di->text;
729 7cf289ca 2004-04-06 devnull ps->fgstk.n = 0;
733 7cf289ca 2004-04-06 devnull case Tbody+RBRA:
734 7cf289ca 2004-04-06 devnull // HTML spec says ignore things after </body>,
735 7cf289ca 2004-04-06 devnull // but IE and Netscape don't
736 7cf289ca 2004-04-06 devnull // ps.skipping = 1;
739 7cf289ca 2004-04-06 devnull // <!ELEMENT BR - O EMPTY>
740 7cf289ca 2004-04-06 devnull case Tbr:
741 7cf289ca 2004-04-06 devnull addlinebrk(ps, atabval(tok, Aclear, clear_tab, NCLEARTAB, 0));
744 7cf289ca 2004-04-06 devnull // <!ELEMENT CAPTION - - (%text;)*>
745 7cf289ca 2004-04-06 devnull case Tcaption:
746 7cf289ca 2004-04-06 devnull if(curtab == nil) {
747 7cf289ca 2004-04-06 devnull if(warn)
748 7cf289ca 2004-04-06 devnull fprint(2, "warning: <CAPTION> outside <TABLE>\n");
749 7cf289ca 2004-04-06 devnull continue;
751 7cf289ca 2004-04-06 devnull if(curtab->caption != nil) {
752 7cf289ca 2004-04-06 devnull if(warn)
753 7cf289ca 2004-04-06 devnull fprint(2, "warning: more than one <CAPTION> in <TABLE>\n");
754 7cf289ca 2004-04-06 devnull continue;
756 7cf289ca 2004-04-06 devnull ps = newpstate(ps);
757 7cf289ca 2004-04-06 devnull curtab->caption_place = atabval(tok, Aalign, align_tab, NALIGNTAB, ALtop);
760 7cf289ca 2004-04-06 devnull case Tcaption+RBRA:
761 7cf289ca 2004-04-06 devnull nextps = ps->next;
762 7cf289ca 2004-04-06 devnull if(curtab == nil || nextps == nil) {
763 7cf289ca 2004-04-06 devnull if(warn)
764 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </CAPTION>\n");
765 7cf289ca 2004-04-06 devnull continue;
767 7cf289ca 2004-04-06 devnull curtab->caption = ps->items->next;
768 7cf289ca 2004-04-06 devnull free(ps);
769 7cf289ca 2004-04-06 devnull ps = nextps;
772 7cf289ca 2004-04-06 devnull case Tcenter:
773 7cf289ca 2004-04-06 devnull case Tdiv:
774 7cf289ca 2004-04-06 devnull if(tag == Tcenter)
775 7cf289ca 2004-04-06 devnull al = ALcenter;
777 7cf289ca 2004-04-06 devnull al = atabval(tok, Aalign, align_tab, NALIGNTAB, ps->curjust);
778 7cf289ca 2004-04-06 devnull pushjust(ps, al);
781 7cf289ca 2004-04-06 devnull case Tcenter+RBRA:
782 7cf289ca 2004-04-06 devnull case Tdiv+RBRA:
783 7cf289ca 2004-04-06 devnull popjust(ps);
786 7cf289ca 2004-04-06 devnull // <!ELEMENT DD - O %flow >
787 7cf289ca 2004-04-06 devnull case Tdd:
788 7cf289ca 2004-04-06 devnull if(ps->hangstk.n == 0) {
789 7cf289ca 2004-04-06 devnull if(warn)
790 7cf289ca 2004-04-06 devnull fprint(2, "warning: <DD> not inside <DL\n");
791 7cf289ca 2004-04-06 devnull continue;
793 7cf289ca 2004-04-06 devnull h = top(&ps->hangstk, 0);
794 7cf289ca 2004-04-06 devnull if(h != 0)
795 7cf289ca 2004-04-06 devnull changehang(ps, -10*LISTTAB);
797 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
798 7cf289ca 2004-04-06 devnull push(&ps->hangstk, 0);
801 7cf289ca 2004-04-06 devnull //<!ELEMENT (DIR|MENU) - - (LI)+ -(%block) >
802 7cf289ca 2004-04-06 devnull //<!ELEMENT (OL|UL) - - (LI)+>
803 7cf289ca 2004-04-06 devnull case Tdir:
804 7cf289ca 2004-04-06 devnull case Tmenu:
805 7cf289ca 2004-04-06 devnull case Tol:
806 7cf289ca 2004-04-06 devnull case Tul:
807 7cf289ca 2004-04-06 devnull changeindent(ps, LISTTAB);
808 7cf289ca 2004-04-06 devnull push(&ps->listtypestk, listtyval(tok, (tag==Tol)? LT1 : LTdisc));
809 7cf289ca 2004-04-06 devnull push(&ps->listcntstk, aintval(tok, Astart, 1));
812 7cf289ca 2004-04-06 devnull case Tdir+RBRA:
813 7cf289ca 2004-04-06 devnull case Tmenu+RBRA:
814 7cf289ca 2004-04-06 devnull case Tol+RBRA:
815 7cf289ca 2004-04-06 devnull case Tul+RBRA:
816 7cf289ca 2004-04-06 devnull if(ps->listtypestk.n == 0) {
817 7cf289ca 2004-04-06 devnull if(warn)
818 7cf289ca 2004-04-06 devnull fprint(2, "warning: %T ended no list\n", tok);
819 7cf289ca 2004-04-06 devnull continue;
821 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
822 7cf289ca 2004-04-06 devnull pop(&ps->listtypestk);
823 7cf289ca 2004-04-06 devnull pop(&ps->listcntstk);
824 7cf289ca 2004-04-06 devnull changeindent(ps, -LISTTAB);
827 7cf289ca 2004-04-06 devnull // <!ELEMENT DL - - (DT|DD)+ >
828 7cf289ca 2004-04-06 devnull case Tdl:
829 7cf289ca 2004-04-06 devnull changeindent(ps, LISTTAB);
830 7cf289ca 2004-04-06 devnull push(&ps->hangstk, 0);
833 7cf289ca 2004-04-06 devnull case Tdl+RBRA:
834 7cf289ca 2004-04-06 devnull if(ps->hangstk.n == 0) {
835 7cf289ca 2004-04-06 devnull if(warn)
836 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </DL>\n");
837 7cf289ca 2004-04-06 devnull continue;
839 7cf289ca 2004-04-06 devnull changeindent(ps, -LISTTAB);
840 7cf289ca 2004-04-06 devnull if(top(&ps->hangstk, 0) != 0)
841 7cf289ca 2004-04-06 devnull changehang(ps, -10*LISTTAB);
842 7cf289ca 2004-04-06 devnull pop(&ps->hangstk);
845 7cf289ca 2004-04-06 devnull // <!ELEMENT DT - O (%text)* >
846 7cf289ca 2004-04-06 devnull case Tdt:
847 7cf289ca 2004-04-06 devnull if(ps->hangstk.n == 0) {
848 7cf289ca 2004-04-06 devnull if(warn)
849 7cf289ca 2004-04-06 devnull fprint(2, "warning: <DT> not inside <DL>\n");
850 7cf289ca 2004-04-06 devnull continue;
852 7cf289ca 2004-04-06 devnull h = top(&ps->hangstk, 0);
853 7cf289ca 2004-04-06 devnull pop(&ps->hangstk);
854 7cf289ca 2004-04-06 devnull if(h != 0)
855 7cf289ca 2004-04-06 devnull changehang(ps, -10*LISTTAB);
856 7cf289ca 2004-04-06 devnull changehang(ps, 10*LISTTAB);
857 7cf289ca 2004-04-06 devnull push(&ps->hangstk, 1);
860 7cf289ca 2004-04-06 devnull // <!ELEMENT FONT - - (%text)*>
861 7cf289ca 2004-04-06 devnull case Tfont:
862 7cf289ca 2004-04-06 devnull sz = top(&ps->fntsizestk, Normal);
863 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Asize, &nsz, 0)) {
864 7cf289ca 2004-04-06 devnull if(_prefix(L(Lplus), nsz))
865 7cf289ca 2004-04-06 devnull sz = Normal + _Strtol(nsz+1, nil, 10) + ps->adjsize;
866 7cf289ca 2004-04-06 devnull else if(_prefix(L(Lminus), nsz))
867 7cf289ca 2004-04-06 devnull sz = Normal - _Strtol(nsz+1, nil, 10) + ps->adjsize;
868 7cf289ca 2004-04-06 devnull else if(nsz != nil)
869 7cf289ca 2004-04-06 devnull sz = Normal + (_Strtol(nsz, nil, 10) - 3);
871 7cf289ca 2004-04-06 devnull ps->curfg = push(&ps->fgstk, acolorval(tok, Acolor, ps->curfg));
872 7cf289ca 2004-04-06 devnull pushfontsize(ps, sz);
875 7cf289ca 2004-04-06 devnull case Tfont+RBRA:
876 7cf289ca 2004-04-06 devnull if(ps->fgstk.n == 0) {
877 7cf289ca 2004-04-06 devnull if(warn)
878 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </FONT>\n");
879 7cf289ca 2004-04-06 devnull continue;
881 7cf289ca 2004-04-06 devnull ps->curfg = popretnewtop(&ps->fgstk, di->text);
882 7cf289ca 2004-04-06 devnull popfontsize(ps);
885 7cf289ca 2004-04-06 devnull // <!ELEMENT FORM - - %body.content -(FORM) >
886 7cf289ca 2004-04-06 devnull case Tform:
887 7cf289ca 2004-04-06 devnull if(is->curform != nil) {
888 7cf289ca 2004-04-06 devnull if(warn)
889 7cf289ca 2004-04-06 devnull fprint(2, "warning: <FORM> nested inside another\n");
890 7cf289ca 2004-04-06 devnull continue;
892 7cf289ca 2004-04-06 devnull action = aurlval(tok, Aaction, di->base, di->base);
893 7cf289ca 2004-04-06 devnull s = aval(tok, Aid);
894 7cf289ca 2004-04-06 devnull name = astrval(tok, Aname, s);
896 7cf289ca 2004-04-06 devnull free(s);
897 7cf289ca 2004-04-06 devnull target = atargval(tok, di->target);
898 7cf289ca 2004-04-06 devnull method = atabval(tok, Amethod, method_tab, NMETHODTAB, HGet);
899 7cf289ca 2004-04-06 devnull if(warn && _tokaval(tok, Aenctype, &enctype, 0) &&
900 7cf289ca 2004-04-06 devnull _Strcmp(enctype, L(Lappl_form)))
901 7cf289ca 2004-04-06 devnull fprint(2, "form enctype %S not handled\n", enctype);
902 7cf289ca 2004-04-06 devnull frm = newform(++is->nforms, name, action, target, method, di->forms);
903 7cf289ca 2004-04-06 devnull di->forms = frm;
904 7cf289ca 2004-04-06 devnull is->curform = frm;
907 7cf289ca 2004-04-06 devnull case Tform+RBRA:
908 7cf289ca 2004-04-06 devnull if(is->curform == nil) {
909 7cf289ca 2004-04-06 devnull if(warn)
910 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </FORM>\n");
911 7cf289ca 2004-04-06 devnull continue;
913 7cf289ca 2004-04-06 devnull // put fields back in input order
914 7cf289ca 2004-04-06 devnull is->curform->fields = (Formfield*)_revlist((List*)is->curform->fields);
915 7cf289ca 2004-04-06 devnull is->curform = nil;
918 7cf289ca 2004-04-06 devnull // <!ELEMENT FRAME - O EMPTY>
919 7cf289ca 2004-04-06 devnull case Tframe:
920 7cf289ca 2004-04-06 devnull ks = is->kidstk;
921 7cf289ca 2004-04-06 devnull if(ks == nil) {
922 7cf289ca 2004-04-06 devnull if(warn)
923 7cf289ca 2004-04-06 devnull fprint(2, "warning: <FRAME> not in <FRAMESET>\n");
924 7cf289ca 2004-04-06 devnull continue;
926 7cf289ca 2004-04-06 devnull ks->kidinfos = kd = newkidinfo(0, ks->kidinfos);
927 7cf289ca 2004-04-06 devnull kd->src = aurlval(tok, Asrc, nil, di->base);
928 7cf289ca 2004-04-06 devnull kd->name = aval(tok, Aname);
929 7cf289ca 2004-04-06 devnull if(kd->name == nil) {
930 7cf289ca 2004-04-06 devnull s = _ltoStr(++is->nframes);
931 7cf289ca 2004-04-06 devnull kd->name = _Strdup2(L(Lfr), s);
932 7cf289ca 2004-04-06 devnull free(s);
934 7cf289ca 2004-04-06 devnull kd->marginw = auintval(tok, Amarginwidth, 0);
935 7cf289ca 2004-04-06 devnull kd->marginh = auintval(tok, Amarginheight, 0);
936 7cf289ca 2004-04-06 devnull kd->framebd = auintval(tok, Aframeborder, 1);
937 7cf289ca 2004-04-06 devnull kd->flags = atabval(tok, Ascrolling, fscroll_tab, NFSCROLLTAB, kd->flags);
938 7cf289ca 2004-04-06 devnull norsz = aflagval(tok, Anoresize);
939 7cf289ca 2004-04-06 devnull if(norsz)
940 7cf289ca 2004-04-06 devnull kd->flags |= FRnoresize;
943 7cf289ca 2004-04-06 devnull // <!ELEMENT FRAMESET - - (FRAME|FRAMESET)+>
944 7cf289ca 2004-04-06 devnull case Tframeset:
945 7cf289ca 2004-04-06 devnull ks = newkidinfo(1, nil);
946 7cf289ca 2004-04-06 devnull pks = is->kidstk;
947 7cf289ca 2004-04-06 devnull if(pks == nil)
948 7cf289ca 2004-04-06 devnull di->kidinfo = ks;
950 7cf289ca 2004-04-06 devnull ks->next = pks->kidinfos;
951 7cf289ca 2004-04-06 devnull pks->kidinfos = ks;
953 7cf289ca 2004-04-06 devnull ks->nextframeset = pks;
954 7cf289ca 2004-04-06 devnull is->kidstk = ks;
955 7cf289ca 2004-04-06 devnull setdimarray(tok, Arows, &ks->rows, &ks->nrows);
956 7cf289ca 2004-04-06 devnull if(ks->nrows == 0) {
957 7cf289ca 2004-04-06 devnull ks->rows = (Dimen*)emalloc(sizeof(Dimen));
958 7cf289ca 2004-04-06 devnull ks->nrows = 1;
959 7cf289ca 2004-04-06 devnull ks->rows[0] = makedimen(Dpercent, 100);
961 7cf289ca 2004-04-06 devnull setdimarray(tok, Acols, &ks->cols, &ks->ncols);
962 7cf289ca 2004-04-06 devnull if(ks->ncols == 0) {
963 7cf289ca 2004-04-06 devnull ks->cols = (Dimen*)emalloc(sizeof(Dimen));
964 7cf289ca 2004-04-06 devnull ks->ncols = 1;
965 7cf289ca 2004-04-06 devnull ks->cols[0] = makedimen(Dpercent, 100);
969 7cf289ca 2004-04-06 devnull case Tframeset+RBRA:
970 7cf289ca 2004-04-06 devnull if(is->kidstk == nil) {
971 7cf289ca 2004-04-06 devnull if(warn)
972 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </FRAMESET>\n");
973 7cf289ca 2004-04-06 devnull continue;
975 7cf289ca 2004-04-06 devnull ks = is->kidstk;
976 7cf289ca 2004-04-06 devnull // put kids back in original order
977 7cf289ca 2004-04-06 devnull // and add blank frames to fill out cells
978 7cf289ca 2004-04-06 devnull n = ks->nrows*ks->ncols;
979 7cf289ca 2004-04-06 devnull nblank = n - _listlen((List*)ks->kidinfos);
980 7cf289ca 2004-04-06 devnull while(nblank-- > 0)
981 7cf289ca 2004-04-06 devnull ks->kidinfos = newkidinfo(0, ks->kidinfos);
982 7cf289ca 2004-04-06 devnull ks->kidinfos = (Kidinfo*)_revlist((List*)ks->kidinfos);
983 7cf289ca 2004-04-06 devnull is->kidstk = is->kidstk->nextframeset;
984 7cf289ca 2004-04-06 devnull if(is->kidstk == nil) {
985 7cf289ca 2004-04-06 devnull // end input
986 7cf289ca 2004-04-06 devnull ans = nil;
987 7cf289ca 2004-04-06 devnull goto return_ans;
991 7cf289ca 2004-04-06 devnull // <!ELEMENT H1 - - (%text;)*>, etc.
992 7cf289ca 2004-04-06 devnull case Th1:
993 7cf289ca 2004-04-06 devnull case Th2:
994 7cf289ca 2004-04-06 devnull case Th3:
995 7cf289ca 2004-04-06 devnull case Th4:
996 7cf289ca 2004-04-06 devnull case Th5:
997 7cf289ca 2004-04-06 devnull case Th6:
998 7cf289ca 2004-04-06 devnull bramt = 1;
999 7cf289ca 2004-04-06 devnull if(ps->items == ps->lastit)
1000 7cf289ca 2004-04-06 devnull bramt = 0;
1001 7cf289ca 2004-04-06 devnull addbrk(ps, bramt, IFcleft|IFcright);
1002 7cf289ca 2004-04-06 devnull sz = Verylarge - (tag - Th1);
1003 7cf289ca 2004-04-06 devnull if(sz < Tiny)
1004 7cf289ca 2004-04-06 devnull sz = Tiny;
1005 7cf289ca 2004-04-06 devnull pushfontsize(ps, sz);
1006 7cf289ca 2004-04-06 devnull sty = top(&ps->fntstylestk, FntR);
1007 7cf289ca 2004-04-06 devnull if(tag == Th1)
1008 7cf289ca 2004-04-06 devnull sty = FntB;
1009 7cf289ca 2004-04-06 devnull pushfontstyle(ps, sty);
1010 7cf289ca 2004-04-06 devnull pushjust(ps, atabval(tok, Aalign, align_tab, NALIGNTAB, ps->curjust));
1011 7cf289ca 2004-04-06 devnull ps->skipwhite = 1;
1014 7cf289ca 2004-04-06 devnull case Th1+RBRA:
1015 7cf289ca 2004-04-06 devnull case Th2+RBRA:
1016 7cf289ca 2004-04-06 devnull case Th3+RBRA:
1017 7cf289ca 2004-04-06 devnull case Th4+RBRA:
1018 7cf289ca 2004-04-06 devnull case Th5+RBRA:
1019 7cf289ca 2004-04-06 devnull case Th6+RBRA:
1020 7cf289ca 2004-04-06 devnull addbrk(ps, 1, IFcleft|IFcright);
1021 7cf289ca 2004-04-06 devnull popfontsize(ps);
1022 7cf289ca 2004-04-06 devnull popfontstyle(ps);
1023 7cf289ca 2004-04-06 devnull popjust(ps);
1026 7cf289ca 2004-04-06 devnull case Thead:
1027 7cf289ca 2004-04-06 devnull // HTML spec says ignore regular markup in head,
1028 7cf289ca 2004-04-06 devnull // but Netscape and IE don't
1029 7cf289ca 2004-04-06 devnull // ps.skipping = 1;
1032 7cf289ca 2004-04-06 devnull case Thead+RBRA:
1033 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1036 7cf289ca 2004-04-06 devnull // <!ELEMENT HR - O EMPTY>
1037 7cf289ca 2004-04-06 devnull case Thr:
1038 7cf289ca 2004-04-06 devnull al = atabval(tok, Aalign, align_tab, NALIGNTAB, ALcenter);
1039 7cf289ca 2004-04-06 devnull sz = auintval(tok, Asize, HRSZ);
1040 7cf289ca 2004-04-06 devnull wd = adimen(tok, Awidth);
1041 7cf289ca 2004-04-06 devnull if(dimenkind(wd) == Dnone)
1042 7cf289ca 2004-04-06 devnull wd = makedimen(Dpercent, 100);
1043 7cf289ca 2004-04-06 devnull nosh = aflagval(tok, Anoshade);
1044 7cf289ca 2004-04-06 devnull additem(ps, newirule(al, sz, nosh, wd), tok);
1045 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1048 7cf289ca 2004-04-06 devnull case Ti:
1049 7cf289ca 2004-04-06 devnull case Tcite:
1050 7cf289ca 2004-04-06 devnull case Tdfn:
1051 7cf289ca 2004-04-06 devnull case Tem:
1052 7cf289ca 2004-04-06 devnull case Tvar:
1053 7cf289ca 2004-04-06 devnull case Taddress:
1054 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntI);
1057 7cf289ca 2004-04-06 devnull // <!ELEMENT IMG - O EMPTY>
1058 7cf289ca 2004-04-06 devnull case Timg:
1059 7cf289ca 2004-04-06 devnull map = nil;
1060 7cf289ca 2004-04-06 devnull oldcuranchor = ps->curanchor;
1061 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Ausemap, &usemap, 0)) {
1062 7cf289ca 2004-04-06 devnull if(!_prefix(L(Lhash), usemap)) {
1063 7cf289ca 2004-04-06 devnull if(warn)
1064 7cf289ca 2004-04-06 devnull fprint(2, "warning: can't handle non-local map %S\n", usemap);
1067 7cf289ca 2004-04-06 devnull map = getmap(di, usemap+1);
1068 7cf289ca 2004-04-06 devnull if(ps->curanchor == 0) {
1069 7cf289ca 2004-04-06 devnull di->anchors = newanchor(++is->nanchors, nil, nil, di->target, di->anchors);
1070 7cf289ca 2004-04-06 devnull ps->curanchor = is->nanchors;
1074 7cf289ca 2004-04-06 devnull align = atabval(tok, Aalign, align_tab, NALIGNTAB, ALbottom);
1075 7cf289ca 2004-04-06 devnull dfltbd = 0;
1076 7cf289ca 2004-04-06 devnull if(ps->curanchor != 0)
1077 7cf289ca 2004-04-06 devnull dfltbd = 2;
1078 7cf289ca 2004-04-06 devnull src = aurlval(tok, Asrc, nil, di->base);
1079 7cf289ca 2004-04-06 devnull if(src == nil) {
1080 7cf289ca 2004-04-06 devnull if(warn)
1081 7cf289ca 2004-04-06 devnull fprint(2, "warning: <img> has no src attribute\n");
1082 7cf289ca 2004-04-06 devnull ps->curanchor = oldcuranchor;
1083 7cf289ca 2004-04-06 devnull continue;
1085 7cf289ca 2004-04-06 devnull img = newiimage(src,
1086 7cf289ca 2004-04-06 devnull aval(tok, Aalt),
1088 7cf289ca 2004-04-06 devnull auintval(tok, Awidth, 0),
1089 7cf289ca 2004-04-06 devnull auintval(tok, Aheight, 0),
1090 7cf289ca 2004-04-06 devnull auintval(tok, Ahspace, IMGHSPACE),
1091 7cf289ca 2004-04-06 devnull auintval(tok, Avspace, IMGVSPACE),
1092 7cf289ca 2004-04-06 devnull auintval(tok, Aborder, dfltbd),
1093 7cf289ca 2004-04-06 devnull aflagval(tok, Aismap),
1095 7cf289ca 2004-04-06 devnull if(align == ALleft || align == ALright) {
1096 7cf289ca 2004-04-06 devnull additem(ps, newifloat(img, align), tok);
1097 7cf289ca 2004-04-06 devnull // if no hspace specified, use FLTIMGHSPACE
1098 7cf289ca 2004-04-06 devnull if(!_tokaval(tok, Ahspace, &val, 0))
1099 7cf289ca 2004-04-06 devnull ((Iimage*)img)->hspace = FLTIMGHSPACE;
1102 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1103 7cf289ca 2004-04-06 devnull additem(ps, img, tok);
1105 7cf289ca 2004-04-06 devnull if(!ps->skipping) {
1106 7cf289ca 2004-04-06 devnull ((Iimage*)img)->nextimage = di->images;
1107 7cf289ca 2004-04-06 devnull di->images = (Iimage*)img;
1109 7cf289ca 2004-04-06 devnull ps->curanchor = oldcuranchor;
1112 7cf289ca 2004-04-06 devnull // <!ELEMENT INPUT - O EMPTY>
1113 7cf289ca 2004-04-06 devnull case Tinput:
1114 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1115 7cf289ca 2004-04-06 devnull if(is->curform == nil) {
1116 7cf289ca 2004-04-06 devnull if(warn)
1117 7cf289ca 2004-04-06 devnull fprint(2, "<INPUT> not inside <FORM>\n");
1118 7cf289ca 2004-04-06 devnull continue;
1120 7cf289ca 2004-04-06 devnull is->curform->fields = field = newformfield(
1121 7cf289ca 2004-04-06 devnull atabval(tok, Atype, input_tab, NINPUTTAB, Ftext),
1122 7cf289ca 2004-04-06 devnull ++is->curform->nfields,
1123 7cf289ca 2004-04-06 devnull is->curform,
1124 7cf289ca 2004-04-06 devnull aval(tok, Aname),
1125 7cf289ca 2004-04-06 devnull aval(tok, Avalue),
1126 7cf289ca 2004-04-06 devnull auintval(tok, Asize, 0),
1127 7cf289ca 2004-04-06 devnull auintval(tok, Amaxlength, 1000),
1128 7cf289ca 2004-04-06 devnull is->curform->fields);
1129 7cf289ca 2004-04-06 devnull if(aflagval(tok, Achecked))
1130 7cf289ca 2004-04-06 devnull field->flags = FFchecked;
1132 7cf289ca 2004-04-06 devnull switch(field->ftype) {
1133 7cf289ca 2004-04-06 devnull case Ftext:
1134 7cf289ca 2004-04-06 devnull case Fpassword:
