d7482997 |
1 | /* |
2 | * Windows Help backend for Halibut |
d7482997 |
3 | */ |
4 | |
5 | #include <stdio.h> |
6 | #include <stdlib.h> |
50d6b4bd |
7 | #include <ctype.h> |
d7482997 |
8 | #include <assert.h> |
9 | |
10 | #include "halibut.h" |
11 | #include "winhelp.h" |
12 | |
13 | struct bk_whlp_state { |
14 | WHLP h; |
15 | indexdata *idx; |
16 | keywordlist *keywords; |
17 | WHLP_TOPIC curr_topic; |
18 | FILE *cntfp; |
19 | int cnt_last_level, cnt_workaround; |
20 | }; |
21 | |
22 | /* |
23 | * Indexes of fonts in our standard font descriptor set. |
24 | */ |
25 | enum { |
26 | FONT_NORMAL, |
27 | FONT_EMPH, |
28 | FONT_CODE, |
4b3c5afb |
29 | FONT_ITAL_CODE, |
30 | FONT_BOLD_CODE, |
d7482997 |
31 | FONT_TITLE, |
32 | FONT_TITLE_EMPH, |
33 | FONT_TITLE_CODE, |
34 | FONT_RULE |
35 | }; |
36 | |
37 | static void whlp_rdaddwc(rdstringc *rs, word *text); |
4b3c5afb |
38 | static int whlp_convert(wchar_t *s, int maxlen, |
39 | char **result, int hard_spaces); |
d7482997 |
40 | static void whlp_mkparagraph(struct bk_whlp_state *state, |
41 | int font, word *text, int subsidiary); |
42 | static void whlp_navmenu(struct bk_whlp_state *state, paragraph *p); |
43 | static void whlp_contents_write(struct bk_whlp_state *state, |
44 | int level, char *text, WHLP_TOPIC topic); |
45 | |
46 | void whlp_backend(paragraph *sourceform, keywordlist *keywords, |
47 | indexdata *idx) { |
48 | WHLP h; |
49 | char *filename, *cntname; |
50 | paragraph *p, *lastsect; |
51 | struct bk_whlp_state state; |
52 | WHLP_TOPIC contents_topic; |
53 | int i; |
7136a6c7 |
54 | int nesting; |
d7482997 |
55 | indexentry *ie; |
de967e1b |
56 | int done_contents_topic = FALSE; |
d7482997 |
57 | |
d7482997 |
58 | h = state.h = whlp_new(); |
59 | state.keywords = keywords; |
60 | state.idx = idx; |
61 | |
62 | whlp_start_macro(h, "CB(\"btn_about\",\"&About\",\"About()\")"); |
63 | whlp_start_macro(h, "CB(\"btn_up\",\"&Up\",\"Contents()\")"); |
64 | whlp_start_macro(h, "BrowseButtons()"); |
65 | |
66 | whlp_create_font(h, "Times New Roman", WHLP_FONTFAM_SERIF, 24, |
67 | 0, 0, 0, 0); |
68 | whlp_create_font(h, "Times New Roman", WHLP_FONTFAM_SERIF, 24, |
69 | WHLP_FONT_ITALIC, 0, 0, 0); |
70 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_FIXED, 24, |
71 | 0, 0, 0, 0); |
4b3c5afb |
72 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_FIXED, 24, |
73 | WHLP_FONT_ITALIC, 0, 0, 0); |
74 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_FIXED, 24, |
75 | WHLP_FONT_BOLD, 0, 0, 0); |
d7482997 |
76 | whlp_create_font(h, "Arial", WHLP_FONTFAM_SERIF, 30, |
77 | WHLP_FONT_BOLD, 0, 0, 0); |
78 | whlp_create_font(h, "Arial", WHLP_FONTFAM_SERIF, 30, |
79 | WHLP_FONT_BOLD|WHLP_FONT_ITALIC, 0, 0, 0); |
80 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_FIXED, 30, |
81 | WHLP_FONT_BOLD, 0, 0, 0); |
82 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_SANS, 18, |
83 | WHLP_FONT_STRIKEOUT, 0, 0, 0); |
84 | |
85 | /* |
86 | * Loop over the source form finding out whether the user has |
50d6b4bd |
87 | * specified particular help topic names for anything. Also |
88 | * pick out the output file name at this stage. |
d7482997 |
89 | */ |
50d6b4bd |
90 | filename = dupstr("output.hlp"); |
d7482997 |
91 | for (p = sourceform; p; p = p->next) { |
92 | p->private_data = NULL; |
