Annotation of mandoc/html.c, Revision 1.145
1.145 ! kristaps 1: /* $Id: html.c,v 1.144 2011/05/17 11:50:20 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:
1.141 kristaps 110: static void bufncat(struct html *, const char *, size_t);
111: static void print_spec(struct html *, const char *, size_t);
112: static void print_res(struct html *, const char *, size_t);
113: static void print_ctag(struct html *, enum htmltag);
114: static int print_encode(struct html *, const char *, int);
115: static void print_metaf(struct html *, enum mandoc_esc);
116: static void print_attr(struct html *, const char *, const char *);
117: static void *ml_alloc(char *, enum htmltype);
1.82 kristaps 118:
1.93 kristaps 119: static void *
120: ml_alloc(char *outopts, enum htmltype type)
1.10 kristaps 121: {
1.30 kristaps 122: struct html *h;
1.63 kristaps 123: const char *toks[4];
124: char *v;
1.43 kristaps 125:
126: toks[0] = "style";
1.53 kristaps 127: toks[1] = "man";
1.54 kristaps 128: toks[2] = "includes";
129: toks[3] = NULL;
1.30 kristaps 130:
1.128 kristaps 131: h = mandoc_calloc(1, sizeof(struct html));
1.10 kristaps 132:
1.93 kristaps 133: h->type = type;
1.66 kristaps 134: h->tags.head = NULL;
1.136 kristaps 135: h->symtab = mchars_alloc();
1.41 kristaps 136:
1.47 kristaps 137: while (outopts && *outopts)
1.63 kristaps 138: switch (getsubopt(&outopts, UNCONST(toks), &v)) {
1.43 kristaps 139: case (0):
140: h->style = v;
141: break;
142: case (1):
1.53 kristaps 143: h->base_man = v;
1.43 kristaps 144: break;
1.54 kristaps 145: case (2):
146: h->base_includes = v;
147: break;
1.43 kristaps 148: default:
149: break;
150: }
151:
1.30 kristaps 152: return(h);
1.29 kristaps 153: }
1.10 kristaps 154:
1.93 kristaps 155: void *
156: html_alloc(char *outopts)
157: {
158:
159: return(ml_alloc(outopts, HTML_HTML_4_01_STRICT));
160: }
161:
162:
163: void *
164: xhtml_alloc(char *outopts)
165: {
166:
167: return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT));
168: }
169:
1.33 kristaps 170:
1.29 kristaps 171: void
172: html_free(void *p)
173: {
1.30 kristaps 174: struct tag *tag;
175: struct html *h;
176:
177: h = (struct html *)p;
1.37 kristaps 178:
1.66 kristaps 179: while ((tag = h->tags.head) != NULL) {
180: h->tags.head = tag->next;
1.30 kristaps 181: free(tag);
182: }
1.36 kristaps 183:
184: if (h->symtab)
1.133 kristaps 185: mchars_free(h->symtab);
1.53 kristaps 186:
1.30 kristaps 187: free(h);
1.10 kristaps 188: }
1.2 kristaps 189:
1.33 kristaps 190:
1.51 kristaps 191: void
1.29 kristaps 192: print_gen_head(struct html *h)
193: {
1.41 kristaps 194: struct htmlpair tag[4];
195:
196: tag[0].key = ATTR_HTTPEQUIV;
197: tag[0].val = "Content-Type";
198: tag[1].key = ATTR_CONTENT;
199: tag[1].val = "text/html; charset=utf-8";
200: print_otag(h, TAG_META, 2, tag);
201:
202: tag[0].key = ATTR_NAME;
203: tag[0].val = "resource-type";
204: tag[1].key = ATTR_CONTENT;
205: tag[1].val = "document";
206: print_otag(h, TAG_META, 2, tag);
