Annotation of mandoc/html.c, Revision 1.195
1.195 ! schwarze 1: /* $Id: html.c,v 1.194 2017/01/17 01:47:51 schwarze Exp $ */
1.1 kristaps 2: /*
1.176 schwarze 3: * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.194 schwarze 4: * Copyright (c) 2011-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.29 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.186 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.29 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.186 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.29 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.92 kristaps 18: #include "config.h"
19:
1.41 kristaps 20: #include <sys/types.h>
1.30 kristaps 21:
1.1 kristaps 22: #include <assert.h>
1.68 kristaps 23: #include <ctype.h>
1.76 kristaps 24: #include <stdarg.h>
1.29 kristaps 25: #include <stdio.h>
1.63 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdlib.h>
1.33 kristaps 28: #include <string.h>
1.45 kristaps 29: #include <unistd.h>
1.1 kristaps 30:
1.100 kristaps 31: #include "mandoc.h"
1.155 schwarze 32: #include "mandoc_aux.h"
1.58 kristaps 33: #include "out.h"
1.51 kristaps 34: #include "html.h"
1.186 schwarze 35: #include "manconf.h"
1.64 kristaps 36: #include "main.h"
1.63 kristaps 37:
1.29 kristaps 38: struct htmldata {
1.63 kristaps 39: const char *name;
1.29 kristaps 40: int flags;
1.30 kristaps 41: #define HTML_CLRLINE (1 << 0)
42: #define HTML_NOSTACK (1 << 1)
1.93 kristaps 43: #define HTML_AUTOCLOSE (1 << 2) /* Tag has auto-closure. */
1.29 kristaps 44: };
1.7 kristaps 45:
1.29 kristaps 46: static const struct htmldata htmltags[TAG_MAX] = {
1.30 kristaps 47: {"html", HTML_CLRLINE}, /* TAG_HTML */
48: {"head", HTML_CLRLINE}, /* TAG_HEAD */
49: {"body", HTML_CLRLINE}, /* TAG_BODY */
1.93 kristaps 50: {"meta", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_META */
1.33 kristaps 51: {"title", HTML_CLRLINE}, /* TAG_TITLE */
1.30 kristaps 52: {"div", HTML_CLRLINE}, /* TAG_DIV */
1.29 kristaps 53: {"h1", 0}, /* TAG_H1 */
54: {"h2", 0}, /* TAG_H2 */
55: {"span", 0}, /* TAG_SPAN */
1.99 kristaps 56: {"link", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_LINK */
1.93 kristaps 57: {"br", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_BR */
1.30 kristaps 58: {"a", 0}, /* TAG_A */
1.33 kristaps 59: {"table", HTML_CLRLINE}, /* TAG_TABLE */
1.114 kristaps 60: {"tbody", HTML_CLRLINE}, /* TAG_TBODY */
1.93 kristaps 61: {"col", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_COL */
1.33 kristaps 62: {"tr", HTML_CLRLINE}, /* TAG_TR */
63: {"td", HTML_CLRLINE}, /* TAG_TD */
1.34 kristaps 64: {"li", HTML_CLRLINE}, /* TAG_LI */
65: {"ul", HTML_CLRLINE}, /* TAG_UL */
66: {"ol", HTML_CLRLINE}, /* TAG_OL */
1.114 kristaps 67: {"dl", HTML_CLRLINE}, /* TAG_DL */
68: {"dt", HTML_CLRLINE}, /* TAG_DT */
69: {"dd", HTML_CLRLINE}, /* TAG_DD */
1.115 kristaps 70: {"blockquote", HTML_CLRLINE}, /* TAG_BLOCKQUOTE */
