d7482997 |
1 | /* |
2 | * text backend for Halibut |
3 | */ |
4 | |
5 | #include <stdio.h> |
6 | #include <stdlib.h> |
7 | #include <assert.h> |
8 | #include "halibut.h" |
9 | |
10 | typedef enum { LEFT, LEFTPLUS, CENTRE } alignment; |
11 | typedef struct { |
12 | alignment align; |
13 | int just_numbers; |
14 | wchar_t underline; |
63223c78 |
15 | wchar_t *number_suffix; |
d7482997 |
16 | } alignstruct; |
17 | |
18 | typedef struct { |
19 | int indent, indent_code; |
20 | int listindentbefore, listindentafter; |
21 | int width; |
22 | alignstruct atitle, achapter, *asect; |
23 | int nasect; |
24 | int include_version_id; |
25 | int indent_preambles; |
26 | word bullet; |
50d6b4bd |
27 | char *filename; |
d7482997 |
28 | } textconfig; |
29 | |
30 | static int text_convert(wchar_t *, char **); |
31 | |
32 | static void text_heading(FILE *, word *, word *, word *, alignstruct, int,int); |
33 | static void text_rule(FILE *, int, int); |
34 | static void text_para(FILE *, word *, char *, word *, int, int, int); |
35 | static void text_codepara(FILE *, word *, int, int); |
36 | static void text_versionid(FILE *, word *); |
37 | |
38 | static alignment utoalign(wchar_t *p) { |
39 | if (!ustricmp(p, L"centre") || !ustricmp(p, L"center")) |
40 | return CENTRE; |
41 | if (!ustricmp(p, L"leftplus")) |
42 | return LEFTPLUS; |
43 | return LEFT; |
44 | } |
45 | |
46 | static textconfig text_configure(paragraph *source) { |
47 | textconfig ret; |
48 | |
49 | /* |
50 | * Non-negotiables. |
51 | */ |
52 | ret.bullet.next = NULL; |
53 | ret.bullet.alt = NULL; |
54 | ret.bullet.type = word_Normal; |
55 | ret.atitle.just_numbers = FALSE; /* ignored */ |
56 | |
57 | /* |
58 | * Defaults. |
59 | */ |
60 | ret.indent = 7; |
61 | ret.indent_code = 2; |
62 | ret.listindentbefore = 1; |
63 | ret.listindentafter = 3; |
64 | ret.width = 68; |
65 | ret.atitle.align = CENTRE; |
66 | ret.atitle.underline = L'='; |
67 | ret.achapter.align = LEFT; |
68 | ret.achapter.just_numbers = FALSE; |
e5e6bf9d |
69 | ret.achapter.number_suffix = L": "; |
d7482997 |
70 | ret.achapter.underline = L'-'; |
71 | ret.nasect = 1; |
72 | ret.asect = mknewa(alignstruct, ret.nasect); |
73 | ret.asect[0].align = LEFTPLUS; |
74 | ret.asect[0].just_numbers = TRUE; |
e5e6bf9d |
75 | ret.asect[0].number_suffix = L" "; |
d7482997 |
76 | ret.asect[0].underline = L'\0'; |
77 | ret.include_version_id = TRUE; |
78 | ret.indent_preambles = FALSE; |
e5e6bf9d |
79 | ret.bullet.text = L"-"; |
50d6b4bd |
80 | ret.filename = dupstr("output.txt"); |
d7482997 |
81 | |
82 | for (; source; source = source->next) { |
83 | if (source->type == para_Config) { |
84 | if (!ustricmp(source->keyword, L"text-indent")) { |
85 | ret.indent = utoi(uadv(source->keyword)); |
50d6b4bd |
86 | } else if (!ustricmp(source->keyword, L"text-filename")) { |
87 | sfree(ret.filename); |
88 | ret.filename = utoa_dup(uadv(source->keyword)); |
d7482997 |
89 | } else if (!ustricmp(source->keyword, L"text-indent-code")) { |
90 | ret.indent_code = utoi(uadv(source->keyword)); |
91 | } else if (!ustricmp(source->keyword, L"text-width")) { |
92 | ret.width = utoi(uadv(source->keyword)); |
93 | } else if (!ustricmp(source->keyword, L"text-list-indent")) { |
94 | ret.listindentbefore = utoi(uadv(source->keyword)); |
95 | } else if (!ustricmp(source->keyword, L"text-listitem-indent")) { |