1135 7cf289ca 2004-04-06 devnull case Ffile:
1136 7cf289ca 2004-04-06 devnull if(field->size == 0)
1137 7cf289ca 2004-04-06 devnull field->size = 20;
1140 7cf289ca 2004-04-06 devnull case Fcheckbox:
1141 7cf289ca 2004-04-06 devnull if(field->name == nil) {
1142 7cf289ca 2004-04-06 devnull if(warn)
1143 7cf289ca 2004-04-06 devnull fprint(2, "warning: checkbox form field missing name\n");
1144 7cf289ca 2004-04-06 devnull continue;
1146 7cf289ca 2004-04-06 devnull if(field->value == nil)
1147 7cf289ca 2004-04-06 devnull field->value = _Strdup(L(Lone));
1150 7cf289ca 2004-04-06 devnull case Fradio:
1151 7cf289ca 2004-04-06 devnull if(field->name == nil || field->value == nil) {
1152 7cf289ca 2004-04-06 devnull if(warn)
1153 7cf289ca 2004-04-06 devnull fprint(2, "warning: radio form field missing name or value\n");
1154 7cf289ca 2004-04-06 devnull continue;
1158 7cf289ca 2004-04-06 devnull case Fsubmit:
1159 7cf289ca 2004-04-06 devnull if(field->value == nil)
1160 7cf289ca 2004-04-06 devnull field->value = _Strdup(L(Lsubmit));
1161 7cf289ca 2004-04-06 devnull if(field->name == nil)
1162 7cf289ca 2004-04-06 devnull field->name = _Strdup(L(Lnoname));
1165 7cf289ca 2004-04-06 devnull case Fimage:
1166 7cf289ca 2004-04-06 devnull src = aurlval(tok, Asrc, nil, di->base);
1167 7cf289ca 2004-04-06 devnull if(src == nil) {
1168 7cf289ca 2004-04-06 devnull if(warn)
1169 7cf289ca 2004-04-06 devnull fprint(2, "warning: image form field missing src\n");
1170 7cf289ca 2004-04-06 devnull continue;
1172 7cf289ca 2004-04-06 devnull // width and height attrs aren't specified in HTML 3.2,
1173 7cf289ca 2004-04-06 devnull // but some people provide them and they help avoid
1174 7cf289ca 2004-04-06 devnull // a relayout
1175 7cf289ca 2004-04-06 devnull field->image = newiimage(src,
1176 7cf289ca 2004-04-06 devnull astrval(tok, Aalt, L(Lsubmit)),
1177 7cf289ca 2004-04-06 devnull atabval(tok, Aalign, align_tab, NALIGNTAB, ALbottom),
1178 7cf289ca 2004-04-06 devnull auintval(tok, Awidth, 0), auintval(tok, Aheight, 0),
1179 7cf289ca 2004-04-06 devnull 0, 0, 0, 0, nil);
1180 7cf289ca 2004-04-06 devnull ii = (Iimage*)field->image;
1181 7cf289ca 2004-04-06 devnull ii->nextimage = di->images;
1182 7cf289ca 2004-04-06 devnull di->images = ii;
1185 7cf289ca 2004-04-06 devnull case Freset:
1186 7cf289ca 2004-04-06 devnull if(field->value == nil)
1187 7cf289ca 2004-04-06 devnull field->value = _Strdup(L(Lreset));
1190 7cf289ca 2004-04-06 devnull case Fbutton:
1191 7cf289ca 2004-04-06 devnull if(field->value == nil)
1192 7cf289ca 2004-04-06 devnull field->value = _Strdup(L(Lspace));
1195 7cf289ca 2004-04-06 devnull ffit = newiformfield(field);
1196 7cf289ca 2004-04-06 devnull additem(ps, ffit, tok);
1197 7cf289ca 2004-04-06 devnull if(ffit->genattr != nil)
1198 7cf289ca 2004-04-06 devnull field->events = ffit->genattr->events;
1201 7cf289ca 2004-04-06 devnull // <!ENTITY ISINDEX - O EMPTY>
1202 7cf289ca 2004-04-06 devnull case Tisindex:
1203 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1204 7cf289ca 2004-04-06 devnull prompt = astrval(tok, Aprompt, L(Lindex));
1205 7cf289ca 2004-04-06 devnull target = atargval(tok, di->target);
1206 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, prompt), tok);
1207 7cf289ca 2004-04-06 devnull frm = newform(++is->nforms,
1209 7cf289ca 2004-04-06 devnull di->base,
1210 7cf289ca 2004-04-06 devnull target,
1212 7cf289ca 2004-04-06 devnull di->forms);
1213 7cf289ca 2004-04-06 devnull di->forms = frm;
1214 7cf289ca 2004-04-06 devnull ff = newformfield(Ftext,
1217 7cf289ca 2004-04-06 devnull _Strdup(L(Lisindex)),
1222 7cf289ca 2004-04-06 devnull frm->fields = ff;
1223 7cf289ca 2004-04-06 devnull frm->nfields = 1;
1224 7cf289ca 2004-04-06 devnull additem(ps, newiformfield(ff), tok);
1225 7cf289ca 2004-04-06 devnull addbrk(ps, 1, 0);
1228 7cf289ca 2004-04-06 devnull // <!ELEMENT LI - O %flow>
1229 7cf289ca 2004-04-06 devnull case Tli:
1230 7cf289ca 2004-04-06 devnull if(ps->listtypestk.n == 0) {
1231 7cf289ca 2004-04-06 devnull if(warn)
1232 7cf289ca 2004-04-06 devnull fprint(2, "<LI> not in list\n");
1233 7cf289ca 2004-04-06 devnull continue;
1235 7cf289ca 2004-04-06 devnull ty = top(&ps->listtypestk, 0);
1236 7cf289ca 2004-04-06 devnull ty2 = listtyval(tok, ty);
1237 7cf289ca 2004-04-06 devnull if(ty != ty2) {
1238 7cf289ca 2004-04-06 devnull ty = ty2;
1239 7cf289ca 2004-04-06 devnull push(&ps->listtypestk, ty2);
1241 7cf289ca 2004-04-06 devnull v = aintval(tok, Avalue, top(&ps->listcntstk, 1));
1242 7cf289ca 2004-04-06 devnull if(ty == LTdisc || ty == LTsquare || ty == LTcircle)
1243 7cf289ca 2004-04-06 devnull hang = 10*LISTTAB - 3;
1245 7cf289ca 2004-04-06 devnull hang = 10*LISTTAB - 1;
1246 7cf289ca 2004-04-06 devnull changehang(ps, hang);
1247 7cf289ca 2004-04-06 devnull addtext(ps, listmark(ty, v));
1248 7cf289ca 2004-04-06 devnull push(&ps->listcntstk, v + 1);
1249 7cf289ca 2004-04-06 devnull changehang(ps, -hang);
1250 7cf289ca 2004-04-06 devnull ps->skipwhite = 1;
1253 7cf289ca 2004-04-06 devnull // <!ELEMENT MAP - - (AREA)+>
1254 7cf289ca 2004-04-06 devnull case Tmap:
1255 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Aname, &name, 0))
1256 7cf289ca 2004-04-06 devnull is->curmap = getmap(di, name);
1259 7cf289ca 2004-04-06 devnull case Tmap+RBRA:
1260 7cf289ca 2004-04-06 devnull map = is->curmap;
1261 7cf289ca 2004-04-06 devnull if(map == nil) {
1262 7cf289ca 2004-04-06 devnull if(warn)
1263 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </MAP>\n");
1264 7cf289ca 2004-04-06 devnull continue;
1266 7cf289ca 2004-04-06 devnull map->areas = (Area*)_revlist((List*)map->areas);
1269 7cf289ca 2004-04-06 devnull case Tmeta:
1270 7cf289ca 2004-04-06 devnull if(ps->skipping)
1271 7cf289ca 2004-04-06 devnull continue;
1272 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Ahttp_equiv, &equiv, 0)) {
1273 7cf289ca 2004-04-06 devnull val = aval(tok, Acontent);
1274 7cf289ca 2004-04-06 devnull n = _Strlen(equiv);
1275 7cf289ca 2004-04-06 devnull if(!_Strncmpci(equiv, n, L(Lrefresh)))
1276 7cf289ca 2004-04-06 devnull di->refresh = val;
1277 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(equiv, n, L(Lcontent))) {
1278 7cf289ca 2004-04-06 devnull n = _Strlen(val);
1279 7cf289ca 2004-04-06 devnull if(!_Strncmpci(val, n, L(Ljavascript))
1280 7cf289ca 2004-04-06 devnull || !_Strncmpci(val, n, L(Ljscript1))
1281 7cf289ca 2004-04-06 devnull || !_Strncmpci(val, n, L(Ljscript)))
1282 7cf289ca 2004-04-06 devnull di->scripttype = TextJavascript;
1284 7cf289ca 2004-04-06 devnull if(warn)
1285 7cf289ca 2004-04-06 devnull fprint(2, "unimplemented script type %S\n", val);
1286 7cf289ca 2004-04-06 devnull di->scripttype = UnknownType;
1292 7cf289ca 2004-04-06 devnull // Nobr is NOT in HMTL 4.0, but it is ubiquitous on the web
1293 7cf289ca 2004-04-06 devnull case Tnobr:
1294 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1295 7cf289ca 2004-04-06 devnull ps->curstate &= ~IFwrap;
1298 7cf289ca 2004-04-06 devnull case Tnobr+RBRA:
1299 7cf289ca 2004-04-06 devnull ps->curstate |= IFwrap;
1302 7cf289ca 2004-04-06 devnull // We do frames, so skip stuff in noframes
1303 7cf289ca 2004-04-06 devnull case Tnoframes:
1304 7cf289ca 2004-04-06 devnull ps->skipping = 1;
1307 7cf289ca 2004-04-06 devnull case Tnoframes+RBRA:
1308 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1311 7cf289ca 2004-04-06 devnull // We do scripts (if enabled), so skip stuff in noscripts
1312 7cf289ca 2004-04-06 devnull case Tnoscript:
1313 7cf289ca 2004-04-06 devnull if(doscripts)
1314 7cf289ca 2004-04-06 devnull ps->skipping = 1;
1317 7cf289ca 2004-04-06 devnull case Tnoscript+RBRA:
1318 7cf289ca 2004-04-06 devnull if(doscripts)
1319 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1322 7cf289ca 2004-04-06 devnull // <!ELEMENT OPTION - O ( //PCDATA)>
1323 7cf289ca 2004-04-06 devnull case Toption:
1324 7cf289ca 2004-04-06 devnull if(is->curform == nil || is->curform->fields == nil) {
1325 7cf289ca 2004-04-06 devnull if(warn)
1326 7cf289ca 2004-04-06 devnull fprint(2, "warning: <OPTION> not in <SELECT>\n");
1327 7cf289ca 2004-04-06 devnull continue;
1329 7cf289ca 2004-04-06 devnull field = is->curform->fields;
1330 7cf289ca 2004-04-06 devnull if(field->ftype != Fselect) {
1331 7cf289ca 2004-04-06 devnull if(warn)
1332 7cf289ca 2004-04-06 devnull fprint(2, "warning: <OPTION> not in <SELECT>\n");
1333 7cf289ca 2004-04-06 devnull continue;
1335 7cf289ca 2004-04-06 devnull val = aval(tok, Avalue);
1336 7cf289ca 2004-04-06 devnull option = newoption(aflagval(tok, Aselected), val, nil, field->options);
1337 7cf289ca 2004-04-06 devnull field->options = option;
1338 7cf289ca 2004-04-06 devnull option->display = getpcdata(toks, tokslen, &toki);
1339 7cf289ca 2004-04-06 devnull if(val == nil)
1340 7cf289ca 2004-04-06 devnull option->value = _Strdup(option->display);
1343 7cf289ca 2004-04-06 devnull // <!ELEMENT P - O (%text)* >
1344 7cf289ca 2004-04-06 devnull case Tp:
1345 7cf289ca 2004-04-06 devnull pushjust(ps, atabval(tok, Aalign, align_tab, NALIGNTAB, ps->curjust));
1346 7cf289ca 2004-04-06 devnull ps->inpar = 1;
1347 7cf289ca 2004-04-06 devnull ps->skipwhite = 1;
1350 7cf289ca 2004-04-06 devnull case Tp+RBRA:
1353 7cf289ca 2004-04-06 devnull // <!ELEMENT PARAM - O EMPTY>
1354 7cf289ca 2004-04-06 devnull // Do something when we do applets...
1355 7cf289ca 2004-04-06 devnull case Tparam:
1358 7cf289ca 2004-04-06 devnull // <!ELEMENT PRE - - (%text)* -(IMG|BIG|SMALL|SUB|SUP|FONT) >
1359 7cf289ca 2004-04-06 devnull case Tpre:
1360 7cf289ca 2004-04-06 devnull ps->curstate &= ~IFwrap;
1361 7cf289ca 2004-04-06 devnull ps->literal = 1;
1362 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1363 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntT);
1366 7cf289ca 2004-04-06 devnull case Tpre+RBRA:
1367 7cf289ca 2004-04-06 devnull ps->curstate |= IFwrap;
1368 7cf289ca 2004-04-06 devnull if(ps->literal) {
1369 7cf289ca 2004-04-06 devnull popfontstyle(ps);
1370 7cf289ca 2004-04-06 devnull ps->literal = 0;
1374 7cf289ca 2004-04-06 devnull // <!ELEMENT SCRIPT - - CDATA>
1375 7cf289ca 2004-04-06 devnull case Tscript:
1376 7cf289ca 2004-04-06 devnull if(doscripts) {
1377 7cf289ca 2004-04-06 devnull if(!di->hasscripts) {
1378 7cf289ca 2004-04-06 devnull if(di->scripttype == TextJavascript) {
1379 7cf289ca 2004-04-06 devnull // TODO: initialize script if nec.
1380 7cf289ca 2004-04-06 devnull // initjscript(di);
1381 7cf289ca 2004-04-06 devnull di->hasscripts = 1;
1385 7cf289ca 2004-04-06 devnull if(!di->hasscripts) {
1386 7cf289ca 2004-04-06 devnull if(warn)
1387 7cf289ca 2004-04-06 devnull fprint(2, "warning: <SCRIPT> ignored\n");
1388 7cf289ca 2004-04-06 devnull ps->skipping = 1;
1391 7cf289ca 2004-04-06 devnull scriptsrc = aurlval(tok, Asrc, nil, di->base);
1392 7cf289ca 2004-04-06 devnull script = nil;
1393 7cf289ca 2004-04-06 devnull if(scriptsrc != nil) {
1394 7cf289ca 2004-04-06 devnull if(warn)
1395 7cf289ca 2004-04-06 devnull fprint(2, "warning: non-local <SCRIPT> ignored\n");
1396 7cf289ca 2004-04-06 devnull free(scriptsrc);
1399 7cf289ca 2004-04-06 devnull script = getpcdata(toks, tokslen, &toki);
1401 7cf289ca 2004-04-06 devnull if(script != nil) {
1402 7cf289ca 2004-04-06 devnull if(warn)
1403 7cf289ca 2004-04-06 devnull fprint(2, "script ignored\n");
1404 7cf289ca 2004-04-06 devnull free(script);
1409 7cf289ca 2004-04-06 devnull case Tscript+RBRA:
1410 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1413 7cf289ca 2004-04-06 devnull // <!ELEMENT SELECT - - (OPTION+)>
1414 7cf289ca 2004-04-06 devnull case Tselect:
1415 7cf289ca 2004-04-06 devnull if(is->curform == nil) {
1416 7cf289ca 2004-04-06 devnull if(warn)
1417 7cf289ca 2004-04-06 devnull fprint(2, "<SELECT> not inside <FORM>\n");
1418 7cf289ca 2004-04-06 devnull continue;
1420 7cf289ca 2004-04-06 devnull field = newformfield(Fselect,
1421 7cf289ca 2004-04-06 devnull ++is->curform->nfields,
1422 7cf289ca 2004-04-06 devnull is->curform,
1423 7cf289ca 2004-04-06 devnull aval(tok, Aname),
1425 7cf289ca 2004-04-06 devnull auintval(tok, Asize, 0),
1427 7cf289ca 2004-04-06 devnull is->curform->fields);
1428 7cf289ca 2004-04-06 devnull is->curform->fields = field;
1429 7cf289ca 2004-04-06 devnull if(aflagval(tok, Amultiple))
1430 7cf289ca 2004-04-06 devnull field->flags = FFmultiple;
1431 7cf289ca 2004-04-06 devnull ffit = newiformfield(field);
1432 7cf289ca 2004-04-06 devnull additem(ps, ffit, tok);
1433 7cf289ca 2004-04-06 devnull if(ffit->genattr != nil)
1434 7cf289ca 2004-04-06 devnull field->events = ffit->genattr->events;
1435 7cf289ca 2004-04-06 devnull // throw away stuff until next tag (should be <OPTION>)
1436 7cf289ca 2004-04-06 devnull s = getpcdata(toks, tokslen, &toki);
1437 7cf289ca 2004-04-06 devnull if(s != nil)
1438 7cf289ca 2004-04-06 devnull free(s);
1441 7cf289ca 2004-04-06 devnull case Tselect+RBRA:
1442 7cf289ca 2004-04-06 devnull if(is->curform == nil || is->curform->fields == nil) {
1443 7cf289ca 2004-04-06 devnull if(warn)
1444 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </SELECT>\n");
1445 7cf289ca 2004-04-06 devnull continue;
1447 7cf289ca 2004-04-06 devnull field = is->curform->fields;
1448 7cf289ca 2004-04-06 devnull if(field->ftype != Fselect)
1449 7cf289ca 2004-04-06 devnull continue;
1450 7cf289ca 2004-04-06 devnull // put options back in input order
1451 7cf289ca 2004-04-06 devnull field->options = (Option*)_revlist((List*)field->options);
1454 7cf289ca 2004-04-06 devnull // <!ELEMENT (STRIKE|U) - - (%text)*>
1455 7cf289ca 2004-04-06 devnull case Tstrike:
1456 7cf289ca 2004-04-06 devnull case Tu:
1457 7cf289ca 2004-04-06 devnull ps->curul = push(&ps->ulstk, (tag==Tstrike)? ULmid : ULunder);
1460 7cf289ca 2004-04-06 devnull case Tstrike+RBRA:
1461 7cf289ca 2004-04-06 devnull case Tu+RBRA:
1462 7cf289ca 2004-04-06 devnull if(ps->ulstk.n == 0) {
1463 7cf289ca 2004-04-06 devnull if(warn)
1464 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected %T\n", tok);
1465 7cf289ca 2004-04-06 devnull continue;
1467 7cf289ca 2004-04-06 devnull ps->curul = popretnewtop(&ps->ulstk, ULnone);
1470 7cf289ca 2004-04-06 devnull // <!ELEMENT STYLE - - CDATA>
1471 7cf289ca 2004-04-06 devnull case Tstyle:
1472 7cf289ca 2004-04-06 devnull if(warn)
1473 7cf289ca 2004-04-06 devnull fprint(2, "warning: unimplemented <STYLE>\n");
1474 7cf289ca 2004-04-06 devnull ps->skipping = 1;
1477 7cf289ca 2004-04-06 devnull case Tstyle+RBRA:
1478 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1481 7cf289ca 2004-04-06 devnull // <!ELEMENT (SUB|SUP) - - (%text)*>
1482 7cf289ca 2004-04-06 devnull case Tsub:
1483 7cf289ca 2004-04-06 devnull case Tsup:
1484 7cf289ca 2004-04-06 devnull if(tag == Tsub)
1485 7cf289ca 2004-04-06 devnull ps->curvoff += SUBOFF;
1487 7cf289ca 2004-04-06 devnull ps->curvoff -= SUPOFF;
1488 7cf289ca 2004-04-06 devnull push(&ps->voffstk, ps->curvoff);
1489 7cf289ca 2004-04-06 devnull sz = top(&ps->fntsizestk, Normal);
1490 7cf289ca 2004-04-06 devnull pushfontsize(ps, sz - 1);
1493 7cf289ca 2004-04-06 devnull case Tsub+RBRA:
1494 7cf289ca 2004-04-06 devnull case Tsup+RBRA:
1495 7cf289ca 2004-04-06 devnull if(ps->voffstk.n == 0) {
1496 7cf289ca 2004-04-06 devnull if(warn)
1497 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected %T\n", tok);
1498 7cf289ca 2004-04-06 devnull continue;
1500 7cf289ca 2004-04-06 devnull ps->curvoff = popretnewtop(&ps->voffstk, 0);
1501 7cf289ca 2004-04-06 devnull popfontsize(ps);
1504 7cf289ca 2004-04-06 devnull // <!ELEMENT TABLE - - (CAPTION?, TR+)>
1505 7cf289ca 2004-04-06 devnull case Ttable:
1506 7cf289ca 2004-04-06 devnull ps->skipwhite = 0;
1507 7cf289ca 2004-04-06 devnull tab = newtable(++is->ntables,
1508 7cf289ca 2004-04-06 devnull aalign(tok),
1509 7cf289ca 2004-04-06 devnull adimen(tok, Awidth),
1510 7cf289ca 2004-04-06 devnull aflagval(tok, Aborder),
1511 7cf289ca 2004-04-06 devnull auintval(tok, Acellspacing, TABSP),
1512 7cf289ca 2004-04-06 devnull auintval(tok, Acellpadding, TABPAD),
1513 7cf289ca 2004-04-06 devnull makebackground(nil, acolorval(tok, Abgcolor, ps->curbg.color)),
1515 7cf289ca 2004-04-06 devnull is->tabstk);
1516 7cf289ca 2004-04-06 devnull is->tabstk = tab;
1517 7cf289ca 2004-04-06 devnull curtab = tab;
1520 7cf289ca 2004-04-06 devnull case Ttable+RBRA:
1521 7cf289ca 2004-04-06 devnull if(curtab == nil) {
1522 7cf289ca 2004-04-06 devnull if(warn)
1523 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </TABLE>\n");
1524 7cf289ca 2004-04-06 devnull continue;
1526 7cf289ca 2004-04-06 devnull isempty = (curtab->cells == nil);
1527 7cf289ca 2004-04-06 devnull if(isempty) {
1528 7cf289ca 2004-04-06 devnull if(warn)
1529 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TABLE> has no cells\n");
1532 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1533 7cf289ca 2004-04-06 devnull if(curtab->rows != nil)
1534 7cf289ca 2004-04-06 devnull curtab->rows->flags = 0;
1535 7cf289ca 2004-04-06 devnull finish_table(curtab);
1537 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1538 7cf289ca 2004-04-06 devnull if(!isempty) {
1539 7cf289ca 2004-04-06 devnull tabitem = newitable(curtab);
1540 7cf289ca 2004-04-06 devnull al = curtab->align.halign;
1541 7cf289ca 2004-04-06 devnull switch(al) {
1542 7cf289ca 2004-04-06 devnull case ALleft:
1543 7cf289ca 2004-04-06 devnull case ALright:
1544 7cf289ca 2004-04-06 devnull additem(ps, newifloat(tabitem, al), tok);
1546 7cf289ca 2004-04-06 devnull default:
1547 7cf289ca 2004-04-06 devnull if(al == ALcenter)
1548 7cf289ca 2004-04-06 devnull pushjust(ps, ALcenter);
1549 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1550 7cf289ca 2004-04-06 devnull if(ps->inpar) {
1551 7cf289ca 2004-04-06 devnull popjust(ps);
1552 7cf289ca 2004-04-06 devnull ps->inpar = 0;
1554 7cf289ca 2004-04-06 devnull additem(ps, tabitem, curtab->tabletok);
1555 7cf289ca 2004-04-06 devnull if(al == ALcenter)
1556 7cf289ca 2004-04-06 devnull popjust(ps);
1560 7cf289ca 2004-04-06 devnull if(is->tabstk == nil) {
1561 7cf289ca 2004-04-06 devnull if(warn)
1562 7cf289ca 2004-04-06 devnull fprint(2, "warning: table stack is wrong\n");
1565 7cf289ca 2004-04-06 devnull is->tabstk = is->tabstk->next;
1566 7cf289ca 2004-04-06 devnull curtab->next = di->tables;
1567 7cf289ca 2004-04-06 devnull di->tables = curtab;
1568 7cf289ca 2004-04-06 devnull curtab = is->tabstk;
1569 7cf289ca 2004-04-06 devnull if(!isempty)
1570 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1573 7cf289ca 2004-04-06 devnull // <!ELEMENT (TH|TD) - O %body.content>
1574 7cf289ca 2004-04-06 devnull // Cells for a row are accumulated in reverse order.
