4 5cedca1b 2004-05-15 devnull Device interfaces
7 a47fbb16 2005-10-31 devnull #include <u.h>
8 5cedca1b 2004-05-15 devnull #include "tdef.h"
9 5cedca1b 2004-05-15 devnull #include "ext.h"
10 5cedca1b 2004-05-15 devnull #include "fns.h"
11 5cedca1b 2004-05-15 devnull #include <ctype.h>
13 5cedca1b 2004-05-15 devnull Term t; /* terminal characteristics */
15 5cedca1b 2004-05-15 devnull int dtab;
16 5cedca1b 2004-05-15 devnull int plotmode;
17 5cedca1b 2004-05-15 devnull int esct;
19 5cedca1b 2004-05-15 devnull enum { Notype = 0, Type = 1 };
21 5cedca1b 2004-05-15 devnull static char *parse(char *s, int typeit) /* convert \0, etc to nroff driving table format */
22 5cedca1b 2004-05-15 devnull { /* typeit => add a type id to the front for later use */
23 5cedca1b 2004-05-15 devnull static char buf[100], *t, *obuf;
24 5cedca1b 2004-05-15 devnull int quote = 0;
25 5cedca1b 2004-05-15 devnull wchar_t wc;
27 5cedca1b 2004-05-15 devnull obuf = typeit == Type ? buf : buf+1;
28 5cedca1b 2004-05-15 devnull #ifdef UNICODE
29 5cedca1b 2004-05-15 devnull if (mbtowc(&wc, s, strlen(s)) > 1) { /* it's multibyte, */
30 5cedca1b 2004-05-15 devnull buf[0] = MBchar;
31 5cedca1b 2004-05-15 devnull strcpy(buf+1, s);
32 5cedca1b 2004-05-15 devnull return obuf;
33 5cedca1b 2004-05-15 devnull } /* so just hand it back */
34 5cedca1b 2004-05-15 devnull #endif /*UNICODE*/
35 5cedca1b 2004-05-15 devnull buf[0] = Troffchar;
36 5cedca1b 2004-05-15 devnull t = buf + 1;
37 5cedca1b 2004-05-15 devnull if (*s == '"') {
39 5cedca1b 2004-05-15 devnull quote = 1;
41 5cedca1b 2004-05-15 devnull for (;;) {
42 5cedca1b 2004-05-15 devnull if (quote && *s == '"') {
46 5cedca1b 2004-05-15 devnull if (!quote && (*s == ' ' || *s == '\t' || *s == '\n' || *s == '\0'))
48 5cedca1b 2004-05-15 devnull if (*s != '\\')
49 5cedca1b 2004-05-15 devnull *t++ = *s++;
51 5cedca1b 2004-05-15 devnull s++; /* skip \\ */
52 a47fbb16 2005-10-31 devnull if (isdigit((uchar)s[0]) && isdigit((uchar)s[1]) && isdigit((uchar)s[2])) {
53 5cedca1b 2004-05-15 devnull *t++ = (s[0]-'0')<<6 | (s[1]-'0')<<3 | s[2]-'0';
55 604ad4d8 2005-11-01 devnull } else if (isdigit((uchar)s[0])) {
56 5cedca1b 2004-05-15 devnull *t++ = *s - '0';
57 5cedca1b 2004-05-15 devnull } else if (*s == 'b') {
58 5cedca1b 2004-05-15 devnull *t++ = '\b';
59 5cedca1b 2004-05-15 devnull } else if (*s == 'n') {
60 5cedca1b 2004-05-15 devnull *t++ = '\n';
61 5cedca1b 2004-05-15 devnull } else if (*s == 'r') {
62 5cedca1b 2004-05-15 devnull *t++ = '\r';
63 5cedca1b 2004-05-15 devnull } else if (*s == 't') {
64 5cedca1b 2004-05-15 devnull *t++ = '\t';
66 5cedca1b 2004-05-15 devnull *t++ = *s;
71 5cedca1b 2004-05-15 devnull *t = '\0';
72 5cedca1b 2004-05-15 devnull return obuf;
76 5cedca1b 2004-05-15 devnull static int getnrfont(FILE *fp) /* read the nroff description file */