96 | ret.listindentafter = utoi(uadv(source->keyword)); |
97 | } else if (!ustricmp(source->keyword, L"text-chapter-align")) { |
98 | ret.achapter.align = utoalign(uadv(source->keyword)); |
99 | } else if (!ustricmp(source->keyword, L"text-chapter-underline")) { |
100 | ret.achapter.underline = *uadv(source->keyword); |
101 | } else if (!ustricmp(source->keyword, L"text-chapter-numeric")) { |
c83c6495 |
102 | ret.achapter.just_numbers = utob(uadv(source->keyword)); |
63223c78 |
103 | } else if (!ustricmp(source->keyword, L"text-chapter-suffix")) { |
e5e6bf9d |
104 | ret.achapter.number_suffix = uadv(source->keyword); |
d7482997 |
105 | } else if (!ustricmp(source->keyword, L"text-section-align")) { |
106 | wchar_t *p = uadv(source->keyword); |
107 | int n = 0; |
108 | if (uisdigit(*p)) { |
109 | n = utoi(p); |
110 | p = uadv(p); |
111 | } |
112 | if (n >= ret.nasect) { |
113 | int i; |
114 | ret.asect = resize(ret.asect, n+1); |
115 | for (i = ret.nasect; i <= n; i++) |
116 | ret.asect[i] = ret.asect[ret.nasect-1]; |
117 | ret.nasect = n+1; |
118 | } |
119 | ret.asect[n].align = utoalign(p); |
120 | } else if (!ustricmp(source->keyword, L"text-section-underline")) { |
121 | wchar_t *p = uadv(source->keyword); |
122 | int n = 0; |
123 | if (uisdigit(*p)) { |
124 | n = utoi(p); |
125 | p = uadv(p); |
126 | } |
127 | if (n >= ret.nasect) { |
128 | int i; |
129 | ret.asect = resize(ret.asect, n+1); |
130 | for (i = ret.nasect; i <= n; i++) |
131 | ret.asect[i] = ret.asect[ret.nasect-1]; |
132 | ret.nasect = n+1; |
133 | } |
134 | ret.asect[n].underline = *p; |
135 | } else if (!ustricmp(source->keyword, L"text-section-numeric")) { |
136 | wchar_t *p = uadv(source->keyword); |
137 | int n = 0; |
138 | if (uisdigit(*p)) { |
139 | n = utoi(p); |
140 | p = uadv(p); |
141 | } |
142 | if (n >= ret.nasect) { |
143 | int i; |
144 | ret.asect = resize(ret.asect, n+1); |
145 | for (i = ret.nasect; i <= n; i++) |
146 | ret.asect[i] = ret.asect[ret.nasect-1]; |
147 | ret.nasect = n+1; |
148 | } |
149 | ret.asect[n].just_numbers = utob(p); |
63223c78 |
150 | } else if (!ustricmp(source->keyword, L"text-section-suffix")) { |
151 | wchar_t *p = uadv(source->keyword); |
152 | int n = 0; |
153 | if (uisdigit(*p)) { |
154 | n = utoi(p); |
155 | p = uadv(p); |
156 | } |
157 | if (n >= ret.nasect) { |
158 | int i; |
159 | ret.asect = resize(ret.asect, n+1); |
e5e6bf9d |
160 | for (i = ret.nasect; i <= n; i++) { |
63223c78 |
161 | ret.asect[i] = ret.asect[ret.nasect-1]; |
e5e6bf9d |
162 | } |
63223c78 |
163 | ret.nasect = n+1; |
164 | } |
e5e6bf9d |
165 | ret.asect[n].number_suffix = p; |
d7482997 |
166 | } else if (!ustricmp(source->keyword, L"text-title-align")) { |
167 | ret.atitle.align = utoalign(uadv(source->keyword)); |
168 | } else if (!ustricmp(source->keyword, L"text-title-underline")) { |
169 | ret.atitle.underline = *uadv(source->keyword); |
170 | } else if (!ustricmp(source->keyword, L"text-versionid")) { |
171 | ret.include_version_id = utob(uadv(source->keyword)); |
172 | } else if (!ustricmp(source->keyword, L"text-indent-preamble")) { |
173 | ret.indent_preambles = utob(uadv(source->keyword)); |
174 | } else if (!ustricmp(source->keyword, L"text-bullet")) { |
175 | ret.bullet.text = uadv(source->keyword); |
176 | } |
177 | } |
178 | } |
179 | |
180 | return ret; |