1575 7cf289ca 2004-04-06 devnull // We push ps on a stack, and use a new one to accumulate
1576 7cf289ca 2004-04-06 devnull // the contents of the cell.
1577 7cf289ca 2004-04-06 devnull case Ttd:
1578 7cf289ca 2004-04-06 devnull case Tth:
1579 7cf289ca 2004-04-06 devnull if(curtab == nil) {
1580 7cf289ca 2004-04-06 devnull if(warn)
1581 7cf289ca 2004-04-06 devnull fprint(2, "%T outside <TABLE>\n", tok);
1582 7cf289ca 2004-04-06 devnull continue;
1584 7cf289ca 2004-04-06 devnull if(ps->inpar) {
1585 7cf289ca 2004-04-06 devnull popjust(ps);
1586 7cf289ca 2004-04-06 devnull ps->inpar = 0;
1588 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1589 7cf289ca 2004-04-06 devnull tr = nil;
1590 7cf289ca 2004-04-06 devnull if(curtab->rows != nil)
1591 7cf289ca 2004-04-06 devnull tr = curtab->rows;
1592 7cf289ca 2004-04-06 devnull if(tr == nil || !tr->flags) {
1593 7cf289ca 2004-04-06 devnull if(warn)
1594 7cf289ca 2004-04-06 devnull fprint(2, "%T outside row\n", tok);
1595 7cf289ca 2004-04-06 devnull tr = newtablerow(makealign(ALnone, ALnone),
1596 7cf289ca 2004-04-06 devnull makebackground(nil, curtab->background.color),
1597 7cf289ca 2004-04-06 devnull TFparsing,
1598 7cf289ca 2004-04-06 devnull curtab->rows);
1599 7cf289ca 2004-04-06 devnull curtab->rows = tr;
1601 7cf289ca 2004-04-06 devnull ps = cell_pstate(ps, tag == Tth);
1602 7cf289ca 2004-04-06 devnull flags = TFparsing;
1603 7cf289ca 2004-04-06 devnull if(aflagval(tok, Anowrap)) {
1604 7cf289ca 2004-04-06 devnull flags |= TFnowrap;
1605 7cf289ca 2004-04-06 devnull ps->curstate &= ~IFwrap;
1607 7cf289ca 2004-04-06 devnull if(tag == Tth)
1608 7cf289ca 2004-04-06 devnull flags |= TFisth;
1609 7cf289ca 2004-04-06 devnull c = newtablecell(curtab->cells==nil? 1 : curtab->cells->cellid+1,
1610 7cf289ca 2004-04-06 devnull auintval(tok, Arowspan, 1),
1611 7cf289ca 2004-04-06 devnull auintval(tok, Acolspan, 1),
1612 7cf289ca 2004-04-06 devnull aalign(tok),
1613 7cf289ca 2004-04-06 devnull adimen(tok, Awidth),
1614 7cf289ca 2004-04-06 devnull auintval(tok, Aheight, 0),
1615 7cf289ca 2004-04-06 devnull makebackground(nil, acolorval(tok, Abgcolor, tr->background.color)),
1617 7cf289ca 2004-04-06 devnull curtab->cells);
1618 7cf289ca 2004-04-06 devnull curtab->cells = c;
1619 7cf289ca 2004-04-06 devnull ps->curbg = c->background;
1620 7cf289ca 2004-04-06 devnull if(c->align.halign == ALnone) {
1621 7cf289ca 2004-04-06 devnull if(tr->align.halign != ALnone)
1622 7cf289ca 2004-04-06 devnull c->align.halign = tr->align.halign;
1623 7cf289ca 2004-04-06 devnull else if(tag == Tth)
1624 7cf289ca 2004-04-06 devnull c->align.halign = ALcenter;
1626 7cf289ca 2004-04-06 devnull c->align.halign = ALleft;
1628 7cf289ca 2004-04-06 devnull if(c->align.valign == ALnone) {
1629 7cf289ca 2004-04-06 devnull if(tr->align.valign != ALnone)
1630 7cf289ca 2004-04-06 devnull c->align.valign = tr->align.valign;
1632 7cf289ca 2004-04-06 devnull c->align.valign = ALmiddle;
1634 7cf289ca 2004-04-06 devnull c->nextinrow = tr->cells;
1635 7cf289ca 2004-04-06 devnull tr->cells = c;
1638 7cf289ca 2004-04-06 devnull case Ttd+RBRA:
1639 7cf289ca 2004-04-06 devnull case Tth+RBRA:
1640 7cf289ca 2004-04-06 devnull if(curtab == nil || curtab->cells == nil) {
1641 7cf289ca 2004-04-06 devnull if(warn)
1642 7cf289ca 2004-04-06 devnull fprint(2, "unexpected %T\n", tok);
1643 7cf289ca 2004-04-06 devnull continue;
1645 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1648 7cf289ca 2004-04-06 devnull // <!ELEMENT TEXTAREA - - ( //PCDATA)>
1649 7cf289ca 2004-04-06 devnull case Ttextarea:
1650 7cf289ca 2004-04-06 devnull if(is->curform == nil) {
1651 7cf289ca 2004-04-06 devnull if(warn)
1652 7cf289ca 2004-04-06 devnull fprint(2, "<TEXTAREA> not inside <FORM>\n");
1653 7cf289ca 2004-04-06 devnull continue;
1655 7cf289ca 2004-04-06 devnull field = newformfield(Ftextarea,
1656 7cf289ca 2004-04-06 devnull ++is->curform->nfields,
1657 7cf289ca 2004-04-06 devnull is->curform,
1658 7cf289ca 2004-04-06 devnull aval(tok, Aname),
1662 7cf289ca 2004-04-06 devnull is->curform->fields);
1663 7cf289ca 2004-04-06 devnull is->curform->fields = field;
1664 7cf289ca 2004-04-06 devnull field->rows = auintval(tok, Arows, 3);
1665 7cf289ca 2004-04-06 devnull field->cols = auintval(tok, Acols, 50);
1666 7cf289ca 2004-04-06 devnull field->value = getpcdata(toks, tokslen, &toki);
1667 7cf289ca 2004-04-06 devnull if(warn && toki < tokslen - 1 && toks[toki + 1].tag != Ttextarea + RBRA)
1668 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TEXTAREA> data ended by %T\n", &toks[toki + 1]);
1669 7cf289ca 2004-04-06 devnull ffit = newiformfield(field);
1670 7cf289ca 2004-04-06 devnull additem(ps, ffit, tok);
1671 7cf289ca 2004-04-06 devnull if(ffit->genattr != nil)
1672 7cf289ca 2004-04-06 devnull field->events = ffit->genattr->events;
1675 7cf289ca 2004-04-06 devnull // <!ELEMENT TITLE - - ( //PCDATA)* -(%head.misc)>
1676 7cf289ca 2004-04-06 devnull case Ttitle:
1677 7cf289ca 2004-04-06 devnull di->doctitle = getpcdata(toks, tokslen, &toki);
1678 7cf289ca 2004-04-06 devnull if(warn && toki < tokslen - 1 && toks[toki + 1].tag != Ttitle + RBRA)
1679 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TITLE> data ended by %T\n", &toks[toki + 1]);
1682 7cf289ca 2004-04-06 devnull // <!ELEMENT TR - O (TH|TD)+>
1683 7cf289ca 2004-04-06 devnull // rows are accumulated in reverse order in curtab->rows
1684 7cf289ca 2004-04-06 devnull case Ttr:
1685 7cf289ca 2004-04-06 devnull if(curtab == nil) {
1686 7cf289ca 2004-04-06 devnull if(warn)
1687 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TR> outside <TABLE>\n");
1688 7cf289ca 2004-04-06 devnull continue;
1690 7cf289ca 2004-04-06 devnull if(ps->inpar) {
1691 7cf289ca 2004-04-06 devnull popjust(ps);
1692 7cf289ca 2004-04-06 devnull ps->inpar = 0;
1694 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1695 7cf289ca 2004-04-06 devnull if(curtab->rows != nil)
1696 7cf289ca 2004-04-06 devnull curtab->rows->flags = 0;
1697 7cf289ca 2004-04-06 devnull curtab->rows = newtablerow(aalign(tok),
1698 7cf289ca 2004-04-06 devnull makebackground(nil, acolorval(tok, Abgcolor, curtab->background.color)),
1699 7cf289ca 2004-04-06 devnull TFparsing,
1700 7cf289ca 2004-04-06 devnull curtab->rows);
1703 7cf289ca 2004-04-06 devnull case Ttr+RBRA:
1704 7cf289ca 2004-04-06 devnull if(curtab == nil || curtab->rows == nil) {
1705 7cf289ca 2004-04-06 devnull if(warn)
1706 7cf289ca 2004-04-06 devnull fprint(2, "warning: unexpected </TR>\n");
1707 7cf289ca 2004-04-06 devnull continue;
1709 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1710 7cf289ca 2004-04-06 devnull tr = curtab->rows;
1711 7cf289ca 2004-04-06 devnull if(tr->cells == nil) {
1712 7cf289ca 2004-04-06 devnull if(warn)
1713 7cf289ca 2004-04-06 devnull fprint(2, "warning: empty row\n");
1714 7cf289ca 2004-04-06 devnull curtab->rows = tr->next;
1715 7cf289ca 2004-04-06 devnull tr->next = nil;
1718 7cf289ca 2004-04-06 devnull tr->flags = 0;
1721 7cf289ca 2004-04-06 devnull // <!ELEMENT (TT|CODE|KBD|SAMP) - - (%text)*>
1722 7cf289ca 2004-04-06 devnull case Ttt:
1723 7cf289ca 2004-04-06 devnull case Tcode:
1724 7cf289ca 2004-04-06 devnull case Tkbd:
1725 7cf289ca 2004-04-06 devnull case Tsamp:
1726 7cf289ca 2004-04-06 devnull pushfontstyle(ps, FntT);
1729 7cf289ca 2004-04-06 devnull // Tags that have empty action
1730 7cf289ca 2004-04-06 devnull case Tabbr:
1731 7cf289ca 2004-04-06 devnull case Tabbr+RBRA:
1732 7cf289ca 2004-04-06 devnull case Tacronym:
1733 7cf289ca 2004-04-06 devnull case Tacronym+RBRA:
1734 7cf289ca 2004-04-06 devnull case Tarea+RBRA:
1735 7cf289ca 2004-04-06 devnull case Tbase+RBRA:
1736 7cf289ca 2004-04-06 devnull case Tbasefont+RBRA:
1737 7cf289ca 2004-04-06 devnull case Tbr+RBRA:
1738 7cf289ca 2004-04-06 devnull case Tdd+RBRA:
1739 7cf289ca 2004-04-06 devnull case Tdt+RBRA:
1740 7cf289ca 2004-04-06 devnull case Tframe+RBRA:
1741 7cf289ca 2004-04-06 devnull case Thr+RBRA:
1742 7cf289ca 2004-04-06 devnull case Thtml:
1743 7cf289ca 2004-04-06 devnull case Thtml+RBRA:
1744 7cf289ca 2004-04-06 devnull case Timg+RBRA:
1745 7cf289ca 2004-04-06 devnull case Tinput+RBRA:
1746 7cf289ca 2004-04-06 devnull case Tisindex+RBRA:
1747 7cf289ca 2004-04-06 devnull case Tli+RBRA:
1748 7cf289ca 2004-04-06 devnull case Tlink:
1749 7cf289ca 2004-04-06 devnull case Tlink+RBRA:
1750 7cf289ca 2004-04-06 devnull case Tmeta+RBRA:
1751 7cf289ca 2004-04-06 devnull case Toption+RBRA:
1752 7cf289ca 2004-04-06 devnull case Tparam+RBRA:
1753 7cf289ca 2004-04-06 devnull case Ttextarea+RBRA:
1754 7cf289ca 2004-04-06 devnull case Ttitle+RBRA:
1758 7cf289ca 2004-04-06 devnull // Tags not implemented
1759 7cf289ca 2004-04-06 devnull case Tbdo:
1760 7cf289ca 2004-04-06 devnull case Tbdo+RBRA:
1761 7cf289ca 2004-04-06 devnull case Tbutton:
1762 7cf289ca 2004-04-06 devnull case Tbutton+RBRA:
1763 7cf289ca 2004-04-06 devnull case Tdel:
1764 7cf289ca 2004-04-06 devnull case Tdel+RBRA:
1765 7cf289ca 2004-04-06 devnull case Tfieldset:
1766 7cf289ca 2004-04-06 devnull case Tfieldset+RBRA:
1767 7cf289ca 2004-04-06 devnull case Tiframe:
1768 7cf289ca 2004-04-06 devnull case Tiframe+RBRA:
1769 7cf289ca 2004-04-06 devnull case Tins:
1770 7cf289ca 2004-04-06 devnull case Tins+RBRA:
1771 7cf289ca 2004-04-06 devnull case Tlabel:
1772 7cf289ca 2004-04-06 devnull case Tlabel+RBRA:
1773 7cf289ca 2004-04-06 devnull case Tlegend:
1774 7cf289ca 2004-04-06 devnull case Tlegend+RBRA:
1775 7cf289ca 2004-04-06 devnull case Tobject:
1776 7cf289ca 2004-04-06 devnull case Tobject+RBRA:
1777 7cf289ca 2004-04-06 devnull case Toptgroup:
1778 7cf289ca 2004-04-06 devnull case Toptgroup+RBRA:
1779 7cf289ca 2004-04-06 devnull case Tspan:
1780 7cf289ca 2004-04-06 devnull case Tspan+RBRA:
1781 7cf289ca 2004-04-06 devnull if(warn) {
1782 7cf289ca 2004-04-06 devnull if(tag > RBRA)
1783 7cf289ca 2004-04-06 devnull tag -= RBRA;
1784 7cf289ca 2004-04-06 devnull fprint(2, "warning: unimplemented HTML tag: %S\n", tagnames[tag]);
1788 7cf289ca 2004-04-06 devnull default:
1789 7cf289ca 2004-04-06 devnull if(warn)
1790 7cf289ca 2004-04-06 devnull fprint(2, "warning: unknown HTML tag: %S\n", tok->text);
1794 7cf289ca 2004-04-06 devnull // some pages omit trailing </table>
1795 7cf289ca 2004-04-06 devnull while(curtab != nil) {
1796 7cf289ca 2004-04-06 devnull if(warn)
1797 7cf289ca 2004-04-06 devnull fprint(2, "warning: <TABLE> not closed\n");
1798 7cf289ca 2004-04-06 devnull if(curtab->cells != nil) {
1799 7cf289ca 2004-04-06 devnull ps = finishcell(curtab, ps);
1800 7cf289ca 2004-04-06 devnull if(curtab->cells == nil) {
1801 7cf289ca 2004-04-06 devnull if(warn)
1802 7cf289ca 2004-04-06 devnull fprint(2, "warning: empty table\n");
1805 7cf289ca 2004-04-06 devnull if(curtab->rows != nil)
1806 7cf289ca 2004-04-06 devnull curtab->rows->flags = 0;
1807 7cf289ca 2004-04-06 devnull finish_table(curtab);
1808 7cf289ca 2004-04-06 devnull ps->skipping = 0;
1809 7cf289ca 2004-04-06 devnull additem(ps, newitable(curtab), curtab->tabletok);
1810 7cf289ca 2004-04-06 devnull addbrk(ps, 0, 0);
1813 7cf289ca 2004-04-06 devnull if(is->tabstk != nil)
1814 7cf289ca 2004-04-06 devnull is->tabstk = is->tabstk->next;
1815 7cf289ca 2004-04-06 devnull curtab->next = di->tables;
1816 7cf289ca 2004-04-06 devnull di->tables = curtab;
1817 7cf289ca 2004-04-06 devnull curtab = is->tabstk;
1819 7cf289ca 2004-04-06 devnull outerps = lastps(ps);
1820 7cf289ca 2004-04-06 devnull ans = outerps->items->next;
1821 7cf289ca 2004-04-06 devnull // note: ans may be nil and di->kids not nil, if there's a frameset!
1822 7cf289ca 2004-04-06 devnull outerps->items = newispacer(ISPnull);
1823 7cf289ca 2004-04-06 devnull outerps->lastit = outerps->items;
1824 7cf289ca 2004-04-06 devnull is->psstk = ps;
1825 7cf289ca 2004-04-06 devnull if(ans != nil && di->hasscripts) {
1826 7cf289ca 2004-04-06 devnull // TODO evalscript(nil);
1830 7cf289ca 2004-04-06 devnull return_ans:
1831 7cf289ca 2004-04-06 devnull if(dbgbuild) {
1832 7cf289ca 2004-04-06 devnull assert(validitems(ans));
1833 7cf289ca 2004-04-06 devnull if(ans == nil)
1834 7cf289ca 2004-04-06 devnull fprint(2, "getitems returning nil\n");
1836 7cf289ca 2004-04-06 devnull printitems(ans, "getitems returning:");
1838 7cf289ca 2004-04-06 devnull return ans;
1841 7cf289ca 2004-04-06 devnull // Concatenate together maximal set of Data tokens, starting at toks[toki+1].
1842 7cf289ca 2004-04-06 devnull // Lexer has ensured that there will either be a following non-data token or
1843 7cf289ca 2004-04-06 devnull // we will be at eof.
1844 7cf289ca 2004-04-06 devnull // Return emallocd trimmed concatenation, and update *ptoki to last used toki
1845 7cf289ca 2004-04-06 devnull static Rune*
1846 7cf289ca 2004-04-06 devnull getpcdata(Token* toks, int tokslen, int* ptoki)
1848 7cf289ca 2004-04-06 devnull Rune* ans;
1849 7cf289ca 2004-04-06 devnull Rune* p;
1850 7cf289ca 2004-04-06 devnull Rune* trimans;
1851 7cf289ca 2004-04-06 devnull int anslen;
1852 7cf289ca 2004-04-06 devnull int trimanslen;
1853 7cf289ca 2004-04-06 devnull int toki;
1854 7cf289ca 2004-04-06 devnull Token* tok;
1856 7cf289ca 2004-04-06 devnull ans = nil;
1857 7cf289ca 2004-04-06 devnull anslen = 0;
1858 7cf289ca 2004-04-06 devnull // first find length of answer
1859 7cf289ca 2004-04-06 devnull toki = (*ptoki) + 1;
1860 7cf289ca 2004-04-06 devnull while(toki < tokslen) {
1861 7cf289ca 2004-04-06 devnull tok = &toks[toki];
1862 7cf289ca 2004-04-06 devnull if(tok->tag == Data) {
1863 7cf289ca 2004-04-06 devnull toki++;
1864 7cf289ca 2004-04-06 devnull anslen += _Strlen(tok->text);
1869 7cf289ca 2004-04-06 devnull // now make up the initial answer
1870 7cf289ca 2004-04-06 devnull if(anslen > 0) {
1871 7cf289ca 2004-04-06 devnull ans = _newstr(anslen);
1872 7cf289ca 2004-04-06 devnull p = ans;
1873 7cf289ca 2004-04-06 devnull toki = (*ptoki) + 1;
1874 7cf289ca 2004-04-06 devnull while(toki < tokslen) {
1875 7cf289ca 2004-04-06 devnull tok = &toks[toki];
1876 7cf289ca 2004-04-06 devnull if(tok->tag == Data) {
1877 7cf289ca 2004-04-06 devnull toki++;
1878 7cf289ca 2004-04-06 devnull p = _Stradd(p, tok->text, _Strlen(tok->text));
1883 7cf289ca 2004-04-06 devnull *p = 0;
1884 7cf289ca 2004-04-06 devnull _trimwhite(ans, anslen, &trimans, &trimanslen);
1885 7cf289ca 2004-04-06 devnull if(trimanslen != anslen) {
1886 7cf289ca 2004-04-06 devnull p = ans;
1887 7cf289ca 2004-04-06 devnull ans = _Strndup(trimans, trimanslen);
1888 7cf289ca 2004-04-06 devnull free(p);
1891 7cf289ca 2004-04-06 devnull *ptoki = toki-1;
1892 7cf289ca 2004-04-06 devnull return ans;
1895 7cf289ca 2004-04-06 devnull // If still parsing head of curtab->cells list, finish it off
1896 7cf289ca 2004-04-06 devnull // by transferring the items on the head of psstk to the cell.
1897 7cf289ca 2004-04-06 devnull // Then pop the psstk and return the new psstk.
1898 7cf289ca 2004-04-06 devnull static Pstate*
1899 7cf289ca 2004-04-06 devnull finishcell(Table* curtab, Pstate* psstk)
1901 7cf289ca 2004-04-06 devnull Tablecell* c;
1902 7cf289ca 2004-04-06 devnull Pstate* psstknext;
1904 7cf289ca 2004-04-06 devnull c = curtab->cells;
1905 7cf289ca 2004-04-06 devnull if(c != nil) {
1906 7cf289ca 2004-04-06 devnull if((c->flags&TFparsing)) {
1907 7cf289ca 2004-04-06 devnull psstknext = psstk->next;
1908 7cf289ca 2004-04-06 devnull if(psstknext == nil) {
1909 7cf289ca 2004-04-06 devnull if(warn)
1910 7cf289ca 2004-04-06 devnull fprint(2, "warning: parse state stack is wrong\n");
1913 7cf289ca 2004-04-06 devnull c->content = psstk->items->next;
1914 7cf289ca 2004-04-06 devnull c->flags &= ~TFparsing;
1915 7cf289ca 2004-04-06 devnull freepstate(psstk);
1916 7cf289ca 2004-04-06 devnull psstk = psstknext;
1920 7cf289ca 2004-04-06 devnull return psstk;
1923 7cf289ca 2004-04-06 devnull // Make a new Pstate for a cell, based on the old pstate, oldps.
1924 7cf289ca 2004-04-06 devnull // Also, put the new ps on the head of the oldps stack.
1925 7cf289ca 2004-04-06 devnull static Pstate*
1926 7cf289ca 2004-04-06 devnull cell_pstate(Pstate* oldps, int ishead)
1928 7cf289ca 2004-04-06 devnull Pstate* ps;
1929 7cf289ca 2004-04-06 devnull int sty;
1931 7cf289ca 2004-04-06 devnull ps = newpstate(oldps);
1932 7cf289ca 2004-04-06 devnull ps->skipwhite = 1;
1933 7cf289ca 2004-04-06 devnull ps->curanchor = oldps->curanchor;
1934 7cf289ca 2004-04-06 devnull copystack(&ps->fntstylestk, &oldps->fntstylestk);
1935 7cf289ca 2004-04-06 devnull copystack(&ps->fntsizestk, &oldps->fntsizestk);
1936 7cf289ca 2004-04-06 devnull ps->curfont = oldps->curfont;
1937 7cf289ca 2004-04-06 devnull ps->curfg = oldps->curfg;
1938 7cf289ca 2004-04-06 devnull ps->curbg = oldps->curbg;
1939 7cf289ca 2004-04-06 devnull copystack(&ps->fgstk, &oldps->fgstk);
1940 7cf289ca 2004-04-06 devnull ps->adjsize = oldps->adjsize;
1941 7cf289ca 2004-04-06 devnull if(ishead) {
1942 7cf289ca 2004-04-06 devnull sty = ps->curfont%NumSize;
1943 7cf289ca 2004-04-06 devnull ps->curfont = FntB*NumSize + sty;
1945 7cf289ca 2004-04-06 devnull return ps;
1948 7cf289ca 2004-04-06 devnull // Return a new Pstate with default starting state.
1949 7cf289ca 2004-04-06 devnull // Use link to add it to head of a list, if any.
1950 7cf289ca 2004-04-06 devnull static Pstate*
1951 7cf289ca 2004-04-06 devnull newpstate(Pstate* link)
1953 7cf289ca 2004-04-06 devnull Pstate* ps;
1955 7cf289ca 2004-04-06 devnull ps = (Pstate*)emalloc(sizeof(Pstate));
1956 7cf289ca 2004-04-06 devnull ps->curfont = DefFnt;
1957 7cf289ca 2004-04-06 devnull ps->curfg = Black;
1958 7cf289ca 2004-04-06 devnull ps->curbg.image = nil;
1959 7cf289ca 2004-04-06 devnull ps->curbg.color = White;
1960 7cf289ca 2004-04-06 devnull ps->curul = ULnone;
1961 7cf289ca 2004-04-06 devnull ps->curjust = ALleft;
1962 7cf289ca 2004-04-06 devnull ps->curstate = IFwrap;
1963 7cf289ca 2004-04-06 devnull ps->items = newispacer(ISPnull);
1964 7cf289ca 2004-04-06 devnull ps->lastit = ps->items;
1965 7cf289ca 2004-04-06 devnull ps->prelastit = nil;
1966 7cf289ca 2004-04-06 devnull ps->next = link;
1967 7cf289ca 2004-04-06 devnull return ps;
1970 7cf289ca 2004-04-06 devnull // Return last Pstate on psl list
1971 7cf289ca 2004-04-06 devnull static Pstate*
1972 7cf289ca 2004-04-06 devnull lastps(Pstate* psl)
1974 7cf289ca 2004-04-06 devnull assert(psl != nil);
1975 7cf289ca 2004-04-06 devnull while(psl->next != nil)
1976 7cf289ca 2004-04-06 devnull psl = psl->next;
1977 7cf289ca 2004-04-06 devnull return psl;
1980 7cf289ca 2004-04-06 devnull // Add it to end of ps item chain, adding in current state from ps.