1.118 kristaps 71: {"pre", HTML_CLRLINE }, /* TAG_PRE */
1.119 kristaps 72: {"b", 0 }, /* TAG_B */
1.120 kristaps 73: {"i", 0 }, /* TAG_I */
1.121 kristaps 74: {"code", 0 }, /* TAG_CODE */
1.122 kristaps 75: {"small", 0 }, /* TAG_SMALL */
1.165 kristaps 76: {"style", HTML_CLRLINE}, /* TAG_STYLE */
1.173 kristaps 77: {"math", HTML_CLRLINE}, /* TAG_MATH */
78: {"mrow", 0}, /* TAG_MROW */
79: {"mi", 0}, /* TAG_MI */
80: {"mo", 0}, /* TAG_MO */
81: {"msup", 0}, /* TAG_MSUP */
82: {"msub", 0}, /* TAG_MSUB */
83: {"msubsup", 0}, /* TAG_MSUBSUP */
84: {"mfrac", 0}, /* TAG_MFRAC */
85: {"msqrt", 0}, /* TAG_MSQRT */
86: {"mfenced", 0}, /* TAG_MFENCED */
87: {"mtable", 0}, /* TAG_MTABLE */
88: {"mtr", 0}, /* TAG_MTR */
89: {"mtd", 0}, /* TAG_MTD */
1.174 kristaps 90: {"munderover", 0}, /* TAG_MUNDEROVER */
91: {"munder", 0}, /* TAG_MUNDER*/
92: {"mover", 0}, /* TAG_MOVER*/
1.90 kristaps 93: };
94:
1.140 kristaps 95: static const char *const roffscales[SCALE_MAX] = {
96: "cm", /* SCALE_CM */
97: "in", /* SCALE_IN */
98: "pc", /* SCALE_PC */
99: "pt", /* SCALE_PT */
100: "em", /* SCALE_EM */
101: "em", /* SCALE_MM */
102: "ex", /* SCALE_EN */
103: "ex", /* SCALE_BU */
104: "em", /* SCALE_VS */
105: "ex", /* SCALE_FS */
106: };
107:
1.194 schwarze 108: static void a2width(const char *, struct roffsu *);
1.184 schwarze 109: static void print_ctag(struct html *, struct tag *);
1.159 schwarze 110: static int print_escape(char);
1.195 ! schwarze 111: static int print_encode(struct html *, const char *, const char *, int);
! 112: static void print_href(struct html *, const char *, const char *, int);
1.141 kristaps 113: static void print_metaf(struct html *, enum mandoc_esc);
1.82 kristaps 114:
1.156 schwarze 115:
1.180 schwarze 116: void *
1.191 schwarze 117: html_alloc(const struct manoutput *outopts)
1.10 kristaps 118: {
1.30 kristaps 119: struct html *h;
120:
1.128 kristaps 121: h = mandoc_calloc(1, sizeof(struct html));
1.10 kristaps 122:
1.66 kristaps 123: h->tags.head = NULL;
1.186 schwarze 124: h->style = outopts->style;
125: h->base_man = outopts->man;
126: h->base_includes = outopts->includes;
127: if (outopts->fragment)
128: h->oflags |= HTML_FRAGMENT;
1.43 kristaps 129:
1.188 schwarze 130: return h;
1.29 kristaps 131: }
1.10 kristaps 132:
1.29 kristaps 133: void
134: html_free(void *p)
135: {
1.30 kristaps 136: struct tag *tag;
137: struct html *h;
138:
139: h = (struct html *)p;
1.37 kristaps 140:
1.66 kristaps 141: while ((tag = h->tags.head) != NULL) {
1.156 schwarze 142: h->tags.head = tag->next;
1.30 kristaps 143: free(tag);
144: }
1.53 kristaps 145:
1.30 kristaps 146: free(h);
1.10 kristaps 147: }
1.2 kristaps 148:
1.51 kristaps 149: void
1.29 kristaps 150: print_gen_head(struct html *h)
151: {
1.165 kristaps 152: struct tag *t;
1.41 kristaps 153:
1.194 schwarze 154: print_otag(h, TAG_META, "?", "charset", "utf-8");
1.165 kristaps 155:
1.168 kristaps 156: /*
157: * Print a default style-sheet.