78 5cedca1b 2004-05-15 devnull Chwid chtemp[NCHARS];
79 5cedca1b 2004-05-15 devnull static Chwid chinit;
80 5cedca1b 2004-05-15 devnull int i, nw, n, wid, code, type;
81 c5561c23 2004-05-16 devnull char buf[100], ch[100], s1[100], s2[100];
82 5cedca1b 2004-05-15 devnull wchar_t wc;
84 c5561c23 2004-05-16 devnull code = 0;
85 5cedca1b 2004-05-15 devnull chinit.wid = 1;
86 5cedca1b 2004-05-15 devnull chinit.str = "";
87 5cedca1b 2004-05-15 devnull for (i = 0; i < ALPHABET; i++) {
88 5cedca1b 2004-05-15 devnull chtemp[i] = chinit; /* zero out to begin with */
89 5cedca1b 2004-05-15 devnull chtemp[i].num = chtemp[i].code = i; /* every alphabetic character is itself */
90 5cedca1b 2004-05-15 devnull chtemp[i].wid = 1; /* default ascii widths */
92 5cedca1b 2004-05-15 devnull skipline(fp);
93 5cedca1b 2004-05-15 devnull nw = ALPHABET;
94 5cedca1b 2004-05-15 devnull while (fgets(buf, sizeof buf, fp) != NULL) {
95 5cedca1b 2004-05-15 devnull sscanf(buf, "%s %s %[^\n]", ch, s1, s2);
96 5cedca1b 2004-05-15 devnull if (!eq(s1, "\"")) { /* genuine new character */
97 5cedca1b 2004-05-15 devnull sscanf(s1, "%d", &wid);
98 5cedca1b 2004-05-15 devnull } /* else it's a synonym for prev character, */
99 5cedca1b 2004-05-15 devnull /* so leave previous values intact */
101 5cedca1b 2004-05-15 devnull /* decide what kind of alphabet it might come from */
103 5cedca1b 2004-05-15 devnull if (strlen(ch) == 1) { /* it's ascii */
104 5cedca1b 2004-05-15 devnull n = ch[0]; /* origin includes non-graphics */
105 5cedca1b 2004-05-15 devnull chtemp[n].num = ch[0];
106 5cedca1b 2004-05-15 devnull } else if (ch[0] == '\\' && ch[1] == '0') {
107 5cedca1b 2004-05-15 devnull n = strtol(ch+1, 0, 0); /* \0octal or \0xhex */
108 5cedca1b 2004-05-15 devnull chtemp[n].num = n;
109 5cedca1b 2004-05-15 devnull #ifdef UNICODE
110 5cedca1b 2004-05-15 devnull } else if (mbtowc(&wc, ch, strlen(ch)) > 1) {
111 5cedca1b 2004-05-15 devnull chtemp[nw].num = chadd(ch, MBchar, Install);
114 5cedca1b 2004-05-15 devnull #endif /*UNICODE*/
115 5cedca1b 2004-05-15 devnull } else {
116 5cedca1b 2004-05-15 devnull if (strcmp(ch, "---") == 0) { /* no name */
117 5cedca1b 2004-05-15 devnull sprintf(ch, "%d", code);
118 5cedca1b 2004-05-15 devnull type = Number;
120 5cedca1b 2004-05-15 devnull type = Troffchar;
121 5cedca1b 2004-05-15 devnull /* BUG in here somewhere when same character occurs twice in table */
122 5cedca1b 2004-05-15 devnull chtemp[nw].num = chadd(ch, type, Install);
126 5cedca1b 2004-05-15 devnull chtemp[n].wid = wid;
127 5cedca1b 2004-05-15 devnull chtemp[n].str = strdupl(parse(s2, Type));
129 5cedca1b 2004-05-15 devnull t.tfont.nchars = nw;
130 5cedca1b 2004-05-15 devnull t.tfont.wp = (Chwid *) malloc(nw * sizeof(Chwid));
131 5cedca1b 2004-05-15 devnull if (t.tfont.wp == NULL)
132 5cedca1b 2004-05-15 devnull return -1;