1981 7cf289ca 2004-04-06 devnull // Also, if tok is not nil, scan it for generic attributes and assign
1982 7cf289ca 2004-04-06 devnull // the genattr field of the item accordingly.
1983 7cf289ca 2004-04-06 devnull static void
1984 7cf289ca 2004-04-06 devnull additem(Pstate* ps, Item* it, Token* tok)
1986 7cf289ca 2004-04-06 devnull int aid;
1987 7cf289ca 2004-04-06 devnull int any;
1988 7cf289ca 2004-04-06 devnull Rune* i;
1989 7cf289ca 2004-04-06 devnull Rune* c;
1990 7cf289ca 2004-04-06 devnull Rune* s;
1991 7cf289ca 2004-04-06 devnull Rune* t;
1992 7cf289ca 2004-04-06 devnull Attr* a;
1993 7cf289ca 2004-04-06 devnull SEvent* e;
1995 7cf289ca 2004-04-06 devnull if(ps->skipping) {
1996 7cf289ca 2004-04-06 devnull if(warn)
1997 7cf289ca 2004-04-06 devnull fprint(2, "warning: skipping item: %I\n", it);
1998 7cf289ca 2004-04-06 devnull return;
2000 7cf289ca 2004-04-06 devnull it->anchorid = ps->curanchor;
2001 7cf289ca 2004-04-06 devnull it->state |= ps->curstate;
2002 7cf289ca 2004-04-06 devnull if(tok != nil) {
2003 7cf289ca 2004-04-06 devnull any = 0;
2004 7cf289ca 2004-04-06 devnull i = nil;
2005 7cf289ca 2004-04-06 devnull c = nil;
2006 7cf289ca 2004-04-06 devnull s = nil;
2007 7cf289ca 2004-04-06 devnull t = nil;
2008 7cf289ca 2004-04-06 devnull e = nil;
2009 7cf289ca 2004-04-06 devnull for(a = tok->attr; a != nil; a = a->next) {
2010 7cf289ca 2004-04-06 devnull aid = a->attid;
2011 7cf289ca 2004-04-06 devnull if(!attrinfo[aid])
2012 7cf289ca 2004-04-06 devnull continue;
2013 7cf289ca 2004-04-06 devnull switch(aid) {
2014 7cf289ca 2004-04-06 devnull case Aid:
2015 7cf289ca 2004-04-06 devnull i = a->value;
2018 7cf289ca 2004-04-06 devnull case Aclass:
2019 7cf289ca 2004-04-06 devnull c = a->value;
2022 7cf289ca 2004-04-06 devnull case Astyle:
2023 7cf289ca 2004-04-06 devnull s = a->value;
2026 7cf289ca 2004-04-06 devnull case Atitle:
2027 7cf289ca 2004-04-06 devnull t = a->value;
2030 7cf289ca 2004-04-06 devnull default:
2031 7cf289ca 2004-04-06 devnull assert(aid >= Aonblur && aid <= Aonunload);
2032 7cf289ca 2004-04-06 devnull e = newscriptevent(scriptev[a->attid], a->value, e);
2035 7cf289ca 2004-04-06 devnull a->value = nil;
2036 7cf289ca 2004-04-06 devnull any = 1;
2038 7cf289ca 2004-04-06 devnull if(any)
2039 7cf289ca 2004-04-06 devnull it->genattr = newgenattr(i, c, s, t, e);
2041 7cf289ca 2004-04-06 devnull ps->curstate &= ~(IFbrk|IFbrksp|IFnobrk|IFcleft|IFcright);
2042 7cf289ca 2004-04-06 devnull ps->prelastit = ps->lastit;
2043 7cf289ca 2004-04-06 devnull ps->lastit->next = it;
2044 7cf289ca 2004-04-06 devnull ps->lastit = it;
2047 7cf289ca 2004-04-06 devnull // Make a text item out of s,
2048 7cf289ca 2004-04-06 devnull // using current font, foreground, vertical offset and underline state.
2049 7cf289ca 2004-04-06 devnull static Item*
2050 7cf289ca 2004-04-06 devnull textit(Pstate* ps, Rune* s)
2052 7cf289ca 2004-04-06 devnull assert(s != nil);
2053 7cf289ca 2004-04-06 devnull return newitext(s, ps->curfont, ps->curfg, ps->curvoff + Voffbias, ps->curul);
2056 7cf289ca 2004-04-06 devnull // Add text item or items for s, paying attention to
2057 7cf289ca 2004-04-06 devnull // current font, foreground, baseline offset, underline state,
2058 7cf289ca 2004-04-06 devnull // and literal mode. Unless we're in literal mode, compress
2059 7cf289ca 2004-04-06 devnull // whitespace to single blank, and, if curstate has a break,
2060 7cf289ca 2004-04-06 devnull // trim any leading whitespace. Whether in literal mode or not,
2061 7cf289ca 2004-04-06 devnull // turn nonbreaking spaces into spacer items with IFnobrk set.
2063 7cf289ca 2004-04-06 devnull // In literal mode, break up s at newlines and add breaks instead.
2064 7cf289ca 2004-04-06 devnull // Also replace tabs appropriate number of spaces.
2065 7cf289ca 2004-04-06 devnull // In nonliteral mode, break up the items every 100 or so characters
2066 7cf289ca 2004-04-06 devnull // just to make the layout algorithm not go quadratic.
2068 7cf289ca 2004-04-06 devnull // addtext assumes ownership of s.
2069 7cf289ca 2004-04-06 devnull static void
2070 7cf289ca 2004-04-06 devnull addtext(Pstate* ps, Rune* s)
2076 7cf289ca 2004-04-06 devnull int col;
2078 7cf289ca 2004-04-06 devnull int nsp;
2079 7cf289ca 2004-04-06 devnull Item* it;
2080 7cf289ca 2004-04-06 devnull Rune* ss;
2081 7cf289ca 2004-04-06 devnull Rune* p;
2082 7cf289ca 2004-04-06 devnull Rune buf[SMALLBUFSIZE];
2084 7cf289ca 2004-04-06 devnull assert(s != nil);
2085 7cf289ca 2004-04-06 devnull n = runestrlen(s);
2088 7cf289ca 2004-04-06 devnull if(ps->literal) {
2089 7cf289ca 2004-04-06 devnull col = 0;
2090 7cf289ca 2004-04-06 devnull while(i < n) {
2091 7cf289ca 2004-04-06 devnull if(s[i] == '\n') {
2092 7cf289ca 2004-04-06 devnull if(i > j) {
2093 7cf289ca 2004-04-06 devnull // trim trailing blanks from line
2094 7cf289ca 2004-04-06 devnull for(k = i; k > j; k--)
2095 7cf289ca 2004-04-06 devnull if(s[k - 1] != ' ')
2097 7cf289ca 2004-04-06 devnull if(k > j)
2098 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(s+j, k-j)), nil);
2100 7cf289ca 2004-04-06 devnull addlinebrk(ps, 0);
2101 7cf289ca 2004-04-06 devnull j = i + 1;
2102 7cf289ca 2004-04-06 devnull col = 0;
2105 7cf289ca 2004-04-06 devnull if(s[i] == '\t') {
2106 7cf289ca 2004-04-06 devnull col += i - j;
2107 7cf289ca 2004-04-06 devnull nsp = 8 - (col%8);
2108 7cf289ca 2004-04-06 devnull // make ss = s[j:i] + nsp spaces
2109 7cf289ca 2004-04-06 devnull ss = _newstr(i-j+nsp);
2110 7cf289ca 2004-04-06 devnull p = _Stradd(ss, s+j, i-j);
2111 7cf289ca 2004-04-06 devnull p = _Stradd(p, L(Ltab2space), nsp);
2112 7cf289ca 2004-04-06 devnull *p = 0;
2113 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, ss), nil);
2114 7cf289ca 2004-04-06 devnull col += nsp;
2115 7cf289ca 2004-04-06 devnull j = i + 1;
2117 7cf289ca 2004-04-06 devnull else if(s[i] == NBSP) {
2118 7cf289ca 2004-04-06 devnull if(i > j)
2119 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(s+j, i-j)), nil);
2120 7cf289ca 2004-04-06 devnull addnbsp(ps);
2121 7cf289ca 2004-04-06 devnull col += (i - j) + 1;
2122 7cf289ca 2004-04-06 devnull j = i + 1;
2127 7cf289ca 2004-04-06 devnull if(i > j) {
2128 7cf289ca 2004-04-06 devnull if(j == 0 && i == n) {
2129 7cf289ca 2004-04-06 devnull // just transfer s over
2130 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, s), nil);
2133 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(s+j, i-j)), nil);
2134 7cf289ca 2004-04-06 devnull free(s);
2138 7cf289ca 2004-04-06 devnull else { // not literal mode
2139 7cf289ca 2004-04-06 devnull if((ps->curstate&IFbrk) || ps->lastit == ps->items)
2140 7cf289ca 2004-04-06 devnull while(i < n) {
2141 7cf289ca 2004-04-06 devnull c = s[i];
2142 7cf289ca 2004-04-06 devnull if(c >= 256 || !isspace(c))
2146 7cf289ca 2004-04-06 devnull p = buf;
2147 7cf289ca 2004-04-06 devnull for(j = i; i < n; i++) {
2148 7cf289ca 2004-04-06 devnull assert(p+i-j < buf+SMALLBUFSIZE-1);
2149 7cf289ca 2004-04-06 devnull c = s[i];
2150 7cf289ca 2004-04-06 devnull if(c == NBSP) {
2151 7cf289ca 2004-04-06 devnull if(i > j)
2152 7cf289ca 2004-04-06 devnull p = _Stradd(p, s+j, i-j);
2153 7cf289ca 2004-04-06 devnull if(p > buf)
2154 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(buf, p-buf)), nil);
2155 7cf289ca 2004-04-06 devnull p = buf;
2156 7cf289ca 2004-04-06 devnull addnbsp(ps);
2157 7cf289ca 2004-04-06 devnull j = i + 1;
2158 7cf289ca 2004-04-06 devnull continue;
2160 7cf289ca 2004-04-06 devnull if(c < 256 && isspace(c)) {
2161 7cf289ca 2004-04-06 devnull if(i > j)
2162 7cf289ca 2004-04-06 devnull p = _Stradd(p, s+j, i-j);
2163 7cf289ca 2004-04-06 devnull *p++ = ' ';
2164 7cf289ca 2004-04-06 devnull while(i < n - 1) {
2165 7cf289ca 2004-04-06 devnull c = s[i + 1];
2166 7cf289ca 2004-04-06 devnull if(c >= 256 || !isspace(c))
2170 7cf289ca 2004-04-06 devnull j = i + 1;
2172 7cf289ca 2004-04-06 devnull if(i - j >= 100) {
2173 7cf289ca 2004-04-06 devnull p = _Stradd(p, s+j, i+1-j);
2174 7cf289ca 2004-04-06 devnull j = i + 1;
2176 7cf289ca 2004-04-06 devnull if(p-buf >= 100) {
2177 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(buf, p-buf)), nil);
2178 7cf289ca 2004-04-06 devnull p = buf;
2181 7cf289ca 2004-04-06 devnull if(i > j && j < n) {
2182 7cf289ca 2004-04-06 devnull assert(p+i-j < buf+SMALLBUFSIZE-1);
2183 7cf289ca 2004-04-06 devnull p = _Stradd(p, s+j, i-j);
2185 7cf289ca 2004-04-06 devnull // don't add a space if previous item ended in a space
2186 7cf289ca 2004-04-06 devnull if(p-buf == 1 && buf[0] == ' ' && ps->lastit != nil) {
2187 7cf289ca 2004-04-06 devnull it = ps->lastit;
2188 7cf289ca 2004-04-06 devnull if(it->tag == Itexttag) {
2189 7cf289ca 2004-04-06 devnull ss = ((Itext*)it)->s;
2190 7cf289ca 2004-04-06 devnull k = _Strlen(ss);
2191 7cf289ca 2004-04-06 devnull if(k > 0 && ss[k] == ' ')
2192 7cf289ca 2004-04-06 devnull p = buf;
2195 7cf289ca 2004-04-06 devnull if(p > buf)
2196 7cf289ca 2004-04-06 devnull additem(ps, textit(ps, _Strndup(buf, p-buf)), nil);
2197 7cf289ca 2004-04-06 devnull free(s);
2201 7cf289ca 2004-04-06 devnull // Add a break to ps->curstate, with extra space if sp is true.
2202 7cf289ca 2004-04-06 devnull // If there was a previous break, combine this one's parameters
2203 7cf289ca 2004-04-06 devnull // with that to make the amt be the max of the two and the clr
2204 7cf289ca 2004-04-06 devnull // be the most general. (amt will be 0 or 1)
2205 7cf289ca 2004-04-06 devnull // Also, if the immediately preceding item was a text item,
2206 7cf289ca 2004-04-06 devnull // trim any whitespace from the end of it, if not in literal mode.
2207 7cf289ca 2004-04-06 devnull // Finally, if this is at the very beginning of the item list
2208 7cf289ca 2004-04-06 devnull // (the only thing there is a null spacer), then don't add the space.
2209 7cf289ca 2004-04-06 devnull static void
2210 7cf289ca 2004-04-06 devnull addbrk(Pstate* ps, int sp, int clr)
2212 7cf289ca 2004-04-06 devnull int state;
2213 7cf289ca 2004-04-06 devnull Rune* l;
2214 7cf289ca 2004-04-06 devnull int nl;
2215 7cf289ca 2004-04-06 devnull Rune* r;
2216 7cf289ca 2004-04-06 devnull int nr;
2217 7cf289ca 2004-04-06 devnull Itext* t;
2218 7cf289ca 2004-04-06 devnull Rune* s;
2220 7cf289ca 2004-04-06 devnull state = ps->curstate;
2221 7cf289ca 2004-04-06 devnull clr = clr|(state&(IFcleft|IFcright));
2222 7cf289ca 2004-04-06 devnull if(sp && !(ps->lastit == ps->items))
2223 7cf289ca 2004-04-06 devnull sp = IFbrksp;
2225 7cf289ca 2004-04-06 devnull sp = 0;
2226 7cf289ca 2004-04-06 devnull ps->curstate = IFbrk|sp|(state&~(IFcleft|IFcright))|clr;
2227 7cf289ca 2004-04-06 devnull if(ps->lastit != ps->items) {
2228 7cf289ca 2004-04-06 devnull if(!ps->literal && ps->lastit->tag == Itexttag) {
2229 7cf289ca 2004-04-06 devnull t = (Itext*)ps->lastit;
2230 7cf289ca 2004-04-06 devnull _splitr(t->s, _Strlen(t->s), notwhitespace, &l, &nl, &r, &nr);
2231 7cf289ca 2004-04-06 devnull // try to avoid making empty items
2232 7cf289ca 2004-04-06 devnull // but not crucial f the occasional one gets through
2233 7cf289ca 2004-04-06 devnull if(nl == 0 && ps->prelastit != nil) {
2234 7cf289ca 2004-04-06 devnull ps->lastit = ps->prelastit;
2235 7cf289ca 2004-04-06 devnull ps->lastit->next = nil;
2236 7cf289ca 2004-04-06 devnull ps->prelastit = nil;
2239 7cf289ca 2004-04-06 devnull s = t->s;
2240 7cf289ca 2004-04-06 devnull if(nl == 0) {
2241 7cf289ca 2004-04-06 devnull // need a non-nil pointer to empty string
2242 7cf289ca 2004-04-06 devnull // (_Strdup(L(Lempty)) returns nil)
2243 7cf289ca 2004-04-06 devnull t->s = emalloc(sizeof(Rune));
2244 7cf289ca 2004-04-06 devnull t->s[0] = 0;
2247 7cf289ca 2004-04-06 devnull t->s = _Strndup(l, nl);
2249 7cf289ca 2004-04-06 devnull free(s);
2255 7cf289ca 2004-04-06 devnull // Add break due to a <br> or a newline within a preformatted section.
2256 7cf289ca 2004-04-06 devnull // We add a null item first, with current font's height and ascent, to make
2257 7cf289ca 2004-04-06 devnull // sure that the current line takes up at least that amount of vertical space.
2258 7cf289ca 2004-04-06 devnull // This ensures that <br>s on empty lines cause blank lines, and that
2259 7cf289ca 2004-04-06 devnull // multiple <br>s in a row give multiple blank lines.
2260 7cf289ca 2004-04-06 devnull // However don't add the spacer if the previous item was something that
2261 7cf289ca 2004-04-06 devnull // takes up space itself.
2262 7cf289ca 2004-04-06 devnull static void
2263 7cf289ca 2004-04-06 devnull addlinebrk(Pstate* ps, int clr)
2265 7cf289ca 2004-04-06 devnull int obrkstate;
2267 7cf289ca 2004-04-06 devnull int addit;
2269 7cf289ca 2004-04-06 devnull // don't want break before our null item unless the previous item
2270 7cf289ca 2004-04-06 devnull // was also a null item for the purposes of line breaking
2271 7cf289ca 2004-04-06 devnull obrkstate = ps->curstate&(IFbrk|IFbrksp);
2272 7cf289ca 2004-04-06 devnull b = IFnobrk;
2273 7cf289ca 2004-04-06 devnull addit = 0;
2274 7cf289ca 2004-04-06 devnull if(ps->lastit != nil) {
2275 7cf289ca 2004-04-06 devnull if(ps->lastit->tag == Ispacertag) {
2276 7cf289ca 2004-04-06 devnull if(((Ispacer*)ps->lastit)->spkind == ISPvline)
2277 7cf289ca 2004-04-06 devnull b = IFbrk;
2278 7cf289ca 2004-04-06 devnull addit = 1;
2280 7cf289ca 2004-04-06 devnull else if(ps->lastit->tag == Ifloattag)
2281 7cf289ca 2004-04-06 devnull addit = 1;
2283 7cf289ca 2004-04-06 devnull if(addit) {
2284 7cf289ca 2004-04-06 devnull ps->curstate = (ps->curstate&~(IFbrk|IFbrksp))|b;
2285 7cf289ca 2004-04-06 devnull additem(ps, newispacer(ISPvline), nil);
2286 7cf289ca 2004-04-06 devnull ps->curstate = (ps->curstate&~(IFbrk|IFbrksp))|obrkstate;
2288 7cf289ca 2004-04-06 devnull addbrk(ps, 0, clr);
2291 7cf289ca 2004-04-06 devnull // Add a nonbreakable space
2292 7cf289ca 2004-04-06 devnull static void
2293 7cf289ca 2004-04-06 devnull addnbsp(Pstate* ps)
2295 7cf289ca 2004-04-06 devnull // if nbsp comes right where a break was specified,
2296 7cf289ca 2004-04-06 devnull // do the break anyway (nbsp is being used to generate undiscardable
2297 7cf289ca 2004-04-06 devnull // space rather than to prevent a break)
2298 7cf289ca 2004-04-06 devnull if((ps->curstate&IFbrk) == 0)
2299 7cf289ca 2004-04-06 devnull ps->curstate |= IFnobrk;
2300 7cf289ca 2004-04-06 devnull additem(ps, newispacer(ISPhspace), nil);
2301 7cf289ca 2004-04-06 devnull // but definitely no break on next item
2302 7cf289ca 2004-04-06 devnull ps->curstate |= IFnobrk;
2305 7cf289ca 2004-04-06 devnull // Change hang in ps.curstate by delta.
2306 7cf289ca 2004-04-06 devnull // The amount is in 1/10ths of tabs, and is the amount that
2307 7cf289ca 2004-04-06 devnull // the current contiguous set of items with a hang value set
2308 7cf289ca 2004-04-06 devnull // is to be shifted left from its normal (indented) place.
2309 7cf289ca 2004-04-06 devnull static void
2310 7cf289ca 2004-04-06 devnull changehang(Pstate* ps, int delta)
2312 7cf289ca 2004-04-06 devnull int amt;
2314 7cf289ca 2004-04-06 devnull amt = (ps->curstate&IFhangmask) + delta;
2315 7cf289ca 2004-04-06 devnull if(amt < 0) {
2316 7cf289ca 2004-04-06 devnull if(warn)
2317 7cf289ca 2004-04-06 devnull fprint(2, "warning: hang went negative\n");
2318 7cf289ca 2004-04-06 devnull amt = 0;
2320 7cf289ca 2004-04-06 devnull ps->curstate = (ps->curstate&~IFhangmask)|amt;
2323 7cf289ca 2004-04-06 devnull // Change indent in ps.curstate by delta.