207:
208: if (h->style) {
209: tag[0].key = ATTR_REL;
210: tag[0].val = "stylesheet";
211: tag[1].key = ATTR_HREF;
212: tag[1].val = h->style;
213: tag[2].key = ATTR_TYPE;
214: tag[2].val = "text/css";
215: tag[3].key = ATTR_MEDIA;
216: tag[3].val = "all";
217: print_otag(h, TAG_LINK, 4, tag);
218: }
1.4 kristaps 219: }
220:
1.126 schwarze 221: static void
1.132 kristaps 222: print_spec(struct html *h, const char *p, size_t len)
1.32 kristaps 223: {
1.107 kristaps 224: int cp;
1.32 kristaps 225: const char *rhs;
226: size_t sz;
227:
1.133 kristaps 228: if ((cp = mchars_spec2cp(h->symtab, p, len)) > 0) {
1.107 kristaps 229: printf("&#%d;", cp);
230: return;
1.132 kristaps 231: } else if (-1 == cp && 1 == len) {
1.108 kristaps 232: fwrite(p, 1, len, stdout);
233: return;
1.107 kristaps 234: } else if (-1 == cp)
235: return;
1.32 kristaps 236:
1.133 kristaps 237: if (NULL != (rhs = mchars_spec2str(h->symtab, p, len, &sz)))
1.107 kristaps 238: fwrite(rhs, 1, sz, stdout);
1.32 kristaps 239: }
240:
1.33 kristaps 241:
1.32 kristaps 242: static void
1.83 kristaps 243: print_res(struct html *h, const char *p, size_t len)
1.32 kristaps 244: {
1.107 kristaps 245: int cp;
1.32 kristaps 246: const char *rhs;
247: size_t sz;
248:
1.133 kristaps 249: if ((cp = mchars_res2cp(h->symtab, p, len)) > 0) {
1.107 kristaps 250: printf("&#%d;", cp);
251: return;
252: } else if (-1 == cp)
253: return;
1.32 kristaps 254:
1.133 kristaps 255: if (NULL != (rhs = mchars_res2str(h->symtab, p, len, &sz)))
1.107 kristaps 256: fwrite(rhs, 1, sz, stdout);
1.32 kristaps 257: }
258:
1.33 kristaps 259:
1.88 kristaps 260: static void
1.132 kristaps 261: print_metaf(struct html *h, enum mandoc_esc deco)
1.88 kristaps 262: {
1.90 kristaps 263: enum htmlfont font;
1.88 kristaps 264:
265: switch (deco) {
1.132 kristaps 266: case (ESCAPE_FONTPREV):
1.90 kristaps 267: font = h->metal;
1.88 kristaps 268: break;
1.132 kristaps 269: case (ESCAPE_FONTITALIC):
1.90 kristaps 270: font = HTMLFONT_ITALIC;
271: break;
1.132 kristaps 272: case (ESCAPE_FONTBOLD):
1.90 kristaps 273: font = HTMLFONT_BOLD;
1.88 kristaps 274: break;
1.145 ! kristaps 275: case (ESCAPE_FONT):
! 276: /* FALLTHROUGH */
1.132 kristaps 277: case (ESCAPE_FONTROMAN):
1.90 kristaps 278: font = HTMLFONT_NONE;
1.88 kristaps 279: break;
280: default:
281: abort();
282: /* NOTREACHED */
283: }
284:
1.122 kristaps 285: if (h->metaf) {
286: print_tagq(h, h->metaf);
287: h->metaf = NULL;
288: }
289:
290: h->metal = h->metac;
291: h->metac = font;
292:
293: if (HTMLFONT_NONE != font)
294: h->metaf = HTMLFONT_BOLD == font ?
295: print_otag(h, TAG_B, 0, NULL) :
296: print_otag(h, TAG_I, 0, NULL);
1.88 kristaps 297: }
298:
1.138 kristaps 299: int
300: html_strlen(const char *cp)
301: {
302: int ssz, sz;
303: const char *seq, *p;
304:
305: /*
306: * Account for escaped sequences within string length
307: * calculations. This follows the logic in term_strlen() as we
308: * must calculate the width of produced strings.