158: */
1.194 schwarze 159: t = print_otag(h, TAG_STYLE, "");
1.168 kristaps 160: print_text(h, "table.head, table.foot { width: 100%; }\n"
1.169 kristaps 161: "td.head-rtitle, td.foot-os { text-align: right; }\n"
1.170 kristaps 162: "td.head-vol { text-align: center; }\n"
163: "table.foot td { width: 50%; }\n"
1.171 kristaps 164: "table.head td { width: 33%; }\n"
165: "div.spacer { margin: 1em 0; }\n");
1.165 kristaps 166: print_tagq(h, t);
1.41 kristaps 167:
1.194 schwarze 168: if (h->style)
169: print_otag(h, TAG_LINK, "?h??", "rel", "stylesheet",
170: h->style, "type", "text/css", "media", "all");
1.4 kristaps 171: }
172:
1.126 schwarze 173: static void
1.132 kristaps 174: print_metaf(struct html *h, enum mandoc_esc deco)
1.88 kristaps 175: {
1.90 kristaps 176: enum htmlfont font;
1.88 kristaps 177:
178: switch (deco) {
1.156 schwarze 179: case ESCAPE_FONTPREV:
1.90 kristaps 180: font = h->metal;
1.88 kristaps 181: break;
1.156 schwarze 182: case ESCAPE_FONTITALIC:
1.90 kristaps 183: font = HTMLFONT_ITALIC;
184: break;
1.156 schwarze 185: case ESCAPE_FONTBOLD:
1.90 kristaps 186: font = HTMLFONT_BOLD;
1.88 kristaps 187: break;
1.156 schwarze 188: case ESCAPE_FONTBI:
1.152 schwarze 189: font = HTMLFONT_BI;
190: break;
1.156 schwarze 191: case ESCAPE_FONT:
192: case ESCAPE_FONTROMAN:
1.90 kristaps 193: font = HTMLFONT_NONE;
1.88 kristaps 194: break;
195: default:
196: abort();
197: }
198:
1.122 kristaps 199: if (h->metaf) {
200: print_tagq(h, h->metaf);
201: h->metaf = NULL;
202: }
203:
204: h->metal = h->metac;
205: h->metac = font;
206:
1.152 schwarze 207: switch (font) {
1.156 schwarze 208: case HTMLFONT_ITALIC:
1.194 schwarze 209: h->metaf = print_otag(h, TAG_I, "");
1.152 schwarze 210: break;
1.156 schwarze 211: case HTMLFONT_BOLD:
1.194 schwarze 212: h->metaf = print_otag(h, TAG_B, "");
1.152 schwarze 213: break;
1.156 schwarze 214: case HTMLFONT_BI:
1.194 schwarze 215: h->metaf = print_otag(h, TAG_B, "");
216: print_otag(h, TAG_I, "");
1.152 schwarze 217: break;
218: default:
219: break;
220: }
1.88 kristaps 221: }
222:
1.138 kristaps 223: int
224: html_strlen(const char *cp)
225: {
1.151 schwarze 226: size_t rsz;
227: int skip, sz;
1.138 kristaps 228:
229: /*
230: * Account for escaped sequences within string length
231: * calculations. This follows the logic in term_strlen() as we
232: * must calculate the width of produced strings.
233: * Assume that characters are always width of "1". This is
234: * hacky, but it gets the job done for approximation of widths.
235: */
236:
237: sz = 0;
1.151 schwarze 238: skip = 0;
239: while (1) {
240: rsz = strcspn(cp, "\\");
241: if (rsz) {
242: cp += rsz;
243: if (skip) {
244: skip = 0;
245: rsz--;
246: }
247: sz += rsz;
248: }
249: if ('\0' == *cp)
250: break;
251: cp++;
252: switch (mandoc_escape(&cp, NULL, NULL)) {
1.156 schwarze 253: case ESCAPE_ERROR:
1.188 schwarze 254: return sz;
1.156 schwarze 255: case ESCAPE_UNICODE:
256: case ESCAPE_NUMBERED:
257: case ESCAPE_SPECIAL:
1.185 schwarze 258: case ESCAPE_OVERSTRIKE:
1.151 schwarze 259: if (skip)
260: skip = 0;
261: else
262: sz++;