133 5cedca1b 2004-05-15 devnull for (i = 0; i < nw; i++)
134 5cedca1b 2004-05-15 devnull t.tfont.wp[i] = chtemp[i];
135 5cedca1b 2004-05-15 devnull return 1;
139 5cedca1b 2004-05-15 devnull void n_ptinit(void)
142 c5561c23 2004-05-16 devnull char *p;
143 5cedca1b 2004-05-15 devnull char opt[50], cmd[100];
144 5cedca1b 2004-05-15 devnull FILE *fp;
146 5cedca1b 2004-05-15 devnull hmot = n_hmot;
147 5cedca1b 2004-05-15 devnull makem = n_makem;
148 5cedca1b 2004-05-15 devnull setabs = n_setabs;
149 5cedca1b 2004-05-15 devnull setch = n_setch;
150 5cedca1b 2004-05-15 devnull sethl = n_sethl;
151 5cedca1b 2004-05-15 devnull setht = n_setht;
152 5cedca1b 2004-05-15 devnull setslant = n_setslant;
153 5cedca1b 2004-05-15 devnull vmot = n_vmot;
154 5cedca1b 2004-05-15 devnull xlss = n_xlss;
155 5cedca1b 2004-05-15 devnull findft = n_findft;
156 5cedca1b 2004-05-15 devnull width = n_width;
157 5cedca1b 2004-05-15 devnull mchbits = n_mchbits;
158 5cedca1b 2004-05-15 devnull ptlead = n_ptlead;
159 5cedca1b 2004-05-15 devnull ptout = n_ptout;
160 5cedca1b 2004-05-15 devnull ptpause = n_ptpause;
161 5cedca1b 2004-05-15 devnull setfont = n_setfont;
162 5cedca1b 2004-05-15 devnull setps = n_setps;
163 5cedca1b 2004-05-15 devnull setwd = n_setwd;
165 5cedca1b 2004-05-15 devnull if ((p = getenv("NROFFTERM")) != 0)
166 5cedca1b 2004-05-15 devnull strcpy(devname, p);
167 5cedca1b 2004-05-15 devnull if (termtab[0] == 0)
168 5cedca1b 2004-05-15 devnull strcpy(termtab,DWBntermdir);
169 5cedca1b 2004-05-15 devnull if (fontdir[0] == 0)
170 5cedca1b 2004-05-15 devnull strcpy(fontdir, "");
171 5cedca1b 2004-05-15 devnull if (devname[0] == 0)
172 5cedca1b 2004-05-15 devnull strcpy(devname, NDEVNAME);
173 5cedca1b 2004-05-15 devnull pl = 11*INCH;
174 5cedca1b 2004-05-15 devnull po = PO;
175 5cedca1b 2004-05-15 devnull hyf = 0;
176 5cedca1b 2004-05-15 devnull ascii = 1;
178 5cedca1b 2004-05-15 devnull fontlab[1] = 'R';
179 5cedca1b 2004-05-15 devnull fontlab[2] = 'I';
180 5cedca1b 2004-05-15 devnull fontlab[3] = 'B';
181 5cedca1b 2004-05-15 devnull fontlab[4] = PAIR('B','I');
182 5cedca1b 2004-05-15 devnull fontlab[5] = 'D';
183 5cedca1b 2004-05-15 devnull bdtab[3] = 3;
184 5cedca1b 2004-05-15 devnull bdtab[4] = 3;
186 5cedca1b 2004-05-15 devnull /* hyphalg = 0; /* for testing */
188 5cedca1b 2004-05-15 devnull strcat(termtab, devname);
189 1f72bc47 2004-05-17 devnull if ((fp = fopen(unsharp(termtab), "r")) == NULL) {
190 5cedca1b 2004-05-15 devnull ERROR "cannot open %s", termtab WARN;
191 5cedca1b 2004-05-15 devnull exit(-1);
195 5cedca1b 2004-05-15 devnull /* this loop isn't robust about input format errors. */
196 5cedca1b 2004-05-15 devnull /* it assumes name, name-value pairs..., charset */
197 5cedca1b 2004-05-15 devnull /* god help us if we get out of sync. */
199 5cedca1b 2004-05-15 devnull fscanf(fp, "%s", cmd); /* should be device name... */