309: * Assume that characters are always width of "1". This is
310: * hacky, but it gets the job done for approximation of widths.
311: */
312:
313: sz = 0;
314: while (NULL != (p = strchr(cp, '\\'))) {
315: sz += (int)(p - cp);
316: ++cp;
317: switch (mandoc_escape(&cp, &seq, &ssz)) {
318: case (ESCAPE_ERROR):
319: return(sz);
1.144 kristaps 320: case (ESCAPE_UNICODE):
321: /* FALLTHROUGH */
1.139 kristaps 322: case (ESCAPE_NUMBERED):
323: /* FALLTHROUGH */
1.138 kristaps 324: case (ESCAPE_PREDEF):
1.139 kristaps 325: /* FALLTHROUGH */
1.138 kristaps 326: case (ESCAPE_SPECIAL):
327: sz++;
328: break;
329: default:
330: break;
331: }
332: }
333:
334: assert(sz >= 0);
335: return(sz + strlen(cp));
336: }
1.88 kristaps 337:
1.85 kristaps 338: static int
1.88 kristaps 339: print_encode(struct html *h, const char *p, int norecurse)
1.29 kristaps 340: {
1.77 kristaps 341: size_t sz;
1.141 kristaps 342: int c, len, nospace;
1.82 kristaps 343: const char *seq;
1.132 kristaps 344: enum mandoc_esc esc;
1.100 kristaps 345: static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' };
1.14 kristaps 346:
1.85 kristaps 347: nospace = 0;
348:
1.132 kristaps 349: while ('\0' != *p) {
1.100 kristaps 350: sz = strcspn(p, rejs);
1.77 kristaps 351:
352: fwrite(p, 1, sz, stdout);
1.132 kristaps 353: p += (int)sz;
1.77 kristaps 354:
1.132 kristaps 355: if ('\0' == *p)
356: break;
357:
358: switch (*p++) {
359: case ('<'):
1.82 kristaps 360: printf("<");
361: continue;
1.132 kristaps 362: case ('>'):
1.82 kristaps 363: printf(">");
364: continue;
1.132 kristaps 365: case ('&'):
1.82 kristaps 366: printf("&");
1.34 kristaps 367: continue;
1.132 kristaps 368: case (ASCII_HYPH):
1.100 kristaps 369: putchar('-');
370: continue;
1.132 kristaps 371: default:
1.77 kristaps 372: break;
1.132 kristaps 373: }
1.77 kristaps 374:
1.132 kristaps 375: esc = mandoc_escape(&p, &seq, &len);
376: if (ESCAPE_ERROR == esc)
377: break;
1.82 kristaps 378:
1.132 kristaps 379: switch (esc) {
1.144 kristaps 380: case (ESCAPE_UNICODE):
381: /* Skip passed "u" header. */
382: c = mchars_num2uc(seq + 1, len - 1);
383: if ('\0' != c)
384: printf("&#x%x;", c);
385: break;
1.132 kristaps 386: case (ESCAPE_NUMBERED):
1.141 kristaps 387: c = mchars_num2char(seq, len);
388: if ('\0' != c)
389: putchar(c);
1.126 schwarze 390: break;
1.132 kristaps 391: case (ESCAPE_PREDEF):
392: print_res(h, seq, len);
1.82 kristaps 393: break;
1.132 kristaps 394: case (ESCAPE_SPECIAL):
395: print_spec(h, seq, len);
1.82 kristaps 396: break;
1.145 ! kristaps 397: case (ESCAPE_FONT):
! 398: /* FALLTHROUGH */
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:
1.51 kristaps 512: void
1.93 kristaps 513: print_gen_decls(struct html *h)