263: break;
1.156 schwarze 264: case ESCAPE_SKIPCHAR:
1.151 schwarze 265: skip = 1;
1.138 kristaps 266: break;
267: default:
268: break;
269: }
270: }
1.188 schwarze 271: return sz;
1.138 kristaps 272: }
1.88 kristaps 273:
1.85 kristaps 274: static int
1.159 schwarze 275: print_escape(char c)
276: {
277:
278: switch (c) {
279: case '<':
280: printf("<");
281: break;
282: case '>':
283: printf(">");
284: break;
285: case '&':
286: printf("&");
287: break;
288: case '"':
289: printf(""");
290: break;
291: case ASCII_NBRSP:
1.190 schwarze 292: printf(" ");
1.159 schwarze 293: break;
294: case ASCII_HYPH:
295: putchar('-');
1.189 schwarze 296: break;
1.159 schwarze 297: case ASCII_BREAK:
298: break;
299: default:
1.188 schwarze 300: return 0;
1.159 schwarze 301: }
1.188 schwarze 302: return 1;
1.159 schwarze 303: }
304:
305: static int
1.195 ! schwarze 306: print_encode(struct html *h, const char *p, const char *pend, int norecurse)
1.29 kristaps 307: {
1.77 kristaps 308: size_t sz;
1.141 kristaps 309: int c, len, nospace;
1.82 kristaps 310: const char *seq;
1.132 kristaps 311: enum mandoc_esc esc;
1.158 schwarze 312: static const char rejs[9] = { '\\', '<', '>', '&', '"',
1.154 schwarze 313: ASCII_NBRSP, ASCII_HYPH, ASCII_BREAK, '\0' };
1.14 kristaps 314:
1.195 ! schwarze 315: if (pend == NULL)
! 316: pend = strchr(p, '\0');
! 317:
1.85 kristaps 318: nospace = 0;
319:
1.195 ! schwarze 320: while (p < pend) {
1.151 schwarze 321: if (HTML_SKIPCHAR & h->flags && '\\' != *p) {
322: h->flags &= ~HTML_SKIPCHAR;
323: p++;
324: continue;
325: }
326:
1.100 kristaps 327: sz = strcspn(p, rejs);
1.195 ! schwarze 328: if (p + sz > pend)
! 329: sz = pend - p;
1.77 kristaps 330:
331: fwrite(p, 1, sz, stdout);
1.132 kristaps 332: p += (int)sz;
1.77 kristaps 333:
1.195 ! schwarze 334: if (p >= pend)
1.132 kristaps 335: break;
336:
1.159 schwarze 337: if (print_escape(*p++))
1.154 schwarze 338: continue;
1.77 kristaps 339:
1.132 kristaps 340: esc = mandoc_escape(&p, &seq, &len);
341: if (ESCAPE_ERROR == esc)
342: break;
1.82 kristaps 343:
1.132 kristaps 344: switch (esc) {
1.156 schwarze 345: case ESCAPE_FONT:
346: case ESCAPE_FONTPREV:
347: case ESCAPE_FONTBOLD:
348: case ESCAPE_FONTITALIC:
349: case ESCAPE_FONTBI:
350: case ESCAPE_FONTROMAN:
1.151 schwarze 351: if (0 == norecurse)
352: print_metaf(h, esc);
353: continue;
1.156 schwarze 354: case ESCAPE_SKIPCHAR:
1.151 schwarze 355: h->flags |= HTML_SKIPCHAR;
356: continue;
357: default:
358: break;
359: }
360:
361: if (h->flags & HTML_SKIPCHAR) {
362: h->flags &= ~HTML_SKIPCHAR;
363: continue;
364: }
365:
366: switch (esc) {
1.156 schwarze 367: case ESCAPE_UNICODE:
1.159 schwarze 368: /* Skip past "u" header. */
1.144 kristaps 369: c = mchars_num2uc(seq + 1, len - 1);
370: break;
1.156 schwarze 371: case ESCAPE_NUMBERED:
1.141 kristaps 372: c = mchars_num2char(seq, len);
1.181 schwarze 373: if (c < 0)
374: continue;
1.82 kristaps 375: break;
1.156 schwarze 376: case ESCAPE_SPECIAL:
1.191 schwarze 377: c = mchars_spec2cp(seq, len);
1.181 schwarze 378: if (c <= 0)
379: continue;
1.132 kristaps 380: break;