181 | } |
182 | |
ba9c1487 |
183 | paragraph *text_config_filename(char *filename) |
184 | { |
185 | paragraph *p; |
186 | wchar_t *ufilename, *up; |
187 | int len; |
188 | |
189 | p = mknew(paragraph); |
190 | memset(p, 0, sizeof(*p)); |
191 | p->type = para_Config; |
192 | p->next = NULL; |
193 | p->fpos.filename = "<command line>"; |
194 | p->fpos.line = p->fpos.col = -1; |
195 | |
196 | ufilename = ufroma_dup(filename); |
197 | len = ustrlen(ufilename) + 2 + lenof(L"text-filename"); |
198 | p->keyword = mknewa(wchar_t, len); |
199 | up = p->keyword; |
200 | ustrcpy(up, L"text-filename"); |
201 | up = uadv(up); |
202 | ustrcpy(up, ufilename); |
203 | up = uadv(up); |
204 | *up = L'\0'; |
205 | assert(up - p->keyword < len); |
206 | sfree(ufilename); |
207 | |
208 | return p; |
209 | } |
210 | |
d7482997 |
211 | void text_backend(paragraph *sourceform, keywordlist *keywords, |
43341922 |
212 | indexdata *idx, void *unused) { |
d7482997 |
213 | paragraph *p; |
214 | textconfig conf; |
215 | word *prefix, *body, *wp; |
216 | word spaceword; |
217 | FILE *fp; |
218 | char *prefixextra; |
7136a6c7 |
219 | int nesting, nestindent; |
d7482997 |
220 | int indentb, indenta; |
221 | |
43341922 |
222 | IGNORE(unused); |
d7482997 |
223 | IGNORE(keywords); /* we don't happen to need this */ |
224 | IGNORE(idx); /* or this */ |
225 | |
226 | conf = text_configure(sourceform); |
227 | |
228 | /* |
50d6b4bd |
229 | * Open the output file. |
d7482997 |
230 | */ |
50d6b4bd |
231 | fp = fopen(conf.filename, "w"); |
d7482997 |
232 | if (!fp) { |
50d6b4bd |
233 | error(err_cantopenw, conf.filename); |
d7482997 |
234 | return; |
235 | } |
236 | |
237 | /* Do the title */ |
238 | for (p = sourceform; p; p = p->next) |
239 | if (p->type == para_Title) |
240 | text_heading(fp, NULL, NULL, p->words, |
241 | conf.atitle, conf.indent, conf.width); |
242 | |
7136a6c7 |
243 | nestindent = conf.listindentbefore + conf.listindentafter; |
8902e0ed |
244 | nesting = (conf.indent_preambles ? 0 : -conf.indent); |
7136a6c7 |
245 | |
d7482997 |
246 | /* Do the main document */ |
247 | for (p = sourceform; p; p = p->next) switch (p->type) { |
248 | |
2614b01d |
249 | case para_QuotePush: |
250 | nesting += 2; |
251 | break; |
252 | case para_QuotePop: |
253 | nesting -= 2; |
254 | assert(nesting >= 0); |
255 | break; |
256 | |
7136a6c7 |
257 | case para_LcontPush: |
2614b01d |
258 | nesting += nestindent; |
7136a6c7 |
259 | break; |
260 | case para_LcontPop: |
2614b01d |
261 | nesting -= nestindent; |
262 | assert(nesting >= 0); |
7136a6c7 |
263 | break; |
264 | |
d7482997 |
265 | /* |
266 | * Things we ignore because we've already processed them or |
267 | * aren't going to touch them in this pass. |
268 | */ |
269 | case para_IM: |
270 | case para_BR: |
271 | case para_Biblio: /* only touch BiblioCited */ |
272 | case para_VersionID: |
d7482997 |
273 | case para_NoCite: |
274 | case para_Title: |
275 | break; |
276 | |
277 | /* |
278 | * Chapter titles. |
279 | */ |
280 | case para_Chapter: |
281 | case para_Appendix: |
282 | case para_UnnumberedChapter: |
283 | text_heading(fp, p->kwtext, p->kwtext2, p->words, |
284 | conf.achapter, conf.indent, conf.width); |
8902e0ed |
285 | nesting = 0; |
d7482997 |
286 | break; |
287 | |
288 | case para_Heading: |
289 | case para_Subsect: |