2324 7cf289ca 2004-04-06 devnull static void
2325 7cf289ca 2004-04-06 devnull changeindent(Pstate* ps, int delta)
2327 7cf289ca 2004-04-06 devnull int amt;
2329 7cf289ca 2004-04-06 devnull amt = ((ps->curstate&IFindentmask) >> IFindentshift) + delta;
2330 7cf289ca 2004-04-06 devnull if(amt < 0) {
2331 7cf289ca 2004-04-06 devnull if(warn)
2332 7cf289ca 2004-04-06 devnull fprint(2, "warning: indent went negative\n");
2333 7cf289ca 2004-04-06 devnull amt = 0;
2335 7cf289ca 2004-04-06 devnull ps->curstate = (ps->curstate&~IFindentmask)|(amt << IFindentshift);
2338 7cf289ca 2004-04-06 devnull // Push val on top of stack, and also return value pushed
2339 7cf289ca 2004-04-06 devnull static int
2340 7cf289ca 2004-04-06 devnull push(Stack* stk, int val)
2342 7cf289ca 2004-04-06 devnull if(stk->n == Nestmax) {
2343 7cf289ca 2004-04-06 devnull if(warn)
2344 7cf289ca 2004-04-06 devnull fprint(2, "warning: build stack overflow\n");
2347 7cf289ca 2004-04-06 devnull stk->slots[stk->n++] = val;
2348 7cf289ca 2004-04-06 devnull return val;
2351 7cf289ca 2004-04-06 devnull // Pop top of stack
2352 7cf289ca 2004-04-06 devnull static void
2353 7cf289ca 2004-04-06 devnull pop(Stack* stk)
2355 7cf289ca 2004-04-06 devnull if(stk->n > 0)
2356 7cf289ca 2004-04-06 devnull --stk->n;
2359 7cf289ca 2004-04-06 devnull //Return top of stack, using dflt if stack is empty
2360 7cf289ca 2004-04-06 devnull static int
2361 7cf289ca 2004-04-06 devnull top(Stack* stk, int dflt)
2363 7cf289ca 2004-04-06 devnull if(stk->n == 0)
2364 7cf289ca 2004-04-06 devnull return dflt;
2365 7cf289ca 2004-04-06 devnull return stk->slots[stk->n-1];
2368 7cf289ca 2004-04-06 devnull // pop, then return new top, with dflt if empty
2369 7cf289ca 2004-04-06 devnull static int
2370 7cf289ca 2004-04-06 devnull popretnewtop(Stack* stk, int dflt)
2372 7cf289ca 2004-04-06 devnull if(stk->n == 0)
2373 7cf289ca 2004-04-06 devnull return dflt;
2374 7cf289ca 2004-04-06 devnull stk->n--;
2375 7cf289ca 2004-04-06 devnull if(stk->n == 0)
2376 7cf289ca 2004-04-06 devnull return dflt;
2377 7cf289ca 2004-04-06 devnull return stk->slots[stk->n-1];
2380 7cf289ca 2004-04-06 devnull // Copy fromstk entries into tostk
2381 7cf289ca 2004-04-06 devnull static void
2382 7cf289ca 2004-04-06 devnull copystack(Stack* tostk, Stack* fromstk)
2386 7cf289ca 2004-04-06 devnull n = fromstk->n;
2387 7cf289ca 2004-04-06 devnull tostk->n = n;
2388 7cf289ca 2004-04-06 devnull memmove(tostk->slots, fromstk->slots, n*sizeof(int));
2391 7cf289ca 2004-04-06 devnull static void
2392 7cf289ca 2004-04-06 devnull popfontstyle(Pstate* ps)
2394 7cf289ca 2004-04-06 devnull pop(&ps->fntstylestk);
2395 7cf289ca 2004-04-06 devnull setcurfont(ps);
2398 7cf289ca 2004-04-06 devnull static void
2399 7cf289ca 2004-04-06 devnull pushfontstyle(Pstate* ps, int sty)
2401 7cf289ca 2004-04-06 devnull push(&ps->fntstylestk, sty);
2402 7cf289ca 2004-04-06 devnull setcurfont(ps);
2405 7cf289ca 2004-04-06 devnull static void
2406 7cf289ca 2004-04-06 devnull popfontsize(Pstate* ps)
2408 7cf289ca 2004-04-06 devnull pop(&ps->fntsizestk);
2409 7cf289ca 2004-04-06 devnull setcurfont(ps);
2412 7cf289ca 2004-04-06 devnull static void
2413 7cf289ca 2004-04-06 devnull pushfontsize(Pstate* ps, int sz)
2415 7cf289ca 2004-04-06 devnull push(&ps->fntsizestk, sz);
2416 7cf289ca 2004-04-06 devnull setcurfont(ps);
2419 7cf289ca 2004-04-06 devnull static void
2420 7cf289ca 2004-04-06 devnull setcurfont(Pstate* ps)
2422 7cf289ca 2004-04-06 devnull int sty;
2423 7cf289ca 2004-04-06 devnull int sz;
2425 7cf289ca 2004-04-06 devnull sty = top(&ps->fntstylestk, FntR);
2426 7cf289ca 2004-04-06 devnull sz = top(&ps->fntsizestk, Normal);
2427 7cf289ca 2004-04-06 devnull if(sz < Tiny)
2428 7cf289ca 2004-04-06 devnull sz = Tiny;
2429 7cf289ca 2004-04-06 devnull if(sz > Verylarge)
2430 7cf289ca 2004-04-06 devnull sz = Verylarge;
2431 7cf289ca 2004-04-06 devnull ps->curfont = sty*NumSize + sz;
2434 7cf289ca 2004-04-06 devnull static void
2435 7cf289ca 2004-04-06 devnull popjust(Pstate* ps)
2437 7cf289ca 2004-04-06 devnull pop(&ps->juststk);
2438 7cf289ca 2004-04-06 devnull setcurjust(ps);
2441 7cf289ca 2004-04-06 devnull static void
2442 7cf289ca 2004-04-06 devnull pushjust(Pstate* ps, int j)
2444 7cf289ca 2004-04-06 devnull push(&ps->juststk, j);
2445 7cf289ca 2004-04-06 devnull setcurjust(ps);
2448 7cf289ca 2004-04-06 devnull static void
2449 7cf289ca 2004-04-06 devnull setcurjust(Pstate* ps)
2452 7cf289ca 2004-04-06 devnull int state;
2454 7cf289ca 2004-04-06 devnull j = top(&ps->juststk, ALleft);
2455 7cf289ca 2004-04-06 devnull if(j != ps->curjust) {
2456 7cf289ca 2004-04-06 devnull ps->curjust = j;
2457 7cf289ca 2004-04-06 devnull state = ps->curstate;
2458 7cf289ca 2004-04-06 devnull state &= ~(IFrjust|IFcjust);
2459 7cf289ca 2004-04-06 devnull if(j == ALcenter)
2460 7cf289ca 2004-04-06 devnull state |= IFcjust;
2461 7cf289ca 2004-04-06 devnull else if(j == ALright)
2462 7cf289ca 2004-04-06 devnull state |= IFrjust;
2463 7cf289ca 2004-04-06 devnull ps->curstate = state;
2467 7cf289ca 2004-04-06 devnull // Do final rearrangement after table parsing is finished
2468 7cf289ca 2004-04-06 devnull // and assign cells to grid points
2469 7cf289ca 2004-04-06 devnull static void
2470 7cf289ca 2004-04-06 devnull finish_table(Table* t)
2472 7cf289ca 2004-04-06 devnull int ncol;
2473 7cf289ca 2004-04-06 devnull int nrow;
2475 7cf289ca 2004-04-06 devnull Tablerow* rl;
2476 7cf289ca 2004-04-06 devnull Tablecell* cl;
2477 7cf289ca 2004-04-06 devnull int* rowspancnt;
2478 7cf289ca 2004-04-06 devnull Tablecell** rowspancell;
2479 7cf289ca 2004-04-06 devnull int ri;
2480 7cf289ca 2004-04-06 devnull int ci;
2481 7cf289ca 2004-04-06 devnull Tablecell* c;
2482 7cf289ca 2004-04-06 devnull Tablecell* cnext;
2483 7cf289ca 2004-04-06 devnull Tablerow* row;
2484 7cf289ca 2004-04-06 devnull Tablerow* rownext;
2485 7cf289ca 2004-04-06 devnull int rcols;
2486 7cf289ca 2004-04-06 devnull int newncol;
2489 7cf289ca 2004-04-06 devnull int cspan;
2490 7cf289ca 2004-04-06 devnull int rspan;
2493 7cf289ca 2004-04-06 devnull rl = t->rows;
2494 7cf289ca 2004-04-06 devnull t->nrow = nrow = _listlen((List*)rl);
2495 7cf289ca 2004-04-06 devnull t->rows = (Tablerow*)emalloc(nrow * sizeof(Tablerow));
2496 7cf289ca 2004-04-06 devnull ncol = 0;
2497 7cf289ca 2004-04-06 devnull r = nrow - 1;
2498 7cf289ca 2004-04-06 devnull for(row = rl; row != nil; row = rownext) {
2499 7cf289ca 2004-04-06 devnull // copy the data from the allocated Tablerow into the array slot
2500 7cf289ca 2004-04-06 devnull t->rows[r] = *row;
2501 7cf289ca 2004-04-06 devnull rownext = row->next;
2502 7cf289ca 2004-04-06 devnull row = &t->rows[r];
2504 7cf289ca 2004-04-06 devnull rcols = 0;
2505 7cf289ca 2004-04-06 devnull c = row->cells;
2507 7cf289ca 2004-04-06 devnull // If rowspan is > 1 but this is the last row,
2508 7cf289ca 2004-04-06 devnull // reset the rowspan
2509 7cf289ca 2004-04-06 devnull if(c != nil && c->rowspan > 1 && r == nrow-2)
2510 7cf289ca 2004-04-06 devnull c->rowspan = 1;
2512 7cf289ca 2004-04-06 devnull // reverse row->cells list (along nextinrow pointers)
2513 7cf289ca 2004-04-06 devnull row->cells = nil;
2514 7cf289ca 2004-04-06 devnull while(c != nil) {
2515 7cf289ca 2004-04-06 devnull cnext = c->nextinrow;
2516 7cf289ca 2004-04-06 devnull c->nextinrow = row->cells;
2517 7cf289ca 2004-04-06 devnull row->cells = c;
2518 7cf289ca 2004-04-06 devnull rcols += c->colspan;
2519 7cf289ca 2004-04-06 devnull c = cnext;
2521 7cf289ca 2004-04-06 devnull if(rcols > ncol)
2522 7cf289ca 2004-04-06 devnull ncol = rcols;
2524 7cf289ca 2004-04-06 devnull t->ncol = ncol;
2525 7cf289ca 2004-04-06 devnull t->cols = (Tablecol*)emalloc(ncol * sizeof(Tablecol));
2527 7cf289ca 2004-04-06 devnull // Reverse cells just so they are drawn in source order.
2528 7cf289ca 2004-04-06 devnull // Also, trim their contents so they don't end in whitespace.
2529 7cf289ca 2004-04-06 devnull t->cells = (Tablecell*)_revlist((List*)t->cells);
2530 7cf289ca 2004-04-06 devnull for(c = t->cells; c != nil; c= c->next)
2531 7cf289ca 2004-04-06 devnull trim_cell(c);
2532 7cf289ca 2004-04-06 devnull t->grid = (Tablecell***)emalloc(nrow * sizeof(Tablecell**));
2533 7cf289ca 2004-04-06 devnull for(i = 0; i < nrow; i++)
2534 7cf289ca 2004-04-06 devnull t->grid[i] = (Tablecell**)emalloc(ncol * sizeof(Tablecell*));
2536 7cf289ca 2004-04-06 devnull // The following arrays keep track of cells that are spanning
2537 7cf289ca 2004-04-06 devnull // multiple rows; rowspancnt[i] is the number of rows left
2538 7cf289ca 2004-04-06 devnull // to be spanned in column i.
2539 7cf289ca 2004-04-06 devnull // When done, cell's (row,col) is upper left grid point.
2540 7cf289ca 2004-04-06 devnull rowspancnt = (int*)emalloc(ncol * sizeof(int));
2541 7cf289ca 2004-04-06 devnull rowspancell = (Tablecell**)emalloc(ncol * sizeof(Tablecell*));
2542 7cf289ca 2004-04-06 devnull for(ri = 0; ri < nrow; ri++) {
2543 7cf289ca 2004-04-06 devnull row = &t->rows[ri];
2544 7cf289ca 2004-04-06 devnull cl = row->cells;
2545 7cf289ca 2004-04-06 devnull ci = 0;
2546 7cf289ca 2004-04-06 devnull while(ci < ncol || cl != nil) {
2547 7cf289ca 2004-04-06 devnull if(ci < ncol && rowspancnt[ci] > 0) {
2548 7cf289ca 2004-04-06 devnull t->grid[ri][ci] = rowspancell[ci];
2549 7cf289ca 2004-04-06 devnull rowspancnt[ci]--;
2553 7cf289ca 2004-04-06 devnull if(cl == nil) {
2555 7cf289ca 2004-04-06 devnull continue;
2557 7cf289ca 2004-04-06 devnull c = cl;
2558 7cf289ca 2004-04-06 devnull cl = cl->nextinrow;
2559 7cf289ca 2004-04-06 devnull cspan = c->colspan;
2560 7cf289ca 2004-04-06 devnull rspan = c->rowspan;
2561 7cf289ca 2004-04-06 devnull if(ci + cspan > ncol) {
2562 7cf289ca 2004-04-06 devnull // because of row spanning, we calculated
2563 7cf289ca 2004-04-06 devnull // ncol incorrectly; adjust it
2564 7cf289ca 2004-04-06 devnull newncol = ci + cspan;
2565 7cf289ca 2004-04-06 devnull t->cols = (Tablecol*)erealloc(t->cols, newncol * sizeof(Tablecol));
2566 7cf289ca 2004-04-06 devnull rowspancnt = (int*)erealloc(rowspancnt, newncol * sizeof(int));
2567 7cf289ca 2004-04-06 devnull rowspancell = (Tablecell**)erealloc(rowspancell, newncol * sizeof(Tablecell*));
2568 7cf289ca 2004-04-06 devnull k = newncol-ncol;
2569 7cf289ca 2004-04-06 devnull memset(t->cols+ncol, 0, k*sizeof(Tablecol));
2570 7cf289ca 2004-04-06 devnull memset(rowspancnt+ncol, 0, k*sizeof(int));
2571 7cf289ca 2004-04-06 devnull memset(rowspancell+ncol, 0, k*sizeof(Tablecell*));
2572 7cf289ca 2004-04-06 devnull for(j = 0; j < nrow; j++) {
2573 7cf289ca 2004-04-06 devnull t->grid[j] = (Tablecell**)erealloc(t->grid[j], newncol * sizeof(Tablecell*));
2574 7cf289ca 2004-04-06 devnull memset(t->grid[j], 0, k*sizeof(Tablecell*));
2576 7cf289ca 2004-04-06 devnull t->ncol = ncol = newncol;
2578 7cf289ca 2004-04-06 devnull c->row = ri;
2579 7cf289ca 2004-04-06 devnull c->col = ci;
2580 7cf289ca 2004-04-06 devnull for(i = 0; i < cspan; i++) {
2581 7cf289ca 2004-04-06 devnull t->grid[ri][ci] = c;
2582 7cf289ca 2004-04-06 devnull if(rspan > 1) {
2583 7cf289ca 2004-04-06 devnull rowspancnt[ci] = rspan - 1;
2584 7cf289ca 2004-04-06 devnull rowspancell[ci] = c;
2593 7cf289ca 2004-04-06 devnull // Remove tail of cell content until it isn't whitespace.
2594 7cf289ca 2004-04-06 devnull static void
2595 7cf289ca 2004-04-06 devnull trim_cell(Tablecell* c)
2597 7cf289ca 2004-04-06 devnull int dropping;
2598 7cf289ca 2004-04-06 devnull Rune* s;
2599 7cf289ca 2004-04-06 devnull Rune* x;
2600 7cf289ca 2004-04-06 devnull Rune* y;
2601 7cf289ca 2004-04-06 devnull int nx;
2602 7cf289ca 2004-04-06 devnull int ny;
2603 7cf289ca 2004-04-06 devnull Item* p;
2604 7cf289ca 2004-04-06 devnull Itext* q;
2605 7cf289ca 2004-04-06 devnull Item* pprev;
2607 7cf289ca 2004-04-06 devnull dropping = 1;
2608 7cf289ca 2004-04-06 devnull while(c->content != nil && dropping) {
2609 7cf289ca 2004-04-06 devnull p = c->content;
2610 7cf289ca 2004-04-06 devnull pprev = nil;
2611 7cf289ca 2004-04-06 devnull while(p->next != nil) {
2612 7cf289ca 2004-04-06 devnull pprev = p;
2613 7cf289ca 2004-04-06 devnull p = p->next;
2615 7cf289ca 2004-04-06 devnull dropping = 0;
2616 7cf289ca 2004-04-06 devnull if(!(p->state&IFnobrk)) {
2617 7cf289ca 2004-04-06 devnull if(p->tag == Itexttag) {
2618 7cf289ca 2004-04-06 devnull q = (Itext*)p;
2619 7cf289ca 2004-04-06 devnull s = q->s;
2620 7cf289ca 2004-04-06 devnull _splitr(s, _Strlen(s), notwhitespace, &x, &nx, &y, &ny);
2621 7cf289ca 2004-04-06 devnull if(nx != 0 && ny != 0) {
2622 7cf289ca 2004-04-06 devnull q->s = _Strndup(x, nx);
2623 7cf289ca 2004-04-06 devnull free(s);
2628 7cf289ca 2004-04-06 devnull if(dropping) {
2629 7cf289ca 2004-04-06 devnull if(pprev == nil)
2630 7cf289ca 2004-04-06 devnull c->content = nil;
2632 7cf289ca 2004-04-06 devnull pprev->next = nil;
2633 7cf289ca 2004-04-06 devnull freeitem(p);
2638 7cf289ca 2004-04-06 devnull // Caller must free answer (eventually).
2639 7cf289ca 2004-04-06 devnull static Rune*
2640 7cf289ca 2004-04-06 devnull listmark(uchar ty, int n)
2642 7cf289ca 2004-04-06 devnull Rune* s;
2643 7cf289ca 2004-04-06 devnull Rune* t;
2644 7cf289ca 2004-04-06 devnull int n2;
2647 7cf289ca 2004-04-06 devnull s = nil;
2648 7cf289ca 2004-04-06 devnull switch(ty) {
2649 7cf289ca 2004-04-06 devnull case LTdisc:
2650 7cf289ca 2004-04-06 devnull case LTsquare:
2651 7cf289ca 2004-04-06 devnull case LTcircle:
2652 7cf289ca 2004-04-06 devnull s = _newstr(1);
2653 7cf289ca 2004-04-06 devnull s[0] = (ty == LTdisc)? 0x2022 // bullet
2654 7cf289ca 2004-04-06 devnull : ((ty == LTsquare)? 0x220e // filled square
2655 7cf289ca 2004-04-06 devnull : 0x2218); // degree
2656 7cf289ca 2004-04-06 devnull s[1] = 0;
2659 7cf289ca 2004-04-06 devnull case LT1:
2660 7cf289ca 2004-04-06 devnull t = _ltoStr(n);
2661 7cf289ca 2004-04-06 devnull n2 = _Strlen(t);
2662 7cf289ca 2004-04-06 devnull s = _newstr(n2+1);
2663 7cf289ca 2004-04-06 devnull t = _Stradd(s, t, n2);
2664 7cf289ca 2004-04-06 devnull *t++ = '.';
2665 7cf289ca 2004-04-06 devnull *t = 0;
2668 7cf289ca 2004-04-06 devnull case LTa:
2669 7cf289ca 2004-04-06 devnull case LTA:
2672 7cf289ca 2004-04-06 devnull if(n < 0)
2674 7cf289ca 2004-04-06 devnull s = _newstr((n <= 25)? 2 : 3);
2675 7cf289ca 2004-04-06 devnull if(n > 25) {
2676 7cf289ca 2004-04-06 devnull n2 = n%26;
2677 7cf289ca 2004-04-06 devnull n /= 26;
2678 7cf289ca 2004-04-06 devnull if(n2 > 25)
2679 7cf289ca 2004-04-06 devnull n2 = 25;
2680 7cf289ca 2004-04-06 devnull s[i++] = n2 + (ty == LTa)? 'a' : 'A';
2682 7cf289ca 2004-04-06 devnull s[i++] = n + (ty == LTa)? 'a' : 'A';
2683 7cf289ca 2004-04-06 devnull s[i++] = '.';
2684 7cf289ca 2004-04-06 devnull s[i] = 0;
2687 7cf289ca 2004-04-06 devnull case LTi:
2688 7cf289ca 2004-04-06 devnull case LTI:
2689 7cf289ca 2004-04-06 devnull if(n >= NROMAN) {
2690 7cf289ca 2004-04-06 devnull if(warn)
2691 7cf289ca 2004-04-06 devnull fprint(2, "warning: unimplemented roman number > %d\n", NROMAN);
2692 7cf289ca 2004-04-06 devnull n = NROMAN;
2694 7cf289ca 2004-04-06 devnull t = roman[n - 1];
2695 7cf289ca 2004-04-06 devnull n2 = _Strlen(t);
2696 7cf289ca 2004-04-06 devnull s = _newstr(n2+1);
2697 7cf289ca 2004-04-06 devnull for(i = 0; i < n2; i++)
2698 7cf289ca 2004-04-06 devnull s[i] = (ty == LTi)? tolower(t[i]) : t[i];
2699 7cf289ca 2004-04-06 devnull s[i++] = '.';
2700 7cf289ca 2004-04-06 devnull s[i] = 0;
2703 7cf289ca 2004-04-06 devnull return s;
2706 7cf289ca 2004-04-06 devnull // Find map with given name in di.maps.
2707 7cf289ca 2004-04-06 devnull // If not there, add one, copying name.
2708 7cf289ca 2004-04-06 devnull // Ownership of map remains with di->maps list.
2709 7cf289ca 2004-04-06 devnull static Map*
2710 7cf289ca 2004-04-06 devnull getmap(Docinfo* di, Rune* name)
2712 7cf289ca 2004-04-06 devnull Map* m;
2714 7cf289ca 2004-04-06 devnull for(m = di->maps; m != nil; m = m->next) {
2715 7cf289ca 2004-04-06 devnull if(!_Strcmp(name, m->name))
2716 7cf289ca 2004-04-06 devnull return m;
2718 7cf289ca 2004-04-06 devnull m = (Map*)emalloc(sizeof(Map));
2719 7cf289ca 2004-04-06 devnull m->name = _Strdup(name);
2720 7cf289ca 2004-04-06 devnull m->areas = nil;
2721 7cf289ca 2004-04-06 devnull m->next = di->maps;
2722 7cf289ca 2004-04-06 devnull di->maps = m;
2723 7cf289ca 2004-04-06 devnull return m;
2726 7cf289ca 2004-04-06 devnull // Transfers ownership of href to Area
2727 7cf289ca 2004-04-06 devnull static Area*
2728 7cf289ca 2004-04-06 devnull newarea(int shape, Rune* href, int target, Area* link)
2730 7cf289ca 2004-04-06 devnull Area* a;
2732 7cf289ca 2004-04-06 devnull a = (Area*)emalloc(sizeof(Area));
2733 7cf289ca 2004-04-06 devnull a->shape = shape;
2734 7cf289ca 2004-04-06 devnull a->href = href;
2735 7cf289ca 2004-04-06 devnull a->target = target;
2736 7cf289ca 2004-04-06 devnull a->next = link;
2737 7cf289ca 2004-04-06 devnull return a;
2740 7cf289ca 2004-04-06 devnull // Return string value associated with attid in tok, nil if none.
2741 7cf289ca 2004-04-06 devnull // Caller must free the result (eventually).
2742 7cf289ca 2004-04-06 devnull static Rune*
2743 7cf289ca 2004-04-06 devnull aval(Token* tok, int attid)
2745 7cf289ca 2004-04-06 devnull Rune* ans;
2747 7cf289ca 2004-04-06 devnull _tokaval(tok, attid, &ans, 1); // transfers string ownership from token to ans
2748 7cf289ca 2004-04-06 devnull return ans;
2751 7cf289ca 2004-04-06 devnull // Like aval, but use dflt if there was no such attribute in tok.
2752 7cf289ca 2004-04-06 devnull // Caller must free the result (eventually).
2753 7cf289ca 2004-04-06 devnull static Rune*
2754 7cf289ca 2004-04-06 devnull astrval(Token* tok, int attid, Rune* dflt)
2756 7cf289ca 2004-04-06 devnull Rune* ans;
2758 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &ans, 1))
2759 7cf289ca 2004-04-06 devnull return ans; // transfers string ownership from token to ans
2761 7cf289ca 2004-04-06 devnull return _Strdup(dflt);
2764 7cf289ca 2004-04-06 devnull // Here we're supposed to convert to an int,
2765 7cf289ca 2004-04-06 devnull // and have a default when not found
2766 7cf289ca 2004-04-06 devnull static int
2767 7cf289ca 2004-04-06 devnull aintval(Token* tok, int attid, int dflt)
2769 7cf289ca 2004-04-06 devnull Rune* ans;
2771 7cf289ca 2004-04-06 devnull if(!_tokaval(tok, attid, &ans, 0) || ans == nil)
2772 7cf289ca 2004-04-06 devnull return dflt;
2774 7cf289ca 2004-04-06 devnull return toint(ans);
2777 7cf289ca 2004-04-06 devnull // Like aintval, but result should be >= 0
2778 7cf289ca 2004-04-06 devnull static int
2779 7cf289ca 2004-04-06 devnull auintval(Token* tok, int attid, int dflt)
2781 7cf289ca 2004-04-06 devnull Rune* ans;
2784 7cf289ca 2004-04-06 devnull if(!_tokaval(tok, attid, &ans, 0) || ans == nil)
2785 7cf289ca 2004-04-06 devnull return dflt;
2787 7cf289ca 2004-04-06 devnull v = toint(ans);
2788 7cf289ca 2004-04-06 devnull return v >= 0? v : 0;
2792 7cf289ca 2004-04-06 devnull // int conversion, but with possible error check (if warning)
2793 7cf289ca 2004-04-06 devnull static int
2794 7cf289ca 2004-04-06 devnull toint(Rune* s)
2796 7cf289ca 2004-04-06 devnull int ans;
2797 7cf289ca 2004-04-06 devnull Rune* eptr;
2799 7cf289ca 2004-04-06 devnull ans = _Strtol(s, &eptr, 10);
2800 7cf289ca 2004-04-06 devnull if(warn) {
2801 7cf289ca 2004-04-06 devnull if(*eptr != 0) {
2802 7cf289ca 2004-04-06 devnull eptr = _Strclass(eptr, notwhitespace);
2803 7cf289ca 2004-04-06 devnull if(eptr != nil)
2804 7cf289ca 2004-04-06 devnull fprint(2, "warning: expected integer, got %S\n", s);
2807 7cf289ca 2004-04-06 devnull return ans;
2810 7cf289ca 2004-04-06 devnull // Attribute value when need a table to convert strings to ints
2811 7cf289ca 2004-04-06 devnull static int
2812 7cf289ca 2004-04-06 devnull atabval(Token* tok, int attid, StringInt* tab, int ntab, int dflt)
2814 7cf289ca 2004-04-06 devnull Rune* aval;
2815 7cf289ca 2004-04-06 devnull int ans;
2817 7cf289ca 2004-04-06 devnull ans = dflt;
2818 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &aval, 0)) {
2819 7cf289ca 2004-04-06 devnull if(!_lookup(tab, ntab, aval, _Strlen(aval), &ans)) {
2820 7cf289ca 2004-04-06 devnull ans = dflt;
2821 7cf289ca 2004-04-06 devnull if(warn)
2822 7cf289ca 2004-04-06 devnull fprint(2, "warning: name not found in table lookup: %S\n", aval);
2825 7cf289ca 2004-04-06 devnull return ans;
2828 7cf289ca 2004-04-06 devnull // Attribute value when supposed to be a color
2829 7cf289ca 2004-04-06 devnull static int
2830 7cf289ca 2004-04-06 devnull acolorval(Token* tok, int attid, int dflt)
2832 7cf289ca 2004-04-06 devnull Rune* aval;
2833 7cf289ca 2004-04-06 devnull int ans;
2835 7cf289ca 2004-04-06 devnull ans = dflt;
2836 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &aval, 0))
2837 7cf289ca 2004-04-06 devnull ans = color(aval, dflt);
2838 7cf289ca 2004-04-06 devnull return ans;
2841 7cf289ca 2004-04-06 devnull // Attribute value when supposed to be a target frame name
2842 7cf289ca 2004-04-06 devnull static int
2843 7cf289ca 2004-04-06 devnull atargval(Token* tok, int dflt)
2845 7cf289ca 2004-04-06 devnull int ans;
2846 7cf289ca 2004-04-06 devnull Rune* aval;
2848 7cf289ca 2004-04-06 devnull ans = dflt;
2849 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Atarget, &aval, 0)){
2850 7cf289ca 2004-04-06 devnull ans = targetid(aval);
2852 7cf289ca 2004-04-06 devnull return ans;
2855 7cf289ca 2004-04-06 devnull // special for list types, where "i" and "I" are different,
2856 7cf289ca 2004-04-06 devnull // but "square" and "SQUARE" are the same
2857 7cf289ca 2004-04-06 devnull static int
2858 7cf289ca 2004-04-06 devnull listtyval(Token* tok, int dflt)
2860 7cf289ca 2004-04-06 devnull Rune* aval;
2861 7cf289ca 2004-04-06 devnull int ans;
2864 7cf289ca 2004-04-06 devnull ans = dflt;
2865 7cf289ca 2004-04-06 devnull if(_tokaval(tok, Atype, &aval, 0)) {
2866 7cf289ca 2004-04-06 devnull n = _Strlen(aval);
2867 7cf289ca 2004-04-06 devnull if(n == 1) {
2868 7cf289ca 2004-04-06 devnull switch(aval[0]) {
2869 7cf289ca 2004-04-06 devnull case '1':
2870 7cf289ca 2004-04-06 devnull ans = LT1;
2872 7cf289ca 2004-04-06 devnull case 'A':
2873 7cf289ca 2004-04-06 devnull ans = LTA;
2875 7cf289ca 2004-04-06 devnull case 'I':
2876 7cf289ca 2004-04-06 devnull ans = LTI;
2878 7cf289ca 2004-04-06 devnull case 'a':
2879 7cf289ca 2004-04-06 devnull ans = LTa;
2881 7cf289ca 2004-04-06 devnull case 'i':
2882 7cf289ca 2004-04-06 devnull ans = LTi;
2883 7cf289ca 2004-04-06 devnull default:
2884 7cf289ca 2004-04-06 devnull if(warn)
2885 7cf289ca 2004-04-06 devnull fprint(2, "warning: unknown list element type %c\n", aval[0]);
2889 7cf289ca 2004-04-06 devnull if(!_Strncmpci(aval, n, L(Lcircle)))
2890 7cf289ca 2004-04-06 devnull ans = LTcircle;
2891 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(aval, n, L(Ldisc)))
2892 7cf289ca 2004-04-06 devnull ans = LTdisc;
2893 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(aval, n, L(Lsquare)))
2894 7cf289ca 2004-04-06 devnull ans = LTsquare;
2896 7cf289ca 2004-04-06 devnull if(warn)
2897 7cf289ca 2004-04-06 devnull fprint(2, "warning: unknown list element type %S\n", aval);
2901 7cf289ca 2004-04-06 devnull return ans;
2904 7cf289ca 2004-04-06 devnull // Attribute value when value is a URL, possibly relative to base.
