Annotation of mandoc/html.c, Revision 1.155
1.155 ! schwarze 1: /* $Id: html.c,v 1.154 2014/01/22 20:58:39 schwarze Exp $ */
1.1 kristaps 2: /*
1.126 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.154 schwarze 4: * Copyright (c) 2011, 2012, 2013, 2014 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"
1.155 ! schwarze 34: #include "mandoc_aux.h"
1.138 kristaps 35: #include "libmandoc.h"
1.58 kristaps 36: #include "out.h"
1.51 kristaps 37: #include "html.h"
1.64 kristaps 38: #include "main.h"
1.63 kristaps 39:
1.29 kristaps 40: struct htmldata {
1.63 kristaps 41: const char *name;
1.29 kristaps 42: int flags;
1.30 kristaps 43: #define HTML_CLRLINE (1 << 0)
44: #define HTML_NOSTACK (1 << 1)
1.93 kristaps 45: #define HTML_AUTOCLOSE (1 << 2) /* Tag has auto-closure. */
1.29 kristaps 46: };
1.7 kristaps 47:
1.29 kristaps 48: static const struct htmldata htmltags[TAG_MAX] = {
1.30 kristaps 49: {"html", HTML_CLRLINE}, /* TAG_HTML */
50: {"head", HTML_CLRLINE}, /* TAG_HEAD */
51: {"body", HTML_CLRLINE}, /* TAG_BODY */
1.93 kristaps 52: {"meta", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_META */
1.33 kristaps 53: {"title", HTML_CLRLINE}, /* TAG_TITLE */
1.30 kristaps 54: {"div", HTML_CLRLINE}, /* TAG_DIV */
1.29 kristaps 55: {"h1", 0}, /* TAG_H1 */
56: {"h2", 0}, /* TAG_H2 */
57: {"span", 0}, /* TAG_SPAN */
1.99 kristaps 58: {"link", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_LINK */
1.93 kristaps 59: {"br", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_BR */
1.30 kristaps 60: {"a", 0}, /* TAG_A */
1.33 kristaps 61: {"table", HTML_CLRLINE}, /* TAG_TABLE */
1.114 kristaps 62: {"tbody", HTML_CLRLINE}, /* TAG_TBODY */
1.93 kristaps 63: {"col", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_COL */
1.33 kristaps 64: {"tr", HTML_CLRLINE}, /* TAG_TR */
65: {"td", HTML_CLRLINE}, /* TAG_TD */
1.34 kristaps 66: {"li", HTML_CLRLINE}, /* TAG_LI */
67: {"ul", HTML_CLRLINE}, /* TAG_UL */
68: {"ol", HTML_CLRLINE}, /* TAG_OL */
1.114 kristaps 69: {"dl", HTML_CLRLINE}, /* TAG_DL */
70: {"dt", HTML_CLRLINE}, /* TAG_DT */
71: {"dd", HTML_CLRLINE}, /* TAG_DD */
1.115 kristaps 72: {"blockquote", HTML_CLRLINE}, /* TAG_BLOCKQUOTE */
1.116 kristaps 73: {"p", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_P */
1.118 kristaps 74: {"pre", HTML_CLRLINE }, /* TAG_PRE */
1.119 kristaps 75: {"b", 0 }, /* TAG_B */
1.120 kristaps 76: {"i", 0 }, /* TAG_I */
1.121 kristaps 77: {"code", 0 }, /* TAG_CODE */
1.122 kristaps 78: {"small", 0 }, /* TAG_SMALL */
1.90 kristaps 79: };
80:
1.82 kristaps 81: static const char *const htmlattrs[ATTR_MAX] = {
1.119 kristaps 82: "http-equiv", /* ATTR_HTTPEQUIV */
83: "content", /* ATTR_CONTENT */
84: "name", /* ATTR_NAME */
85: "rel", /* ATTR_REL */
86: "href", /* ATTR_HREF */
87: "type", /* ATTR_TYPE */
88: "media", /* ATTR_MEDIA */
89: "class", /* ATTR_CLASS */
90: "style", /* ATTR_STYLE */
91: "width", /* ATTR_WIDTH */
