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; |
08e78486 |
18 | int charset; |
19 | charset_state cstate; |
d7482997 |
20 | FILE *cntfp; |
21 | int cnt_last_level, cnt_workaround; |
22 | }; |
23 | |
08e78486 |
24 | typedef struct { |
25 | int charset; |
26 | wchar_t *bullet, *lquote, *rquote, *titlepage, *sectsuffix, *listsuffix; |
27 | char *filename; |
28 | } whlpconf; |
29 | |
d7482997 |
30 | /* |
31 | * Indexes of fonts in our standard font descriptor set. |
32 | */ |
33 | enum { |
34 | FONT_NORMAL, |
35 | FONT_EMPH, |
36 | FONT_CODE, |
4b3c5afb |
37 | FONT_ITAL_CODE, |
38 | FONT_BOLD_CODE, |
d7482997 |
39 | FONT_TITLE, |
40 | FONT_TITLE_EMPH, |
41 | FONT_TITLE_CODE, |
42 | FONT_RULE |
43 | }; |
44 | |
08e78486 |
45 | static void whlp_rdaddwc(rdstringc *rs, word *text, whlpconf *conf, |
46 | charset_state *state); |
47 | static void whlp_rdadds(rdstringc *rs, const wchar_t *text, whlpconf *conf, |
48 | charset_state *state); |
d7482997 |
49 | static void whlp_mkparagraph(struct bk_whlp_state *state, |
08e78486 |
50 | int font, word *text, int subsidiary, |
51 | whlpconf *conf); |
52 | static void whlp_navmenu(struct bk_whlp_state *state, paragraph *p, |
53 | whlpconf *conf); |
d7482997 |
54 | static void whlp_contents_write(struct bk_whlp_state *state, |
55 | int level, char *text, WHLP_TOPIC topic); |
08e78486 |
56 | static void whlp_wtext(struct bk_whlp_state *state, const wchar_t *text); |
d7482997 |
57 | |
ba9c1487 |
58 | paragraph *whlp_config_filename(char *filename) |
59 | { |
e4ea58f8 |
60 | return cmdline_cfg_simple("winhelp-filename", filename, NULL); |
ba9c1487 |
61 | } |
62 | |
08e78486 |
63 | static whlpconf whlp_configure(paragraph *source) { |
64 | paragraph *p; |
65 | whlpconf ret; |
66 | |
67 | /* |
68 | * Defaults. |
69 | */ |
70 | ret.charset = CS_CP1252; |
71 | ret.bullet = L"\x2022\0-\0\0"; |
72 | ret.lquote = L"\x2018\0\x2019\0\"\0\"\0\0"; |
73 | ret.rquote = uadv(ret.lquote); |
74 | ret.filename = dupstr("output.hlp"); |
75 | ret.titlepage = L"Title page"; |
76 | ret.sectsuffix = L": "; |
77 | ret.listsuffix = L"."; |
78 | |
79 | /* |
80 | * Two-pass configuration so that we can pick up global config |
81 | * (e.g. `quotes') before having it overridden by specific |
82 | * config (`win-quotes'), irrespective of the order in which |
83 | * they occur. |
84 | */ |
85 | for (p = source; p; p = p->next) { |
86 | if (p->type == para_Config) { |
87 | if (!ustricmp(p->keyword, L"quotes")) { |
88 | if (*uadv(p->keyword) && *uadv(uadv(p->keyword))) { |
89 | ret.lquote = uadv(p->keyword); |
90 | ret.rquote = uadv(ret.lquote); |
91 | } |
92 | } |
93 | } |
94 | } |
95 | |
96 | for (p = source; p; p = p->next) { |
97 | p->private_data = NULL; |
98 | if (p->type == para_Config) { |
99 | /* |
100 | * In principle we should support a `winhelp-charset' |
101 | * here. We don't, because my WinHelp output code |
102 | * doesn't know how to change character set. Once I |
103 | * find out, I'll support it. |
104 | */ |
105 | if (p->parent && !ustricmp(p->keyword, L"winhelp-topic")) { |
106 | /* Store the topic name in the private_data field of the |
107 | * containing section. */ |
108 | p->parent->private_data = uadv(p->keyword); |
109 | } else if (!ustricmp(p->keyword, L"winhelp-filename")) { |
110 | sfree(ret.filename); |
111 | ret.filename = dupstr(adv(p->origkeyword)); |
112 | } else if (!ustricmp(p->keyword, L"winhelp-bullet")) { |
113 | ret.bullet = uadv(p->keyword); |
114 | } else if (!ustricmp(p->keyword, L"winhelp-section-suffix")) { |
115 | ret.sectsuffix = uadv(p->keyword); |
116 | } else if (!ustricmp(p->keyword, L"winhelp-list-suffix")) { |
117 | ret.listsuffix = uadv(p->keyword); |
118 | } else if (!ustricmp(p->keyword, L"winhelp-contents-titlepage")) { |
119 | ret.titlepage = uadv(p->keyword); |
120 | } else if (!ustricmp(p->keyword, L"winhelp-quotes")) { |
121 | if (*uadv(p->keyword) && *uadv(uadv(p->keyword))) { |
122 | ret.lquote = uadv(p->keyword); |
123 | ret.rquote = uadv(ret.lquote); |
124 | } |
125 | } |
126 | } |
127 | } |
128 | |
129 | /* |
130 | * Now process fallbacks on quote characters and bullets. |
131 | */ |
132 | while (*uadv(ret.rquote) && *uadv(uadv(ret.rquote)) && |
133 | (!cvt_ok(ret.charset, ret.lquote) || |
134 | !cvt_ok(ret.charset, ret.rquote))) { |
135 | ret.lquote = uadv(ret.rquote); |
136 | ret.rquote = uadv(ret.lquote); |
137 | } |
138 | |
139 | while (*ret.bullet && *uadv(ret.bullet) && |
140 | !cvt_ok(ret.charset, ret.bullet)) |
141 | ret.bullet = uadv(ret.bullet); |
142 | |
143 | return ret; |
144 | } |
145 | |
d7482997 |
146 | void whlp_backend(paragraph *sourceform, keywordlist *keywords, |
43341922 |
147 | indexdata *idx, void *unused) { |
d7482997 |
148 | WHLP h; |
08e78486 |
149 | char *cntname; |
d7482997 |
150 | paragraph *p, *lastsect; |
151 | struct bk_whlp_state state; |
152 | WHLP_TOPIC contents_topic; |
153 | int i; |
7136a6c7 |
154 | int nesting; |
d7482997 |
155 | indexentry *ie; |
de967e1b |
156 | int done_contents_topic = FALSE; |
08e78486 |
157 | whlpconf conf; |
d7482997 |
158 | |
43341922 |
159 | IGNORE(unused); |
160 | |
d7482997 |
161 | h = state.h = whlp_new(); |
162 | state.keywords = keywords; |
163 | state.idx = idx; |
164 | |
165 | whlp_start_macro(h, "CB(\"btn_about\",\"&About\",\"About()\")"); |
166 | whlp_start_macro(h, "CB(\"btn_up\",\"&Up\",\"Contents()\")"); |
167 | whlp_start_macro(h, "BrowseButtons()"); |
168 | |
169 | whlp_create_font(h, "Times New Roman", WHLP_FONTFAM_SERIF, 24, |
170 | 0, 0, 0, 0); |
171 | whlp_create_font(h, "Times New Roman", WHLP_FONTFAM_SERIF, 24, |
172 | WHLP_FONT_ITALIC, 0, 0, 0); |
173 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_FIXED, 24, |
174 | 0, 0, 0, 0); |
4b3c5afb |
175 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_FIXED, 24, |
176 | WHLP_FONT_ITALIC, 0, 0, 0); |
177 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_FIXED, 24, |
178 | WHLP_FONT_BOLD, 0, 0, 0); |
d7482997 |
179 | whlp_create_font(h, "Arial", WHLP_FONTFAM_SERIF, 30, |
180 | WHLP_FONT_BOLD, 0, 0, 0); |
181 | whlp_create_font(h, "Arial", WHLP_FONTFAM_SERIF, 30, |
182 | WHLP_FONT_BOLD|WHLP_FONT_ITALIC, 0, 0, 0); |
183 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_FIXED, 30, |
184 | WHLP_FONT_BOLD, 0, 0, 0); |
185 | whlp_create_font(h, "Courier New", WHLP_FONTFAM_SANS, 18, |
186 | WHLP_FONT_STRIKEOUT, 0, 0, 0); |
187 | |
08e78486 |
188 | conf = whlp_configure(sourceform); |
189 | |
190 | state.charset = conf.charset; |
d7482997 |
191 | |
192 | /* |
50d6b4bd |
193 | * Ensure the output file name has a .hlp extension. This is |
194 | * required since we must create the .cnt file in parallel with |
195 | * it. |
196 | */ |
197 | { |
08e78486 |
198 | int len = strlen(conf.filename); |
199 | if (len < 4 || conf.filename[len-4] != '.' || |
200 | tolower(conf.filename[len-3] != 'h') || |
201 | tolower(conf.filename[len-2] != 'l') || |
202 | tolower(conf.filename[len-1] != 'p')) { |
50d6b4bd |
203 | char *newf; |
204 | newf = mknewa(char, len + 5); |
08e78486 |
205 | sprintf(newf, "%s.hlp", conf.filename); |
206 | sfree(conf.filename); |
207 | conf.filename = newf; |
50d6b4bd |
208 | len = strlen(newf); |
209 | } |
e4ea58f8 |
210 | cntname = mknewa(char, len+1); |
08e78486 |
211 | sprintf(cntname, "%.*s.cnt", len-4, conf.filename); |
50d6b4bd |
212 | } |
213 | |
214 | state.cntfp = fopen(cntname, "wb"); |
215 | state.cnt_last_level = -1; state.cnt_workaround = 0; |
216 | |
217 | /* |
d7482997 |
218 | * Loop over the source form registering WHLP_TOPICs for |
219 | * everything. |
220 | */ |
221 | |
222 | contents_topic = whlp_register_topic(h, "Top", NULL); |
223 | whlp_primary_topic(h, contents_topic); |
224 | for (p = sourceform; p; p = p->next) { |
225 | if (p->type == para_Chapter || |
226 | p->type == para_Appendix || |
227 | p->type == para_UnnumberedChapter || |
228 | p->type == para_Heading || |
229 | p->type == para_Subsect) { |
08e78486 |
230 | |
231 | rdstringc rs = { 0, 0, NULL }; |
d7482997 |
232 | char *errstr; |
233 | |
08e78486 |
234 | whlp_rdadds(&rs, (wchar_t *)p->private_data, &conf, NULL); |
235 | |
236 | p->private_data = whlp_register_topic(h, rs.text, &errstr); |
d7482997 |
237 | if (!p->private_data) { |
238 | p->private_data = whlp_register_topic(h, NULL, NULL); |
08e78486 |
239 | error(err_winhelp_ctxclash, &p->fpos, rs.text, errstr); |
d7482997 |
240 | } |
08e78486 |
241 | sfree(rs.text); |
d7482997 |
242 | } |
243 | } |
244 | |
245 | /* |
246 | * Loop over the index entries, preparing final text forms for |
247 | * each one. |
248 | */ |
249 | for (i = 0; (ie = index234(idx->entries, i)) != NULL; i++) { |
250 | rdstringc rs = {0, 0, NULL}; |
08e78486 |
251 | whlp_rdaddwc(&rs, ie->text, &conf, NULL); |
d7482997 |
252 | ie->backend_data = rs.text; |
253 | } |
254 | |
255 | whlp_prepare(h); |
256 | |
257 | /* ------------------------------------------------------------------ |
8902e0ed |
258 | * Begin the contents page. |
d7482997 |
259 | */ |
260 | |
261 | whlp_begin_topic(h, contents_topic, "Contents", "DB(\"btn_up\")", NULL); |
262 | |
263 | /* |
264 | * The manual title goes in the non-scroll region, and also |
265 | * goes into the system title slot. |
266 | */ |
267 | { |
268 | rdstringc rs = {0, 0, NULL}; |
269 | for (p = sourceform; p; p = p->next) { |
270 | if (p->type == para_Title) { |
271 | whlp_begin_para(h, WHLP_PARA_NONSCROLL); |
08e78486 |
272 | state.cstate = charset_init_state; |
273 | whlp_mkparagraph(&state, FONT_TITLE, p->words, FALSE, &conf); |
274 | whlp_wtext(&state, NULL); |
d7482997 |
275 | whlp_end_para(h); |
08e78486 |
276 | whlp_rdaddwc(&rs, p->words, &conf, NULL); |
d7482997 |
277 | } |
278 | } |
279 | if (rs.text) { |
280 | whlp_title(h, rs.text); |
281 | fprintf(state.cntfp, ":Title %s\r\n", rs.text); |
282 | sfree(rs.text); |
283 | } |
08e78486 |
284 | { |
285 | rdstringc rs2 = {0,0,NULL}; |
286 | whlp_rdadds(&rs2, conf.titlepage, &conf, NULL); |
287 | whlp_contents_write(&state, 1, rs2.text, contents_topic); |
288 | sfree(rs2.text); |
289 | } |
d7482997 |
290 | } |
291 | |
9057a0a8 |
292 | /* |
293 | * Put the copyright into the system section. |
294 | */ |
295 | { |
296 | rdstringc rs = {0, 0, NULL}; |
297 | for (p = sourceform; p; p = p->next) { |
298 | if (p->type == para_Copyright) |
08e78486 |
299 | whlp_rdaddwc(&rs, p->words, &conf, NULL); |
9057a0a8 |
300 | } |
301 | if (rs.text) { |
302 | whlp_copyright(h, rs.text); |
303 | sfree(rs.text); |
304 | } |
305 | } |
306 | |
d7482997 |
307 | lastsect = NULL; |
308 | |
309 | /* ------------------------------------------------------------------ |
310 | * Now we've done the contents page, we're ready to go through |
311 | * and do the main manual text. Ooh. |
312 | */ |
7136a6c7 |
313 | nesting = 0; |
d7482997 |
314 | for (p = sourceform; p; p = p->next) switch (p->type) { |
315 | /* |
316 | * Things we ignore because we've already processed them or |
317 | * aren't going to touch them in this pass. |
318 | */ |
319 | case para_IM: |
320 | case para_BR: |
321 | case para_Biblio: /* only touch BiblioCited */ |
322 | case para_VersionID: |
d7482997 |
323 | case para_NoCite: |
324 | case para_Title: |
325 | break; |
326 | |
7136a6c7 |
327 | case para_LcontPush: |
2614b01d |
328 | case para_QuotePush: |
7136a6c7 |
329 | nesting++; |
330 | break; |
331 | case para_LcontPop: |
2614b01d |
332 | case para_QuotePop: |
7136a6c7 |
333 | assert(nesting > 0); |
334 | nesting--; |
335 | break; |
336 | |
d7482997 |
337 | /* |
338 | * Chapter and section titles: start a new Help topic. |
339 | */ |
340 | case para_Chapter: |
341 | case para_Appendix: |
342 | case para_UnnumberedChapter: |
343 | case para_Heading: |
344 | case para_Subsect: |
8902e0ed |
345 | |
346 | if (!done_contents_topic) { |
347 | paragraph *p; |
348 | |
349 | /* |
350 | * If this is the first section title we've seen, then |
351 | * we're currently still in the contents topic. We |
352 | * should therefore finish up the contents page by |
9057a0a8 |
353 | * writing a nav menu. |
8902e0ed |
354 | */ |
355 | for (p = sourceform; p; p = p->next) { |
356 | if (p->type == para_Chapter || |
357 | p->type == para_Appendix || |
358 | p->type == para_UnnumberedChapter) |
08e78486 |
359 | whlp_navmenu(&state, p, &conf); |
8902e0ed |
360 | } |
361 | |
362 | state.curr_topic = contents_topic; |
363 | |
364 | done_contents_topic = TRUE; |
365 | } |
366 | |
d7482997 |
367 | if (lastsect && lastsect->child) { |
368 | paragraph *q; |
369 | /* |
370 | * Do a navigation menu for the previous section we |
371 | * were in. |
372 | */ |
373 | for (q = lastsect->child; q; q = q->sibling) |
08e78486 |
374 | whlp_navmenu(&state, q, &conf); |
d7482997 |
375 | } |
376 | { |
377 | rdstringc rs = {0, 0, NULL}; |
378 | WHLP_TOPIC new_topic, parent_topic; |
379 | char *macro, *topicid; |
08e78486 |
380 | charset_state cstate = CHARSET_INIT_STATE; |
d7482997 |
381 | |
382 | new_topic = p->private_data; |
383 | whlp_browse_link(h, state.curr_topic, new_topic); |
384 | state.curr_topic = new_topic; |
385 | |
386 | if (p->kwtext) { |
08e78486 |
387 | whlp_rdaddwc(&rs, p->kwtext, &conf, &cstate); |
388 | whlp_rdadds(&rs, conf.sectsuffix, &conf, &cstate); |
d7482997 |
389 | } |
08e78486 |
390 | whlp_rdaddwc(&rs, p->words, &conf, &cstate); |
391 | whlp_rdadds(&rs, NULL, &conf, &cstate); |
392 | |
d7482997 |
393 | if (p->parent == NULL) |
394 | parent_topic = contents_topic; |
395 | else |
396 | parent_topic = (WHLP_TOPIC)p->parent->private_data; |
397 | topicid = whlp_topic_id(parent_topic); |
398 | macro = smalloc(100+strlen(topicid)); |
399 | sprintf(macro, |
400 | "CBB(\"btn_up\",\"JI(`',`%s')\");EB(\"btn_up\")", |
401 | topicid); |
402 | whlp_begin_topic(h, new_topic, |
403 | rs.text ? rs.text : "", |
404 | macro, NULL); |
405 | sfree(macro); |
406 | |
407 | { |
408 | /* |
409 | * Output the .cnt entry. |
410 | * |
411 | * WinHelp has a bug involving having an internal |
412 | * node followed by a leaf at the same level: the |
413 | * leaf is output at the wrong level. We can mostly |
414 | * work around this by modifying the leaf level |
415 | * itself (see whlp_contents_write), but this |
416 | * doesn't work for top-level sections since we |
417 | * can't turn a level-1 leaf into a level-0 one. So |
418 | * for top-level leaf sections (Bibliography |
419 | * springs to mind), we output an internal node |
420 | * containing only the leaf for that section. |
421 | */ |
422 | int i; |
423 | paragraph *q; |
424 | |
425 | /* Count up the level. */ |
426 | i = 1; |
427 | for (q = p; q->parent; q = q->parent) i++; |
428 | |
429 | if (p->child || !p->parent) { |
430 | /* |
431 | * If p has children then it needs to be a |
432 | * folder; if it has no parent then it needs to |
433 | * be a folder to work around the bug. |
434 | */ |
435 | whlp_contents_write(&state, i, rs.text, NULL); |
436 | i++; |
437 | } |
438 | whlp_contents_write(&state, i, rs.text, new_topic); |
439 | } |
440 | |
441 | sfree(rs.text); |
442 | |
443 | whlp_begin_para(h, WHLP_PARA_NONSCROLL); |
08e78486 |
444 | state.cstate = charset_init_state; |
d7482997 |
445 | if (p->kwtext) { |
08e78486 |
446 | whlp_mkparagraph(&state, FONT_TITLE, p->kwtext, FALSE, &conf); |
d7482997 |
447 | whlp_set_font(h, FONT_TITLE); |
08e78486 |
448 | whlp_wtext(&state, conf.sectsuffix); |
d7482997 |
449 | } |
08e78486 |
450 | whlp_mkparagraph(&state, FONT_TITLE, p->words, FALSE, &conf); |
451 | whlp_wtext(&state, NULL); |
d7482997 |
452 | whlp_end_para(h); |
453 | |
454 | lastsect = p; |
455 | } |
456 | break; |
457 | |
458 | case para_Rule: |
459 | whlp_para_attr(h, WHLP_PARA_SPACEBELOW, 12); |
460 | whlp_para_attr(h, WHLP_PARA_ALIGNMENT, WHLP_ALIGN_CENTRE); |
461 | whlp_begin_para(h, WHLP_PARA_SCROLL); |
462 | whlp_set_font(h, FONT_RULE); |
08e78486 |
463 | state.cstate = charset_init_state; |
464 | #define TEN L"\xA0\xA0\xA0\xA0\xA0\xA0\xA0\xA0\xA0\xA0" |
d7482997 |
465 | #define TWENTY TEN TEN |
466 | #define FORTY TWENTY TWENTY |
467 | #define EIGHTY FORTY FORTY |
08e78486 |
468 | state.cstate = charset_init_state; |
469 | whlp_wtext(&state, EIGHTY); |
470 | whlp_wtext(&state, NULL); |
d7482997 |
471 | #undef TEN |
472 | #undef TWENTY |
473 | #undef FORTY |
474 | #undef EIGHTY |
475 | whlp_end_para(h); |
476 | break; |
477 | |
478 | case para_Normal: |
9057a0a8 |
479 | case para_Copyright: |
7136a6c7 |
480 | case para_DescribedThing: |
481 | case para_Description: |
d7482997 |
482 | case para_BiblioCited: |
483 | case para_Bullet: |
484 | case para_NumberedList: |
485 | whlp_para_attr(h, WHLP_PARA_SPACEBELOW, 12); |
486 | if (p->type == para_Bullet || p->type == para_NumberedList) { |
7136a6c7 |
487 | whlp_para_attr(h, WHLP_PARA_LEFTINDENT, 72*nesting + 72); |
d7482997 |
488 | whlp_para_attr(h, WHLP_PARA_FIRSTLINEINDENT, -36); |
489 | whlp_set_tabstop(h, 72, WHLP_ALIGN_LEFT); |
490 | whlp_begin_para(h, WHLP_PARA_SCROLL); |
491 | whlp_set_font(h, FONT_NORMAL); |
08e78486 |
492 | state.cstate = charset_init_state; |
d7482997 |
493 | if (p->type == para_Bullet) { |
08e78486 |
494 | whlp_wtext(&state, conf.bullet); |
d7482997 |
495 | } else { |
08e78486 |
496 | whlp_mkparagraph(&state, FONT_NORMAL, p->kwtext, FALSE, &conf); |
497 | whlp_wtext(&state, conf.listsuffix); |
d7482997 |
498 | } |
08e78486 |
499 | whlp_wtext(&state, NULL); |
d7482997 |
500 | whlp_tab(h); |
501 | } else { |
7136a6c7 |
502 | whlp_para_attr(h, WHLP_PARA_LEFTINDENT, |
503 | 72*nesting + (p->type==para_Description ? 72 : 0)); |
d7482997 |
504 | whlp_begin_para(h, WHLP_PARA_SCROLL); |
505 | } |
506 | |
08e78486 |
507 | state.cstate = charset_init_state; |
508 | |
d7482997 |
509 | if (p->type == para_BiblioCited) { |
08e78486 |
510 | whlp_mkparagraph(&state, FONT_NORMAL, p->kwtext, FALSE, &conf); |
511 | whlp_wtext(&state, L" "); |
d7482997 |
512 | } |
513 | |
08e78486 |
514 | whlp_mkparagraph(&state, FONT_NORMAL, p->words, FALSE, &conf); |
515 | whlp_wtext(&state, NULL); |
d7482997 |
516 | whlp_end_para(h); |
517 | break; |
518 | |
519 | case para_Code: |
520 | /* |
521 | * In a code paragraph, each individual word is a line. For |
522 | * Help files, we will have to output this as a set of |
523 | * paragraphs, all but the last of which don't set |
524 | * SPACEBELOW. |
525 | */ |
526 | { |
527 | word *w; |
08e78486 |
528 | wchar_t *t, *e, *tmp; |
4b3c5afb |
529 | |
530 | for (w = p->words; w; w = w->next) if (w->type == word_WeakCode) { |
531 | t = w->text; |
532 | if (w->next && w->next->type == word_Emph) { |
533 | w = w->next; |
534 | e = w->text; |
535 | } else |
536 | e = NULL; |
537 | |
d7482997 |
538 | if (!w->next) |
539 | whlp_para_attr(h, WHLP_PARA_SPACEBELOW, 12); |
4b3c5afb |
540 | |
7136a6c7 |
541 | whlp_para_attr(h, WHLP_PARA_LEFTINDENT, 72*nesting); |
d7482997 |
542 | whlp_begin_para(h, WHLP_PARA_SCROLL); |
08e78486 |
543 | state.cstate = charset_init_state; |
4b3c5afb |
544 | while (e && *e && *t) { |
545 | int n; |
546 | int ec = *e; |
547 | |
548 | for (n = 0; t[n] && e[n] && e[n] == ec; n++); |
549 | if (ec == 'i') |
550 | whlp_set_font(h, FONT_ITAL_CODE); |
551 | else if (ec == 'b') |
552 | whlp_set_font(h, FONT_BOLD_CODE); |
553 | else |
554 | whlp_set_font(h, FONT_CODE); |
08e78486 |
555 | tmp = mknewa(wchar_t, n+1); |
556 | ustrncpy(tmp, t, n); |
557 | tmp[n] = L'\0'; |
558 | whlp_wtext(&state, tmp); |
559 | whlp_wtext(&state, NULL); |
560 | state.cstate = charset_init_state; |
561 | sfree(tmp); |
4b3c5afb |
562 | t += n; |
563 | e += n; |
564 | } |
d7482997 |
565 | whlp_set_font(h, FONT_CODE); |
08e78486 |
566 | whlp_wtext(&state, t); |
567 | whlp_wtext(&state, NULL); |
d7482997 |
568 | whlp_end_para(h); |
569 | } |
570 | } |
571 | break; |
572 | } |
573 | |
574 | fclose(state.cntfp); |
08e78486 |
575 | whlp_close(h, conf.filename); |
d7482997 |
576 | |
577 | /* |
578 | * Loop over the index entries, cleaning up our final text |
579 | * forms. |
580 | */ |
581 | for (i = 0; (ie = index234(idx->entries, i)) != NULL; i++) { |
582 | sfree(ie->backend_data); |
583 | } |
50d6b4bd |
584 | |
08e78486 |
585 | sfree(conf.filename); |
50d6b4bd |
586 | sfree(cntname); |
d7482997 |
587 | } |
588 | |
589 | static void whlp_contents_write(struct bk_whlp_state *state, |
590 | int level, char *text, WHLP_TOPIC topic) { |
591 | /* |
592 | * Horrifying bug in WinHelp. When dropping a section level or |
593 | * more without using a folder-type entry, WinHelp accidentally |
594 | * adds one to the section level. So we correct for that here. |
595 | */ |
596 | if (state->cnt_last_level > level && topic) |
597 | state->cnt_workaround = -1; |
598 | else if (!topic) |
599 | state->cnt_workaround = 0; |
600 | state->cnt_last_level = level; |
601 | |
602 | fprintf(state->cntfp, "%d ", level + state->cnt_workaround); |
603 | while (*text) { |
604 | if (*text == '=') |
605 | fputc('\\', state->cntfp); |
606 | fputc(*text, state->cntfp); |
607 | text++; |
608 | } |
609 | if (topic) |
610 | fprintf(state->cntfp, "=%s", whlp_topic_id(topic)); |
611 | fputc('\n', state->cntfp); |
612 | } |
613 | |
08e78486 |
614 | static void whlp_navmenu(struct bk_whlp_state *state, paragraph *p, |
615 | whlpconf *conf) { |
23f85ecc |
616 | whlp_begin_para(state->h, WHLP_PARA_SCROLL); |
d7482997 |
617 | whlp_start_hyperlink(state->h, (WHLP_TOPIC)p->private_data); |
08e78486 |
618 | state->cstate = charset_init_state; |
d7482997 |
619 | if (p->kwtext) { |
08e78486 |
620 | whlp_mkparagraph(state, FONT_NORMAL, p->kwtext, TRUE, conf); |
d7482997 |
621 | whlp_set_font(state->h, FONT_NORMAL); |
08e78486 |
622 | whlp_wtext(state, conf->sectsuffix); |
d7482997 |
623 | } |
08e78486 |
624 | whlp_mkparagraph(state, FONT_NORMAL, p->words, TRUE, conf); |
625 | whlp_wtext(state, NULL); |
d7482997 |
626 | whlp_end_hyperlink(state->h); |
627 | whlp_end_para(state->h); |
628 | |
629 | } |
630 | |
631 | static void whlp_mkparagraph(struct bk_whlp_state *state, |
08e78486 |
632 | int font, word *text, int subsidiary, |
633 | whlpconf *conf) { |
d7482997 |
634 | keyword *kwl; |
635 | int deffont = font; |
636 | int currfont = -1; |
637 | int newfont; |
d7482997 |
638 | paragraph *xref_target = NULL; |
639 | |
640 | for (; text; text = text->next) switch (text->type) { |
641 | case word_HyperLink: |
642 | case word_HyperEnd: |
643 | break; |
644 | |
645 | case word_IndexRef: |
646 | if (subsidiary) break; /* disabled in subsidiary bits */ |
647 | { |
648 | indextag *tag = index_findtag(state->idx, text->text); |
649 | int i; |
650 | if (!tag) |
651 | break; |
652 | for (i = 0; i < tag->nrefs; i++) |
653 | whlp_index_term(state->h, tag->refs[i]->backend_data, |
654 | state->curr_topic); |
655 | } |
656 | break; |
657 | |
658 | case word_UpperXref: |
659 | case word_LowerXref: |
660 | if (subsidiary) break; /* disabled in subsidiary bits */ |
661 | kwl = kw_lookup(state->keywords, text->text); |
7cf305b7 |
662 | assert(xref_target == NULL); |
663 | if (kwl) { |
664 | if (kwl->para->type == para_NumberedList) { |
665 | break; /* don't xref to numbered list items */ |
666 | } else if (kwl->para->type == para_BiblioCited) { |
667 | /* |
668 | * An xref to a bibliography item jumps to the section |
669 | * containing it. |
670 | */ |
671 | if (kwl->para->parent) |
672 | xref_target = kwl->para->parent; |
673 | else |
674 | break; |
675 | } else { |
676 | xref_target = kwl->para; |
677 | } |
678 | whlp_start_hyperlink(state->h, |
679 | (WHLP_TOPIC)xref_target->private_data); |
680 | } |
d7482997 |
681 | break; |
682 | |
683 | case word_XrefEnd: |
684 | if (subsidiary) break; /* disabled in subsidiary bits */ |
685 | if (xref_target) |
686 | whlp_end_hyperlink(state->h); |
687 | xref_target = NULL; |
688 | break; |
689 | |
690 | case word_Normal: |
691 | case word_Emph: |
692 | case word_Code: |
693 | case word_WeakCode: |
694 | case word_WhiteSpace: |
695 | case word_EmphSpace: |
696 | case word_CodeSpace: |
697 | case word_WkCodeSpace: |
698 | case word_Quote: |
699 | case word_EmphQuote: |
700 | case word_CodeQuote: |
701 | case word_WkCodeQuote: |
702 | if (towordstyle(text->type) == word_Emph) |
703 | newfont = deffont + FONT_EMPH; |
704 | else if (towordstyle(text->type) == word_Code || |
705 | towordstyle(text->type) == word_WeakCode) |
706 | newfont = deffont + FONT_CODE; |
707 | else |
708 | newfont = deffont; |
709 | if (newfont != currfont) { |
710 | currfont = newfont; |
711 | whlp_set_font(state->h, newfont); |
712 | } |
713 | if (removeattr(text->type) == word_Normal) { |
08e78486 |
714 | if (cvt_ok(conf->charset, text->text) || !text->alt) |
715 | whlp_wtext(state, text->text); |
d7482997 |
716 | else |
08e78486 |
717 | whlp_mkparagraph(state, deffont, text->alt, FALSE, conf); |
d7482997 |
718 | } else if (removeattr(text->type) == word_WhiteSpace) { |
08e78486 |
719 | whlp_wtext(state, L" "); |
d7482997 |
720 | } else if (removeattr(text->type) == word_Quote) { |