1.156 schwarze 381: case ESCAPE_NOSPACE:
1.132 kristaps 382: if ('\0' == *p)
383: nospace = 1;
1.179 schwarze 384: continue;
1.185 schwarze 385: case ESCAPE_OVERSTRIKE:
386: if (len == 0)
387: continue;
388: c = seq[len - 1];
389: break;
1.82 kristaps 390: default:
1.179 schwarze 391: continue;
1.82 kristaps 392: }
1.181 schwarze 393: if ((c < 0x20 && c != 0x09) ||
394: (c > 0x7E && c < 0xA0))
1.179 schwarze 395: c = 0xFFFD;
396: if (c > 0x7E)
397: printf("&#%d;", c);
398: else if ( ! print_escape(c))
399: putchar(c);
1.32 kristaps 400: }
1.85 kristaps 401:
1.188 schwarze 402: return nospace;
1.14 kristaps 403: }
404:
1.94 kristaps 405: static void
1.195 ! schwarze 406: print_href(struct html *h, const char *name, const char *sec, int man)
1.94 kristaps 407: {
1.195 ! schwarze 408: const char *p, *pp;
! 409:
! 410: pp = man ? h->base_man : h->base_includes;
! 411: while ((p = strchr(pp, '%')) != NULL) {
! 412: print_encode(h, pp, p, 1);
! 413: if (man && p[1] == 'S') {
! 414: if (sec == NULL)
! 415: putchar('1');
! 416: else
! 417: print_encode(h, sec, NULL, 1);
! 418: } else if ((man && p[1] == 'N') ||
! 419: (man == 0 && p[1] == 'I'))
! 420: print_encode(h, name, NULL, 1);
! 421: else
! 422: print_encode(h, p, p + 2, 1);
! 423: pp = p + 2;
! 424: }
! 425: if (*pp != '\0')
! 426: print_encode(h, pp, NULL, 1);
1.94 kristaps 427: }
428:
1.51 kristaps 429: struct tag *
1.194 schwarze 430: print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
1.14 kristaps 431: {
1.194 schwarze 432: va_list ap;
433: struct roffsu mysu, *su;
1.30 kristaps 434: struct tag *t;
1.195 ! schwarze 435: const char *attr;
1.194 schwarze 436: char *s;
1.195 ! schwarze 437: double v;
1.194 schwarze 438: int i, have_style;
1.30 kristaps 439:
1.94 kristaps 440: /* Push this tags onto the stack of open scopes. */
441:
1.30 kristaps 442: if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
1.128 kristaps 443: t = mandoc_malloc(sizeof(struct tag));
1.30 kristaps 444: t->tag = tag;
1.66 kristaps 445: t->next = h->tags.head;
446: h->tags.head = t;
1.30 kristaps 447: } else
448: t = NULL;
1.29 kristaps 449:
450: if ( ! (HTML_NOSPACE & h->flags))
1.105 kristaps 451: if ( ! (HTML_CLRLINE & htmltags[tag].flags)) {
452: /* Manage keeps! */
453: if ( ! (HTML_KEEP & h->flags)) {
454: if (HTML_PREKEEP & h->flags)
455: h->flags |= HTML_KEEP;
456: putchar(' ');
457: } else
458: printf(" ");
459: }
1.29 kristaps 460:
1.109 kristaps 461: if ( ! (h->flags & HTML_NONOSPACE))
462: h->flags &= ~HTML_NOSPACE;
1.110 kristaps 463: else
464: h->flags |= HTML_NOSPACE;
1.109 kristaps 465:
1.94 kristaps 466: /* Print out the tag name and attributes. */
467:
1.29 kristaps 468: printf("<%s", htmltags[tag].name);
1.194 schwarze 469:
470: va_start(ap, fmt);
471:
472: have_style = 0;
473: while (*fmt != '\0') {
474: if (*fmt == 's') {
475: printf(" style=\"");
476: have_style = 1;
477: fmt++;
478: break;
479: }
480: s = va_arg(ap, char *);
481: switch (*fmt++) {
482: case 'c':
1.195 ! schwarze 483: attr = "class";
1.194 schwarze 484: break;
485: case 'h':
1.195 ! schwarze 486: attr = "href";
1.194 schwarze 487: break;