2905 7cf289ca 2004-04-06 devnull // FOR NOW: leave the url relative.
2906 7cf289ca 2004-04-06 devnull // Caller must free the result (eventually).
2907 7cf289ca 2004-04-06 devnull static Rune*
2908 7cf289ca 2004-04-06 devnull aurlval(Token* tok, int attid, Rune* dflt, Rune* base)
2910 7cf289ca 2004-04-06 devnull Rune* ans;
2911 7cf289ca 2004-04-06 devnull Rune* url;
2913 7cf289ca 2004-04-06 devnull USED(base);
2914 7cf289ca 2004-04-06 devnull ans = nil;
2915 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &url, 0) && url != nil)
2916 7cf289ca 2004-04-06 devnull ans = removeallwhite(url);
2917 7cf289ca 2004-04-06 devnull if(ans == nil)
2918 7cf289ca 2004-04-06 devnull ans = _Strdup(dflt);
2919 7cf289ca 2004-04-06 devnull return ans;
2922 7cf289ca 2004-04-06 devnull // Return copy of s but with all whitespace (even internal) removed.
2923 7cf289ca 2004-04-06 devnull // This fixes some buggy URL specification strings.
2924 7cf289ca 2004-04-06 devnull static Rune*
2925 7cf289ca 2004-04-06 devnull removeallwhite(Rune* s)
2931 7cf289ca 2004-04-06 devnull Rune* ans;
2934 7cf289ca 2004-04-06 devnull n = _Strlen(s);
2935 7cf289ca 2004-04-06 devnull for(i = 0; i < n; i++) {
2936 7cf289ca 2004-04-06 devnull c = s[i];
2937 7cf289ca 2004-04-06 devnull if(c >= 256 || !isspace(c))
2940 7cf289ca 2004-04-06 devnull if(j < n) {
2941 7cf289ca 2004-04-06 devnull ans = _newstr(j);
2943 7cf289ca 2004-04-06 devnull for(i = 0; i < n; i++) {
2944 7cf289ca 2004-04-06 devnull c = s[i];
2945 7cf289ca 2004-04-06 devnull if(c >= 256 || !isspace(c))
2946 7cf289ca 2004-04-06 devnull ans[j++] = c;
2948 7cf289ca 2004-04-06 devnull ans[j] = 0;
2951 7cf289ca 2004-04-06 devnull ans = _Strdup(s);
2952 7cf289ca 2004-04-06 devnull return ans;
2955 7cf289ca 2004-04-06 devnull // Attribute value when mere presence of attr implies value of 1,
2956 7cf289ca 2004-04-06 devnull // but if there is an integer there, return it as the value.
2957 7cf289ca 2004-04-06 devnull static int
2958 7cf289ca 2004-04-06 devnull aflagval(Token* tok, int attid)
2960 7cf289ca 2004-04-06 devnull int val;
2961 7cf289ca 2004-04-06 devnull Rune* sval;
2963 7cf289ca 2004-04-06 devnull val = 0;
2964 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &sval, 0)) {
2965 7cf289ca 2004-04-06 devnull val = 1;
2966 7cf289ca 2004-04-06 devnull if(sval != nil)
2967 7cf289ca 2004-04-06 devnull val = toint(sval);
2969 7cf289ca 2004-04-06 devnull return val;
2972 7cf289ca 2004-04-06 devnull static Align
2973 7cf289ca 2004-04-06 devnull makealign(int halign, int valign)
2975 7cf289ca 2004-04-06 devnull Align al;
2977 7cf289ca 2004-04-06 devnull al.halign = halign;
2978 7cf289ca 2004-04-06 devnull al.valign = valign;
2979 7cf289ca 2004-04-06 devnull return al;
2982 7cf289ca 2004-04-06 devnull // Make an Align (two alignments, horizontal and vertical)
2983 7cf289ca 2004-04-06 devnull static Align
2984 7cf289ca 2004-04-06 devnull aalign(Token* tok)
2986 7cf289ca 2004-04-06 devnull return makealign(
2987 7cf289ca 2004-04-06 devnull atabval(tok, Aalign, align_tab, NALIGNTAB, ALnone),
2988 7cf289ca 2004-04-06 devnull atabval(tok, Avalign, align_tab, NALIGNTAB, ALnone));
2991 7cf289ca 2004-04-06 devnull // Make a Dimen, based on value of attid attr
2992 7cf289ca 2004-04-06 devnull static Dimen
2993 7cf289ca 2004-04-06 devnull adimen(Token* tok, int attid)
2995 7cf289ca 2004-04-06 devnull Rune* wd;
2997 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &wd, 0))
2998 7cf289ca 2004-04-06 devnull return parsedim(wd, _Strlen(wd));
3000 7cf289ca 2004-04-06 devnull return makedimen(Dnone, 0);
3003 7cf289ca 2004-04-06 devnull // Parse s[0:n] as num[.[num]][unit][%|*]
3004 7cf289ca 2004-04-06 devnull static Dimen
3005 7cf289ca 2004-04-06 devnull parsedim(Rune* s, int ns)
3007 7cf289ca 2004-04-06 devnull int kind;
3008 7cf289ca 2004-04-06 devnull int spec;
3009 7cf289ca 2004-04-06 devnull Rune* l;
3010 7cf289ca 2004-04-06 devnull int nl;
3011 7cf289ca 2004-04-06 devnull Rune* r;
3012 7cf289ca 2004-04-06 devnull int nr;
3013 7cf289ca 2004-04-06 devnull int mul;
3015 7cf289ca 2004-04-06 devnull Rune* f;
3016 7cf289ca 2004-04-06 devnull int nf;
3017 7cf289ca 2004-04-06 devnull int Tkdpi;
3018 7cf289ca 2004-04-06 devnull Rune* units;
3020 7cf289ca 2004-04-06 devnull kind = Dnone;
3021 7cf289ca 2004-04-06 devnull spec = 0;
3022 7cf289ca 2004-04-06 devnull _splitl(s, ns, L(Lnot0to9), &l, &nl, &r, &nr);
3023 7cf289ca 2004-04-06 devnull if(nl != 0) {
3024 7cf289ca 2004-04-06 devnull spec = 1000*_Strtol(l, nil, 10);
3025 7cf289ca 2004-04-06 devnull if(nr > 0 && r[0] == '.') {
3026 7cf289ca 2004-04-06 devnull _splitl(r+1, nr-1, L(Lnot0to9), &f, &nf, &r, &nr);
3027 7cf289ca 2004-04-06 devnull if(nf != 0) {
3028 7cf289ca 2004-04-06 devnull mul = 100;
3029 7cf289ca 2004-04-06 devnull for(i = 0; i < nf; i++) {
3030 7cf289ca 2004-04-06 devnull spec = spec + mul*(f[i]-'0');
3031 7cf289ca 2004-04-06 devnull mul = mul/10;
3035 7cf289ca 2004-04-06 devnull kind = Dpixels;
3036 7cf289ca 2004-04-06 devnull if(nr != 0) {
3037 7cf289ca 2004-04-06 devnull if(nr >= 2) {
3038 7cf289ca 2004-04-06 devnull Tkdpi = 100;
3039 7cf289ca 2004-04-06 devnull units = r;
3040 7cf289ca 2004-04-06 devnull r = r+2;
3041 7cf289ca 2004-04-06 devnull nr -= 2;
3042 7cf289ca 2004-04-06 devnull if(!_Strncmpci(units, 2, L(Lpt)))
3043 7cf289ca 2004-04-06 devnull spec = (spec*Tkdpi)/72;
3044 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lpi)))
3045 7cf289ca 2004-04-06 devnull spec = (spec*12*Tkdpi)/72;
3046 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lin)))
3047 7cf289ca 2004-04-06 devnull spec = spec*Tkdpi;
3048 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lcm)))
3049 7cf289ca 2004-04-06 devnull spec = (spec*100*Tkdpi)/254;
3050 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lmm)))
3051 7cf289ca 2004-04-06 devnull spec = (spec*10*Tkdpi)/254;
3052 7cf289ca 2004-04-06 devnull else if(!_Strncmpci(units, 2, L(Lem)))
3053 7cf289ca 2004-04-06 devnull spec = spec*15;
3055 7cf289ca 2004-04-06 devnull if(warn)
3056 7cf289ca 2004-04-06 devnull fprint(2, "warning: unknown units %C%Cs\n", units[0], units[1]);
3059 7cf289ca 2004-04-06 devnull if(nr >= 1) {
3060 7cf289ca 2004-04-06 devnull if(r[0] == '%')
3061 7cf289ca 2004-04-06 devnull kind = Dpercent;
3062 7cf289ca 2004-04-06 devnull else if(r[0] == '*')
3063 7cf289ca 2004-04-06 devnull kind = Drelative;
3066 7cf289ca 2004-04-06 devnull spec = spec/1000;
3068 7cf289ca 2004-04-06 devnull else if(nr == 1 && r[0] == '*') {
3069 7cf289ca 2004-04-06 devnull spec = 1;
3070 7cf289ca 2004-04-06 devnull kind = Drelative;
3072 7cf289ca 2004-04-06 devnull return makedimen(kind, spec);
3075 7cf289ca 2004-04-06 devnull static void
3076 7cf289ca 2004-04-06 devnull setdimarray(Token* tok, int attid, Dimen** pans, int* panslen)
3078 7cf289ca 2004-04-06 devnull Rune* s;
3079 7cf289ca 2004-04-06 devnull Dimen* d;
3081 7cf289ca 2004-04-06 devnull int nc;
3082 7cf289ca 2004-04-06 devnull Rune* a[SMALLBUFSIZE];
3083 7cf289ca 2004-04-06 devnull int an[SMALLBUFSIZE];
3085 7cf289ca 2004-04-06 devnull if(_tokaval(tok, attid, &s, 0)) {
3086 7cf289ca 2004-04-06 devnull nc = _splitall(s, _Strlen(s), L(Lcommaspace), a, an, SMALLBUFSIZE);
3087 7cf289ca 2004-04-06 devnull if(nc > 0) {
3088 7cf289ca 2004-04-06 devnull d = (Dimen*)emalloc(nc * sizeof(Dimen));
3089 7cf289ca 2004-04-06 devnull for(k = 0; k < nc; k++) {
3090 7cf289ca 2004-04-06 devnull d[k] = parsedim(a[k], an[k]);
3092 7cf289ca 2004-04-06 devnull *pans = d;
3093 7cf289ca 2004-04-06 devnull *panslen = nc;
3094 7cf289ca 2004-04-06 devnull return;
3097 7cf289ca 2004-04-06 devnull *pans = nil;
3098 7cf289ca 2004-04-06 devnull *panslen = 0;
3101 7cf289ca 2004-04-06 devnull static Background
3102 7cf289ca 2004-04-06 devnull makebackground(Rune* imageurl, int color)
3104 7cf289ca 2004-04-06 devnull Background bg;
3106 7cf289ca 2004-04-06 devnull bg.image = imageurl;
3107 7cf289ca 2004-04-06 devnull bg.color = color;
3108 7cf289ca 2004-04-06 devnull return bg;
3111 7cf289ca 2004-04-06 devnull static Item*
3112 7cf289ca 2004-04-06 devnull newitext(Rune* s, int fnt, int fg, int voff, int ul)
3114 7cf289ca 2004-04-06 devnull Itext* t;
3116 7cf289ca 2004-04-06 devnull assert(s != nil);
3117 7cf289ca 2004-04-06 devnull t = (Itext*)emalloc(sizeof(Itext));
3118 7cf289ca 2004-04-06 devnull t->item.tag = Itexttag;
3119 7cf289ca 2004-04-06 devnull t->s = s;
3120 7cf289ca 2004-04-06 devnull t->fnt = fnt;
3121 7cf289ca 2004-04-06 devnull t->fg = fg;
3122 7cf289ca 2004-04-06 devnull t->voff = voff;
3123 7cf289ca 2004-04-06 devnull t->ul = ul;
3124 7cf289ca 2004-04-06 devnull return (Item*)t;
3127 7cf289ca 2004-04-06 devnull static Item*
3128 7cf289ca 2004-04-06 devnull newirule(int align, int size, int noshade, Dimen wspec)
3130 7cf289ca 2004-04-06 devnull Irule* r;
3132 7cf289ca 2004-04-06 devnull r = (Irule*)emalloc(sizeof(Irule));
3133 7cf289ca 2004-04-06 devnull r->item.tag = Iruletag;
3134 7cf289ca 2004-04-06 devnull r->align = align;
3135 7cf289ca 2004-04-06 devnull r->size = size;
3136 7cf289ca 2004-04-06 devnull r->noshade = noshade;
3137 7cf289ca 2004-04-06 devnull r->wspec = wspec;
3138 7cf289ca 2004-04-06 devnull return (Item*)r;
3141 7cf289ca 2004-04-06 devnull // Map is owned elsewhere.
3142 7cf289ca 2004-04-06 devnull static Item*
3143 7cf289ca 2004-04-06 devnull newiimage(Rune* src, Rune* altrep, int align, int width, int height,
3144 7cf289ca 2004-04-06 devnull int hspace, int vspace, int border, int ismap, Map* map)
3146 7cf289ca 2004-04-06 devnull Iimage* i;
3147 7cf289ca 2004-04-06 devnull int state;
3149 7cf289ca 2004-04-06 devnull state = 0;
3150 7cf289ca 2004-04-06 devnull if(ismap)
3151 7cf289ca 2004-04-06 devnull state = IFsmap;
3152 7cf289ca 2004-04-06 devnull i = (Iimage*)emalloc(sizeof(Iimage));
3153 7cf289ca 2004-04-06 devnull i->item.tag = Iimagetag;
3154 7cf289ca 2004-04-06 devnull i->item.state = state;
3155 7cf289ca 2004-04-06 devnull i->imsrc = src;
3156 7cf289ca 2004-04-06 devnull i->altrep = altrep;
3157 7cf289ca 2004-04-06 devnull i->align = align;
3158 7cf289ca 2004-04-06 devnull i->imwidth = width;
3159 7cf289ca 2004-04-06 devnull i->imheight = height;
3160 7cf289ca 2004-04-06 devnull i->hspace = hspace;
3161 7cf289ca 2004-04-06 devnull i->vspace = vspace;
3162 7cf289ca 2004-04-06 devnull i->border = border;
3163 7cf289ca 2004-04-06 devnull i->map = map;
3164 7cf289ca 2004-04-06 devnull i->ctlid = -1;
3165 7cf289ca 2004-04-06 devnull return (Item*)i;
3168 7cf289ca 2004-04-06 devnull static Item*
3169 7cf289ca 2004-04-06 devnull newiformfield(Formfield* ff)
3171 7cf289ca 2004-04-06 devnull Iformfield* f;
3173 7cf289ca 2004-04-06 devnull f = (Iformfield*)emalloc(sizeof(Iformfield));
3174 7cf289ca 2004-04-06 devnull f->item.tag = Iformfieldtag;
3175 7cf289ca 2004-04-06 devnull f->formfield = ff;
3176 7cf289ca 2004-04-06 devnull return (Item*)f;
3179 7cf289ca 2004-04-06 devnull static Item*
3180 7cf289ca 2004-04-06 devnull newitable(Table* tab)
3182 7cf289ca 2004-04-06 devnull Itable* t;
3184 7cf289ca 2004-04-06 devnull t = (Itable*)emalloc(sizeof(Itable));
3185 7cf289ca 2004-04-06 devnull t->item.tag = Itabletag;
3186 7cf289ca 2004-04-06 devnull t->table = tab;
3187 7cf289ca 2004-04-06 devnull return (Item*)t;
3190 7cf289ca 2004-04-06 devnull static Item*
3191 7cf289ca 2004-04-06 devnull newifloat(Item* it, int side)
3193 7cf289ca 2004-04-06 devnull Ifloat* f;
3195 7cf289ca 2004-04-06 devnull f = (Ifloat*)emalloc(sizeof(Ifloat));
3196 7cf289ca 2004-04-06 devnull f->_item.tag = Ifloattag;
3197 7cf289ca 2004-04-06 devnull f->_item.state = IFwrap;
3198 7cf289ca 2004-04-06 devnull f->item = it;
3199 7cf289ca 2004-04-06 devnull f->side = side;
3200 7cf289ca 2004-04-06 devnull return (Item*)f;
3203 7cf289ca 2004-04-06 devnull static Item*
3204 7cf289ca 2004-04-06 devnull newispacer(int spkind)
3206 7cf289ca 2004-04-06 devnull Ispacer* s;
3208 7cf289ca 2004-04-06 devnull s = (Ispacer*)emalloc(sizeof(Ispacer));
3209 7cf289ca 2004-04-06 devnull s->item.tag = Ispacertag;
3210 7cf289ca 2004-04-06 devnull s->spkind = spkind;
3211 7cf289ca 2004-04-06 devnull return (Item*)s;
3214 7cf289ca 2004-04-06 devnull // Free one item (caller must deal with next pointer)
3215 7cf289ca 2004-04-06 devnull static void
3216 7cf289ca 2004-04-06 devnull freeitem(Item* it)
3218 7cf289ca 2004-04-06 devnull Iimage* ii;
3219 7cf289ca 2004-04-06 devnull Genattr* ga;
3221 7cf289ca 2004-04-06 devnull if(it == nil)
3222 7cf289ca 2004-04-06 devnull return;
3224 7cf289ca 2004-04-06 devnull switch(it->tag) {
3225 7cf289ca 2004-04-06 devnull case Itexttag:
3226 7cf289ca 2004-04-06 devnull free(((Itext*)it)->s);
3228 7cf289ca 2004-04-06 devnull case Iimagetag:
3229 7cf289ca 2004-04-06 devnull ii = (Iimage*)it;
3230 7cf289ca 2004-04-06 devnull free(ii->imsrc);
3231 7cf289ca 2004-04-06 devnull free(ii->altrep);
3233 7cf289ca 2004-04-06 devnull case Iformfieldtag:
3234 7cf289ca 2004-04-06 devnull freeformfield(((Iformfield*)it)->formfield);
3236 7cf289ca 2004-04-06 devnull case Itabletag:
3237 7cf289ca 2004-04-06 devnull freetable(((Itable*)it)->table);
3239 7cf289ca 2004-04-06 devnull case Ifloattag:
3240 7cf289ca 2004-04-06 devnull freeitem(((Ifloat*)it)->item);
3243 7cf289ca 2004-04-06 devnull ga = it->genattr;
3244 7cf289ca 2004-04-06 devnull if(ga != nil) {
3245 7cf289ca 2004-04-06 devnull free(ga->id);
3246 7cf289ca 2004-04-06 devnull free(ga->class);
3247 7cf289ca 2004-04-06 devnull free(ga->style);
3248 7cf289ca 2004-04-06 devnull free(ga->title);
3249 7cf289ca 2004-04-06 devnull freescriptevents(ga->events);
3251 7cf289ca 2004-04-06 devnull free(it);
3254 7cf289ca 2004-04-06 devnull // Free list of items chained through next pointer
3256 7cf289ca 2004-04-06 devnull freeitems(Item* ithead)
3258 7cf289ca 2004-04-06 devnull Item* it;
3259 7cf289ca 2004-04-06 devnull Item* itnext;
3261 7cf289ca 2004-04-06 devnull it = ithead;
3262 7cf289ca 2004-04-06 devnull while(it != nil) {
3263 7cf289ca 2004-04-06 devnull itnext = it->next;
3264 7cf289ca 2004-04-06 devnull freeitem(it);
3265 7cf289ca 2004-04-06 devnull it = itnext;
3269 7cf289ca 2004-04-06 devnull static void
3270 7cf289ca 2004-04-06 devnull freeformfield(Formfield* ff)
3272 7cf289ca 2004-04-06 devnull Option* o;
3273 7cf289ca 2004-04-06 devnull Option* onext;
3275 7cf289ca 2004-04-06 devnull if(ff == nil)
3276 7cf289ca 2004-04-06 devnull return;
3278 7cf289ca 2004-04-06 devnull free(ff->name);
3279 7cf289ca 2004-04-06 devnull free(ff->value);
3280 7cf289ca 2004-04-06 devnull for(o = ff->options; o != nil; o = onext) {
3281 7cf289ca 2004-04-06 devnull onext = o->next;
3282 7cf289ca 2004-04-06 devnull free(o->value);
3283 7cf289ca 2004-04-06 devnull free(o->display);
3285 7cf289ca 2004-04-06 devnull free(ff);
3288 7cf289ca 2004-04-06 devnull static void
3289 7cf289ca 2004-04-06 devnull freetable(Table* t)
3292 7cf289ca 2004-04-06 devnull Tablecell* c;
3293 7cf289ca 2004-04-06 devnull Tablecell* cnext;
3295 7cf289ca 2004-04-06 devnull if(t == nil)
3296 7cf289ca 2004-04-06 devnull return;
3298 7cf289ca 2004-04-06 devnull // We'll find all the unique cells via t->cells and next pointers.