200 5cedca1b 2004-05-15 devnull if (!is(devname) && trace)
201 5cedca1b 2004-05-15 devnull ERROR "wrong terminal name: saw %s, wanted %s", cmd, devname WARN;
202 5cedca1b 2004-05-15 devnull for (;;) {
203 5cedca1b 2004-05-15 devnull fscanf(fp, "%s", cmd);
204 5cedca1b 2004-05-15 devnull if (is("charset"))
206 5cedca1b 2004-05-15 devnull fscanf(fp, " %[^\n]", opt);
207 5cedca1b 2004-05-15 devnull if (is("bset")) t.bset = atoi(opt);
208 5cedca1b 2004-05-15 devnull else if (is("breset")) t.breset = atoi(opt);
209 5cedca1b 2004-05-15 devnull else if (is("Hor")) t.Hor = atoi(opt);
210 5cedca1b 2004-05-15 devnull else if (is("Vert")) t.Vert = atoi(opt);
211 5cedca1b 2004-05-15 devnull else if (is("Newline")) t.Newline = atoi(opt);
212 5cedca1b 2004-05-15 devnull else if (is("Char")) t.Char = atoi(opt);
213 5cedca1b 2004-05-15 devnull else if (is("Em")) t.Em = atoi(opt);
214 5cedca1b 2004-05-15 devnull else if (is("Halfline")) t.Halfline = atoi(opt);
215 5cedca1b 2004-05-15 devnull else if (is("Adj")) t.Adj = atoi(opt);
216 5cedca1b 2004-05-15 devnull else if (is("twinit")) t.twinit = strdupl(parse(opt, Notype));
217 5cedca1b 2004-05-15 devnull else if (is("twrest")) t.twrest = strdupl(parse(opt, Notype));
218 5cedca1b 2004-05-15 devnull else if (is("twnl")) t.twnl = strdupl(parse(opt, Notype));
219 5cedca1b 2004-05-15 devnull else if (is("hlr")) t.hlr = strdupl(parse(opt, Notype));
220 5cedca1b 2004-05-15 devnull else if (is("hlf")) t.hlf = strdupl(parse(opt, Notype));
221 5cedca1b 2004-05-15 devnull else if (is("flr")) t.flr = strdupl(parse(opt, Notype));
222 5cedca1b 2004-05-15 devnull else if (is("bdon")) t.bdon = strdupl(parse(opt, Notype));
223 5cedca1b 2004-05-15 devnull else if (is("bdoff")) t.bdoff = strdupl(parse(opt, Notype));
224 5cedca1b 2004-05-15 devnull else if (is("iton")) t.iton = strdupl(parse(opt, Notype));
225 5cedca1b 2004-05-15 devnull else if (is("itoff")) t.itoff = strdupl(parse(opt, Notype));
226 5cedca1b 2004-05-15 devnull else if (is("ploton")) t.ploton = strdupl(parse(opt, Notype));
227 5cedca1b 2004-05-15 devnull else if (is("plotoff")) t.plotoff = strdupl(parse(opt, Notype));
228 5cedca1b 2004-05-15 devnull else if (is("up")) t.up = strdupl(parse(opt, Notype));
229 5cedca1b 2004-05-15 devnull else if (is("down")) t.down = strdupl(parse(opt, Notype));
230 5cedca1b 2004-05-15 devnull else if (is("right")) t.right = strdupl(parse(opt, Notype));
231 5cedca1b 2004-05-15 devnull else if (is("left")) t.left = strdupl(parse(opt, Notype));
233 5cedca1b 2004-05-15 devnull ERROR "bad tab.%s file, %s %s", devname, cmd, opt WARN;
236 5cedca1b 2004-05-15 devnull getnrfont(fp);
237 5cedca1b 2004-05-15 devnull fclose(fp);
239 5cedca1b 2004-05-15 devnull sps = EM;
240 5cedca1b 2004-05-15 devnull ics = EM * 2;
241 5cedca1b 2004-05-15 devnull dtab = 8 * t.Em;