488: case 'i':
1.195 ! schwarze 489: attr = "id";
1.194 schwarze 490: break;
491: case '?':
1.195 ! schwarze 492: attr = s;
! 493: s = va_arg(ap, char *);
1.194 schwarze 494: break;
495: default:
496: abort();
497: }
1.195 ! schwarze 498: printf(" %s=\"", attr);
! 499: switch (*fmt) {
! 500: case 'M':
! 501: print_href(h, s, va_arg(ap, char *), 1);
! 502: fmt++;
! 503: break;
! 504: case 'I':
! 505: print_href(h, s, NULL, 0);
! 506: fmt++;
! 507: break;
! 508: case 'R':
! 509: putchar('#');
! 510: fmt++;
! 511: /* FALLTHROUGH */
! 512: default:
! 513: print_encode(h, s, NULL, 1);
! 514: break;
! 515: }
! 516: putchar('"');
1.194 schwarze 517: }
518:
519: /* Print out styles. */
520:
521: s = NULL;
522: su = &mysu;
523: while (*fmt != '\0') {
524:
525: /* First letter: input argument type. */
526:
527: switch (*fmt++) {
528: case 'h':
529: i = va_arg(ap, int);
530: SCALE_HS_INIT(su, i);
531: break;
532: case 's':
533: s = va_arg(ap, char *);
534: break;
535: case 'u':
536: su = va_arg(ap, struct roffsu *);
537: break;
538: case 'v':
539: i = va_arg(ap, int);
540: SCALE_VS_INIT(su, i);
541: break;
542: case 'w':
543: s = va_arg(ap, char *);
544: a2width(s, su);
545: break;
546: default:
547: abort();
548: }
549:
550: /* Second letter: style name. */
551:
552: switch (*fmt++) {
553: case 'b':
1.195 ! schwarze 554: attr = "margin-bottom";
1.194 schwarze 555: break;
556: case 'h':
1.195 ! schwarze 557: attr = "height";
1.194 schwarze 558: break;
559: case 'i':
1.195 ! schwarze 560: attr = "text-indent";
1.194 schwarze 561: break;
562: case 'l':
1.195 ! schwarze 563: attr = "margin-left";
1.194 schwarze 564: break;
565: case 't':
1.195 ! schwarze 566: attr = "margin-top";
1.194 schwarze 567: break;
568: case 'w':
1.195 ! schwarze 569: attr = "width";
1.194 schwarze 570: break;
571: case 'W':
1.195 ! schwarze 572: attr = "min-width";
1.194 schwarze 573: break;
574: case '?':
1.195 ! schwarze 575: printf("%s: %s;", s, va_arg(ap, char *));
! 576: continue;
1.194 schwarze 577: default:
578: abort();
579: }
1.195 ! schwarze 580: v = su->scale;
! 581: if (su->unit == SCALE_MM && (v /= 100.0) == 0.0)
! 582: v = 1.0;
! 583: else if (su->unit == SCALE_BU)
! 584: v /= 24.0;
! 585: printf("%s: %.2f%s;", attr, v, roffscales[su->unit]);
1.194 schwarze 586: }
587: if (have_style)
588: putchar('"');
589:
590: va_end(ap);
1.94 kristaps 591:
1.172 kristaps 592: /* Accommodate for "well-formed" singleton escaping. */
1.94 kristaps 593:
1.93 kristaps 594: if (HTML_AUTOCLOSE & htmltags[tag].flags)
1.172 kristaps 595: putchar('/');
1.93 kristaps 596:
1.78 kristaps 597: putchar('>');
1.14 kristaps 598:
1.29 kristaps 599: h->flags |= HTML_NOSPACE;
1.117 kristaps 600:
601: if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags)
602: putchar('\n');
603:
1.188 schwarze 604: return t;
1.14 kristaps 605: }
606:
1.29 kristaps 607: static void
1.184 schwarze 608: print_ctag(struct html *h, struct tag *tag)
1.14 kristaps 609: {
1.156 schwarze 610:
1.184 schwarze 611: /*
612: * Remember to close out and nullify the current
613: * meta-font and table, if applicable.