92: "id", /* ATTR_ID */
93: "summary", /* ATTR_SUMMARY */
94: "align", /* ATTR_ALIGN */
1.125 kristaps 95: "colspan", /* ATTR_COLSPAN */
1.29 kristaps 96: };
1.10 kristaps 97:
1.140 kristaps 98: static const char *const roffscales[SCALE_MAX] = {
99: "cm", /* SCALE_CM */
100: "in", /* SCALE_IN */
101: "pc", /* SCALE_PC */
102: "pt", /* SCALE_PT */
103: "em", /* SCALE_EM */
104: "em", /* SCALE_MM */
105: "ex", /* SCALE_EN */
106: "ex", /* SCALE_BU */
107: "em", /* SCALE_VS */
108: "ex", /* SCALE_FS */
109: };
110:
1.141 kristaps 111: static void bufncat(struct html *, const char *, size_t);
112: static void print_ctag(struct html *, enum htmltag);
113: static int print_encode(struct html *, const char *, int);
114: static void print_metaf(struct html *, enum mandoc_esc);
115: static void print_attr(struct html *, const char *, const char *);
116: static void *ml_alloc(char *, enum htmltype);
1.82 kristaps 117:
1.93 kristaps 118: static void *
119: ml_alloc(char *outopts, enum htmltype type)
1.10 kristaps 120: {
1.30 kristaps 121: struct html *h;
1.150 kristaps 122: const char *toks[5];
1.63 kristaps 123: char *v;
1.43 kristaps 124:
125: toks[0] = "style";
1.53 kristaps 126: toks[1] = "man";
1.54 kristaps 127: toks[2] = "includes";
1.150 kristaps 128: toks[3] = "fragment";
129: toks[4] = 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;
1.150 kristaps 147: break;
148: case (3):
149: h->oflags |= HTML_FRAGMENT;
1.54 kristaps 150: break;
1.43 kristaps 151: default:
152: break;
153: }
154:
1.30 kristaps 155: return(h);
1.29 kristaps 156: }
1.10 kristaps 157:
1.93 kristaps 158: void *
159: html_alloc(char *outopts)
160: {
161:
162: return(ml_alloc(outopts, HTML_HTML_4_01_STRICT));
163: }
164:
165:
166: void *
167: xhtml_alloc(char *outopts)
168: {
169:
170: return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT));
171: }
172:
1.33 kristaps 173:
1.29 kristaps 174: void
175: html_free(void *p)
176: {
1.30 kristaps 177: struct tag *tag;
178: struct html *h;
179:
180: h = (struct html *)p;
1.37 kristaps 181:
1.66 kristaps 182: while ((tag = h->tags.head) != NULL) {
183: h->tags.head = tag->next;
1.30 kristaps 184: free(tag);
185: }
1.36 kristaps 186:
187: if (h->symtab)
1.133 kristaps 188: mchars_free(h->symtab);
1.53 kristaps 189:
1.30 kristaps 190: free(h);
1.10 kristaps 191: }
1.2 kristaps 192:
1.33 kristaps 193:
1.51 kristaps 194: void
1.29 kristaps 195: print_gen_head(struct html *h)
196: {
1.41 kristaps 197: struct htmlpair tag[4];
198:
199: tag[0].key = ATTR_HTTPEQUIV;
200: tag[0].val = "Content-Type";
201: tag[1].key = ATTR_CONTENT;
202: tag[1].val = "text/html; charset=utf-8";
203: print_otag(h, TAG_META, 2, tag);
204:
205: tag[0].key = ATTR_NAME;
206: tag[0].val = "resource-type";
207: tag[1].key = ATTR_CONTENT;
208: tag[1].val = "document";
209: print_otag(h, TAG_META, 2, tag);
210:
211: if (h->style) {
212: tag[0].key = ATTR_REL;
213: tag[0].val = "stylesheet";
214: tag[1].key = ATTR_HREF;
215: tag[1].val = h->style;
216: tag[2].key = ATTR_TYPE;
217: tag[2].val = "text/css";
218: tag[3].key = ATTR_MEDIA;
219: tag[3].val = "all";
220: print_otag(h, TAG_LINK, 4, tag);
221: }
1.4 kristaps 222: }
223:
1.126 schwarze 224: static void
1.132 kristaps 225: print_metaf(struct html *h, enum mandoc_esc deco)
1.88 kristaps 226: {
1.90 kristaps 227: enum htmlfont font;
1.88 kristaps 228:
229: switch (deco) {
1.132 kristaps 230: case (ESCAPE_FONTPREV):
1.90 kristaps 231: font = h->metal;
1.88 kristaps 232: break;
1.132 kristaps 233: case (ESCAPE_FONTITALIC):
1.90 kristaps 234: font = HTMLFONT_ITALIC;
235: break;
1.132 kristaps 236: case (ESCAPE_FONTBOLD):
1.90 kristaps 237: font = HTMLFONT_BOLD;
1.88 kristaps 238: break;
1.152 schwarze 239: case (ESCAPE_FONTBI):
240: font = HTMLFONT_BI;
241: break;
1.145 kristaps 242: case (ESCAPE_FONT):
243: /* FALLTHROUGH */
1.132 kristaps 244: case (ESCAPE_FONTROMAN):
1.90 kristaps 245: font = HTMLFONT_NONE;
1.88 kristaps 246: break;
247: default:
248: abort();
249: /* NOTREACHED */
250: }
251:
1.122 kristaps 252: if (h->metaf) {
253: print_tagq(h, h->metaf);
254: h->metaf = NULL;
255: }
256:
257: h->metal = h->metac;
258: h->metac = font;
259:
1.152 schwarze 260: switch (font) {
261: case (HTMLFONT_ITALIC):
262: h->metaf = print_otag(h, TAG_I, 0, NULL);
263: break;
264: case (HTMLFONT_BOLD):
265: h->metaf = print_otag(h, TAG_B, 0, NULL);
266: break;
267: case (HTMLFONT_BI):
268: h->metaf = print_otag(h, TAG_B, 0, NULL);
269: print_otag(h, TAG_I, 0, NULL);
270: break;
271: default:
272: break;
273: }
1.88 kristaps 274: }
275:
1.138 kristaps 276: int
277: html_strlen(const char *cp)
278: {
1.151 schwarze 279: size_t rsz;
280: int skip, sz;
1.138 kristaps 281:
282: /*
283: * Account for escaped sequences within string length
284: * calculations. This follows the logic in term_strlen() as we
285: * must calculate the width of produced strings.
286: * Assume that characters are always width of "1". This is
287: * hacky, but it gets the job done for approximation of widths.
288: */
289:
290: sz = 0;
1.151 schwarze 291: skip = 0;
292: while (1) {
293: rsz = strcspn(cp, "\\");
294: if (rsz) {
295: cp += rsz;
296: if (skip) {
297: skip = 0;
298: rsz--;
299: }
300: sz += rsz;
301: }
302: if ('\0' == *cp)
303: break;
304: cp++;
305: switch (mandoc_escape(&cp, NULL, NULL)) {
1.138 kristaps 306: case (ESCAPE_ERROR):
307: return(sz);
1.144 kristaps 308: case (ESCAPE_UNICODE):
309: /* FALLTHROUGH */
1.139 kristaps 310: case (ESCAPE_NUMBERED):
311: /* FALLTHROUGH */
1.138 kristaps 312: case (ESCAPE_SPECIAL):
1.151 schwarze 313: if (skip)
314: skip = 0;
315: else
316: sz++;
317: break;
318: case (ESCAPE_SKIPCHAR):
319: skip = 1;
1.138 kristaps 320: break;
321: default:
322: break;
323: }
324: }
1.151 schwarze 325: return(sz);
1.138 kristaps 326: }
1.88 kristaps 327:
1.85 kristaps 328: static int
1.88 kristaps 329: print_encode(struct html *h, const char *p, int norecurse)
1.29 kristaps 330: {
1.77 kristaps 331: size_t sz;
1.141 kristaps 332: int c, len, nospace;
1.82 kristaps 333: const char *seq;
1.132 kristaps 334: enum mandoc_esc esc;
1.154 schwarze 335: static const char rejs[8] = { '\\', '<', '>', '&',
336: ASCII_NBRSP, ASCII_HYPH, ASCII_BREAK, '\0' };
1.14 kristaps 337:
1.85 kristaps 338: nospace = 0;
339:
1.132 kristaps 340: while ('\0' != *p) {
1.151 schwarze 341: if (HTML_SKIPCHAR & h->flags && '\\' != *p) {
342: h->flags &= ~HTML_SKIPCHAR;
343: p++;
344: continue;
345: }
346:
1.100 kristaps 347: sz = strcspn(p, rejs);
1.77 kristaps 348:
349: fwrite(p, 1, sz, stdout);
1.132 kristaps 350: p += (int)sz;
1.77 kristaps 351:
1.132 kristaps 352: if ('\0' == *p)
353: break;
354:
355: switch (*p++) {
356: case ('<'):
1.82 kristaps 357: printf("<");
358: continue;
1.132 kristaps 359: case ('>'):
1.82 kristaps 360: printf(">");
361: continue;
1.132 kristaps 362: case ('&'):
1.82 kristaps 363: printf("&");
1.34 kristaps 364: continue;
1.154 schwarze 365: case (ASCII_NBRSP):
366: putchar('-');
367: continue;
1.132 kristaps 368: case (ASCII_HYPH):
1.100 kristaps 369: putchar('-');
1.154 schwarze 370: /* FALLTHROUGH */
371: case (ASCII_BREAK):
1.100 kristaps 372: continue;
1.132 kristaps 373: default:
1.77 kristaps 374: break;
1.132 kristaps 375: }
1.77 kristaps 376:
1.132 kristaps 377: esc = mandoc_escape(&p, &seq, &len);
378: if (ESCAPE_ERROR == esc)
379: break;
1.82 kristaps 380:
1.132 kristaps 381: switch (esc) {
1.151 schwarze 382: case (ESCAPE_FONT):
383: /* FALLTHROUGH */
384: case (ESCAPE_FONTPREV):
385: /* FALLTHROUGH */
386: case (ESCAPE_FONTBOLD):
387: /* FALLTHROUGH */
388: case (ESCAPE_FONTITALIC):
389: /* FALLTHROUGH */
1.152 schwarze 390: case (ESCAPE_FONTBI):
391: /* FALLTHROUGH */
1.151 schwarze 392: case (ESCAPE_FONTROMAN):
393: if (0 == norecurse)
394: print_metaf(h, esc);
395: continue;
396: case (ESCAPE_SKIPCHAR):
397: h->flags |= HTML_SKIPCHAR;
398: continue;
399: default:
400: break;
401: }
402:
403: if (h->flags & HTML_SKIPCHAR) {
404: h->flags &= ~HTML_SKIPCHAR;
405: continue;
406: }
407:
408: switch (esc) {
1.144 kristaps 409: case (ESCAPE_UNICODE):
410: /* Skip passed "u" header. */
411: c = mchars_num2uc(seq + 1, len - 1);
412: if ('\0' != c)
413: printf("&#x%x;", c);
414: break;
1.132 kristaps 415: case (ESCAPE_NUMBERED):
1.141 kristaps 416: c = mchars_num2char(seq, len);
417: if ('\0' != c)
418: putchar(c);
1.82 kristaps 419: break;
1.132 kristaps 420: case (ESCAPE_SPECIAL):
1.147 kristaps 421: c = mchars_spec2cp(h->symtab, seq, len);
422: if (c > 0)
423: printf("&#%d;", c);
424: else if (-1 == c && 1 == len)
425: putchar((int)*seq);
1.132 kristaps 426: break;
427: case (ESCAPE_NOSPACE):
428: if ('\0' == *p)
429: nospace = 1;
1.88 kristaps 430: break;
1.82 kristaps 431: default:
432: break;
433: }