242 5cedca1b 2004-05-15 devnull for (i = 0; i < 16; i++)
243 5cedca1b 2004-05-15 devnull tabtab[i] = dtab * (i + 1);
244 5cedca1b 2004-05-15 devnull pl = 11 * INCH;
245 5cedca1b 2004-05-15 devnull po = PO;
246 5cedca1b 2004-05-15 devnull spacesz = SS;
247 5cedca1b 2004-05-15 devnull lss = lss1 = VS;
248 5cedca1b 2004-05-15 devnull ll = ll1 = lt = lt1 = LL;
249 5cedca1b 2004-05-15 devnull smnt = nfonts = 5; /* R I B BI S */
250 5cedca1b 2004-05-15 devnull n_specnames(); /* install names like "hyphen", etc. */
251 5cedca1b 2004-05-15 devnull if (eqflg)
252 5cedca1b 2004-05-15 devnull t.Adj = t.Hor;
256 5cedca1b 2004-05-15 devnull void n_specnames(void)
261 5cedca1b 2004-05-15 devnull for (i = 0; spnames[i].n; i++)
262 5cedca1b 2004-05-15 devnull *spnames[i].n = chadd(spnames[i].v, Troffchar, Install);
263 5cedca1b 2004-05-15 devnull if (c_isalnum == 0)
264 5cedca1b 2004-05-15 devnull c_isalnum = NROFFCHARS;
267 5cedca1b 2004-05-15 devnull void twdone(void)
269 5cedca1b 2004-05-15 devnull if (!TROFF && t.twrest) {
270 5cedca1b 2004-05-15 devnull obufp = obuf;
271 5cedca1b 2004-05-15 devnull oputs(t.twrest);
272 5cedca1b 2004-05-15 devnull flusho();
273 5cedca1b 2004-05-15 devnull if (pipeflg) {
274 5cedca1b 2004-05-15 devnull pclose(ptid);
276 5cedca1b 2004-05-15 devnull restore_tty();
281 5cedca1b 2004-05-15 devnull void n_ptout(Tchar i)
283 5cedca1b 2004-05-15 devnull *olinep++ = i;
284 5cedca1b 2004-05-15 devnull if (olinep >= &oline[LNSIZE])
285 5cedca1b 2004-05-15 devnull olinep--;
286 5cedca1b 2004-05-15 devnull if (cbits(i) != '\n')
288 5cedca1b 2004-05-15 devnull olinep--;
289 5cedca1b 2004-05-15 devnull lead += dip->blss + lss - t.Newline;
290 5cedca1b 2004-05-15 devnull dip->blss = 0;
291 5cedca1b 2004-05-15 devnull esct = esc = 0;
292 5cedca1b 2004-05-15 devnull if (olinep > oline) {
294 5cedca1b 2004-05-15 devnull ptout1();
295 5cedca1b 2004-05-15 devnull oputs(t.twnl);
296 5cedca1b 2004-05-15 devnull } else {
297 5cedca1b 2004-05-15 devnull lead += t.Newline;
300 5cedca1b 2004-05-15 devnull lead += dip->alss;
301 5cedca1b 2004-05-15 devnull dip->alss = 0;
302 5cedca1b 2004-05-15 devnull olinep = oline;
306 5cedca1b 2004-05-15 devnull void ptout1(void)
309 5cedca1b 2004-05-15 devnull char *codep;
310 5cedca1b 2004-05-15 devnull int w, j, phyw;
311 5cedca1b 2004-05-15 devnull Tchar *q, i;
312 5cedca1b 2004-05-15 devnull static int oxfont = FT; /* start off in roman */
314 5cedca1b 2004-05-15 devnull for (q = oline; q < olinep; q++) {
316 5cedca1b 2004-05-15 devnull if (ismot(i)) {
317 5cedca1b 2004-05-15 devnull j = absmot(i);
318 5cedca1b 2004-05-15 devnull if (isnmot(i))
320 5cedca1b 2004-05-15 devnull if (isvmot(i))
321 5cedca1b 2004-05-15 devnull lead += j;
323 5cedca1b 2004-05-15 devnull esc += j;
324 5cedca1b 2004-05-15 devnull continue;
326 5cedca1b 2004-05-15 devnull if ((k = cbits(i)) <= ' ') {