08e78486 |
721 | whlp_wtext(state, |
722 | quoteaux(text->aux) == quote_Open ? |
723 | conf->lquote : conf->rquote); |
d7482997 |
724 | } |
725 | break; |
726 | } |
727 | } |
728 | |
08e78486 |
729 | static void whlp_rdaddwc(rdstringc *rs, word *text, whlpconf *conf, |
730 | charset_state *state) { |
731 | charset_state ourstate = CHARSET_INIT_STATE; |
732 | |
733 | if (!state) |
734 | state = &ourstate; |
d7482997 |
735 | |
736 | for (; text; text = text->next) switch (text->type) { |
737 | case word_HyperLink: |
738 | case word_HyperEnd: |
739 | case word_UpperXref: |
740 | case word_LowerXref: |
741 | case word_XrefEnd: |
742 | case word_IndexRef: |
743 | break; |
744 | |
745 | case word_Normal: |
746 | case word_Emph: |
747 | case word_Code: |
748 | case word_WeakCode: |
749 | case word_WhiteSpace: |
750 | case word_EmphSpace: |
751 | case word_CodeSpace: |
752 | case word_WkCodeSpace: |
753 | case word_Quote: |
754 | case word_EmphQuote: |
755 | case word_CodeQuote: |
756 | case word_WkCodeQuote: |
757 | assert(text->type != word_CodeQuote && |
758 | text->type != word_WkCodeQuote); |
759 | if (removeattr(text->type) == word_Normal) { |
08e78486 |
760 | if (cvt_ok(conf->charset, text->text) || !text->alt) |
761 | whlp_rdadds(rs, text->text, conf, state); |
d7482997 |
762 | else |
08e78486 |
763 | whlp_rdaddwc(rs, text->alt, conf, state); |
d7482997 |
764 | } else if (removeattr(text->type) == word_WhiteSpace) { |
08e78486 |
765 | whlp_rdadds(rs, L" ", conf, state); |
d7482997 |
766 | } else if (removeattr(text->type) == word_Quote) { |
08e78486 |
767 | whlp_rdadds(rs, quoteaux(text->aux) == quote_Open ? |
768 | conf->lquote : conf->rquote, conf, state); |
d7482997 |
769 | } |
770 | break; |
771 | } |
2223c2dd |
772 | |
08e78486 |
773 | if (state == &ourstate) |
774 | whlp_rdadds(rs, NULL, conf, state); |
775 | } |
2223c2dd |
776 | |
08e78486 |
777 | static void whlp_rdadds(rdstringc *rs, const wchar_t *text, whlpconf *conf, |
778 | charset_state *state) |
779 | { |
780 | charset_state ourstate = CHARSET_INIT_STATE; |
781 | int textlen = text ? ustrlen(text) : 0; |
782 | char outbuf[256]; |
783 | int ret; |
784 | |
785 | if (!state) |
786 | state = &ourstate; |
787 | |
788 | while (textlen > 0 && |
789 | (ret = charset_from_unicode(&text, &textlen, outbuf, |
790 | lenof(outbuf)-1, |
791 | conf->charset, state, NULL)) > 0) { |
792 | outbuf[ret] = '\0'; |
793 | rdaddsc(rs, outbuf); |
d7482997 |
794 | } |
2223c2dd |
795 | |
08e78486 |
796 | if (text == NULL || state == &ourstate) { |
797 | if ((ret = charset_from_unicode(NULL, 0, outbuf, lenof(outbuf)-1, |
798 | conf->charset, state, NULL)) > 0) { |
799 | outbuf[ret] = '\0'; |
800 | rdaddsc(rs, outbuf); |
801 | } |
802 | } |
803 | } |
2223c2dd |
804 | |
08e78486 |
805 | static void whlp_wtext(struct bk_whlp_state *state, const wchar_t *text) |
806 | { |
807 | int textlen = text ? ustrlen(text) : 0; |
808 | char outbuf[256]; |
809 | int ret; |
810 | |
811 | while (textlen > 0 && |
812 | (ret = charset_from_unicode(&text, &textlen, outbuf, |
813 | lenof(outbuf)-1, |
814 | state->charset, &state->cstate, |
815 | NULL)) > 0) { |
816 | outbuf[ret] = '\0'; |
817 | whlp_text(state->h, outbuf); |
818 | } |
2223c2dd |
819 | |
08e78486 |
820 | if (text == NULL) { |
821 | if ((ret = charset_from_unicode(NULL, 0, outbuf, lenof(outbuf)-1, |
822 | state->charset, &state->cstate, |
823 | NULL)) > 0) { |
824 | outbuf[ret] = '\0'; |
825 | whlp_text(state->h, outbuf); |
826 | } |
827 | } |
d7482997 |
828 | } |