3299 7cf289ca 2004-04-06 devnull // (Other pointers to cells in the table are duplicates of these)
3300 7cf289ca 2004-04-06 devnull for(c = t->cells; c != nil; c = cnext) {
3301 7cf289ca 2004-04-06 devnull cnext = c->next;
3302 7cf289ca 2004-04-06 devnull freeitems(c->content);
3304 7cf289ca 2004-04-06 devnull if(t->grid != nil) {
3305 7cf289ca 2004-04-06 devnull for(i = 0; i < t->nrow; i++)
3306 7cf289ca 2004-04-06 devnull free(t->grid[i]);
3307 7cf289ca 2004-04-06 devnull free(t->grid);
3309 7cf289ca 2004-04-06 devnull free(t->rows);
3310 7cf289ca 2004-04-06 devnull free(t->cols);
3311 7cf289ca 2004-04-06 devnull freeitems(t->caption);
3312 7cf289ca 2004-04-06 devnull free(t);
3315 7cf289ca 2004-04-06 devnull static void
3316 7cf289ca 2004-04-06 devnull freeform(Form* f)
3318 7cf289ca 2004-04-06 devnull if(f == nil)
3319 7cf289ca 2004-04-06 devnull return;
3321 7cf289ca 2004-04-06 devnull free(f->name);
3322 7cf289ca 2004-04-06 devnull free(f->action);
3323 7cf289ca 2004-04-06 devnull // Form doesn't own its fields (Iformfield items do)
3324 7cf289ca 2004-04-06 devnull free(f);
3327 7cf289ca 2004-04-06 devnull static void
3328 7cf289ca 2004-04-06 devnull freeforms(Form* fhead)
3330 7cf289ca 2004-04-06 devnull Form* f;
3331 7cf289ca 2004-04-06 devnull Form* fnext;
3333 7cf289ca 2004-04-06 devnull for(f = fhead; f != nil; f = fnext) {
3334 7cf289ca 2004-04-06 devnull fnext = f->next;
3335 7cf289ca 2004-04-06 devnull freeform(f);
3339 7cf289ca 2004-04-06 devnull static void
3340 7cf289ca 2004-04-06 devnull freeanchor(Anchor* a)
3342 7cf289ca 2004-04-06 devnull if(a == nil)
3343 7cf289ca 2004-04-06 devnull return;
3345 7cf289ca 2004-04-06 devnull free(a->name);
3346 7cf289ca 2004-04-06 devnull free(a->href);
3347 7cf289ca 2004-04-06 devnull free(a);
3350 7cf289ca 2004-04-06 devnull static void
3351 7cf289ca 2004-04-06 devnull freeanchors(Anchor* ahead)
3353 7cf289ca 2004-04-06 devnull Anchor* a;
3354 7cf289ca 2004-04-06 devnull Anchor* anext;
3356 7cf289ca 2004-04-06 devnull for(a = ahead; a != nil; a = anext) {
3357 7cf289ca 2004-04-06 devnull anext = a->next;
3358 7cf289ca 2004-04-06 devnull freeanchor(a);
3362 7cf289ca 2004-04-06 devnull static void
3363 7cf289ca 2004-04-06 devnull freedestanchor(DestAnchor* da)
3365 7cf289ca 2004-04-06 devnull if(da == nil)
3366 7cf289ca 2004-04-06 devnull return;
3368 7cf289ca 2004-04-06 devnull free(da->name);
3369 7cf289ca 2004-04-06 devnull free(da);
3372 7cf289ca 2004-04-06 devnull static void
3373 7cf289ca 2004-04-06 devnull freedestanchors(DestAnchor* dahead)
3375 7cf289ca 2004-04-06 devnull DestAnchor* da;
3376 7cf289ca 2004-04-06 devnull DestAnchor* danext;
3378 7cf289ca 2004-04-06 devnull for(da = dahead; da != nil; da = danext) {
3379 7cf289ca 2004-04-06 devnull danext = da->next;
3380 7cf289ca 2004-04-06 devnull freedestanchor(da);
3384 7cf289ca 2004-04-06 devnull static void
3385 7cf289ca 2004-04-06 devnull freearea(Area* a)
3387 7cf289ca 2004-04-06 devnull if(a == nil)
3388 7cf289ca 2004-04-06 devnull return;
3389 7cf289ca 2004-04-06 devnull free(a->href);
3390 7cf289ca 2004-04-06 devnull free(a->coords);
3393 7cf289ca 2004-04-06 devnull static void freekidinfos(Kidinfo* khead);
3395 7cf289ca 2004-04-06 devnull static void
3396 7cf289ca 2004-04-06 devnull freekidinfo(Kidinfo* k)
3398 7cf289ca 2004-04-06 devnull if(k->isframeset) {
3399 7cf289ca 2004-04-06 devnull free(k->rows);
3400 7cf289ca 2004-04-06 devnull free(k->cols);
3401 7cf289ca 2004-04-06 devnull freekidinfos(k->kidinfos);
3404 7cf289ca 2004-04-06 devnull free(k->src);
3405 7cf289ca 2004-04-06 devnull free(k->name);
3407 7cf289ca 2004-04-06 devnull free(k);
3410 7cf289ca 2004-04-06 devnull static void
3411 7cf289ca 2004-04-06 devnull freekidinfos(Kidinfo* khead)
3413 7cf289ca 2004-04-06 devnull Kidinfo* k;
3414 7cf289ca 2004-04-06 devnull Kidinfo* knext;
3416 7cf289ca 2004-04-06 devnull for(k = khead; k != nil; k = knext) {
3417 7cf289ca 2004-04-06 devnull knext = k->next;
3418 7cf289ca 2004-04-06 devnull freekidinfo(k);
3422 7cf289ca 2004-04-06 devnull static void
3423 7cf289ca 2004-04-06 devnull freemap(Map* m)
3425 7cf289ca 2004-04-06 devnull Area* a;
3426 7cf289ca 2004-04-06 devnull Area* anext;
3428 7cf289ca 2004-04-06 devnull if(m == nil)
3429 7cf289ca 2004-04-06 devnull return;
3431 7cf289ca 2004-04-06 devnull free(m->name);
3432 7cf289ca 2004-04-06 devnull for(a = m->areas; a != nil; a = anext) {
3433 7cf289ca 2004-04-06 devnull anext = a->next;
3434 7cf289ca 2004-04-06 devnull freearea(a);
3436 7cf289ca 2004-04-06 devnull free(m);
3439 7cf289ca 2004-04-06 devnull static void
3440 7cf289ca 2004-04-06 devnull freemaps(Map* mhead)
3442 7cf289ca 2004-04-06 devnull Map* m;
3443 7cf289ca 2004-04-06 devnull Map* mnext;
3445 7cf289ca 2004-04-06 devnull for(m = mhead; m != nil; m = mnext) {
3446 7cf289ca 2004-04-06 devnull mnext = m->next;
3447 7cf289ca 2004-04-06 devnull freemap(m);
3452 7cf289ca 2004-04-06 devnull freedocinfo(Docinfo* d)
3454 7cf289ca 2004-04-06 devnull if(d == nil)
3455 7cf289ca 2004-04-06 devnull return;
3456 7cf289ca 2004-04-06 devnull free(d->src);
3457 7cf289ca 2004-04-06 devnull free(d->base);
3458 7cf289ca 2004-04-06 devnull freeitem((Item*)d->backgrounditem);
3459 7cf289ca 2004-04-06 devnull free(d->refresh);
3460 7cf289ca 2004-04-06 devnull freekidinfos(d->kidinfo);
3461 7cf289ca 2004-04-06 devnull freeanchors(d->anchors);
3462 7cf289ca 2004-04-06 devnull freedestanchors(d->dests);
3463 7cf289ca 2004-04-06 devnull freeforms(d->forms);
3464 7cf289ca 2004-04-06 devnull freemaps(d->maps);
3465 7cf289ca 2004-04-06 devnull // tables, images, and formfields are freed when
3466 7cf289ca 2004-04-06 devnull // the items pointing at them are freed
3467 7cf289ca 2004-04-06 devnull free(d);
3470 7cf289ca 2004-04-06 devnull // Currently, someone else owns all the memory
3471 7cf289ca 2004-04-06 devnull // pointed to by things in a Pstate.
3472 7cf289ca 2004-04-06 devnull static void
3473 7cf289ca 2004-04-06 devnull freepstate(Pstate* p)
3475 7cf289ca 2004-04-06 devnull free(p);
3478 7cf289ca 2004-04-06 devnull static void
3479 7cf289ca 2004-04-06 devnull freepstatestack(Pstate* pshead)
3481 7cf289ca 2004-04-06 devnull Pstate* p;
3482 7cf289ca 2004-04-06 devnull Pstate* pnext;
3484 7cf289ca 2004-04-06 devnull for(p = pshead; p != nil; p = pnext) {
3485 7cf289ca 2004-04-06 devnull pnext = p->next;
3486 7cf289ca 2004-04-06 devnull free(p);
3490 7cf289ca 2004-04-06 devnull static int
3491 7cf289ca 2004-04-06 devnull Iconv(Fmt *f)
3493 7cf289ca 2004-04-06 devnull Item* it;
3494 7cf289ca 2004-04-06 devnull Itext* t;
3495 7cf289ca 2004-04-06 devnull Irule* r;
3496 7cf289ca 2004-04-06 devnull Iimage* i;
3497 7cf289ca 2004-04-06 devnull Ifloat* fl;
3498 7cf289ca 2004-04-06 devnull int state;
3499 7cf289ca 2004-04-06 devnull Formfield* ff;
3500 7cf289ca 2004-04-06 devnull Rune* ty;
3501 7cf289ca 2004-04-06 devnull Tablecell* c;
3502 7cf289ca 2004-04-06 devnull Table* tab;
3503 7cf289ca 2004-04-06 devnull char* p;
3504 7cf289ca 2004-04-06 devnull int cl;
3505 7cf289ca 2004-04-06 devnull int hang;
3506 7cf289ca 2004-04-06 devnull int indent;
3507 7cf289ca 2004-04-06 devnull int bi;
3508 7cf289ca 2004-04-06 devnull int nbuf;
3509 7cf289ca 2004-04-06 devnull char buf[BIGBUFSIZE];
3511 7cf289ca 2004-04-06 devnull it = va_arg(f->args, Item*);
3512 7cf289ca 2004-04-06 devnull bi = 0;
3513 7cf289ca 2004-04-06 devnull nbuf = sizeof(buf);
3514 7cf289ca 2004-04-06 devnull state = it->state;
3515 7cf289ca 2004-04-06 devnull nbuf = nbuf-1;
3516 7cf289ca 2004-04-06 devnull if(state&IFbrk) {
3517 7cf289ca 2004-04-06 devnull cl = state&(IFcleft|IFcright);
3518 7cf289ca 2004-04-06 devnull p = "";
3519 7cf289ca 2004-04-06 devnull if(cl) {
3520 7cf289ca 2004-04-06 devnull if(cl == (IFcleft|IFcright))
3521 7cf289ca 2004-04-06 devnull p = " both";
3522 7cf289ca 2004-04-06 devnull else if(cl == IFcleft)
3523 7cf289ca 2004-04-06 devnull p = " left";
3525 7cf289ca 2004-04-06 devnull p = " right";
3527 7cf289ca 2004-04-06 devnull bi = snprint(buf, nbuf, "brk(%d%s)", (state&IFbrksp)? 1 : 0, p);
3529 7cf289ca 2004-04-06 devnull if(state&IFnobrk)
3530 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " nobrk");
3531 7cf289ca 2004-04-06 devnull if(!(state&IFwrap))
3532 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " nowrap");
3533 7cf289ca 2004-04-06 devnull if(state&IFrjust)
3534 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " rjust");
3535 7cf289ca 2004-04-06 devnull if(state&IFcjust)
3536 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " cjust");
3537 7cf289ca 2004-04-06 devnull if(state&IFsmap)
3538 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " smap");
3539 7cf289ca 2004-04-06 devnull indent = (state&IFindentmask) >> IFindentshift;
3540 7cf289ca 2004-04-06 devnull if(indent > 0)
3541 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " indent=%d", indent);
3542 7cf289ca 2004-04-06 devnull hang = state&IFhangmask;
3543 7cf289ca 2004-04-06 devnull if(hang > 0)
3544 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " hang=%d", hang);
3546 7cf289ca 2004-04-06 devnull switch(it->tag) {
3547 7cf289ca 2004-04-06 devnull case Itexttag:
3548 7cf289ca 2004-04-06 devnull t = (Itext*)it;
3549 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " Text '%S', fnt=%d, fg=%x", t->s, t->fnt, t->fg);
3552 7cf289ca 2004-04-06 devnull case Iruletag:
3553 7cf289ca 2004-04-06 devnull r = (Irule*)it;
3554 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Rule size=%d, al=%S, wspec=", r->size, stringalign(r->align));
3555 7cf289ca 2004-04-06 devnull bi += dimprint(buf+bi, nbuf-bi, r->wspec);
3558 7cf289ca 2004-04-06 devnull case Iimagetag:
3559 7cf289ca 2004-04-06 devnull i = (Iimage*)it;
3560 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi,
3561 7cf289ca 2004-04-06 devnull "Image src=%S, alt=%S, al=%S, w=%d, h=%d hsp=%d, vsp=%d, bd=%d, map=%S",
3562 7cf289ca 2004-04-06 devnull i->imsrc, i->altrep? i->altrep : L(Lempty), stringalign(i->align), i->imwidth, i->imheight,
3563 7cf289ca 2004-04-06 devnull i->hspace, i->vspace, i->border, i->map?i->map->name : L(Lempty));
3566 7cf289ca 2004-04-06 devnull case Iformfieldtag:
3567 7cf289ca 2004-04-06 devnull ff = ((Iformfield*)it)->formfield;
3568 7cf289ca 2004-04-06 devnull if(ff->ftype == Ftextarea)
3569 7cf289ca 2004-04-06 devnull ty = L(Ltextarea);
3570 7cf289ca 2004-04-06 devnull else if(ff->ftype == Fselect)
3571 7cf289ca 2004-04-06 devnull ty = L(Lselect);
3573 7cf289ca 2004-04-06 devnull ty = _revlookup(input_tab, NINPUTTAB, ff->ftype);
3574 7cf289ca 2004-04-06 devnull if(ty == nil)
3575 7cf289ca 2004-04-06 devnull ty = L(Lnone);
3577 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Formfield %S, fieldid=%d, formid=%d, name=%S, value=%S",
3578 7cf289ca 2004-04-06 devnull ty, ff->fieldid, ff->form->formid, ff->name? ff->name : L(Lempty),
3579 7cf289ca 2004-04-06 devnull ff->value? ff->value : L(Lempty));
3582 7cf289ca 2004-04-06 devnull case Itabletag:
3583 7cf289ca 2004-04-06 devnull tab = ((Itable*)it)->table;
3584 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Table tableid=%d, width=", tab->tableid);
3585 7cf289ca 2004-04-06 devnull bi += dimprint(buf+bi, nbuf-bi, tab->width);
3586 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, ", nrow=%d, ncol=%d, ncell=%d, totw=%d, toth=%d\n",
3587 7cf289ca 2004-04-06 devnull tab->nrow, tab->ncol, tab->ncell, tab->totw, tab->toth);
3588 7cf289ca 2004-04-06 devnull for(c = tab->cells; c != nil; c = c->next)
3589 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Cell %d.%d, at (%d,%d) ",
3590 7cf289ca 2004-04-06 devnull tab->tableid, c->cellid, c->row, c->col);
3591 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "End of Table %d", tab->tableid);
3594 7cf289ca 2004-04-06 devnull case Ifloattag:
3595 7cf289ca 2004-04-06 devnull fl = (Ifloat*)it;
3596 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Float, x=%d y=%d, side=%S, it=%I",
3597 7cf289ca 2004-04-06 devnull fl->x, fl->y, stringalign(fl->side), fl->item);
3598 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "\n\t");
3601 7cf289ca 2004-04-06 devnull case Ispacertag:
3602 7cf289ca 2004-04-06 devnull p = "";
3603 7cf289ca 2004-04-06 devnull switch(((Ispacer*)it)->spkind) {
3604 7cf289ca 2004-04-06 devnull case ISPnull:
3605 7cf289ca 2004-04-06 devnull p = "null";
3607 7cf289ca 2004-04-06 devnull case ISPvline:
3608 7cf289ca 2004-04-06 devnull p = "vline";
3610 7cf289ca 2004-04-06 devnull case ISPhspace:
3611 7cf289ca 2004-04-06 devnull p = "hspace";
3614 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, "Spacer %s ", p);
3617 7cf289ca 2004-04-06 devnull bi += snprint(buf+bi, nbuf-bi, " w=%d, h=%d, a=%d, anchor=%d\n",
3618 7cf289ca 2004-04-06 devnull it->width, it->height, it->ascent, it->anchorid);
3619 7cf289ca 2004-04-06 devnull buf[bi] = 0;
3620 7cf289ca 2004-04-06 devnull return fmtstrcpy(f, buf);
3623 7cf289ca 2004-04-06 devnull // String version of alignment 'a'
3624 7cf289ca 2004-04-06 devnull static Rune*
3625 7cf289ca 2004-04-06 devnull stringalign(int a)
3627 7cf289ca 2004-04-06 devnull Rune* s;
3629 7cf289ca 2004-04-06 devnull s = _revlookup(align_tab, NALIGNTAB, a);
3630 7cf289ca 2004-04-06 devnull if(s == nil)
3631 7cf289ca 2004-04-06 devnull s = L(Lnone);
3632 7cf289ca 2004-04-06 devnull return s;
3635 7cf289ca 2004-04-06 devnull // Put at most nbuf chars of representation of d into buf,
3636 7cf289ca 2004-04-06 devnull // and return number of characters put
3637 7cf289ca 2004-04-06 devnull static int
3638 7cf289ca 2004-04-06 devnull dimprint(char* buf, int nbuf, Dimen d)
3644 7cf289ca 2004-04-06 devnull n += snprint(buf, nbuf, "%d", dimenspec(d));
3645 7cf289ca 2004-04-06 devnull k = dimenkind(d);
3646 7cf289ca 2004-04-06 devnull if(k == Dpercent)
3647 7cf289ca 2004-04-06 devnull buf[n++] = '%';
3648 7cf289ca 2004-04-06 devnull if(k == Drelative)
3649 7cf289ca 2004-04-06 devnull buf[n++] = '*';
3650 7cf289ca 2004-04-06 devnull return n;
3654 7cf289ca 2004-04-06 devnull printitems(Item* items, char* msg)
3656 7cf289ca 2004-04-06 devnull Item* il;
3658 7cf289ca 2004-04-06 devnull fprint(2, "%s\n", msg);
3659 7cf289ca 2004-04-06 devnull il = items;
3660 7cf289ca 2004-04-06 devnull while(il != nil) {
3661 7cf289ca 2004-04-06 devnull fprint(2, "%I", il);
3662 7cf289ca 2004-04-06 devnull il = il->next;
3666 7cf289ca 2004-04-06 devnull static Genattr*
3667 7cf289ca 2004-04-06 devnull newgenattr(Rune* id, Rune* class, Rune* style, Rune* title, SEvent* events)
3669 7cf289ca 2004-04-06 devnull Genattr* g;
3671 7cf289ca 2004-04-06 devnull g = (Genattr*)emalloc(sizeof(Genattr));
3672 7cf289ca 2004-04-06 devnull g->id = id;
3673 7cf289ca 2004-04-06 devnull g->class = class;
3674 7cf289ca 2004-04-06 devnull g->style = style;
3675 7cf289ca 2004-04-06 devnull g->title = title;
3676 7cf289ca 2004-04-06 devnull g->events = events;
3677 7cf289ca 2004-04-06 devnull return g;
3680 7cf289ca 2004-04-06 devnull static Formfield*
3681 7cf289ca 2004-04-06 devnull newformfield(int ftype, int fieldid, Form* form, Rune* name,
3682 7cf289ca 2004-04-06 devnull Rune* value, int size, int maxlength, Formfield* link)
3684 7cf289ca 2004-04-06 devnull Formfield* ff;
3686 7cf289ca 2004-04-06 devnull ff = (Formfield*)emalloc(sizeof(Formfield));
3687 7cf289ca 2004-04-06 devnull ff->ftype = ftype;
3688 7cf289ca 2004-04-06 devnull ff->fieldid = fieldid;
3689 7cf289ca 2004-04-06 devnull ff->form = form;
3690 7cf289ca 2004-04-06 devnull ff->name = name;
3691 7cf289ca 2004-04-06 devnull ff->value = value;
3692 7cf289ca 2004-04-06 devnull ff->size = size;
3693 7cf289ca 2004-04-06 devnull ff->maxlength = maxlength;
3694 7cf289ca 2004-04-06 devnull ff->ctlid = -1;
3695 7cf289ca 2004-04-06 devnull ff->next = link;
3696 7cf289ca 2004-04-06 devnull return ff;
3699 7cf289ca 2004-04-06 devnull // Transfers ownership of value and display to Option.
3700 7cf289ca 2004-04-06 devnull static Option*
3701 7cf289ca 2004-04-06 devnull newoption(int selected, Rune* value, Rune* display, Option* link)
3703 7cf289ca 2004-04-06 devnull Option *o;
3705 7cf289ca 2004-04-06 devnull o = (Option*)emalloc(sizeof(Option));
3706 7cf289ca 2004-04-06 devnull o->selected = selected;
3707 7cf289ca 2004-04-06 devnull o->value = value;
3708 7cf289ca 2004-04-06 devnull o->display = display;
3709 7cf289ca 2004-04-06 devnull o->next = link;
3710 7cf289ca 2004-04-06 devnull return o;
3713 7cf289ca 2004-04-06 devnull static Form*
3714 7cf289ca 2004-04-06 devnull newform(int formid, Rune* name, Rune* action, int target, int method, Form* link)
3716 7cf289ca 2004-04-06 devnull Form* f;
3718 7cf289ca 2004-04-06 devnull f = (Form*)emalloc(sizeof(Form));
3719 7cf289ca 2004-04-06 devnull f->formid = formid;
3720 7cf289ca 2004-04-06 devnull f->name = name;
3721 7cf289ca 2004-04-06 devnull f->action = action;
3722 7cf289ca 2004-04-06 devnull f->target = target;
3723 7cf289ca 2004-04-06 devnull f->method = method;
3724 7cf289ca 2004-04-06 devnull f->nfields = 0;
3725 7cf289ca 2004-04-06 devnull f->fields = nil;
3726 7cf289ca 2004-04-06 devnull f->next = link;
3727 7cf289ca 2004-04-06 devnull return f;
3730 7cf289ca 2004-04-06 devnull static Table*
3731 7cf289ca 2004-04-06 devnull newtable(int tableid, Align align, Dimen width, int border,
3732 7cf289ca 2004-04-06 devnull int cellspacing, int cellpadding, Background bg, Token* tok, Table* link)
3734 7cf289ca 2004-04-06 devnull Table* t;
3736 7cf289ca 2004-04-06 devnull t = (Table*)emalloc(sizeof(Table));
3737 7cf289ca 2004-04-06 devnull t->tableid = tableid;
3738 7cf289ca 2004-04-06 devnull t->align = align;
3739 7cf289ca 2004-04-06 devnull t->width = width;
3740 7cf289ca 2004-04-06 devnull t->border = border;
3741 7cf289ca 2004-04-06 devnull t->cellspacing = cellspacing;
3742 7cf289ca 2004-04-06 devnull t->cellpadding = cellpadding;
3743 7cf289ca 2004-04-06 devnull t->background = bg;
3744 7cf289ca 2004-04-06 devnull t->caption_place = ALbottom;
3745 7cf289ca 2004-04-06 devnull t->caption_lay = nil;
3746 7cf289ca 2004-04-06 devnull t->tabletok = tok;
3747 7cf289ca 2004-04-06 devnull t->tabletok = nil;
3748 7cf289ca 2004-04-06 devnull t->next = link;
3749 7cf289ca 2004-04-06 devnull return t;
3752 7cf289ca 2004-04-06 devnull static Tablerow*
3753 7cf289ca 2004-04-06 devnull newtablerow(Align align, Background bg, int flags, Tablerow* link)
3755 7cf289ca 2004-04-06 devnull Tablerow* tr;
3757 7cf289ca 2004-04-06 devnull tr = (Tablerow*)emalloc(sizeof(Tablerow));
3758 7cf289ca 2004-04-06 devnull tr->align = align;
3759 7cf289ca 2004-04-06 devnull tr->background = bg;
3760 7cf289ca 2004-04-06 devnull tr->flags = flags;
3761 7cf289ca 2004-04-06 devnull tr->next = link;
3762 7cf289ca 2004-04-06 devnull return tr;
3765 7cf289ca 2004-04-06 devnull static Tablecell*
3766 7cf289ca 2004-04-06 devnull newtablecell(int cellid, int rowspan, int colspan, Align align, Dimen wspec, int hspec,
3767 7cf289ca 2004-04-06 devnull Background bg, int flags, Tablecell* link)
3769 7cf289ca 2004-04-06 devnull Tablecell* c;
3771 7cf289ca 2004-04-06 devnull c = (Tablecell*)emalloc(sizeof(Tablecell));
3772 7cf289ca 2004-04-06 devnull c->cellid = cellid;
3773 7cf289ca 2004-04-06 devnull c->lay = nil;
3774 7cf289ca 2004-04-06 devnull c->rowspan = rowspan;
3775 7cf289ca 2004-04-06 devnull c->colspan = colspan;
3776 7cf289ca 2004-04-06 devnull c->align = align;
3777 7cf289ca 2004-04-06 devnull c->flags = flags;
3778 7cf289ca 2004-04-06 devnull c->wspec = wspec;
3779 7cf289ca 2004-04-06 devnull c->hspec = hspec;
3780 7cf289ca 2004-04-06 devnull c->background = bg;
3781 7cf289ca 2004-04-06 devnull c->next = link;
3782 7cf289ca 2004-04-06 devnull return c;
3785 7cf289ca 2004-04-06 devnull static Anchor*
3786 7cf289ca 2004-04-06 devnull newanchor(int index, Rune* name, Rune* href, int target, Anchor* link)
3788 7cf289ca 2004-04-06 devnull Anchor* a;
3790 7cf289ca 2004-04-06 devnull a = (Anchor*)emalloc(sizeof(Anchor));
3791 7cf289ca 2004-04-06 devnull a->index = index;
3792 7cf289ca 2004-04-06 devnull a->name = name;
3793 7cf289ca 2004-04-06 devnull a->href = href;
3794 7cf289ca 2004-04-06 devnull a->target = target;
3795 7cf289ca 2004-04-06 devnull a->next = link;
3796 7cf289ca 2004-04-06 devnull return a;
3799 7cf289ca 2004-04-06 devnull static DestAnchor*
3800 7cf289ca 2004-04-06 devnull newdestanchor(int index, Rune* name, Item* item, DestAnchor* link)
3802 7cf289ca 2004-04-06 devnull DestAnchor* d;
3804 7cf289ca 2004-04-06 devnull d = (DestAnchor*)emalloc(sizeof(DestAnchor));
3805 7cf289ca 2004-04-06 devnull d->index = index;
3806 7cf289ca 2004-04-06 devnull d->name = name;
3807 7cf289ca 2004-04-06 devnull d->item = item;
3808 7cf289ca 2004-04-06 devnull d->next = link;
3809 7cf289ca 2004-04-06 devnull return d;
3812 7cf289ca 2004-04-06 devnull static SEvent*
3813 7cf289ca 2004-04-06 devnull newscriptevent(int type, Rune* script, SEvent* link)
3815 7cf289ca 2004-04-06 devnull SEvent* ans;
3817 7cf289ca 2004-04-06 devnull ans = (SEvent*)emalloc(sizeof(SEvent));
3818 7cf289ca 2004-04-06 devnull ans->type = type;
3819 7cf289ca 2004-04-06 devnull ans->script = script;
3820 7cf289ca 2004-04-06 devnull ans->next = link;
3821 7cf289ca 2004-04-06 devnull return ans;
3824 7cf289ca 2004-04-06 devnull static void
3825 7cf289ca 2004-04-06 devnull freescriptevents(SEvent* ehead)
3827 7cf289ca 2004-04-06 devnull SEvent* e;
3828 7cf289ca 2004-04-06 devnull SEvent* nexte;
3830 7cf289ca 2004-04-06 devnull e = ehead;
3831 7cf289ca 2004-04-06 devnull while(e != nil) {
3832 7cf289ca 2004-04-06 devnull nexte = e->next;
3833 7cf289ca 2004-04-06 devnull free(e->script);
3834 7cf289ca 2004-04-06 devnull free(e);
3835 7cf289ca 2004-04-06 devnull e = nexte;
3839 7cf289ca 2004-04-06 devnull static Dimen
3840 7cf289ca 2004-04-06 devnull makedimen(int kind, int spec)
3842 7cf289ca 2004-04-06 devnull Dimen d;
3844 7cf289ca 2004-04-06 devnull if(spec&Dkindmask) {
3845 7cf289ca 2004-04-06 devnull if(warn)
3846 7cf289ca 2004-04-06 devnull fprint(2, "warning: dimension spec too big: %d\n", spec);
3847 7cf289ca 2004-04-06 devnull spec = 0;
3849 7cf289ca 2004-04-06 devnull d.kindspec = kind|spec;
3850 7cf289ca 2004-04-06 devnull return d;
3854 7cf289ca 2004-04-06 devnull dimenkind(Dimen d)
3856 7cf289ca 2004-04-06 devnull return (d.kindspec&Dkindmask);
3860 7cf289ca 2004-04-06 devnull dimenspec(Dimen d)
3862 7cf289ca 2004-04-06 devnull return (d.kindspec&Dspecmask);
3865 7cf289ca 2004-04-06 devnull static Kidinfo*
3866 7cf289ca 2004-04-06 devnull newkidinfo(int isframeset, Kidinfo* link)
3868 7cf289ca 2004-04-06 devnull Kidinfo* ki;
3870 7cf289ca 2004-04-06 devnull ki = (Kidinfo*)emalloc(sizeof(Kidinfo));
3871 7cf289ca 2004-04-06 devnull ki->isframeset = isframeset;
3872 7cf289ca 2004-04-06 devnull if(!isframeset) {
3873 7cf289ca 2004-04-06 devnull ki->flags = FRhscrollauto|FRvscrollauto;
3874 7cf289ca 2004-04-06 devnull ki->marginw = FRKIDMARGIN;
3875 7cf289ca 2004-04-06 devnull ki->marginh = FRKIDMARGIN;
3876 7cf289ca 2004-04-06 devnull ki->framebd = 1;
3878 7cf289ca 2004-04-06 devnull ki->next = link;
3879 7cf289ca 2004-04-06 devnull return ki;
3882 7cf289ca 2004-04-06 devnull static Docinfo*
3883 7cf289ca 2004-04-06 devnull newdocinfo(void)
3885 7cf289ca 2004-04-06 devnull Docinfo* d;
3887 7cf289ca 2004-04-06 devnull d = (Docinfo*)emalloc(sizeof(Docinfo));
3888 7cf289ca 2004-04-06 devnull resetdocinfo(d);
3889 7cf289ca 2004-04-06 devnull return d;
3892 7cf289ca 2004-04-06 devnull static void
3893 7cf289ca 2004-04-06 devnull resetdocinfo(Docinfo* d)
3895 7cf289ca 2004-04-06 devnull memset(d, 0, sizeof(Docinfo));
3896 7cf289ca 2004-04-06 devnull d->background = makebackground(nil, White);
3897 7cf289ca 2004-04-06 devnull d->text = Black;
3898 7cf289ca 2004-04-06 devnull d->link = Blue;
3899 7cf289ca 2004-04-06 devnull d->vlink = Blue;
3900 7cf289ca 2004-04-06 devnull d->alink = Blue;
3901 7cf289ca 2004-04-06 devnull d->target = FTself;
3902 7cf289ca 2004-04-06 devnull d->chset = ISO_8859_1;
3903 7cf289ca 2004-04-06 devnull d->scripttype = TextJavascript;
3904 7cf289ca 2004-04-06 devnull d->frameid = -1;
3907 7cf289ca 2004-04-06 devnull // Use targetmap array to keep track of name <-> targetid mapping.