327 5cedca1b 2004-05-15 devnull switch (k) {
328 5cedca1b 2004-05-15 devnull case ' ': /*space*/
329 5cedca1b 2004-05-15 devnull esc += t.Char;
331 5cedca1b 2004-05-15 devnull case '\033':
332 5cedca1b 2004-05-15 devnull case '\007':
333 5cedca1b 2004-05-15 devnull case '\016':
334 5cedca1b 2004-05-15 devnull case '\017':
335 5cedca1b 2004-05-15 devnull oput(k);
338 5cedca1b 2004-05-15 devnull continue;
340 5cedca1b 2004-05-15 devnull phyw = w = t.Char * t.tfont.wp[k].wid;
341 5cedca1b 2004-05-15 devnull if (iszbit(i))
343 5cedca1b 2004-05-15 devnull if (esc || lead)
345 5cedca1b 2004-05-15 devnull esct += w;
346 5cedca1b 2004-05-15 devnull xfont = fbits(i);
347 5cedca1b 2004-05-15 devnull if (xfont != oxfont) {
348 5cedca1b 2004-05-15 devnull switch (oxfont) {
349 5cedca1b 2004-05-15 devnull case ULFONT: oputs(t.itoff); break;
350 5cedca1b 2004-05-15 devnull case BDFONT: oputs(t.bdoff); break;
351 5cedca1b 2004-05-15 devnull case BIFONT: oputs(t.itoff); oputs(t.bdoff); break;
353 5cedca1b 2004-05-15 devnull switch (xfont) {
354 5cedca1b 2004-05-15 devnull case ULFONT:
355 5cedca1b 2004-05-15 devnull if (*t.iton & 0377) oputs(t.iton); break;
356 5cedca1b 2004-05-15 devnull case BDFONT:
357 5cedca1b 2004-05-15 devnull if (*t.bdon & 0377) oputs(t.bdon); break;
358 5cedca1b 2004-05-15 devnull case BIFONT:
359 5cedca1b 2004-05-15 devnull if (*t.bdon & 0377) oputs(t.bdon);
360 5cedca1b 2004-05-15 devnull if (*t.iton & 0377) oputs(t.iton);
363 5cedca1b 2004-05-15 devnull oxfont = xfont;
365 5cedca1b 2004-05-15 devnull if ((xfont == ulfont || xfont == BIFONT) && !(*t.iton & 0377)) {
366 5cedca1b 2004-05-15 devnull for (j = w / t.Char; j > 0; j--)
367 5cedca1b 2004-05-15 devnull oput('_');
368 5cedca1b 2004-05-15 devnull for (j = w / t.Char; j > 0; j--)
369 5cedca1b 2004-05-15 devnull oput('\b');
371 5cedca1b 2004-05-15 devnull if (!(*t.bdon & 0377) && ((j = bdtab[xfont]) || xfont == BDFONT || xfont == BIFONT))
374 5cedca1b 2004-05-15 devnull j = 1; /* number of overstrikes for bold */
375 5cedca1b 2004-05-15 devnull if (k < ALPHABET) { /* ordinary ascii */
376 5cedca1b 2004-05-15 devnull oput(k);
377 5cedca1b 2004-05-15 devnull while (--j > 0) {
378 5cedca1b 2004-05-15 devnull oput('\b');
379 5cedca1b 2004-05-15 devnull oput(k);
381 5cedca1b 2004-05-15 devnull } else if (k >= t.tfont.nchars) { /* BUG -- not really understood */
382 5cedca1b 2004-05-15 devnull /* fprintf(stderr, "big char %d, name %s\n", k, chname(k)); /* */
383 5cedca1b 2004-05-15 devnull oputs(chname(k)+1); /* BUG: should separate Troffchar and MBchar... */
384 5cedca1b 2004-05-15 devnull } else if (t.tfont.wp[k].str == 0) {
385 5cedca1b 2004-05-15 devnull /* fprintf(stderr, "nostr char %d, name %s\n", k, chname(k)); /* */
386 5cedca1b 2004-05-15 devnull oputs(chname(k)+1); /* BUG: should separate Troffchar and MBchar... */