1.1 kristaps 514: {
1.93 kristaps 515: const char *doctype;
516: const char *dtd;
1.96 kristaps 517: const char *name;
1.93 kristaps 518:
519: switch (h->type) {
520: case (HTML_HTML_4_01_STRICT):
1.96 kristaps 521: name = "HTML";
1.93 kristaps 522: doctype = "-//W3C//DTD HTML 4.01//EN";
523: dtd = "http://www.w3.org/TR/html4/strict.dtd";
524: break;
525: default:
1.141 kristaps 526: puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
1.96 kristaps 527: name = "html";
1.93 kristaps 528: doctype = "-//W3C//DTD XHTML 1.0 Strict//EN";
529: dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
530: break;
531: }
532:
1.96 kristaps 533: printf("<!DOCTYPE %s PUBLIC \"%s\" \"%s\">\n",
534: name, doctype, dtd);
1.1 kristaps 535: }
536:
1.51 kristaps 537: void
1.104 kristaps 538: print_text(struct html *h, const char *word)
1.1 kristaps 539: {
540:
1.105 kristaps 541: if ( ! (HTML_NOSPACE & h->flags)) {
542: /* Manage keeps! */
543: if ( ! (HTML_KEEP & h->flags)) {
544: if (HTML_PREKEEP & h->flags)
545: h->flags |= HTML_KEEP;
546: putchar(' ');
547: } else
548: printf(" ");
549: }
1.30 kristaps 550:
1.122 kristaps 551: assert(NULL == h->metaf);
552: if (HTMLFONT_NONE != h->metac)
553: h->metaf = HTMLFONT_BOLD == h->metac ?
554: print_otag(h, TAG_B, 0, NULL) :
555: print_otag(h, TAG_I, 0, NULL);
556:
1.104 kristaps 557: assert(word);
558: if ( ! print_encode(h, word, 0))
1.109 kristaps 559: if ( ! (h->flags & HTML_NONOSPACE))
560: h->flags &= ~HTML_NOSPACE;
1.122 kristaps 561:
562: if (h->metaf) {
563: print_tagq(h, h->metaf);
564: h->metaf = NULL;
565: }
1.113 schwarze 566:
567: h->flags &= ~HTML_IGNDELIM;
1.1 kristaps 568: }
1.30 kristaps 569:
570:
1.51 kristaps 571: void
1.30 kristaps 572: print_tagq(struct html *h, const struct tag *until)
573: {
574: struct tag *tag;
575:
1.66 kristaps 576: while ((tag = h->tags.head) != NULL) {
1.125 kristaps 577: /*
578: * Remember to close out and nullify the current
579: * meta-font and table, if applicable.
580: */
1.89 kristaps 581: if (tag == h->metaf)
582: h->metaf = NULL;
1.125 kristaps 583: if (tag == h->tblt)
584: h->tblt = NULL;
1.30 kristaps 585: print_ctag(h, tag->tag);
1.66 kristaps 586: h->tags.head = tag->next;
1.30 kristaps 587: free(tag);
588: if (until && tag == until)
589: return;
590: }
591: }
592:
593:
1.51 kristaps 594: void
1.30 kristaps 595: print_stagq(struct html *h, const struct tag *suntil)
596: {
597: struct tag *tag;
598:
1.66 kristaps 599: while ((tag = h->tags.head) != NULL) {
1.30 kristaps 600: if (suntil && tag == suntil)
601: return;
1.125 kristaps 602: /*
603: * Remember to close out and nullify the current
604: * meta-font and table, if applicable.
