Annotation of mandoc/html.c, Revision 1.140
1.140 ! kristaps 1: /* $Id: html.c,v 1.139 2011/05/15 15:47:46 kristaps Exp $ */
1.1 kristaps 2: /*
1.126 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4: * Copyright (c) 2011 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: *
1.29 kristaps 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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: #ifdef HAVE_CONFIG_H
19: #include "config.h"
20: #endif
21:
1.41 kristaps 22: #include <sys/types.h>
1.30 kristaps 23:
1.1 kristaps 24: #include <assert.h>
1.68 kristaps 25: #include <ctype.h>
1.76 kristaps 26: #include <stdarg.h>
1.29 kristaps 27: #include <stdio.h>
1.63 kristaps 28: #include <stdint.h>
1.1 kristaps 29: #include <stdlib.h>
1.33 kristaps 30: #include <string.h>
1.45 kristaps 31: #include <unistd.h>
1.1 kristaps 32:
1.100 kristaps 33: #include "mandoc.h"
1.138 kristaps 34: #include "libmandoc.h"
1.58 kristaps 35: #include "out.h"
1.51 kristaps 36: #include "html.h"
1.64 kristaps 37: #include "main.h"
1.63 kristaps 38:
1.29 kristaps 39: struct htmldata {
1.63 kristaps 40: const char *name;
1.29 kristaps 41: int flags;
1.30 kristaps 42: #define HTML_CLRLINE (1 << 0)
43: #define HTML_NOSTACK (1 << 1)
1.93 kristaps 44: #define HTML_AUTOCLOSE (1 << 2) /* Tag has auto-closure. */
1.29 kristaps 45: };
1.7 kristaps 46:
1.29 kristaps 47: static const struct htmldata htmltags[TAG_MAX] = {
1.30 kristaps 48: {"html", HTML_CLRLINE}, /* TAG_HTML */
49: {"head", HTML_CLRLINE}, /* TAG_HEAD */
50: {"body", HTML_CLRLINE}, /* TAG_BODY */
1.93 kristaps 51: {"meta", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_META */
1.33 kristaps 52: {"title", HTML_CLRLINE}, /* TAG_TITLE */
1.30 kristaps 53: {"div", HTML_CLRLINE}, /* TAG_DIV */
1.29 kristaps 54: {"h1", 0}, /* TAG_H1 */
55: {"h2", 0}, /* TAG_H2 */
56: {"span", 0}, /* TAG_SPAN */
1.99 kristaps 57: {"link", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_LINK */
1.93 kristaps 58: {"br", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_BR */
1.30 kristaps 59: {"a", 0}, /* TAG_A */
1.33 kristaps 60: {"table", HTML_CLRLINE}, /* TAG_TABLE */
1.114 kristaps 61: {"tbody", HTML_CLRLINE}, /* TAG_TBODY */
1.93 kristaps 62: {"col", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_COL */
1.33 kristaps 63: {"tr", HTML_CLRLINE}, /* TAG_TR */
64: {"td", HTML_CLRLINE}, /* TAG_TD */
1.34 kristaps 65: {"li", HTML_CLRLINE}, /* TAG_LI */
66: {"ul", HTML_CLRLINE}, /* TAG_UL */
67: {"ol", HTML_CLRLINE}, /* TAG_OL */
1.114 kristaps 68: {"dl", HTML_CLRLINE}, /* TAG_DL */
69: {"dt", HTML_CLRLINE}, /* TAG_DT */
70: {"dd", HTML_CLRLINE}, /* TAG_DD */
1.115 kristaps 71: {"blockquote", HTML_CLRLINE}, /* TAG_BLOCKQUOTE */
1.116 kristaps 72: {"p", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_P */
1.118 kristaps 73: {"pre", HTML_CLRLINE }, /* TAG_PRE */
1.119 kristaps 74: {"b", 0 }, /* TAG_B */
1.120 kristaps 75: {"i", 0 }, /* TAG_I */
1.121 kristaps 76: {"code", 0 }, /* TAG_CODE */
1.122 kristaps 77: {"small", 0 }, /* TAG_SMALL */
1.90 kristaps 78: };
79:
1.82 kristaps 80: static const char *const htmlattrs[ATTR_MAX] = {
1.119 kristaps 81: "http-equiv", /* ATTR_HTTPEQUIV */
82: "content", /* ATTR_CONTENT */
83: "name", /* ATTR_NAME */
84: "rel", /* ATTR_REL */
85: "href", /* ATTR_HREF */
86: "type", /* ATTR_TYPE */
87: "media", /* ATTR_MEDIA */
88: "class", /* ATTR_CLASS */
89: "style", /* ATTR_STYLE */
90: "width", /* ATTR_WIDTH */
91: "id", /* ATTR_ID */
92: "summary", /* ATTR_SUMMARY */
93: "align", /* ATTR_ALIGN */
1.125 kristaps 94: "colspan", /* ATTR_COLSPAN */
1.29 kristaps 95: };
1.10 kristaps 96:
1.140 ! kristaps 97: static const char *const roffscales[SCALE_MAX] = {
! 98: "cm", /* SCALE_CM */
! 99: "in", /* SCALE_IN */
! 100: "pc", /* SCALE_PC */
! 101: "pt", /* SCALE_PT */
! 102: "em", /* SCALE_EM */
! 103: "em", /* SCALE_MM */
! 104: "ex", /* SCALE_EN */
! 105: "ex", /* SCALE_BU */
! 106: "em", /* SCALE_VS */
! 107: "ex", /* SCALE_FS */
! 108: };
! 109:
1.126 schwarze 110: static void print_num(struct html *, const char *, size_t);
1.132 kristaps 111: static void print_spec(struct html *, const char *, size_t);
1.83 kristaps 112: static void print_res(struct html *, const char *, size_t);
1.82 kristaps 113: static void print_ctag(struct html *, enum htmltag);
1.93 kristaps 114: static void print_doctype(struct html *);
115: static void print_xmltype(struct html *);
1.88 kristaps 116: static int print_encode(struct html *, const char *, int);
1.132 kristaps 117: static void print_metaf(struct html *, enum mandoc_esc);
1.94 kristaps 118: static void print_attr(struct html *,
119: const char *, const char *);
1.93 kristaps 120: static void *ml_alloc(char *, enum htmltype);
1.82 kristaps 121:
122:
1.93 kristaps 123: static void *
124: ml_alloc(char *outopts, enum htmltype type)
1.10 kristaps 125: {
1.30 kristaps 126: struct html *h;
1.63 kristaps 127: const char *toks[4];
128: char *v;
1.43 kristaps 129:
130: toks[0] = "style";
1.53 kristaps 131: toks[1] = "man";
1.54 kristaps 132: toks[2] = "includes";
133: toks[3] = NULL;
1.30 kristaps 134:
1.128 kristaps 135: h = mandoc_calloc(1, sizeof(struct html));
1.10 kristaps 136:
1.93 kristaps 137: h->type = type;
1.66 kristaps 138: h->tags.head = NULL;
1.136 kristaps 139: h->symtab = mchars_alloc();
1.41 kristaps 140:
1.47 kristaps 141: while (outopts && *outopts)
1.63 kristaps 142: switch (getsubopt(&outopts, UNCONST(toks), &v)) {
1.43 kristaps 143: case (0):
144: h->style = v;
145: break;
146: case (1):
1.53 kristaps 147: h->base_man = v;
1.43 kristaps 148: break;
1.54 kristaps 149: case (2):
150: h->base_includes = v;
151: break;
1.43 kristaps 152: default:
153: break;
154: }
155:
1.30 kristaps 156: return(h);
1.29 kristaps 157: }
1.10 kristaps 158:
1.93 kristaps 159: void *
160: html_alloc(char *outopts)
161: {
162:
163: return(ml_alloc(outopts, HTML_HTML_4_01_STRICT));
164: }
165:
166:
167: void *
168: xhtml_alloc(char *outopts)
169: {
170:
171: return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT));
172: }
173:
1.33 kristaps 174:
1.29 kristaps 175: void
176: html_free(void *p)
177: {
1.30 kristaps 178: struct tag *tag;
179: struct html *h;
180:
181: h = (struct html *)p;
1.37 kristaps 182:
1.66 kristaps 183: while ((tag = h->tags.head) != NULL) {
184: h->tags.head = tag->next;
1.30 kristaps 185: free(tag);
186: }
1.36 kristaps 187:
188: if (h->symtab)
1.133 kristaps 189: mchars_free(h->symtab);
1.53 kristaps 190:
1.30 kristaps 191: free(h);
1.10 kristaps 192: }
1.2 kristaps 193:
1.33 kristaps 194:
1.51 kristaps 195: void
1.29 kristaps 196: print_gen_head(struct html *h)
197: {
1.41 kristaps 198: struct htmlpair tag[4];
199:
200: tag[0].key = ATTR_HTTPEQUIV;
201: tag[0].val = "Content-Type";
202: tag[1].key = ATTR_CONTENT;
203: tag[1].val = "text/html; charset=utf-8";
204: print_otag(h, TAG_META, 2, tag);
205:
206: tag[0].key = ATTR_NAME;
207: tag[0].val = "resource-type";
208: tag[1].key = ATTR_CONTENT;
209: tag[1].val = "document";
210: print_otag(h, TAG_META, 2, tag);
211:
212: if (h->style) {
213: tag[0].key = ATTR_REL;
214: tag[0].val = "stylesheet";
215: tag[1].key = ATTR_HREF;
216: tag[1].val = h->style;
217: tag[2].key = ATTR_TYPE;
218: tag[2].val = "text/css";
219: tag[3].key = ATTR_MEDIA;
220: tag[3].val = "all";
221: print_otag(h, TAG_LINK, 4, tag);
222: }
1.4 kristaps 223: }
224:
1.127 kristaps 225: /* ARGSUSED */
1.29 kristaps 226: static void
1.126 schwarze 227: print_num(struct html *h, const char *p, size_t len)
228: {
1.137 kristaps 229: char c;
1.126 schwarze 230:
1.137 kristaps 231: if ('\0' != (c = mchars_num2char(p, len)))
232: putchar((int)c);
1.126 schwarze 233: }
234:
235: static void
1.132 kristaps 236: print_spec(struct html *h, const char *p, size_t len)
1.32 kristaps 237: {
1.107 kristaps 238: int cp;
1.32 kristaps 239: const char *rhs;
240: size_t sz;
241:
1.133 kristaps 242: if ((cp = mchars_spec2cp(h->symtab, p, len)) > 0) {
1.107 kristaps 243: printf("&#%d;", cp);
244: return;
1.132 kristaps 245: } else if (-1 == cp && 1 == len) {
1.108 kristaps 246: fwrite(p, 1, len, stdout);
247: return;
1.107 kristaps 248: } else if (-1 == cp)
249: return;
1.32 kristaps 250:
1.133 kristaps 251: if (NULL != (rhs = mchars_spec2str(h->symtab, p, len, &sz)))
1.107 kristaps 252: fwrite(rhs, 1, sz, stdout);
1.32 kristaps 253: }
254:
1.33 kristaps 255:
1.32 kristaps 256: static void
1.83 kristaps 257: print_res(struct html *h, const char *p, size_t len)
1.32 kristaps 258: {
1.107 kristaps 259: int cp;
1.32 kristaps 260: const char *rhs;
261: size_t sz;
262:
1.133 kristaps 263: if ((cp = mchars_res2cp(h->symtab, p, len)) > 0) {
1.107 kristaps 264: printf("&#%d;", cp);
265: return;
266: } else if (-1 == cp)
267: return;
1.32 kristaps 268:
1.133 kristaps 269: if (NULL != (rhs = mchars_res2str(h->symtab, p, len, &sz)))
1.107 kristaps 270: fwrite(rhs, 1, sz, stdout);
1.32 kristaps 271: }
272:
1.33 kristaps 273:
1.88 kristaps 274: static void
1.132 kristaps 275: print_metaf(struct html *h, enum mandoc_esc deco)
1.88 kristaps 276: {
1.90 kristaps 277: enum htmlfont font;
1.88 kristaps 278:
279: switch (deco) {
1.132 kristaps 280: case (ESCAPE_FONTPREV):
1.90 kristaps 281: font = h->metal;
1.88 kristaps 282: break;
1.132 kristaps 283: case (ESCAPE_FONTITALIC):
1.90 kristaps 284: font = HTMLFONT_ITALIC;
285: break;
1.132 kristaps 286: case (ESCAPE_FONTBOLD):
1.90 kristaps 287: font = HTMLFONT_BOLD;
1.88 kristaps 288: break;
1.132 kristaps 289: case (ESCAPE_FONTROMAN):
1.90 kristaps 290: font = HTMLFONT_NONE;
1.88 kristaps 291: break;
292: default:
293: abort();
294: /* NOTREACHED */
295: }
296:
1.122 kristaps 297: if (h->metaf) {
298: print_tagq(h, h->metaf);
299: h->metaf = NULL;
300: }
301:
302: h->metal = h->metac;
303: h->metac = font;
304:
305: if (HTMLFONT_NONE != font)
306: h->metaf = HTMLFONT_BOLD == font ?
307: print_otag(h, TAG_B, 0, NULL) :
308: print_otag(h, TAG_I, 0, NULL);
1.88 kristaps 309: }
310:
1.138 kristaps 311: int
312: html_strlen(const char *cp)
313: {
314: int ssz, sz;
315: const char *seq, *p;
316:
317: /*
318: * Account for escaped sequences within string length
319: * calculations. This follows the logic in term_strlen() as we
320: * must calculate the width of produced strings.
321: * Assume that characters are always width of "1". This is
322: * hacky, but it gets the job done for approximation of widths.
323: */
324:
325: sz = 0;
326: while (NULL != (p = strchr(cp, '\\'))) {
327: sz += (int)(p - cp);
328: ++cp;
329: switch (mandoc_escape(&cp, &seq, &ssz)) {
330: case (ESCAPE_ERROR):
331: return(sz);
1.139 kristaps 332: case (ESCAPE_NUMBERED):
333: /* FALLTHROUGH */
1.138 kristaps 334: case (ESCAPE_PREDEF):
1.139 kristaps 335: /* FALLTHROUGH */
1.138 kristaps 336: case (ESCAPE_SPECIAL):
337: sz++;
338: break;
339: default:
340: break;
341: }
342: }
343:
344: assert(sz >= 0);
345: return(sz + strlen(cp));
346: }
1.88 kristaps 347:
1.85 kristaps 348: static int
1.88 kristaps 349: print_encode(struct html *h, const char *p, int norecurse)
1.29 kristaps 350: {
1.77 kristaps 351: size_t sz;
1.85 kristaps 352: int len, nospace;
1.82 kristaps 353: const char *seq;
1.132 kristaps 354: enum mandoc_esc esc;
1.100 kristaps 355: static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' };
1.14 kristaps 356:
1.85 kristaps 357: nospace = 0;
358:
1.132 kristaps 359: while ('\0' != *p) {
1.100 kristaps 360: sz = strcspn(p, rejs);
1.77 kristaps 361:
362: fwrite(p, 1, sz, stdout);
1.132 kristaps 363: p += (int)sz;
1.77 kristaps 364:
1.132 kristaps 365: if ('\0' == *p)
366: break;
367:
368: switch (*p++) {
369: case ('<'):
1.82 kristaps 370: printf("<");
371: continue;
1.132 kristaps 372: case ('>'):
1.82 kristaps 373: printf(">");
374: continue;
1.132 kristaps 375: case ('&'):
1.82 kristaps 376: printf("&");
1.34 kristaps 377: continue;
1.132 kristaps 378: case (ASCII_HYPH):
1.100 kristaps 379: putchar('-');
380: continue;
1.132 kristaps 381: default:
1.77 kristaps 382: break;
1.132 kristaps 383: }
1.77 kristaps 384:
1.132 kristaps 385: esc = mandoc_escape(&p, &seq, &len);
386: if (ESCAPE_ERROR == esc)
387: break;
1.82 kristaps 388:
1.132 kristaps 389: switch (esc) {
390: case (ESCAPE_NUMBERED):
391: print_num(h, seq, len);
1.126 schwarze 392: break;
1.132 kristaps 393: case (ESCAPE_PREDEF):
394: print_res(h, seq, len);
1.82 kristaps 395: break;
1.132 kristaps 396: case (ESCAPE_SPECIAL):
397: print_spec(h, seq, len);
1.82 kristaps 398: break;
1.132 kristaps 399: case (ESCAPE_FONTPREV):
1.90 kristaps 400: /* FALLTHROUGH */
1.132 kristaps 401: case (ESCAPE_FONTBOLD):
1.88 kristaps 402: /* FALLTHROUGH */
1.132 kristaps 403: case (ESCAPE_FONTITALIC):
1.88 kristaps 404: /* FALLTHROUGH */
1.132 kristaps 405: case (ESCAPE_FONTROMAN):
1.88 kristaps 406: if (norecurse)
407: break;
1.132 kristaps 408: print_metaf(h, esc);
409: break;
410: case (ESCAPE_NOSPACE):
411: if ('\0' == *p)
412: nospace = 1;
1.88 kristaps 413: break;
1.82 kristaps 414: default:
415: break;
416: }
1.32 kristaps 417: }
1.85 kristaps 418:
419: return(nospace);
1.14 kristaps 420: }
421:
422:
1.94 kristaps 423: static void
424: print_attr(struct html *h, const char *key, const char *val)
425: {
426: printf(" %s=\"", key);
427: (void)print_encode(h, val, 1);
428: putchar('\"');
429: }
430:
431:
1.51 kristaps 432: struct tag *
1.29 kristaps 433: print_otag(struct html *h, enum htmltag tag,
434: int sz, const struct htmlpair *p)
1.14 kristaps 435: {
1.29 kristaps 436: int i;
1.30 kristaps 437: struct tag *t;
438:
1.94 kristaps 439: /* Push this tags onto the stack of open scopes. */
440:
1.30 kristaps 441: if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
1.128 kristaps 442: t = mandoc_malloc(sizeof(struct tag));
1.30 kristaps 443: t->tag = tag;
1.66 kristaps 444: t->next = h->tags.head;
445: h->tags.head = t;
1.30 kristaps 446: } else
447: t = NULL;
1.29 kristaps 448:
449: if ( ! (HTML_NOSPACE & h->flags))
1.105 kristaps 450: if ( ! (HTML_CLRLINE & htmltags[tag].flags)) {
451: /* Manage keeps! */
452: if ( ! (HTML_KEEP & h->flags)) {
453: if (HTML_PREKEEP & h->flags)
454: h->flags |= HTML_KEEP;
455: putchar(' ');
456: } else
457: printf(" ");
458: }
1.29 kristaps 459:
1.109 kristaps 460: if ( ! (h->flags & HTML_NONOSPACE))
461: h->flags &= ~HTML_NOSPACE;
1.110 kristaps 462: else
463: h->flags |= HTML_NOSPACE;
1.109 kristaps 464:
1.94 kristaps 465: /* Print out the tag name and attributes. */
466:
1.29 kristaps 467: printf("<%s", htmltags[tag].name);
1.94 kristaps 468: for (i = 0; i < sz; i++)
469: print_attr(h, htmlattrs[p[i].key], p[i].val);
470:
471: /* Add non-overridable attributes. */
472:
473: if (TAG_HTML == tag && HTML_XHTML_1_0_STRICT == h->type) {
474: print_attr(h, "xmlns", "http://www.w3.org/1999/xhtml");
475: print_attr(h, "xml:lang", "en");
476: print_attr(h, "lang", "en");
1.29 kristaps 477: }
1.93 kristaps 478:
1.134 kristaps 479: /* Accommodate for XML "well-formed" singleton escaping. */
1.94 kristaps 480:
1.93 kristaps 481: if (HTML_AUTOCLOSE & htmltags[tag].flags)
482: switch (h->type) {
483: case (HTML_XHTML_1_0_STRICT):
484: putchar('/');
485: break;
486: default:
487: break;
488: }
489:
1.78 kristaps 490: putchar('>');
1.14 kristaps 491:
1.29 kristaps 492: h->flags |= HTML_NOSPACE;
1.117 kristaps 493:
494: if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags)
495: putchar('\n');
496:
1.30 kristaps 497: return(t);
1.14 kristaps 498: }
499:
500:
1.29 kristaps 501: static void
502: print_ctag(struct html *h, enum htmltag tag)
1.14 kristaps 503: {
504:
1.29 kristaps 505: printf("</%s>", htmltags[tag].name);
1.71 kristaps 506: if (HTML_CLRLINE & htmltags[tag].flags) {
1.29 kristaps 507: h->flags |= HTML_NOSPACE;
1.78 kristaps 508: putchar('\n');
1.87 kristaps 509: }
1.14 kristaps 510: }
511:
512:
1.51 kristaps 513: void