614: */
615: if (tag == h->metaf)
616: h->metaf = NULL;
617: if (tag == h->tblt)
618: h->tblt = NULL;
619:
620: printf("</%s>", htmltags[tag->tag].name);
621: if (HTML_CLRLINE & htmltags[tag->tag].flags) {
1.29 kristaps 622: h->flags |= HTML_NOSPACE;
1.78 kristaps 623: putchar('\n');
1.156 schwarze 624: }
1.184 schwarze 625:
626: h->tags.head = tag->next;
627: free(tag);
1.14 kristaps 628: }
629:
1.51 kristaps 630: void
1.93 kristaps 631: print_gen_decls(struct html *h)
1.1 kristaps 632: {
1.93 kristaps 633:
1.164 kristaps 634: puts("<!DOCTYPE html>");
1.1 kristaps 635: }
636:
1.51 kristaps 637: void
1.104 kristaps 638: print_text(struct html *h, const char *word)
1.1 kristaps 639: {
640:
1.105 kristaps 641: if ( ! (HTML_NOSPACE & h->flags)) {
642: /* Manage keeps! */
643: if ( ! (HTML_KEEP & h->flags)) {
644: if (HTML_PREKEEP & h->flags)
645: h->flags |= HTML_KEEP;
646: putchar(' ');
647: } else
648: printf(" ");
649: }
1.30 kristaps 650:
1.122 kristaps 651: assert(NULL == h->metaf);
1.152 schwarze 652: switch (h->metac) {
1.156 schwarze 653: case HTMLFONT_ITALIC:
1.194 schwarze 654: h->metaf = print_otag(h, TAG_I, "");
1.152 schwarze 655: break;
1.156 schwarze 656: case HTMLFONT_BOLD:
1.194 schwarze 657: h->metaf = print_otag(h, TAG_B, "");
1.152 schwarze 658: break;
1.156 schwarze 659: case HTMLFONT_BI:
1.194 schwarze 660: h->metaf = print_otag(h, TAG_B, "");
661: print_otag(h, TAG_I, "");
1.152 schwarze 662: break;
663: default:
664: break;
665: }
1.122 kristaps 666:
1.104 kristaps 667: assert(word);
1.195 ! schwarze 668: if ( ! print_encode(h, word, NULL, 0)) {
1.109 kristaps 669: if ( ! (h->flags & HTML_NONOSPACE))
670: h->flags &= ~HTML_NOSPACE;
1.183 schwarze 671: h->flags &= ~HTML_NONEWLINE;
1.149 kristaps 672: } else
1.183 schwarze 673: h->flags |= HTML_NOSPACE | HTML_NONEWLINE;
1.122 kristaps 674:
675: if (h->metaf) {
676: print_tagq(h, h->metaf);
677: h->metaf = NULL;
678: }
1.113 schwarze 679:
680: h->flags &= ~HTML_IGNDELIM;
1.1 kristaps 681: }
1.30 kristaps 682:
1.51 kristaps 683: void
1.30 kristaps 684: print_tagq(struct html *h, const struct tag *until)
685: {
686: struct tag *tag;
687:
1.66 kristaps 688: while ((tag = h->tags.head) != NULL) {
1.184 schwarze 689: print_ctag(h, tag);
1.30 kristaps 690: if (until && tag == until)
691: return;
692: }
693: }
694:
1.51 kristaps 695: void
1.30 kristaps 696: print_stagq(struct html *h, const struct tag *suntil)
697: {
698: struct tag *tag;
699:
1.66 kristaps 700: while ((tag = h->tags.head) != NULL) {
1.30 kristaps 701: if (suntil && tag == suntil)
702: return;
1.184 schwarze 703: print_ctag(h, tag);
1.30 kristaps 704: }
705: }
1.171 kristaps 706:
707: void
708: print_paragraph(struct html *h)
709: {
710: struct tag *t;
711:
1.194 schwarze 712: t = print_otag(h, TAG_DIV, "c", "spacer");
1.171 kristaps 713: print_tagq(h, t);
714: }
715:
1.194 schwarze 716:
717: /*
718: * Calculate the scaling unit passed in a `-width' argument. This uses
719: * either a native scaling unit (e.g., 1i, 2m) or the string length of
720: * the value.
721: */
722: static void
723: a2width(const char *p, struct roffsu *su)
724: {
725: if (a2roffsu(p, su, SCALE_MAX) < 2) {
726: su->unit = SCALE_EN;
727: su->scale = html_strlen(p);
728: } else if (su->scale < 0.0)
729: su->scale = 0.0;
1.68 kristaps 730: }
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to html.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc