Annotation of mandoc/html.c, Revision 1.186
1.186 ! schwarze 1: /* $Id: html.c,v 1.185 2015/01/21 20:33:25 schwarze Exp $ */
1.1 kristaps 2: /*
1.176 schwarze 3: * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.185 schwarze 4: * Copyright (c) 2011-2015 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:
1.82 kristaps 95: static const char *const htmlattrs[ATTR_MAX] = {
1.119 kristaps 96: "name", /* ATTR_NAME */
97: "rel", /* ATTR_REL */
98: "href", /* ATTR_HREF */
99: "type", /* ATTR_TYPE */
100: "media", /* ATTR_MEDIA */
101: "class", /* ATTR_CLASS */
102: "style", /* ATTR_STYLE */
103: "id", /* ATTR_ID */
1.125 kristaps 104: "colspan", /* ATTR_COLSPAN */
1.164 kristaps 105: "charset", /* ATTR_CHARSET */
1.173 kristaps 106: "open", /* ATTR_OPEN */
107: "close", /* ATTR_CLOSE */
1.175 kristaps 108: "mathvariant", /* ATTR_MATHVARIANT */
1.29 kristaps 109: };
1.10 kristaps 110:
1.140 kristaps 111: static const char *const roffscales[SCALE_MAX] = {
112: "cm", /* SCALE_CM */
113: "in", /* SCALE_IN */
114: "pc", /* SCALE_PC */
115: "pt", /* SCALE_PT */
116: "em", /* SCALE_EM */
117: "em", /* SCALE_MM */
118: "ex", /* SCALE_EN */
119: "ex", /* SCALE_BU */
120: "em", /* SCALE_VS */
121: "ex", /* SCALE_FS */
122: };
123:
1.141 kristaps 124: static void bufncat(struct html *, const char *, size_t);
1.184 schwarze 125: static void print_ctag(struct html *, struct tag *);
1.159 schwarze 126: static int print_escape(char);
1.141 kristaps 127: static int print_encode(struct html *, const char *, int);
128: static void print_metaf(struct html *, enum mandoc_esc);
129: static void print_attr(struct html *, const char *, const char *);
1.82 kristaps 130:
1.156 schwarze 131:
1.180 schwarze 132: void *
1.186 ! schwarze 133: html_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.10 kristaps 134: {
1.30 kristaps 135: struct html *h;
136:
1.128 kristaps 137: h = mandoc_calloc(1, sizeof(struct html));
1.10 kristaps 138:
1.66 kristaps 139: h->tags.head = NULL;
1.180 schwarze 140: h->symtab = mchars;
1.41 kristaps 141:
1.186 ! schwarze 142: h->style = outopts->style;
! 143: h->base_man = outopts->man;
! 144: h->base_includes = outopts->includes;
! 145: if (outopts->fragment)
! 146: h->oflags |= HTML_FRAGMENT;
1.43 kristaps 147:
1.30 kristaps 148: return(h);
1.29 kristaps 149: }
1.10 kristaps 150:
1.29 kristaps 151: void
152: html_free(void *p)
153: {
1.30 kristaps 154: struct tag *tag;
155: struct html *h;
156:
157: h = (struct html *)p;
1.37 kristaps 158:
1.66 kristaps 159: while ((tag = h->tags.head) != NULL) {
1.156 schwarze 160: h->tags.head = tag->next;
1.30 kristaps 161: free(tag);
162: }
1.53 kristaps 163:
1.30 kristaps 164: free(h);
1.10 kristaps 165: }
1.2 kristaps 166:
1.51 kristaps 167: void
1.29 kristaps 168: print_gen_head(struct html *h)
169: {
1.41 kristaps 170: struct htmlpair tag[4];
1.165 kristaps 171: struct tag *t;
1.41 kristaps 172:
1.164 kristaps 173: tag[0].key = ATTR_CHARSET;
174: tag[0].val = "utf-8";
175: print_otag(h, TAG_META, 1, tag);
1.165 kristaps 176:
1.168 kristaps 177: /*
178: * Print a default style-sheet.