1.32 kristaps 434: }
1.85 kristaps 435:
436: return(nospace);
1.14 kristaps 437: }
438:
439:
1.94 kristaps 440: static void
441: print_attr(struct html *h, const char *key, const char *val)
442: {
443: printf(" %s=\"", key);
444: (void)print_encode(h, val, 1);
445: putchar('\"');
446: }
447:
448:
1.51 kristaps 449: struct tag *
1.29 kristaps 450: print_otag(struct html *h, enum htmltag tag,
451: int sz, const struct htmlpair *p)
1.14 kristaps 452: {
1.29 kristaps 453: int i;
1.30 kristaps 454: struct tag *t;
455:
1.94 kristaps 456: /* Push this tags onto the stack of open scopes. */
457:
1.30 kristaps 458: if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
1.128 kristaps 459: t = mandoc_malloc(sizeof(struct tag));
1.30 kristaps 460: t->tag = tag;
1.66 kristaps 461: t->next = h->tags.head;
462: h->tags.head = t;
1.30 kristaps 463: } else
464: t = NULL;
1.29 kristaps 465:
466: if ( ! (HTML_NOSPACE & h->flags))
1.105 kristaps 467: if ( ! (HTML_CLRLINE & htmltags[tag].flags)) {
468: /* Manage keeps! */
469: if ( ! (HTML_KEEP & h->flags)) {
470: if (HTML_PREKEEP & h->flags)
471: h->flags |= HTML_KEEP;
472: putchar(' ');
473: } else
474: printf(" ");
475: }
1.29 kristaps 476:
1.109 kristaps 477: if ( ! (h->flags & HTML_NONOSPACE))
478: h->flags &= ~HTML_NOSPACE;
1.110 kristaps 479: else
480: h->flags |= HTML_NOSPACE;
1.109 kristaps 481:
1.94 kristaps 482: /* Print out the tag name and attributes. */
483:
1.29 kristaps 484: printf("<%s", htmltags[tag].name);
1.94 kristaps 485: for (i = 0; i < sz; i++)
486: print_attr(h, htmlattrs[p[i].key], p[i].val);
487:
488: /* Add non-overridable attributes. */
489:
490: if (TAG_HTML == tag && HTML_XHTML_1_0_STRICT == h->type) {
491: print_attr(h, "xmlns", "http://www.w3.org/1999/xhtml");
492: print_attr(h, "xml:lang", "en");
493: print_attr(h, "lang", "en");
1.29 kristaps 494: }
1.93 kristaps 495:
1.134 kristaps 496: /* Accommodate for XML "well-formed" singleton escaping. */
1.94 kristaps 497:
1.93 kristaps 498: if (HTML_AUTOCLOSE & htmltags[tag].flags)
499: switch (h->type) {
500: case (HTML_XHTML_1_0_STRICT):
501: putchar('/');
502: break;
503: default:
504: break;
505: }
506:
1.78 kristaps 507: putchar('>');
1.14 kristaps 508:
1.29 kristaps 509: h->flags |= HTML_NOSPACE;
1.117 kristaps 510:
511: if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags)
512: putchar('\n');
513:
1.30 kristaps 514: return(t);
1.14 kristaps 515: }
516:
517:
1.29 kristaps 518: static void
519: print_ctag(struct html *h, enum htmltag tag)
1.14 kristaps 520: {
521:
1.29 kristaps 522: printf("</%s>", htmltags[tag].name);
1.71 kristaps 523: if (HTML_CLRLINE & htmltags[tag].flags) {
1.29 kristaps 524: h->flags |= HTML_NOSPACE;
1.78 kristaps 525: putchar('\n');
1.87 kristaps 526: }
1.14 kristaps 527: }
528:
1.51 kristaps 529: void
1.93 kristaps 530: print_gen_decls(struct html *h)
1.1 kristaps 531: {
1.93 kristaps 532: const char *doctype;
533: const char *dtd;
1.96 kristaps 534: const char *name;
1.93 kristaps 535:
536: switch (h->type) {
537: case (HTML_HTML_4_01_STRICT):
1.96 kristaps 538: name = "HTML";
1.93 kristaps 539: doctype = "-//W3C//DTD HTML 4.01//EN";
540: dtd = "http://www.w3.org/TR/html4/strict.dtd";
541: break;
542: default:
1.141 kristaps 543: puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
1.96 kristaps 544: name = "html";
1.93 kristaps 545: doctype = "-//W3C//DTD XHTML 1.0 Strict//EN";
546: dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
547: break;
548: }
549:
1.96 kristaps 550: printf("<!DOCTYPE %s PUBLIC \"%s\" \"%s\">\n",
551: name, doctype, dtd);
1.1 kristaps 552: }
553:
1.51 kristaps 554: void
1.104 kristaps 555: print_text(struct html *h, const char *word)
1.1 kristaps 556: {
557:
1.105 kristaps 558: if ( ! (HTML_NOSPACE & h->flags)) {
559: /* Manage keeps! */
560: if ( ! (HTML_KEEP & h->flags)) {
561: if (HTML_PREKEEP & h->flags)
562: h->flags |= HTML_KEEP;
563: putchar(' ');
564: } else
565: printf(" ");
566: }
1.30 kristaps 567:
1.122 kristaps 568: assert(NULL == h->metaf);
1.152 schwarze 569: switch (h->metac) {
570: case (HTMLFONT_ITALIC):
571: h->metaf = print_otag(h, TAG_I, 0, NULL);
572: break;
573: case (HTMLFONT_BOLD):
574: h->metaf = print_otag(h, TAG_B, 0, NULL);
575: break;
576: case (HTMLFONT_BI):
577: h->metaf = print_otag(h, TAG_B, 0, NULL);
578: print_otag(h, TAG_I, 0, NULL);
579: break;
580: default:
581: break;
582: }
1.122 kristaps 583:
1.104 kristaps 584: assert(word);
1.149 kristaps 585: if ( ! print_encode(h, word, 0)) {
1.109 kristaps 586: if ( ! (h->flags & HTML_NONOSPACE))
587: h->flags &= ~HTML_NOSPACE;
1.149 kristaps 588: } else
589: h->flags |= HTML_NOSPACE;
1.122 kristaps 590:
591: if (h->metaf) {
592: print_tagq(h, h->metaf);
593: h->metaf = NULL;
594: }
1.113 schwarze 595:
596: h->flags &= ~HTML_IGNDELIM;
1.1 kristaps 597: }
1.30 kristaps 598:
599:
1.51 kristaps 600: void
1.30 kristaps 601: print_tagq(struct html *h, const struct tag *until)
602: {
603: struct tag *tag;
604:
1.66 kristaps 605: while ((tag = h->tags.head) != NULL) {
1.125 kristaps 606: /*
607: * Remember to close out and nullify the current
608: * meta-font and table, if applicable.
609: */
1.89 kristaps 610: if (tag == h->metaf)
611: h->metaf = NULL;
1.125 kristaps 612: if (tag == h->tblt)
613: h->tblt = NULL;
1.30 kristaps 614: print_ctag(h, tag->tag);
1.66 kristaps 615: h->tags.head = tag->next;
1.30 kristaps 616: free(tag);
617: if (until && tag == until)
618: return;
619: }
620: }
621:
622:
1.51 kristaps 623: void
1.30 kristaps 624: print_stagq(struct html *h, const struct tag *suntil)
625: {
626: struct tag *tag;
627:
1.66 kristaps 628: while ((tag = h->tags.head) != NULL) {
1.30 kristaps 629: if (suntil && tag == suntil)
630: return;
1.125 kristaps 631: /*
632: * Remember to close out and nullify the current
633: * meta-font and table, if applicable.