93 | if (p->type == para_Config && p->parent) { |
94 | if (!ustricmp(p->keyword, L"winhelp-topic")) { |
95 | char *topicname; |
4b3c5afb |
96 | whlp_convert(uadv(p->keyword), 0, &topicname, 0); |
d7482997 |
97 | /* Store the topic name in the private_data field of the |
98 | * containing section. */ |
99 | p->parent->private_data = topicname; |
50d6b4bd |
100 | } else if (!ustricmp(p->keyword, L"winhelp-filename")) { |
101 | sfree(filename); |
102 | filename = utoa_dup(uadv(p->keyword)); |
d7482997 |
103 | } |
104 | } |
105 | } |
106 | |
107 | /* |
50d6b4bd |
108 | * Ensure the output file name has a .hlp extension. This is |
109 | * required since we must create the .cnt file in parallel with |
110 | * it. |
111 | */ |
112 | { |
113 | int len = strlen(filename); |
114 | if (len < 4 || filename[len-4] != '.' || |
115 | tolower(filename[len-3] != 'h') || |
116 | tolower(filename[len-2] != 'l') || |
117 | tolower(filename[len-1] != 'p')) { |
118 | char *newf; |
119 | newf = mknewa(char, len + 5); |
120 | sprintf(newf, "%s.hlp", filename); |
121 | sfree(filename); |
122 | filename = newf; |
123 | len = strlen(newf); |
124 | } |
125 | cntname = mknewa(char, len); |
126 | sprintf(cntname, "%.*s.cnt", len-4, filename); |
127 | } |
128 | |
129 | state.cntfp = fopen(cntname, "wb"); |
130 | state.cnt_last_level = -1; state.cnt_workaround = 0; |
131 | |
132 | /* |
d7482997 |
133 | * Loop over the source form registering WHLP_TOPICs for |
134 | * everything. |
135 | */ |
136 | |
137 | contents_topic = whlp_register_topic(h, "Top", NULL); |
138 | whlp_primary_topic(h, contents_topic); |
139 | for (p = sourceform; p; p = p->next) { |
140 | if (p->type == para_Chapter || |
141 | p->type == para_Appendix || |
142 | p->type == para_UnnumberedChapter || |
143 | p->type == para_Heading || |
144 | p->type == para_Subsect) { |
145 | char *topicid = p->private_data; |
146 | char *errstr; |
147 | |
148 | p->private_data = whlp_register_topic(h, topicid, &errstr); |
149 | if (!p->private_data) { |
150 | p->private_data = whlp_register_topic(h, NULL, NULL); |
151 | error(err_winhelp_ctxclash, &p->fpos, topicid, errstr); |
152 | } |
153 | sfree(topicid); |
154 | } |
155 | } |
156 | |
157 | /* |
158 | * Loop over the index entries, preparing final text forms for |
159 | * each one. |
160 | */ |
161 | for (i = 0; (ie = index234(idx->entries, i)) != NULL; i++) { |
162 | rdstringc rs = {0, 0, NULL}; |
163 | whlp_rdaddwc(&rs, ie->text); |
164 | ie->backend_data = rs.text; |
165 | } |
166 | |
167 | whlp_prepare(h); |
168 | |
169 | /* ------------------------------------------------------------------ |
8902e0ed |
170 | * Begin the contents page. |
d7482997 |
171 | */ |
172 | |
173 | whlp_begin_topic(h, contents_topic, "Contents", "DB(\"btn_up\")", NULL); |
174 | |
175 | /* |
176 | * The manual title goes in the non-scroll region, and also |
177 | * goes into the system title slot. |
178 | */ |
179 | { |
180 | rdstringc rs = {0, 0, NULL}; |
181 | for (p = sourceform; p; p = p->next) { |
182 | if (p->type == para_Title) { |
183 | whlp_begin_para(h, WHLP_PARA_NONSCROLL); |
184 | whlp_mkparagraph(&state, FONT_TITLE, p->words, FALSE); |
185 | whlp_rdaddwc(&rs, p->words); |
186 | whlp_end_para(h); |
187 | } |
188 | } |
189 | if (rs.text) { |
190 | whlp_title(h, rs.text); |
191 | fprintf(state.cntfp, ":Title %s\r\n", rs.text); |
192 | sfree(rs.text); |
193 | } |
194 | whlp_contents_write(&state, 1, "Title page", contents_topic); |
195 | /* FIXME: configurability in that string */ |
196 | } |
197 | |
9057a0a8 |
198 | /* |
199 | * Put the copyright into the system section. |
200 | */ |
201 | { |
202 | rdstringc rs = {0, 0, NULL}; |
203 | for (p = sourceform; p; p = p->next) { |
204 | if (p->type == para_Copyright) |
205 | whlp_rdaddwc(&rs, p->words); |
206 | } |
207 | if (rs.text) { |
208 | whlp_copyright(h, rs.text); |
209 | sfree(rs.text); |
210 | } |
211 | } |
212 | |
d7482997 |
213 | lastsect = NULL; |
214 | |
215 | /* ------------------------------------------------------------------ |
216 | * Now we've done the contents page, we're ready to go through |
217 | * and do the main manual text. Ooh. |
218 | */ |
7136a6c7 |
219 | nesting = 0; |
d7482997 |
220 | for (p = sourceform; p; p = p->next) switch (p->type) { |
221 | /* |
222 | * Things we ignore because we've already processed them or |
223 | * aren't going to touch them in this pass. |
224 | */ |
225 | case para_IM: |
226 | case para_BR: |
227 | case para_Biblio: /* only touch BiblioCited */ |
228 | case para_VersionID: |
d7482997 |
229 | case para_NoCite: |
230 | case para_Title: |
231 | break; |
232 | |
7136a6c7 |
233 | case para_LcontPush: |
2614b01d |
234 | case para_QuotePush: |
7136a6c7 |
235 | nesting++; |
236 | break; |
237 | case para_LcontPop: |
2614b01d |
238 | case para_QuotePop: |
7136a6c7 |
239 | assert(nesting > 0); |
240 | nesting--; |
241 | break; |
242 | |
d7482997 |
243 | /* |
244 | * Chapter and section titles: start a new Help topic. |
245 | */ |
246 | case para_Chapter: |
247 | case para_Appendix: |
248 | case para_UnnumberedChapter: |
249 | case para_Heading: |
250 | case para_Subsect: |
8902e0ed |
251 | |
252 | if (!done_contents_topic) { |
253 | paragraph *p; |
254 | |
255 | /* |
256 | * If this is the first section title we've seen, then |
257 | * we're currently still in the contents topic. We |
258 | * should therefore finish up the contents page by |
9057a0a8 |
259 | * writing a nav menu. |
8902e0ed |
260 | */ |
261 | for (p = sourceform; p; p = p->next) { |
262 | if (p->type == para_Chapter || |
263 | p->type == para_Appendix || |
264 | p->type == para_UnnumberedChapter) |
265 | whlp_navmenu(&state, p); |
266 | } |
267 | |
268 | state.curr_topic = contents_topic; |
269 | |
270 | done_contents_topic = TRUE; |
271 | } |
272 | |
d7482997 |
273 | if (lastsect && lastsect->child) { |
274 | paragraph *q; |
275 | /* |
276 | * Do a navigation menu for the previous section we |
277 | * were in. |
278 | */ |
279 | for (q = lastsect->child; q; q = q->sibling) |
280 | whlp_navmenu(&state, q); |
281 | } |
282 | { |
283 | rdstringc rs = {0, 0, NULL}; |
284 | WHLP_TOPIC new_topic, parent_topic; |
285 | char *macro, *topicid; |
286 | |
287 | new_topic = p->private_data; |
288 | whlp_browse_link(h, state.curr_topic, new_topic); |
289 | state.curr_topic = new_topic; |
290 | |
291 | if (p->kwtext) { |
292 | whlp_rdaddwc(&rs, p->kwtext); |
293 | rdaddsc(&rs, ": "); /* FIXME: configurability */ |
294 | } |
295 | whlp_rdaddwc(&rs, p->words); |
296 | if (p->parent == NULL) |
297 | parent_topic = contents_topic; |
298 | else |
299 | parent_topic = (WHLP_TOPIC)p->parent->private_data; |
300 | topicid = whlp_topic_id(parent_topic); |
301 | macro = smalloc(100+strlen(topicid)); |
302 | sprintf(macro, |
303 | "CBB(\"btn_up\",\"JI(`',`%s')\");EB(\"btn_up\")", |
304 | topicid); |
305 | whlp_begin_topic(h, new_topic, |
306 | rs.text ? rs.text : "", |
307 | macro, NULL); |
308 | sfree(macro); |
309 | |
310 | { |
311 | /* |
312 | * Output the .cnt entry. |
313 | * |
314 | * WinHelp has a bug involving having an internal |
315 | * node followed by a leaf at the same level: the |
316 | * leaf is output at the wrong level. We can mostly |
317 | * work around this by modifying the leaf level |
318 | * itself (see whlp_contents_write), but this |
319 | * doesn't work for top-level sections since we |
320 | * can't turn a level-1 leaf into a level-0 one. So |
321 | * for top-level leaf sections (Bibliography |
322 | * springs to mind), we output an internal node |
323 | * containing only the leaf for that section. |
324 | */ |
325 | int i; |
326 | paragraph *q; |
327 | |
328 | /* Count up the level. */ |
329 | i = 1; |
330 | for (q = p; q->parent; q = q->parent) i++; |
331 | |
332 | if (p->child || !p->parent) { |
333 | /* |
334 | * If p has children then it needs to be a |
335 | * folder; if it has no parent then it needs to |
336 | * be a folder to work around the bug. |
337 | */ |
338 | whlp_contents_write(&state, i, rs.text, NULL); |
339 | i++; |
340 | } |
341 | whlp_contents_write(&state, i, rs.text, new_topic); |
342 | } |
343 | |
344 | sfree(rs.text); |
345 | |
346 | whlp_begin_para(h, WHLP_PARA_NONSCROLL); |
347 | if (p->kwtext) { |
348 | whlp_mkparagraph(&state, FONT_TITLE, p->kwtext, FALSE); |
349 | whlp_set_font(h, FONT_TITLE); |
350 | whlp_text(h, ": "); /* FIXME: configurability */ |
351 | } |
352 | whlp_mkparagraph(&state, FONT_TITLE, p->words, FALSE); |
353 | whlp_end_para(h); |
354 | |
355 | lastsect = p; |
356 | } |
357 | break; |
358 | |
359 | case para_Rule: |
360 | whlp_para_attr(h, WHLP_PARA_SPACEBELOW, 12); |
361 | whlp_para_attr(h, WHLP_PARA_ALIGNMENT, WHLP_ALIGN_CENTRE); |
362 | whlp_begin_para(h, WHLP_PARA_SCROLL); |
363 | whlp_set_font(h, FONT_RULE); |
364 | #define TEN "\xA0\xA0\xA0\xA0\xA0\xA0\xA0\xA0\xA0\xA0" |
365 | #define TWENTY TEN TEN |
366 | #define FORTY TWENTY TWENTY |
367 | #define EIGHTY FORTY FORTY |
368 | whlp_text(h, EIGHTY); |
369 | #undef TEN |
370 | #undef TWENTY |
371 | #undef FORTY |
372 | #undef EIGHTY |
373 | whlp_end_para(h); |
374 | break; |
375 | |
376 | case para_Normal: |
9057a0a8 |
377 | case para_Copyright: |
7136a6c7 |
378 | case para_DescribedThing: |
379 | case para_Description: |
d7482997 |
380 | case para_BiblioCited: |
381 | case para_Bullet: |
382 | case para_NumberedList: |
383 | whlp_para_attr(h, WHLP_PARA_SPACEBELOW, 12); |
384 | if (p->type == para_Bullet || p->type == para_NumberedList) { |
7136a6c7 |
385 | whlp_para_attr(h, WHLP_PARA_LEFTINDENT, 72*nesting + 72); |
d7482997 |
386 | whlp_para_attr(h, WHLP_PARA_FIRSTLINEINDENT, -36); |
387 | whlp_set_tabstop(h, 72, WHLP_ALIGN_LEFT); |
388 | whlp_begin_para(h, WHLP_PARA_SCROLL); |
389 | whlp_set_font(h, FONT_NORMAL); |
390 | if (p->type == para_Bullet) { |
391 | whlp_text(h, "\x95"); |
392 | } else { |
393 | whlp_mkparagraph(&state, FONT_NORMAL, p->kwtext, FALSE); |
394 | whlp_text(h, "."); |
395 | } |
396 | whlp_tab(h); |
397 | } else { |
7136a6c7 |
398 | whlp_para_attr(h, WHLP_PARA_LEFTINDENT, |
399 | 72*nesting + (p->type==para_Description ? 72 : 0)); |
d7482997 |
400 | whlp_begin_para(h, WHLP_PARA_SCROLL); |
401 | } |
402 | |
403 | if (p->type == para_BiblioCited) { |
404 | whlp_mkparagraph(&state, FONT_NORMAL, p->kwtext, FALSE); |
405 | whlp_text(h, " "); |
406 | } |
407 | |
408 | whlp_mkparagraph(&state, FONT_NORMAL, p->words, FALSE); |
409 | whlp_end_para(h); |
410 | break; |
411 | |
412 | case para_Code: |
413 | /* |
414 | * In a code paragraph, each individual word is a line. For |
415 | * Help files, we will have to output this as a set of |
416 | * paragraphs, all but the last of which don't set |
417 | * SPACEBELOW. |
418 | */ |
419 | { |
420 | word *w; |
4b3c5afb |
421 | wchar_t *t, *e; |
d7482997 |
422 | char *c; |
4b3c5afb |
423 | |
424 | for (w = p->words; w; w = w->next) if (w->type == word_WeakCode) { |
425 | t = w->text; |
426 | if (w->next && w->next->type == word_Emph) { |
427 | w = w->next; |
428 | e = w->text; |
429 | } else |
430 | e = NULL; |
431 | |
d7482997 |
432 | if (!w->next) |
433 | whlp_para_attr(h, WHLP_PARA_SPACEBELOW, 12); |
4b3c5afb |
434 | |
7136a6c7 |
435 | whlp_para_attr(h, WHLP_PARA_LEFTINDENT, 72*nesting); |
d7482997 |
436 | whlp_begin_para(h, WHLP_PARA_SCROLL); |
4b3c5afb |
437 | while (e && *e && *t) { |
438 | int n; |
439 | int ec = *e; |
440 | |
441 | for (n = 0; t[n] && e[n] && e[n] == ec; n++); |
442 | if (ec == 'i') |
443 | whlp_set_font(h, FONT_ITAL_CODE); |
444 | else if (ec == 'b') |
445 | whlp_set_font(h, FONT_BOLD_CODE); |
446 | else |
447 | whlp_set_font(h, FONT_CODE); |
448 | whlp_convert(t, n, &c, FALSE); |
449 | whlp_text(h, c); |
450 | sfree(c); |
451 | t += n; |
452 | e += n; |
453 | } |
d7482997 |
454 | whlp_set_font(h, FONT_CODE); |
4b3c5afb |
455 | whlp_convert(t, 0, &c, FALSE); |
d7482997 |
456 | whlp_text(h, c); |
457 | sfree(c); |
458 | whlp_end_para(h); |
459 | } |
460 | } |
461 | break; |
462 | } |
463 | |
464 | fclose(state.cntfp); |
465 | whlp_close(h, filename); |
466 | |
467 | /* |
468 | * Loop over the index entries, cleaning up our final text |
469 | * forms. |
470 | */ |
471 | for (i = 0; (ie = index234(idx->entries, i)) != NULL; i++) { |
472 | sfree(ie->backend_data); |
473 | } |
50d6b4bd |
474 | |
475 | sfree(filename); |
476 | sfree(cntname); |
d7482997 |
477 | } |
478 | |
479 | static void whlp_contents_write(struct bk_whlp_state *state, |
480 | int level, char *text, WHLP_TOPIC topic) { |
481 | /* |
482 | * Horrifying bug in WinHelp. When dropping a section level or |
483 | * more without using a folder-type entry, WinHelp accidentally |
484 | * adds one to the section level. So we correct for that here. |
485 | */ |
486 | if (state->cnt_last_level > level && topic) |
487 | state->cnt_workaround = -1; |
488 | else if (!topic) |
489 | state->cnt_workaround = 0; |
490 | state->cnt_last_level = level; |
491 | |
492 | fprintf(state->cntfp, "%d ", level + state->cnt_workaround); |
493 | while (*text) { |
494 | if (*text == '=') |
495 | fputc('\\', state->cntfp); |
496 | fputc(*text, state->cntfp); |
497 | text++; |
498 | } |
499 | if (topic) |
500 | fprintf(state->cntfp, "=%s", whlp_topic_id(topic)); |
501 | fputc('\n', state->cntfp); |
502 | } |
503 | |