179: */
1.165 kristaps 180: t = print_otag(h, TAG_STYLE, 0, NULL);
1.168 kristaps 181: print_text(h, "table.head, table.foot { width: 100%; }\n"
1.169 kristaps 182: "td.head-rtitle, td.foot-os { text-align: right; }\n"
1.170 kristaps 183: "td.head-vol { text-align: center; }\n"
184: "table.foot td { width: 50%; }\n"
1.171 kristaps 185: "table.head td { width: 33%; }\n"
186: "div.spacer { margin: 1em 0; }\n");
1.165 kristaps 187: print_tagq(h, t);
1.41 kristaps 188:
189: if (h->style) {
190: tag[0].key = ATTR_REL;
191: tag[0].val = "stylesheet";
192: tag[1].key = ATTR_HREF;
193: tag[1].val = h->style;
194: tag[2].key = ATTR_TYPE;
195: tag[2].val = "text/css";
196: tag[3].key = ATTR_MEDIA;
197: tag[3].val = "all";
198: print_otag(h, TAG_LINK, 4, tag);
199: }
1.4 kristaps 200: }
201:
1.126 schwarze 202: static void
1.132 kristaps 203: print_metaf(struct html *h, enum mandoc_esc deco)
1.88 kristaps 204: {
1.90 kristaps 205: enum htmlfont font;
1.88 kristaps 206:
207: switch (deco) {
1.156 schwarze 208: case ESCAPE_FONTPREV:
1.90 kristaps 209: font = h->metal;
1.88 kristaps 210: break;
1.156 schwarze 211: case ESCAPE_FONTITALIC:
1.90 kristaps 212: font = HTMLFONT_ITALIC;
213: break;
1.156 schwarze 214: case ESCAPE_FONTBOLD:
1.90 kristaps 215: font = HTMLFONT_BOLD;
1.88 kristaps 216: break;
1.156 schwarze 217: case ESCAPE_FONTBI:
1.152 schwarze 218: font = HTMLFONT_BI;
219: break;
1.156 schwarze 220: case ESCAPE_FONT:
1.145 kristaps 221: /* FALLTHROUGH */
1.156 schwarze 222: case ESCAPE_FONTROMAN:
1.90 kristaps 223: font = HTMLFONT_NONE;
1.88 kristaps 224: break;
225: default:
226: abort();
227: /* NOTREACHED */
228: }
229:
1.122 kristaps 230: if (h->metaf) {
231: print_tagq(h, h->metaf);
232: h->metaf = NULL;
233: }
234:
235: h->metal = h->metac;
236: h->metac = font;
237:
1.152 schwarze 238: switch (font) {
1.156 schwarze 239: case HTMLFONT_ITALIC:
1.152 schwarze 240: h->metaf = print_otag(h, TAG_I, 0, NULL);
241: break;
1.156 schwarze 242: case HTMLFONT_BOLD:
1.152 schwarze 243: h->metaf = print_otag(h, TAG_B, 0, NULL);
244: break;
1.156 schwarze 245: case HTMLFONT_BI:
1.152 schwarze 246: h->metaf = print_otag(h, TAG_B, 0, NULL);
247: print_otag(h, TAG_I, 0, NULL);
248: break;
249: default:
250: break;
251: }
1.88 kristaps 252: }
253:
1.138 kristaps 254: int
255: html_strlen(const char *cp)
256: {
1.151 schwarze 257: size_t rsz;
258: int skip, sz;
1.138 kristaps 259:
260: /*
261: * Account for escaped sequences within string length
262: * calculations. This follows the logic in term_strlen() as we
263: * must calculate the width of produced strings.
264: * Assume that characters are always width of "1". This is
265: * hacky, but it gets the job done for approximation of widths.