634: */
1.89 kristaps 635: if (tag == h->metaf)
636: h->metaf = NULL;
1.125 kristaps 637: if (tag == h->tblt)
638: h->tblt = NULL;
1.30 kristaps 639: print_ctag(h, tag->tag);
1.66 kristaps 640: h->tags.head = tag->next;
1.30 kristaps 641: free(tag);
642: }
643: }
1.55 kristaps 644:
645: void
646: bufinit(struct html *h)
647: {
648:
649: h->buf[0] = '\0';
650: h->buflen = 0;
651: }
652:
653: void
1.58 kristaps 654: bufcat_style(struct html *h, const char *key, const char *val)
655: {
656:
657: bufcat(h, key);
1.141 kristaps 658: bufcat(h, ":");
1.58 kristaps 659: bufcat(h, val);
1.141 kristaps 660: bufcat(h, ";");
1.58 kristaps 661: }
662:
663: void
1.55 kristaps 664: bufcat(struct html *h, const char *p)
665: {
666:
1.141 kristaps 667: h->buflen = strlcat(h->buf, p, BUFSIZ);
668: assert(h->buflen < BUFSIZ);
1.55 kristaps 669: }
670:
671: void
1.141 kristaps 672: bufcat_fmt(struct html *h, const char *fmt, ...)
1.55 kristaps 673: {
674: va_list ap;
675:
676: va_start(ap, fmt);
1.56 kristaps 677: (void)vsnprintf(h->buf + (int)h->buflen,
1.55 kristaps 678: BUFSIZ - h->buflen - 1, fmt, ap);
679: va_end(ap);
680: h->buflen = strlen(h->buf);
681: }
682:
1.141 kristaps 683: static void
1.55 kristaps 684: bufncat(struct html *h, const char *p, size_t sz)
685: {
686:
1.141 kristaps 687: assert(h->buflen + sz + 1 < BUFSIZ);
688: strncat(h->buf, p, sz);
1.55 kristaps 689: h->buflen += sz;
690: }
691:
692: void
693: buffmt_includes(struct html *h, const char *name)
694: {
695: const char *p, *pp;
696:
697: pp = h->base_includes;
1.61 kristaps 698:
1.143 kristaps 699: bufinit(h);
1.61 kristaps 700: while (NULL != (p = strchr(pp, '%'))) {
1.56 kristaps 701: bufncat(h, pp, (size_t)(p - pp));
1.55 kristaps 702: switch (*(p + 1)) {
703: case('I'):
704: bufcat(h, name);
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: }
715:
716: void
717: buffmt_man(struct html *h,
718: const char *name, const char *sec)
719: {
720: const char *p, *pp;
721:
722: pp = h->base_man;
1.61 kristaps 723:
1.143 kristaps 724: bufinit(h);
1.61 kristaps 725: while (NULL != (p = strchr(pp, '%'))) {
1.56 kristaps 726: bufncat(h, pp, (size_t)(p - pp));
1.55 kristaps 727: switch (*(p + 1)) {
728: case('S'):
1.58 kristaps 729: bufcat(h, sec ? sec : "1");
1.55 kristaps 730: break;
731: case('N'):
1.153 joerg 732: bufcat_fmt(h, "%s", name);
1.55 kristaps 733: break;
734: default:
735: bufncat(h, p, 2);
736: break;
737: }
738: pp = p + 2;
739: }
740: if (pp)
741: bufcat(h, pp);
742: }
1.58 kristaps 743:
744: void
745: bufcat_su(struct html *h, const char *p, const struct roffsu *su)
746: {
1.62 kristaps 747: double v;
1.58 kristaps 748:
749: v = su->scale;
1.140 kristaps 750: if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
751: v = 1.0;
1.58 kristaps 752:
1.141 kristaps 753: bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
1.58 kristaps 754: }
1.68 kristaps 755:
756: void
1.142 kristaps 757: bufcat_id(struct html *h, const char *src)
1.68 kristaps 758: {
759:
760: /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
761:
1.142 kristaps 762: while ('\0' != *src)
763: bufcat_fmt(h, "%.2x", *src++);
1.68 kristaps 764: }
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