504 | static void whlp_navmenu(struct bk_whlp_state *state, paragraph *p) { |
505 | whlp_begin_para(state->h, WHLP_PARA_NONSCROLL); |
506 | whlp_start_hyperlink(state->h, (WHLP_TOPIC)p->private_data); |
507 | if (p->kwtext) { |
508 | whlp_mkparagraph(state, FONT_NORMAL, p->kwtext, TRUE); |
509 | whlp_set_font(state->h, FONT_NORMAL); |
510 | whlp_text(state->h, ": "); /* FIXME: configurability */ |
511 | } |
512 | whlp_mkparagraph(state, FONT_NORMAL, p->words, TRUE); |
513 | whlp_end_hyperlink(state->h); |
514 | whlp_end_para(state->h); |
515 | |
516 | } |
517 | |
518 | static void whlp_mkparagraph(struct bk_whlp_state *state, |
519 | int font, word *text, int subsidiary) { |
520 | keyword *kwl; |
521 | int deffont = font; |
522 | int currfont = -1; |
523 | int newfont; |
524 | char *c; |
525 | paragraph *xref_target = NULL; |
526 | |
527 | for (; text; text = text->next) switch (text->type) { |
528 | case word_HyperLink: |
529 | case word_HyperEnd: |
530 | break; |
531 | |
532 | case word_IndexRef: |
533 | if (subsidiary) break; /* disabled in subsidiary bits */ |
534 | { |
535 | indextag *tag = index_findtag(state->idx, text->text); |
536 | int i; |
537 | if (!tag) |
538 | break; |
539 | for (i = 0; i < tag->nrefs; i++) |
540 | whlp_index_term(state->h, tag->refs[i]->backend_data, |
541 | state->curr_topic); |
542 | } |
543 | break; |
544 | |
545 | case word_UpperXref: |
546 | case word_LowerXref: |
547 | if (subsidiary) break; /* disabled in subsidiary bits */ |
548 | kwl = kw_lookup(state->keywords, text->text); |
7cf305b7 |
549 | assert(xref_target == NULL); |
550 | if (kwl) { |
551 | if (kwl->para->type == para_NumberedList) { |
552 | break; /* don't xref to numbered list items */ |
553 | } else if (kwl->para->type == para_BiblioCited) { |
554 | /* |
555 | * An xref to a bibliography item jumps to the section |
556 | * containing it. |
557 | */ |
558 | if (kwl->para->parent) |
559 | xref_target = kwl->para->parent; |
560 | else |
561 | break; |
562 | } else { |
563 | xref_target = kwl->para; |
564 | } |
565 | whlp_start_hyperlink(state->h, |
566 | (WHLP_TOPIC)xref_target->private_data); |
567 | } |
d7482997 |
568 | break; |
569 | |
570 | case word_XrefEnd: |
571 | if (subsidiary) break; /* disabled in subsidiary bits */ |
572 | if (xref_target) |
573 | whlp_end_hyperlink(state->h); |
574 | xref_target = NULL; |
575 | break; |
576 | |
577 | case word_Normal: |
578 | case word_Emph: |
579 | case word_Code: |
580 | case word_WeakCode: |
581 | case word_WhiteSpace: |
582 | case word_EmphSpace: |
583 | case word_CodeSpace: |
584 | case word_WkCodeSpace: |
585 | case word_Quote: |
586 | case word_EmphQuote: |
587 | case word_CodeQuote: |
588 | case word_WkCodeQuote: |
589 | if (towordstyle(text->type) == word_Emph) |
590 | newfont = deffont + FONT_EMPH; |
591 | else if (towordstyle(text->type) == word_Code || |
592 | towordstyle(text->type) == word_WeakCode) |
593 | newfont = deffont + FONT_CODE; |
594 | else |
595 | newfont = deffont; |
596 | if (newfont != currfont) { |
597 | currfont = newfont; |
598 | whlp_set_font(state->h, newfont); |
599 | } |
600 | if (removeattr(text->type) == word_Normal) { |
4b3c5afb |
601 | if (whlp_convert(text->text, 0, &c, TRUE)) |
d7482997 |
602 | whlp_text(state->h, c); |
603 | else |
604 | whlp_mkparagraph(state, deffont, text->alt, FALSE); |