266: */
267:
268: sz = 0;
1.151 schwarze 269: skip = 0;
270: while (1) {
271: rsz = strcspn(cp, "\\");
272: if (rsz) {
273: cp += rsz;
274: if (skip) {
275: skip = 0;
276: rsz--;
277: }
278: sz += rsz;
279: }
280: if ('\0' == *cp)
281: break;
282: cp++;
283: switch (mandoc_escape(&cp, NULL, NULL)) {
1.156 schwarze 284: case ESCAPE_ERROR:
1.138 kristaps 285: return(sz);
1.156 schwarze 286: case ESCAPE_UNICODE:
1.144 kristaps 287: /* FALLTHROUGH */
1.156 schwarze 288: case ESCAPE_NUMBERED:
1.139 kristaps 289: /* FALLTHROUGH */
1.156 schwarze 290: case ESCAPE_SPECIAL:
1.185 schwarze 291: /* FALLTHROUGH */
292: case ESCAPE_OVERSTRIKE:
1.151 schwarze 293: if (skip)
294: skip = 0;
295: else
296: sz++;
297: break;
1.156 schwarze 298: case ESCAPE_SKIPCHAR:
1.151 schwarze 299: skip = 1;
1.138 kristaps 300: break;
301: default:
302: break;
303: }
304: }
1.151 schwarze 305: return(sz);
1.138 kristaps 306: }
1.88 kristaps 307:
1.85 kristaps 308: static int
1.159 schwarze 309: print_escape(char c)
310: {
311:
312: switch (c) {
313: case '<':
314: printf("<");
315: break;
316: case '>':
317: printf(">");
318: break;
319: case '&':
320: printf("&");
321: break;
322: case '"':
323: printf(""");
324: break;
325: case ASCII_NBRSP:
326: putchar('-');
327: break;
328: case ASCII_HYPH:
329: putchar('-');
330: /* FALLTHROUGH */
331: case ASCII_BREAK:
332: break;
333: default:
334: return(0);
335: }
336: return(1);
337: }
338:
339: static int
1.88 kristaps 340: print_encode(struct html *h, const char *p, int norecurse)
1.29 kristaps 341: {
1.77 kristaps 342: size_t sz;
1.141 kristaps 343: int c, len, nospace;
1.82 kristaps 344: const char *seq;
1.132 kristaps 345: enum mandoc_esc esc;
1.158 schwarze 346: static const char rejs[9] = { '\\', '<', '>', '&', '"',
1.154 schwarze 347: ASCII_NBRSP, ASCII_HYPH, ASCII_BREAK, '\0' };
1.14 kristaps 348:
1.85 kristaps 349: nospace = 0;
350:
1.132 kristaps 351: while ('\0' != *p) {
1.151 schwarze 352: if (HTML_SKIPCHAR & h->flags && '\\' != *p) {
353: h->flags &= ~HTML_SKIPCHAR;
354: p++;
355: continue;
356: }
357:
1.100 kristaps 358: sz = strcspn(p, rejs);
1.77 kristaps 359:
360: fwrite(p, 1, sz, stdout);
1.132 kristaps 361: p += (int)sz;
1.77 kristaps 362:
1.132 kristaps 363: if ('\0' == *p)
364: break;
365:
1.159 schwarze 366: if (print_escape(*p++))
1.154 schwarze 367: continue;
1.77 kristaps 368:
1.132 kristaps 369: esc = mandoc_escape(&p, &seq, &len);
370: if (ESCAPE_ERROR == esc)
371: break;
1.82 kristaps 372:
1.132 kristaps 373: switch (esc) {
1.156 schwarze 374: case ESCAPE_FONT:
1.151 schwarze 375: /* FALLTHROUGH */
1.156 schwarze 376: case ESCAPE_FONTPREV:
1.151 schwarze 377: /* FALLTHROUGH */
1.156 schwarze 378: case ESCAPE_FONTBOLD:
1.151 schwarze 379: /* FALLTHROUGH */
1.156 schwarze 380: case ESCAPE_FONTITALIC:
1.151 schwarze 381: /* FALLTHROUGH */
1.156 schwarze 382: case ESCAPE_FONTBI:
1.152 schwarze 383: /* FALLTHROUGH */
1.156 schwarze 384: case ESCAPE_FONTROMAN:
1.151 schwarze 385: if (0 == norecurse)
386: print_metaf(h, esc);
387: continue;
1.156 schwarze 388: case ESCAPE_SKIPCHAR:
1.151 schwarze 389: h->flags |= HTML_SKIPCHAR;
390: continue;
391: default:
392: break;
393: }
394:
395: if (h->flags & HTML_SKIPCHAR) {
396: h->flags &= ~HTML_SKIPCHAR;
397: continue;
398: }
399:
400: switch (esc) {
1.156 schwarze 401: case ESCAPE_UNICODE:
1.159 schwarze 402: /* Skip past "u" header. */
1.144 kristaps 403: c = mchars_num2uc(seq + 1, len - 1);
404: break;
1.156 schwarze 405: case ESCAPE_NUMBERED:
1.141 kristaps 406: c = mchars_num2char(seq, len);
1.181 schwarze 407: if (c < 0)
408: continue;
1.82 kristaps 409: break;
1.156 schwarze 410: case ESCAPE_SPECIAL:
1.147 kristaps 411: c = mchars_spec2cp(h->symtab, seq, len);
1.181 schwarze 412: if (c <= 0)
413: continue;
1.132 kristaps 414: break;
1.156 schwarze 415: case ESCAPE_NOSPACE:
1.132 kristaps 416: if ('\0' == *p)
417: nospace = 1;
1.179 schwarze 418: continue;
1.185 schwarze 419: case ESCAPE_OVERSTRIKE:
420: if (len == 0)
421: continue;
422: c = seq[len - 1];
423: break;
1.82 kristaps 424: default:
1.179 schwarze 425: continue;
1.82 kristaps 426: }
1.181 schwarze 427: if ((c < 0x20 && c != 0x09) ||
428: (c > 0x7E && c < 0xA0))
1.179 schwarze 429: c = 0xFFFD;
430: if (c > 0x7E)
431: printf("&#%d;", c);
432: else if ( ! print_escape(c))
433: putchar(c);
1.32 kristaps 434: }
1.85 kristaps 435:
436: return(nospace);
1.14 kristaps 437: }
438:
1.94 kristaps 439: static void
440: print_attr(struct html *h, const char *key, const char *val)
441: {
442: printf(" %s=\"", key);
443: (void)print_encode(h, val, 1);
444: putchar('\"');
445: }
446:
1.51 kristaps 447: struct tag *
1.156 schwarze 448: print_otag(struct html *h, enum htmltag tag,
1.29 kristaps 449: int sz, const struct htmlpair *p)
1.14 kristaps 450: {
1.29 kristaps 451: int i;
1.30 kristaps 452: struct tag *t;
453:
1.94 kristaps 454: /* Push this tags onto the stack of open scopes. */
455:
1.30 kristaps 456: if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
1.128 kristaps 457: t = mandoc_malloc(sizeof(struct tag));
1.30 kristaps 458: t->tag = tag;
1.66 kristaps 459: t->next = h->tags.head;
460: h->tags.head = t;
1.30 kristaps 461: } else
462: t = NULL;
1.29 kristaps 463:
464: if ( ! (HTML_NOSPACE & h->flags))
1.105 kristaps 465: if ( ! (HTML_CLRLINE & htmltags[tag].flags)) {
466: /* Manage keeps! */
467: if ( ! (HTML_KEEP & h->flags)) {
468: if (HTML_PREKEEP & h->flags)
469: h->flags |= HTML_KEEP;
470: putchar(' ');
471: } else
472: printf(" ");
473: }
1.29 kristaps 474:
1.109 kristaps 475: if ( ! (h->flags & HTML_NONOSPACE))
476: h->flags &= ~HTML_NOSPACE;
1.110 kristaps 477: else
478: h->flags |= HTML_NOSPACE;
1.109 kristaps 479:
1.94 kristaps 480: /* Print out the tag name and attributes. */
481:
1.29 kristaps 482: printf("<%s", htmltags[tag].name);
1.94 kristaps 483: for (i = 0; i < sz; i++)
484: print_attr(h, htmlattrs[p[i].key], p[i].val);
485:
1.172 kristaps 486: /* Accommodate for "well-formed" singleton escaping. */
1.94 kristaps 487:
1.93 kristaps 488: if (HTML_AUTOCLOSE & htmltags[tag].flags)
1.172 kristaps 489: putchar('/');
1.93 kristaps 490:
1.78 kristaps 491: putchar('>');
1.14 kristaps 492:
1.29 kristaps 493: h->flags |= HTML_NOSPACE;
1.117 kristaps 494:
495: if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags)
496: putchar('\n');
497:
1.30 kristaps 498: return(t);
1.14 kristaps 499: }
500:
1.29 kristaps 501: static void
1.184 schwarze 502: print_ctag(struct html *h, struct tag *tag)
1.14 kristaps 503: {
1.156 schwarze 504:
1.184 schwarze 505: /*
506: * Remember to close out and nullify the current
507: * meta-font and table, if applicable.
508: */
509: if (tag == h->metaf)
510: h->metaf = NULL;
511: if (tag == h->tblt)
512: h->tblt = NULL;
513:
514: printf("</%s>", htmltags[tag->tag].name);
515: if (HTML_CLRLINE & htmltags[tag->tag].flags) {
1.29 kristaps 516: h->flags |= HTML_NOSPACE;
1.78 kristaps 517: putchar('\n');
1.156 schwarze 518: }
1.184 schwarze 519:
520: h->tags.head = tag->next;
521: free(tag);
1.14 kristaps 522: }
523:
1.51 kristaps 524: void
1.93 kristaps 525: print_gen_decls(struct html *h)
1.1 kristaps 526: {
1.93 kristaps 527:
1.164 kristaps 528: puts("<!DOCTYPE html>");
1.1 kristaps 529: }
530:
1.51 kristaps 531: void
1.104 kristaps 532: print_text(struct html *h, const char *word)
1.1 kristaps 533: {
534:
1.105 kristaps 535: if ( ! (HTML_NOSPACE & h->flags)) {
536: /* Manage keeps! */
537: if ( ! (HTML_KEEP & h->flags)) {
538: if (HTML_PREKEEP & h->flags)
539: h->flags |= HTML_KEEP;
540: putchar(' ');
541: } else
542: printf(" ");
543: }
1.30 kristaps 544:
1.122 kristaps 545: assert(NULL == h->metaf);
1.152 schwarze 546: switch (h->metac) {
1.156 schwarze 547: case HTMLFONT_ITALIC:
1.152 schwarze 548: h->metaf = print_otag(h, TAG_I, 0, NULL);
549: break;
1.156 schwarze 550: case HTMLFONT_BOLD:
1.152 schwarze 551: h->metaf = print_otag(h, TAG_B, 0, NULL);
552: break;
1.156 schwarze 553: case HTMLFONT_BI:
1.152 schwarze 554: h->metaf = print_otag(h, TAG_B, 0, NULL);
555: print_otag(h, TAG_I, 0, NULL);
556: break;
557: default:
558: break;
559: }
1.122 kristaps 560:
1.104 kristaps 561: assert(word);
1.149 kristaps 562: if ( ! print_encode(h, word, 0)) {
1.109 kristaps 563: if ( ! (h->flags & HTML_NONOSPACE))
564: h->flags &= ~HTML_NOSPACE;
1.183 schwarze 565: h->flags &= ~HTML_NONEWLINE;
1.149 kristaps 566: } else
1.183 schwarze 567: h->flags |= HTML_NOSPACE | HTML_NONEWLINE;
1.122 kristaps 568:
569: if (h->metaf) {
570: print_tagq(h, h->metaf);
571: h->metaf = NULL;
572: }
1.113 schwarze 573:
574: h->flags &= ~HTML_IGNDELIM;
1.1 kristaps 575: }
1.30 kristaps 576:
1.51 kristaps 577: void
1.30 kristaps 578: print_tagq(struct html *h, const struct tag *until)
579: {
580: struct tag *tag;
581:
1.66 kristaps 582: while ((tag = h->tags.head) != NULL) {
1.184 schwarze 583: print_ctag(h, tag);
1.30 kristaps 584: if (until && tag == until)
585: return;
586: }
587: }
588:
1.51 kristaps 589: void
1.30 kristaps 590: print_stagq(struct html *h, const struct tag *suntil)
591: {
592: struct tag *tag;
593:
1.66 kristaps 594: while ((tag = h->tags.head) != NULL) {
1.30 kristaps 595: if (suntil && tag == suntil)
596: return;
1.184 schwarze 597: print_ctag(h, tag);
1.30 kristaps 598: }
599: }
1.171 kristaps 600:
601: void
602: print_paragraph(struct html *h)
603: {
604: struct tag *t;
605: struct htmlpair tag;
606:
607: PAIR_CLASS_INIT(&tag, "spacer");
608: t = print_otag(h, TAG_DIV, 1, &tag);
609: print_tagq(h, t);
610: }
611:
1.55 kristaps 612:
613: void
614: bufinit(struct html *h)
615: {
616:
617: h->buf[0] = '\0';
618: h->buflen = 0;
619: }
620:
621: void
1.58 kristaps 622: bufcat_style(struct html *h, const char *key, const char *val)
623: {
624:
625: bufcat(h, key);
1.141 kristaps 626: bufcat(h, ":");
1.58 kristaps 627: bufcat(h, val);
1.141 kristaps 628: bufcat(h, ";");
1.58 kristaps 629: }
630:
631: void
1.55 kristaps 632: bufcat(struct html *h, const char *p)
633: {
1.157 schwarze 634:
635: /*
636: * XXX This is broken and not easy to fix.