3908 7cf289ca 2004-04-06 devnull // Use real malloc(), and never free
3909 7cf289ca 2004-04-06 devnull static void
3910 7cf289ca 2004-04-06 devnull targetmapinit(void)
3912 7cf289ca 2004-04-06 devnull targetmapsize = 10;
3913 7cf289ca 2004-04-06 devnull targetmap = (StringInt*)emalloc(targetmapsize*sizeof(StringInt));
3914 7cf289ca 2004-04-06 devnull memset(targetmap, 0, targetmapsize*sizeof(StringInt));
3915 7cf289ca 2004-04-06 devnull targetmap[0].key = _Strdup(L(L_top));
3916 7cf289ca 2004-04-06 devnull targetmap[0].val = FTtop;
3917 7cf289ca 2004-04-06 devnull targetmap[1].key = _Strdup(L(L_self));
3918 7cf289ca 2004-04-06 devnull targetmap[1].val = FTself;
3919 7cf289ca 2004-04-06 devnull targetmap[2].key = _Strdup(L(L_parent));
3920 7cf289ca 2004-04-06 devnull targetmap[2].val = FTparent;
3921 7cf289ca 2004-04-06 devnull targetmap[3].key = _Strdup(L(L_blank));
3922 7cf289ca 2004-04-06 devnull targetmap[3].val = FTblank;
3923 7cf289ca 2004-04-06 devnull ntargets = 4;
3927 7cf289ca 2004-04-06 devnull targetid(Rune* s)
3932 7cf289ca 2004-04-06 devnull n = _Strlen(s);
3933 7cf289ca 2004-04-06 devnull if(n == 0)
3934 7cf289ca 2004-04-06 devnull return FTself;
3935 7cf289ca 2004-04-06 devnull for(i = 0; i < ntargets; i++)
3936 7cf289ca 2004-04-06 devnull if(_Strcmp(s, targetmap[i].key) == 0)
3937 7cf289ca 2004-04-06 devnull return targetmap[i].val;
3938 7cf289ca 2004-04-06 devnull if(i >= targetmapsize) {
3939 7cf289ca 2004-04-06 devnull targetmapsize += 10;
3940 7cf289ca 2004-04-06 devnull targetmap = (StringInt*)erealloc(targetmap, targetmapsize*sizeof(StringInt));
3942 7cf289ca 2004-04-06 devnull targetmap[i].key = (Rune*)emalloc((n+1)*sizeof(Rune));
3943 7cf289ca 2004-04-06 devnull memmove(targetmap[i].key, s, (n+1)*sizeof(Rune));
3944 7cf289ca 2004-04-06 devnull targetmap[i].val = i;
3945 7cf289ca 2004-04-06 devnull ntargets++;
3946 7cf289ca 2004-04-06 devnull return i;
3950 7cf289ca 2004-04-06 devnull targetname(int targid)
3954 7cf289ca 2004-04-06 devnull for(i = 0; i < ntargets; i++)
3955 7cf289ca 2004-04-06 devnull if(targetmap[i].val == targid)
3956 7cf289ca 2004-04-06 devnull return targetmap[i].key;
3957 7cf289ca 2004-04-06 devnull return L(Lquestion);
3960 7cf289ca 2004-04-06 devnull // Convert HTML color spec to RGB value, returning dflt if can't.
3961 7cf289ca 2004-04-06 devnull // Argument is supposed to be a valid HTML color, or "".
3962 7cf289ca 2004-04-06 devnull // Return the RGB value of the color, using dflt if s
3963 7cf289ca 2004-04-06 devnull // is nil or an invalid color.
3964 7cf289ca 2004-04-06 devnull static int
3965 7cf289ca 2004-04-06 devnull color(Rune* s, int dflt)
3968 7cf289ca 2004-04-06 devnull Rune* rest;
3970 7cf289ca 2004-04-06 devnull if(s == nil)
3971 7cf289ca 2004-04-06 devnull return dflt;
3972 7cf289ca 2004-04-06 devnull if(_lookup(color_tab, NCOLORS, s, _Strlen(s), &v))
3973 7cf289ca 2004-04-06 devnull return v;
3974 7cf289ca 2004-04-06 devnull if(s[0] == '#')
3976 7cf289ca 2004-04-06 devnull v = _Strtol(s, &rest, 16);
3977 7cf289ca 2004-04-06 devnull if(*rest == 0)
3978 7cf289ca 2004-04-06 devnull return v;
3979 7cf289ca 2004-04-06 devnull return dflt;
3982 7cf289ca 2004-04-06 devnull // Debugging
3984 7cf289ca 2004-04-06 devnull #define HUGEPIX 10000
3986 7cf289ca 2004-04-06 devnull // A "shallow" validitem, that doesn't follow next links
3987 7cf289ca 2004-04-06 devnull // or descend into tables.
3988 7cf289ca 2004-04-06 devnull static int
3989 7cf289ca 2004-04-06 devnull validitem(Item* i)
3991 7cf289ca 2004-04-06 devnull int ok;
3992 7cf289ca 2004-04-06 devnull Itext* ti;
3993 7cf289ca 2004-04-06 devnull Irule* ri;
3994 7cf289ca 2004-04-06 devnull Iimage* ii;
3995 7cf289ca 2004-04-06 devnull Ifloat* fi;
3998 7cf289ca 2004-04-06 devnull ok = (i->tag >= Itexttag && i->tag <= Ispacertag) &&
3999 7cf289ca 2004-04-06 devnull (i->next == nil || validptr(i->next)) &&
4000 7cf289ca 2004-04-06 devnull (i->width >= 0 && i->width < HUGEPIX) &&
4001 7cf289ca 2004-04-06 devnull (i->height >= 0 && i->height < HUGEPIX) &&
4002 7cf289ca 2004-04-06 devnull (i->ascent > -HUGEPIX && i->ascent < HUGEPIX) &&
4003 7cf289ca 2004-04-06 devnull (i->anchorid >= 0) &&
4004 7cf289ca 2004-04-06 devnull (i->genattr == nil || validptr(i->genattr));
4005 7cf289ca 2004-04-06 devnull // also, could check state for ridiculous combinations
4006 7cf289ca 2004-04-06 devnull // also, could check anchorid for within-doc-range
4008 7cf289ca 2004-04-06 devnull switch(i->tag) {
4009 7cf289ca 2004-04-06 devnull case Itexttag:
4010 7cf289ca 2004-04-06 devnull ti = (Itext*)i;
4011 7cf289ca 2004-04-06 devnull ok = validStr(ti->s) &&
4012 7cf289ca 2004-04-06 devnull (ti->fnt >= 0 && ti->fnt < NumStyle*NumSize) &&
4013 7cf289ca 2004-04-06 devnull (ti->ul == ULnone || ti->ul == ULunder || ti->ul == ULmid);
4015 7cf289ca 2004-04-06 devnull case Iruletag:
4016 7cf289ca 2004-04-06 devnull ri = (Irule*)i;
4017 7cf289ca 2004-04-06 devnull ok = (validvalign(ri->align) || validhalign(ri->align)) &&
4018 7cf289ca 2004-04-06 devnull (ri->size >=0 && ri->size < HUGEPIX);
4020 7cf289ca 2004-04-06 devnull case Iimagetag:
4021 7cf289ca 2004-04-06 devnull ii = (Iimage*)i;
4022 7cf289ca 2004-04-06 devnull ok = (ii->imsrc == nil || validptr(ii->imsrc)) &&
4023 7cf289ca 2004-04-06 devnull (ii->item.width >= 0 && ii->item.width < HUGEPIX) &&
4024 7cf289ca 2004-04-06 devnull (ii->item.height >= 0 && ii->item.height < HUGEPIX) &&
4025 7cf289ca 2004-04-06 devnull (ii->imwidth >= 0 && ii->imwidth < HUGEPIX) &&
4026 7cf289ca 2004-04-06 devnull (ii->imheight >= 0 && ii->imheight < HUGEPIX) &&
4027 7cf289ca 2004-04-06 devnull (ii->altrep == nil || validStr(ii->altrep)) &&
4028 7cf289ca 2004-04-06 devnull (ii->map == nil || validptr(ii->map)) &&
4029 7cf289ca 2004-04-06 devnull (validvalign(ii->align) || validhalign(ii->align)) &&
4030 7cf289ca 2004-04-06 devnull (ii->nextimage == nil || validptr(ii->nextimage));
4032 7cf289ca 2004-04-06 devnull case Iformfieldtag:
4033 7cf289ca 2004-04-06 devnull ok = validformfield(((Iformfield*)i)->formfield);
4035 7cf289ca 2004-04-06 devnull case Itabletag:
4036 7cf289ca 2004-04-06 devnull ok = validptr((Itable*)i);
4038 7cf289ca 2004-04-06 devnull case Ifloattag:
4039 7cf289ca 2004-04-06 devnull fi = (Ifloat*)i;
4040 7cf289ca 2004-04-06 devnull ok = (fi->side == ALleft || fi->side == ALright) &&
4041 7cf289ca 2004-04-06 devnull validitem(fi->item) &&
4042 7cf289ca 2004-04-06 devnull (fi->item->tag == Iimagetag || fi->item->tag == Itabletag);
4044 7cf289ca 2004-04-06 devnull case Ispacertag:
4045 7cf289ca 2004-04-06 devnull a = ((Ispacer*)i)->spkind;
4046 7cf289ca 2004-04-06 devnull ok = a==ISPnull || a==ISPvline || a==ISPhspace || a==ISPgeneral;
4048 7cf289ca 2004-04-06 devnull default:
4049 7cf289ca 2004-04-06 devnull ok = 0;
4051 7cf289ca 2004-04-06 devnull return ok;
4054 7cf289ca 2004-04-06 devnull // "deep" validation, that checks whole list of items,
4055 7cf289ca 2004-04-06 devnull // and descends into tables and floated tables.
4056 7cf289ca 2004-04-06 devnull // nil is ok for argument.
4058 7cf289ca 2004-04-06 devnull validitems(Item* i)
4060 7cf289ca 2004-04-06 devnull int ok;
4061 7cf289ca 2004-04-06 devnull Item* ii;
4063 7cf289ca 2004-04-06 devnull ok = 1;
4064 7cf289ca 2004-04-06 devnull while(i != nil && ok) {
4065 7cf289ca 2004-04-06 devnull ok = validitem(i);
4066 7cf289ca 2004-04-06 devnull if(ok) {
4067 7cf289ca 2004-04-06 devnull if(i->tag == Itabletag) {
4068 7cf289ca 2004-04-06 devnull ok = validtable(((Itable*)i)->table);
4070 7cf289ca 2004-04-06 devnull else if(i->tag == Ifloattag) {
4071 7cf289ca 2004-04-06 devnull ii = ((Ifloat*)i)->item;
4072 7cf289ca 2004-04-06 devnull if(ii->tag == Itabletag)
4073 7cf289ca 2004-04-06 devnull ok = validtable(((Itable*)ii)->table);
4076 7cf289ca 2004-04-06 devnull if(!ok) {
4077 7cf289ca 2004-04-06 devnull fprint(2, "invalid item: %I\n", i);
4079 7cf289ca 2004-04-06 devnull i = i->next;
4081 7cf289ca 2004-04-06 devnull return ok;
4084 7cf289ca 2004-04-06 devnull static int
4085 7cf289ca 2004-04-06 devnull validformfield(Formfield* f)
4087 7cf289ca 2004-04-06 devnull int ok;
4089 7cf289ca 2004-04-06 devnull ok = (f->next == nil || validptr(f->next)) &&
4090 7cf289ca 2004-04-06 devnull (f->ftype >= 0 && f->ftype <= Ftextarea) &&
4091 7cf289ca 2004-04-06 devnull f->fieldid >= 0 &&
4092 7cf289ca 2004-04-06 devnull (f->form == nil || validptr(f->form)) &&
4093 7cf289ca 2004-04-06 devnull (f->name == nil || validStr(f->name)) &&
4094 7cf289ca 2004-04-06 devnull (f->value == nil || validStr(f->value)) &&
4095 7cf289ca 2004-04-06 devnull (f->options == nil || validptr(f->options)) &&
4096 7cf289ca 2004-04-06 devnull (f->image == nil || validitem(f->image)) &&
4097 7cf289ca 2004-04-06 devnull (f->events == nil || validptr(f->events));
4098 7cf289ca 2004-04-06 devnull // when all built, should have f->fieldid < f->form->nfields,
4099 7cf289ca 2004-04-06 devnull // but this may be called during build...
4100 7cf289ca 2004-04-06 devnull return ok;
4103 7cf289ca 2004-04-06 devnull // "deep" validation -- checks cell contents too
4104 7cf289ca 2004-04-06 devnull static int
4105 7cf289ca 2004-04-06 devnull validtable(Table* t)
4107 7cf289ca 2004-04-06 devnull int ok;
4108 7cf289ca 2004-04-06 devnull int i, j;
4109 7cf289ca 2004-04-06 devnull Tablecell* c;
4111 7cf289ca 2004-04-06 devnull ok = (t->next == nil || validptr(t->next)) &&
4112 7cf289ca 2004-04-06 devnull t->nrow >= 0 &&
4113 7cf289ca 2004-04-06 devnull t->ncol >= 0 &&
4114 7cf289ca 2004-04-06 devnull t->ncell >= 0 &&
4115 7cf289ca 2004-04-06 devnull validalign(t->align) &&
4116 7cf289ca 2004-04-06 devnull validdimen(t->width) &&
4117 7cf289ca 2004-04-06 devnull (t->border >= 0 && t->border < HUGEPIX) &&
4118 7cf289ca 2004-04-06 devnull (t->cellspacing >= 0 && t->cellspacing < HUGEPIX) &&
4119 7cf289ca 2004-04-06 devnull (t->cellpadding >= 0 && t->cellpadding < HUGEPIX) &&
4120 7cf289ca 2004-04-06 devnull validitems(t->caption) &&
4121 7cf289ca 2004-04-06 devnull (t->caption_place == ALtop || t->caption_place == ALbottom) &&
4122 7cf289ca 2004-04-06 devnull (t->totw >= 0 && t->totw < HUGEPIX) &&
4123 7cf289ca 2004-04-06 devnull (t->toth >= 0 && t->toth < HUGEPIX) &&
4124 7cf289ca 2004-04-06 devnull (t->tabletok == nil || validptr(t->tabletok));
4125 7cf289ca 2004-04-06 devnull // during parsing, t->rows has list;
4126 7cf289ca 2004-04-06 devnull // only when parsing is done is t->nrow set > 0
4127 7cf289ca 2004-04-06 devnull if(ok && t->nrow > 0 && t->ncol > 0) {
4128 7cf289ca 2004-04-06 devnull // table is "finished"
4129 7cf289ca 2004-04-06 devnull for(i = 0; i < t->nrow && ok; i++)
4130 7cf289ca 2004-04-06 devnull ok = validtablerow(t->rows+i);
4131 7cf289ca 2004-04-06 devnull for(j = 0; j < t->ncol && ok; j++)
4132 7cf289ca 2004-04-06 devnull ok = validtablecol(t->cols+j);
4133 7cf289ca 2004-04-06 devnull for(c = t->cells; c != nil && ok; c = c->next)
4134 7cf289ca 2004-04-06 devnull ok = validtablecell(c);
4135 7cf289ca 2004-04-06 devnull for(i = 0; i < t->nrow && ok; i++)
4136 7cf289ca 2004-04-06 devnull for(j = 0; j < t->ncol && ok; j++)
4137 7cf289ca 2004-04-06 devnull ok = validptr(t->grid[i][j]);
4139 7cf289ca 2004-04-06 devnull return ok;
4142 7cf289ca 2004-04-06 devnull static int
4143 7cf289ca 2004-04-06 devnull validvalign(int a)
4145 7cf289ca 2004-04-06 devnull return a == ALnone || a == ALmiddle || a == ALbottom || a == ALtop || a == ALbaseline;
4148 7cf289ca 2004-04-06 devnull static int
4149 7cf289ca 2004-04-06 devnull validhalign(int a)
4151 7cf289ca 2004-04-06 devnull return a == ALnone || a == ALleft || a == ALcenter || a == ALright ||
4152 7cf289ca 2004-04-06 devnull a == ALjustify || a == ALchar;
4155 7cf289ca 2004-04-06 devnull static int
4156 7cf289ca 2004-04-06 devnull validalign(Align a)
4158 7cf289ca 2004-04-06 devnull return validhalign(a.halign) && validvalign(a.valign);
4161 7cf289ca 2004-04-06 devnull static int
4162 7cf289ca 2004-04-06 devnull validdimen(Dimen d)
4164 7cf289ca 2004-04-06 devnull int ok;
4167 7cf289ca 2004-04-06 devnull ok = 0;
4168 7cf289ca 2004-04-06 devnull s = d.kindspec&Dspecmask;
4169 7cf289ca 2004-04-06 devnull switch(d.kindspec&Dkindmask) {
4170 7cf289ca 2004-04-06 devnull case Dnone:
4171 7cf289ca 2004-04-06 devnull ok = s==0;
4173 7cf289ca 2004-04-06 devnull case Dpixels:
4174 7cf289ca 2004-04-06 devnull ok = s < HUGEPIX;
4176 7cf289ca 2004-04-06 devnull case Dpercent:
4177 7cf289ca 2004-04-06 devnull case Drelative:
4178 7cf289ca 2004-04-06 devnull ok = 1;
4181 7cf289ca 2004-04-06 devnull return ok;
4184 7cf289ca 2004-04-06 devnull static int
4185 7cf289ca 2004-04-06 devnull validtablerow(Tablerow* r)
4187 7cf289ca 2004-04-06 devnull return (r->cells == nil || validptr(r->cells)) &&
4188 7cf289ca 2004-04-06 devnull (r->height >= 0 && r->height < HUGEPIX) &&
4189 7cf289ca 2004-04-06 devnull (r->ascent > -HUGEPIX && r->ascent < HUGEPIX) &&
4190 7cf289ca 2004-04-06 devnull validalign(r->align);
4193 7cf289ca 2004-04-06 devnull static int
4194 7cf289ca 2004-04-06 devnull validtablecol(Tablecol* c)
4196 7cf289ca 2004-04-06 devnull return c->width >= 0 && c->width < HUGEPIX
4197 7cf289ca 2004-04-06 devnull && validalign(c->align);
4200 7cf289ca 2004-04-06 devnull static int
4201 7cf289ca 2004-04-06 devnull validtablecell(Tablecell* c)
4203 7cf289ca 2004-04-06 devnull int ok;
4205 7cf289ca 2004-04-06 devnull ok = (c->next == nil || validptr(c->next)) &&
4206 7cf289ca 2004-04-06 devnull (c->nextinrow == nil || validptr(c->nextinrow)) &&
4207 7cf289ca 2004-04-06 devnull (c->content == nil || validptr(c->content)) &&
4208 7cf289ca 2004-04-06 devnull (c->lay == nil || validptr(c->lay)) &&
4209 7cf289ca 2004-04-06 devnull c->rowspan >= 0 &&
4210 7cf289ca 2004-04-06 devnull c->colspan >= 0 &&
4211 7cf289ca 2004-04-06 devnull validalign(c->align) &&
4212 7cf289ca 2004-04-06 devnull validdimen(c->wspec) &&
4213 7cf289ca 2004-04-06 devnull c->row >= 0 &&
4214 7cf289ca 2004-04-06 devnull c->col >= 0;
4215 7cf289ca 2004-04-06 devnull if(ok) {
4216 7cf289ca 2004-04-06 devnull if(c->content != nil)
4217 7cf289ca 2004-04-06 devnull ok = validitems(c->content);
4219 7cf289ca 2004-04-06 devnull return ok;
4222 7cf289ca 2004-04-06 devnull static int
4223 7cf289ca 2004-04-06 devnull validptr(void* p)
4225 7cf289ca 2004-04-06 devnull // TODO: a better job of this.
4226 7cf289ca 2004-04-06 devnull // For now, just dereference, which cause a bomb
4227 7cf289ca 2004-04-06 devnull // if not valid
4228 7cf289ca 2004-04-06 devnull static char c;
4230 7cf289ca 2004-04-06 devnull c = *((char*)p);
4231 7cf289ca 2004-04-06 devnull return 1;
4234 7cf289ca 2004-04-06 devnull static int
4235 7cf289ca 2004-04-06 devnull validStr(Rune* s)
4237 7cf289ca 2004-04-06 devnull return s != nil && validptr(s);