605 | sfree(c); |
606 | } else if (removeattr(text->type) == word_WhiteSpace) { |
607 | whlp_text(state->h, " "); |
608 | } else if (removeattr(text->type) == word_Quote) { |
609 | whlp_text(state->h, |
610 | quoteaux(text->aux) == quote_Open ? "\x91" : "\x92"); |
611 | /* FIXME: configurability */ |
612 | } |
613 | break; |
614 | } |
615 | } |
616 | |
617 | static void whlp_rdaddwc(rdstringc *rs, word *text) { |
618 | char *c; |
619 | |
620 | for (; text; text = text->next) switch (text->type) { |
621 | case word_HyperLink: |
622 | case word_HyperEnd: |
623 | case word_UpperXref: |
624 | case word_LowerXref: |
625 | case word_XrefEnd: |
626 | case word_IndexRef: |
627 | break; |
628 | |
629 | case word_Normal: |
630 | case word_Emph: |
631 | case word_Code: |
632 | case word_WeakCode: |
633 | case word_WhiteSpace: |
634 | case word_EmphSpace: |
635 | case word_CodeSpace: |
636 | case word_WkCodeSpace: |
637 | case word_Quote: |
638 | case word_EmphQuote: |
639 | case word_CodeQuote: |
640 | case word_WkCodeQuote: |
641 | assert(text->type != word_CodeQuote && |
642 | text->type != word_WkCodeQuote); |
643 | if (removeattr(text->type) == word_Normal) { |
4b3c5afb |
644 | if (whlp_convert(text->text, 0, &c, FALSE)) |
d7482997 |
645 | rdaddsc(rs, c); |
646 | else |
647 | whlp_rdaddwc(rs, text->alt); |
648 | sfree(c); |
649 | } else if (removeattr(text->type) == word_WhiteSpace) { |
650 | rdaddc(rs, ' '); |
651 | } else if (removeattr(text->type) == word_Quote) { |
652 | rdaddc(rs, quoteaux(text->aux) == quote_Open ? '\x91' : '\x92'); |
653 | /* FIXME: configurability */ |
654 | } |
655 | break; |
656 | } |
657 | } |
658 | |
659 | /* |
660 | * Convert a wide string into a string of chars. If `result' is |
661 | * non-NULL, mallocs the resulting string and stores a pointer to |
662 | * it in `*result'. If `result' is NULL, merely checks whether all |
663 | * characters in the string are feasible for the output character |
664 | * set. |
665 | * |
666 | * Return is nonzero if all characters are OK. If not all |
667 | * characters are OK but `result' is non-NULL, a result _will_ |
668 | * still be generated! |
669 | */ |
4b3c5afb |
670 | static int whlp_convert(wchar_t *s, int maxlen, |
671 | char **result, int hard_spaces) { |
d7482997 |
672 | /* |
673 | * FIXME. Currently this is ISO8859-1 only. |
674 | */ |
675 | int doing = (result != 0); |
676 | int ok = TRUE; |
677 | char *p = NULL; |
678 | int plen = 0, psize = 0; |
679 | |
4b3c5afb |
680 | if (maxlen <= 0) |
681 | maxlen = -1; |
682 | |
683 | for (; *s && maxlen != 0; s++, maxlen--) { |
d7482997 |
684 | wchar_t c = *s; |
685 | char outc; |
686 | |
687 | if ((c >= 32 && c <= 126) || |
688 | (c >= 160 && c <= 255)) { |
689 | /* Char is OK. */ |
690 | if (c == 32 && hard_spaces) |
691 | outc = '\240'; |
692 | else |
693 | outc = (char)c; |
694 | } else { |
695 | /* Char is not OK. */ |
696 | ok = FALSE; |
697 | outc = 0xBF; /* approximate the good old DEC `uh?' */ |
698 | } |
699 | if (doing) { |
700 | if (plen >= psize) { |
701 | psize = plen + 256; |
702 | p = resize(p, psize); |
703 | } |
704 | p[plen++] = outc; |
705 | } |
706 | } |
707 | if (doing) { |
708 | p = resize(p, plen+1); |
709 | p[plen] = '\0'; |
710 | *result = p; |
711 | } |
712 | return ok; |
713 | } |