637: * When using the -Oincludes option, buffmt_includes()
638: * may pass in strings overrunning BUFSIZ, causing a crash.
639: */
1.55 kristaps 640:
1.141 kristaps 641: h->buflen = strlcat(h->buf, p, BUFSIZ);
642: assert(h->buflen < BUFSIZ);
1.55 kristaps 643: }
644:
645: void
1.141 kristaps 646: bufcat_fmt(struct html *h, const char *fmt, ...)
1.55 kristaps 647: {
648: va_list ap;
649:
650: va_start(ap, fmt);
1.156 schwarze 651: (void)vsnprintf(h->buf + (int)h->buflen,
652: BUFSIZ - h->buflen - 1, fmt, ap);
1.55 kristaps 653: va_end(ap);
654: h->buflen = strlen(h->buf);
655: }
656:
1.141 kristaps 657: static void
1.55 kristaps 658: bufncat(struct html *h, const char *p, size_t sz)
659: {
660:
1.141 kristaps 661: assert(h->buflen + sz + 1 < BUFSIZ);
662: strncat(h->buf, p, sz);
1.55 kristaps 663: h->buflen += sz;
664: }
665:
666: void
667: buffmt_includes(struct html *h, const char *name)
668: {
669: const char *p, *pp;
670:
671: pp = h->base_includes;
1.156 schwarze 672:
1.143 kristaps 673: bufinit(h);
1.61 kristaps 674: while (NULL != (p = strchr(pp, '%'))) {
1.56 kristaps 675: bufncat(h, pp, (size_t)(p - pp));
1.55 kristaps 676: switch (*(p + 1)) {
1.156 schwarze 677: case'I':
1.55 kristaps 678: bufcat(h, name);
679: break;
680: default:
681: bufncat(h, p, 2);
682: break;
683: }
684: pp = p + 2;
685: }
686: if (pp)
687: bufcat(h, pp);
688: }
689:
690: void
1.156 schwarze 691: buffmt_man(struct html *h, const char *name, const char *sec)
1.55 kristaps 692: {
693: const char *p, *pp;
694:
695: pp = h->base_man;
1.156 schwarze 696:
1.143 kristaps 697: bufinit(h);
1.61 kristaps 698: while (NULL != (p = strchr(pp, '%'))) {
1.56 kristaps 699: bufncat(h, pp, (size_t)(p - pp));
1.55 kristaps 700: switch (*(p + 1)) {
1.156 schwarze 701: case 'S':
1.58 kristaps 702: bufcat(h, sec ? sec : "1");
1.55 kristaps 703: break;
1.156 schwarze 704: case 'N':
1.153 joerg 705: bufcat_fmt(h, "%s", name);
1.55 kristaps 706: break;
707: default:
708: bufncat(h, p, 2);
709: break;
710: }
711: pp = p + 2;
712: }
713: if (pp)
714: bufcat(h, pp);
715: }
1.58 kristaps 716:
717: void
718: bufcat_su(struct html *h, const char *p, const struct roffsu *su)
719: {
1.62 kristaps 720: double v;
1.58 kristaps 721:
722: v = su->scale;
1.140 kristaps 723: if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
724: v = 1.0;
1.162 kristaps 725: else if (SCALE_BU == su->unit)
726: v /= 24.0;
1.58 kristaps 727:
1.141 kristaps 728: bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
1.58 kristaps 729: }
1.68 kristaps 730:
731: void
1.142 kristaps 732: bufcat_id(struct html *h, const char *src)
1.68 kristaps 733: {
734:
735: /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
736:
1.142 kristaps 737: while ('\0' != *src)
738: bufcat_fmt(h, "%.2x", *src++);
1.68 kristaps 739: }
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