605: */
1.89 kristaps 606: if (tag == h->metaf)
607: h->metaf = NULL;
1.125 kristaps 608: if (tag == h->tblt)
609: h->tblt = NULL;
1.30 kristaps 610: print_ctag(h, tag->tag);
1.66 kristaps 611: h->tags.head = tag->next;
1.30 kristaps 612: free(tag);
613: }
614: }
1.55 kristaps 615:
616: void
617: bufinit(struct html *h)
618: {
619:
620: h->buf[0] = '\0';
621: h->buflen = 0;
622: }
623:
624: void
1.58 kristaps 625: bufcat_style(struct html *h, const char *key, const char *val)
626: {
627:
628: bufcat(h, key);
1.141 kristaps 629: bufcat(h, ":");
1.58 kristaps 630: bufcat(h, val);
1.141 kristaps 631: bufcat(h, ";");
1.58 kristaps 632: }
633:
634: void
1.55 kristaps 635: bufcat(struct html *h, const char *p)
636: {
637:
1.141 kristaps 638: h->buflen = strlcat(h->buf, p, BUFSIZ);
639: assert(h->buflen < BUFSIZ);
640: h->buflen--;
1.55 kristaps 641: }
642:
643: void
1.141 kristaps 644: bufcat_fmt(struct html *h, const char *fmt, ...)
1.55 kristaps 645: {
646: va_list ap;
647:
648: va_start(ap, fmt);
1.56 kristaps 649: (void)vsnprintf(h->buf + (int)h->buflen,
1.55 kristaps 650: BUFSIZ - h->buflen - 1, fmt, ap);
651: va_end(ap);
652: h->buflen = strlen(h->buf);
653: }
654:
1.141 kristaps 655: static void
1.55 kristaps 656: bufncat(struct html *h, const char *p, size_t sz)
657: {
658:
1.141 kristaps 659: assert(h->buflen + sz + 1 < BUFSIZ);
660: strncat(h->buf, p, sz);
1.55 kristaps 661: h->buflen += sz;
662: }
663:
664: void
665: buffmt_includes(struct html *h, const char *name)
666: {
667: const char *p, *pp;
668:
669: pp = h->base_includes;
1.61 kristaps 670:
1.143 kristaps 671: bufinit(h);
1.61 kristaps 672: while (NULL != (p = strchr(pp, '%'))) {
1.56 kristaps 673: bufncat(h, pp, (size_t)(p - pp));
1.55 kristaps 674: switch (*(p + 1)) {
675: case('I'):
676: bufcat(h, name);
677: break;
678: default:
679: bufncat(h, p, 2);
680: break;
681: }
682: pp = p + 2;
683: }
684: if (pp)
685: bufcat(h, pp);
686: }
687:
688: void
689: buffmt_man(struct html *h,
690: const char *name, const char *sec)
691: {
692: const char *p, *pp;
693:
694: pp = h->base_man;
1.61 kristaps 695:
1.143 kristaps 696: bufinit(h);
1.61 kristaps 697: while (NULL != (p = strchr(pp, '%'))) {
1.56 kristaps 698: bufncat(h, pp, (size_t)(p - pp));
1.55 kristaps 699: switch (*(p + 1)) {
700: case('S'):
1.58 kristaps 701: bufcat(h, sec ? sec : "1");
1.55 kristaps 702: break;
703: case('N'):
1.141 kristaps 704: bufcat_fmt(h, name);
1.55 kristaps 705: break;
706: default:
707: bufncat(h, p, 2);
708: break;
709: }
710: pp = p + 2;
711: }
712: if (pp)
713: bufcat(h, pp);
714: }
1.58 kristaps 715:
716: void
717: bufcat_su(struct html *h, const char *p, const struct roffsu *su)
718: {
1.62 kristaps 719: double v;
1.58 kristaps 720:
721: v = su->scale;
1.140 kristaps 722: if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
723: v = 1.0;
1.58 kristaps 724:
1.141 kristaps 725: bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
1.58 kristaps 726: }
1.68 kristaps 727:
728: void
1.142 kristaps 729: bufcat_id(struct html *h, const char *src)
1.68 kristaps 730: {
731:
732: /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
733:
1.142 kristaps 734: while ('\0' != *src)
735: bufcat_fmt(h, "%.2x", *src++);
1.68 kristaps 736: }
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