1.93 kristaps 514: print_gen_decls(struct html *h)
1.1 kristaps 515: {
1.93 kristaps 516:
517: print_xmltype(h);
518: print_doctype(h);
519: }
520:
521:
522: static void
523: print_xmltype(struct html *h)
524: {
525:
1.100 kristaps 526: if (HTML_XHTML_1_0_STRICT == h->type)
1.121 kristaps 527: puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
1.93 kristaps 528: }
529:
530:
531: static void
532: print_doctype(struct html *h)
533: {
534: const char *doctype;
535: const char *dtd;
1.96 kristaps 536: const char *name;
1.93 kristaps 537:
538: switch (h->type) {
539: case (HTML_HTML_4_01_STRICT):
1.96 kristaps 540: name = "HTML";
1.93 kristaps 541: doctype = "-//W3C//DTD HTML 4.01//EN";
542: dtd = "http://www.w3.org/TR/html4/strict.dtd";
543: break;
544: default:
1.96 kristaps 545: name = "html";
1.93 kristaps 546: doctype = "-//W3C//DTD XHTML 1.0 Strict//EN";
547: dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
548: break;
549: }
550:
1.96 kristaps 551: printf("<!DOCTYPE %s PUBLIC \"%s\" \"%s\">\n",
552: name, doctype, dtd);
1.1 kristaps 553: }
554:
1.51 kristaps 555: void
1.104 kristaps 556: print_text(struct html *h, const char *word)
1.1 kristaps 557: {
558:
1.105 kristaps 559: if ( ! (HTML_NOSPACE & h->flags)) {
560: /* Manage keeps! */
561: if ( ! (HTML_KEEP & h->flags)) {
562: if (HTML_PREKEEP & h->flags)
563: h->flags |= HTML_KEEP;
564: putchar(' ');
565: } else
566: printf(" ");
567: }
1.30 kristaps 568:
1.122 kristaps 569: assert(NULL == h->metaf);
570: if (HTMLFONT_NONE != h->metac)
571: h->metaf = HTMLFONT_BOLD == h->metac ?
572: print_otag(h, TAG_B, 0, NULL) :
573: print_otag(h, TAG_I, 0, NULL);
574:
1.104 kristaps 575: assert(word);
576: if ( ! print_encode(h, word, 0))
1.109 kristaps 577: if ( ! (h->flags & HTML_NONOSPACE))
578: h->flags &= ~HTML_NOSPACE;
1.122 kristaps 579:
580: if (h->metaf) {
581: print_tagq(h, h->metaf);
582: h->metaf = NULL;
583: }
1.113 schwarze 584:
585: h->flags &= ~HTML_IGNDELIM;
1.1 kristaps 586: }
1.30 kristaps 587:
588:
1.51 kristaps 589: void
1.30 kristaps 590: print_tagq(struct html *h, const struct tag *until)
591: {
592: struct tag *tag;
593:
1.66 kristaps 594: while ((tag = h->tags.head) != NULL) {
1.125 kristaps 595: /*
596: * Remember to close out and nullify the current
597: * meta-font and table, if applicable.
598: */
1.89 kristaps 599: if (tag == h->metaf)
600: h->metaf = NULL;
1.125 kristaps 601: if (tag == h->tblt)
602: h->tblt = NULL;
1.30 kristaps 603: print_ctag(h, tag->tag);
1.66 kristaps 604: h->tags.head = tag->next;
1.30 kristaps 605: free(tag);
606: if (until && tag == until)
607: return;
608: }
609: }
610:
611:
1.51 kristaps 612: void
1.30 kristaps 613: print_stagq(struct html *h, const struct tag *suntil)
614: {
615: struct tag *tag;
616:
1.66 kristaps 617: while ((tag = h->tags.head) != NULL) {
1.30 kristaps 618: if (suntil && tag == suntil)
619: return;
1.125 kristaps 620: /*
621: * Remember to close out and nullify the current
622: * meta-font and table, if applicable.
623: */
1.89 kristaps 624: if (tag == h->metaf)
625: h->metaf = NULL;
1.125 kristaps 626: if (tag == h->tblt)
627: h->tblt = NULL;
1.30 kristaps 628: print_ctag(h, tag->tag);
1.66 kristaps 629: h->tags.head = tag->next;
1.30 kristaps 630: free(tag);
631: }
632: }
1.55 kristaps 633:
634:
635: void
636: bufinit(struct html *h)
637: {
638:
639: h->buf[0] = '\0';
640: h->buflen = 0;
641: }
642:
643:
644: void
1.58 kristaps 645: bufcat_style(struct html *h, const char *key, const char *val)
646: {
647:
648: bufcat(h, key);
649: bufncat(h, ":", 1);
650: bufcat(h, val);
651: bufncat(h, ";", 1);
652: }
653:
654:
655: void
1.55 kristaps 656: bufcat(struct html *h, const char *p)
657: {
658:
659: bufncat(h, p, strlen(p));
660: }
661:
662:
663: void
664: buffmt(struct html *h, const char *fmt, ...)
665: {
666: va_list ap;
667:
668: va_start(ap, fmt);
1.56 kristaps 669: (void)vsnprintf(h->buf + (int)h->buflen,
1.55 kristaps 670: BUFSIZ - h->buflen - 1, fmt, ap);
671: va_end(ap);
672: h->buflen = strlen(h->buf);
673: }
674:
675:
676: void
677: bufncat(struct html *h, const char *p, size_t sz)
678: {
679:
680: if (h->buflen + sz > BUFSIZ - 1)
681: sz = BUFSIZ - 1 - h->buflen;
682:
683: (void)strncat(h->buf, p, sz);
684: h->buflen += sz;
685: }
686:
687:
688: void
689: buffmt_includes(struct html *h, const char *name)
690: {
691: const char *p, *pp;
692:
693: pp = h->base_includes;
1.61 kristaps 694:
695: while (NULL != (p = strchr(pp, '%'))) {
1.56 kristaps 696: bufncat(h, pp, (size_t)(p - pp));
1.55 kristaps 697: switch (*(p + 1)) {
698: case('I'):
699: bufcat(h, name);
700: break;
701: default:
702: bufncat(h, p, 2);
703: break;
704: }
705: pp = p + 2;
706: }
707: if (pp)
708: bufcat(h, pp);
709: }
710:
711:
712: void
713: buffmt_man(struct html *h,
714: const char *name, const char *sec)
715: {
716: const char *p, *pp;
717:
718: pp = h->base_man;
1.61 kristaps 719:
720: /* LINTED */
721: while (NULL != (p = strchr(pp, '%'))) {
1.56 kristaps 722: bufncat(h, pp, (size_t)(p - pp));
1.55 kristaps 723: switch (*(p + 1)) {
724: case('S'):
1.58 kristaps 725: bufcat(h, sec ? sec : "1");
1.55 kristaps 726: break;
727: case('N'):
1.58 kristaps 728: buffmt(h, name);
1.55 kristaps 729: break;
730: default:
731: bufncat(h, p, 2);
732: break;
733: }
734: pp = p + 2;
735: }
736: if (pp)
737: bufcat(h, pp);
738: }
1.58 kristaps 739:
740:
741: void
742: bufcat_su(struct html *h, const char *p, const struct roffsu *su)
743: {
1.62 kristaps 744: double v;
1.58 kristaps 745:
746: v = su->scale;
1.140 ! kristaps 747: if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
! 748: v = 1.0;
1.58 kristaps 749:
1.140 ! kristaps 750: buffmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
1.58 kristaps 751: }
1.65 kristaps 752:
1.68 kristaps 753:
754: void
1.70 kristaps 755: html_idcat(char *dst, const char *src, int sz)
1.68 kristaps 756: {
1.70 kristaps 757: int ssz;
1.68 kristaps 758:
1.124 schwarze 759: assert(sz > 2);
1.68 kristaps 760:
761: /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
762:
1.124 schwarze 763: /* We can't start with a number (bah). */
764:
765: if ('#' == *dst) {
766: dst++;
767: sz--;
768: }
769: if ('\0' == *dst) {
770: *dst++ = 'x';
771: *dst = '\0';
772: sz--;
773: }
774:
1.70 kristaps 775: for ( ; *dst != '\0' && sz; dst++, sz--)
1.68 kristaps 776: /* Jump to end. */ ;
1.70 kristaps 777:
778: for ( ; *src != '\0' && sz > 1; src++) {
1.73 kristaps 779: ssz = snprintf(dst, (size_t)sz, "%.2x", *src);
1.70 kristaps 780: sz -= ssz;
781: dst += ssz;
782: }
1.68 kristaps 783: }
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