387 5cedca1b 2004-05-15 devnull } else if (t.tfont.wp[k].str[0] == MBchar) { /* parse() puts this on */
388 5cedca1b 2004-05-15 devnull /* fprintf(stderr, "MBstr char %d, name %s\n", k, chname(k)); /* */
389 5cedca1b 2004-05-15 devnull oputs(t.tfont.wp[k].str+1);
390 5cedca1b 2004-05-15 devnull } else {
391 5cedca1b 2004-05-15 devnull int oj = j;
392 5cedca1b 2004-05-15 devnull /* fprintf(stderr, "str char %d, name %s\n", k, chname(k)); /* */
393 5cedca1b 2004-05-15 devnull codep = t.tfont.wp[k].str+1; /* Troffchar by default */
394 5cedca1b 2004-05-15 devnull while (*codep != 0) {
395 5cedca1b 2004-05-15 devnull if (*codep & 0200) {
396 5cedca1b 2004-05-15 devnull codep = plot(codep);
397 5cedca1b 2004-05-15 devnull oput(' ');
398 5cedca1b 2004-05-15 devnull } else {
399 5cedca1b 2004-05-15 devnull if (*codep == '%') /* escape */
400 5cedca1b 2004-05-15 devnull codep++;
401 5cedca1b 2004-05-15 devnull oput(*codep);
402 5cedca1b 2004-05-15 devnull if (*codep == '\033')
403 5cedca1b 2004-05-15 devnull oput(*++codep);
404 5cedca1b 2004-05-15 devnull else if (*codep != '\b')
405 5cedca1b 2004-05-15 devnull for (j = oj; --j > 0; ) {
406 5cedca1b 2004-05-15 devnull oput('\b');
407 5cedca1b 2004-05-15 devnull oput(*codep);
409 5cedca1b 2004-05-15 devnull codep++;
414 5cedca1b 2004-05-15 devnull for (j = phyw / t.Char; j > 0; j--)
415 5cedca1b 2004-05-15 devnull oput('\b');
420 5cedca1b 2004-05-15 devnull char *plot(char *x)
423 5cedca1b 2004-05-15 devnull char *j, *k;
425 5cedca1b 2004-05-15 devnull oputs(t.ploton);
427 5cedca1b 2004-05-15 devnull if ((*k & 0377) == 0200)
429 5cedca1b 2004-05-15 devnull for (; *k; k++) {
430 5cedca1b 2004-05-15 devnull if (*k == '%') { /* quote char within plot mode */
431 5cedca1b 2004-05-15 devnull oput(*++k);
432 5cedca1b 2004-05-15 devnull } else if (*k & 0200) {
433 5cedca1b 2004-05-15 devnull if (*k & 0100) {
434 5cedca1b 2004-05-15 devnull if (*k & 040)
437 5cedca1b 2004-05-15 devnull j = t.down;
438 5cedca1b 2004-05-15 devnull } else {
439 5cedca1b 2004-05-15 devnull if (*k & 040)
440 fa325e9b 2020-01-10 cross j = t.left;
442 5cedca1b 2004-05-15 devnull j = t.right;
444 5cedca1b 2004-05-15 devnull if ((i = *k & 037) == 0) { /* 2nd 0200 turns it off */
448 5cedca1b 2004-05-15 devnull while (i--)
449 5cedca1b 2004-05-15 devnull oputs(j);
451 5cedca1b 2004-05-15 devnull oput(*k);
453 5cedca1b 2004-05-15 devnull oputs(t.plotoff);
454 5cedca1b 2004-05-15 devnull return(k);
458 5cedca1b 2004-05-15 devnull void move(void)
461 5cedca1b 2004-05-15 devnull char *i, *j;
462 5cedca1b 2004-05-15 devnull char *p, *q;
463 5cedca1b 2004-05-15 devnull int iesct, dt;
465 5cedca1b 2004-05-15 devnull iesct = esct;
466 5cedca1b 2004-05-15 devnull if (esct += esc)
469 5cedca1b 2004-05-15 devnull i = "\n\0";
470 5cedca1b 2004-05-15 devnull j = t.hlf;
471 5cedca1b 2004-05-15 devnull p = t.right;
472 5cedca1b 2004-05-15 devnull q = t.down;
473 5cedca1b 2004-05-15 devnull if (lead) {
474 5cedca1b 2004-05-15 devnull if (lead < 0) {
475 5cedca1b 2004-05-15 devnull lead = -lead;
476 5cedca1b 2004-05-15 devnull i = t.flr;
477 5cedca1b 2004-05-15 devnull /* if(!esct)i = t.flr; else i = "\0";*/
478 5cedca1b 2004-05-15 devnull j = t.hlr;
479 5cedca1b 2004-05-15 devnull q = t.up;
481 5cedca1b 2004-05-15 devnull if (*i & 0377) {
482 5cedca1b 2004-05-15 devnull k = lead / t.Newline;
483 5cedca1b 2004-05-15 devnull lead = lead % t.Newline;
484 5cedca1b 2004-05-15 devnull while (k--)
485 5cedca1b 2004-05-15 devnull oputs(i);
487 5cedca1b 2004-05-15 devnull if (*j & 0377) {
488 5cedca1b 2004-05-15 devnull k = lead / t.Halfline;
489 5cedca1b 2004-05-15 devnull lead = lead % t.Halfline;
490 5cedca1b 2004-05-15 devnull while (k--)
491 5cedca1b 2004-05-15 devnull oputs(j);
492 5cedca1b 2004-05-15 devnull } else { /* no half-line forward, not at line begining */
493 5cedca1b 2004-05-15 devnull k = lead / t.Newline;
494 5cedca1b 2004-05-15 devnull lead = lead % t.Newline;
495 fa325e9b 2020-01-10 cross if (k > 0)
496 5cedca1b 2004-05-15 devnull esc = esct;
497 5cedca1b 2004-05-15 devnull i = "\n";
498 fa325e9b 2020-01-10 cross while (k--)
499 5cedca1b 2004-05-15 devnull oputs(i);
502 5cedca1b 2004-05-15 devnull if (esc) {
503 5cedca1b 2004-05-15 devnull if (esc < 0) {
504 5cedca1b 2004-05-15 devnull esc = -esc;
505 5cedca1b 2004-05-15 devnull j = "\b";
506 5cedca1b 2004-05-15 devnull p = t.left;
507 5cedca1b 2004-05-15 devnull } else {
508 5cedca1b 2004-05-15 devnull j = " ";
509 5cedca1b 2004-05-15 devnull if (hflg)
510 5cedca1b 2004-05-15 devnull while ((dt = dtab - (iesct % dtab)) <= esc) {
511 5cedca1b 2004-05-15 devnull if (dt % t.Em)
513 5cedca1b 2004-05-15 devnull oput(TAB);
514 5cedca1b 2004-05-15 devnull esc -= dt;
515 5cedca1b 2004-05-15 devnull iesct += dt;
518 5cedca1b 2004-05-15 devnull k = esc / t.Em;
519 5cedca1b 2004-05-15 devnull esc = esc % t.Em;
520 5cedca1b 2004-05-15 devnull while (k--)
521 5cedca1b 2004-05-15 devnull oputs(j);
523 5cedca1b 2004-05-15 devnull if ((*t.ploton & 0377) && (esc || lead)) {
524 5cedca1b 2004-05-15 devnull oputs(t.ploton);
525 5cedca1b 2004-05-15 devnull esc /= t.Hor;
526 5cedca1b 2004-05-15 devnull lead /= t.Vert;
527 5cedca1b 2004-05-15 devnull while (esc--)
528 5cedca1b 2004-05-15 devnull oputs(p);
529 5cedca1b 2004-05-15 devnull while (lead--)
530 5cedca1b 2004-05-15 devnull oputs(q);
531 5cedca1b 2004-05-15 devnull oputs(t.plotoff);
533 5cedca1b 2004-05-15 devnull esc = lead = 0;
537 5cedca1b 2004-05-15 devnull void n_ptlead(void)
543 5cedca1b 2004-05-15 devnull void n_ptpause(void )
545 5cedca1b 2004-05-15 devnull char junk;
547 5cedca1b 2004-05-15 devnull flusho();
548 5cedca1b 2004-05-15 devnull read(2, &junk, 1);