290 | text_heading(fp, p->kwtext, p->kwtext2, p->words, |
291 | conf.asect[p->aux>=conf.nasect ? conf.nasect-1 : p->aux], |
292 | conf.indent, conf.width); |
293 | break; |
294 | |
295 | case para_Rule: |
2614b01d |
296 | text_rule(fp, conf.indent + nesting, conf.width - nesting); |
d7482997 |
297 | break; |
298 | |
299 | case para_Normal: |
9057a0a8 |
300 | case para_Copyright: |
7136a6c7 |
301 | case para_DescribedThing: |
302 | case para_Description: |
d7482997 |
303 | case para_BiblioCited: |
304 | case para_Bullet: |
305 | case para_NumberedList: |
306 | if (p->type == para_Bullet) { |
307 | prefix = &conf.bullet; |
308 | prefixextra = NULL; |
309 | indentb = conf.listindentbefore; |
310 | indenta = conf.listindentafter; |
311 | } else if (p->type == para_NumberedList) { |
312 | prefix = p->kwtext; |
313 | prefixextra = "."; /* FIXME: configurability */ |
314 | indentb = conf.listindentbefore; |
315 | indenta = conf.listindentafter; |
7136a6c7 |
316 | } else if (p->type == para_Description) { |
317 | prefix = NULL; |
318 | prefixextra = NULL; |
319 | indentb = conf.listindentbefore; |
320 | indenta = conf.listindentafter; |
d7482997 |
321 | } else { |
322 | prefix = NULL; |
323 | prefixextra = NULL; |
324 | indentb = indenta = 0; |
325 | } |
326 | if (p->type == para_BiblioCited) { |
327 | body = dup_word_list(p->kwtext); |
328 | for (wp = body; wp->next; wp = wp->next); |
329 | wp->next = &spaceword; |
330 | spaceword.next = p->words; |
331 | spaceword.alt = NULL; |
332 | spaceword.type = word_WhiteSpace; |
333 | spaceword.text = NULL; |
334 | } else { |
335 | wp = NULL; |
336 | body = p->words; |
337 | } |
338 | text_para(fp, prefix, prefixextra, body, |
2614b01d |
339 | conf.indent + nesting + indentb, indenta, |
340 | conf.width - nesting - indentb - indenta); |
d7482997 |
341 | if (wp) { |
342 | wp->next = NULL; |
343 | free_word_list(body); |
344 | } |
345 | break; |
346 | |
347 | case para_Code: |
7136a6c7 |
348 | text_codepara(fp, p->words, |
2614b01d |
349 | conf.indent + nesting + conf.indent_code, |
350 | conf.width - nesting - 2 * conf.indent_code); |
d7482997 |
351 | break; |
352 | } |
353 | |
354 | /* Do the version ID */ |
355 | if (conf.include_version_id) { |
356 | for (p = sourceform; p; p = p->next) |
357 | if (p->type == para_VersionID) |
358 | text_versionid(fp, p->words); |
359 | } |
360 | |
361 | /* |
362 | * Tidy up |
363 | */ |
364 | fclose(fp); |
e5e6bf9d |
365 | sfree(conf.asect); |
50d6b4bd |
366 | sfree(conf.filename); |
d7482997 |
367 | } |
368 | |
369 | /* |
370 | * Convert a wide string into a string of chars. If `result' is |
371 | * non-NULL, mallocs the resulting string and stores a pointer to |
372 | * it in `*result'. If `result' is NULL, merely checks whether all |
373 | * characters in the string are feasible for the output character |
374 | * set. |
375 | * |
376 | * Return is nonzero if all characters are OK. If not all |
377 | * characters are OK but `result' is non-NULL, a result _will_ |
378 | * still be generated! |
379 | */ |
380 | static int text_convert(wchar_t *s, char **result) { |
381 | /* |
382 | * FIXME. Currently this is ISO8859-1 only. |
383 | */ |
384 | int doing = (result != 0); |
385 | int ok = TRUE; |
386 | char *p = NULL; |
387 | int plen = 0, psize = 0; |
388 | |
389 | for (; *s; s++) { |
390 | wchar_t c = *s; |
391 | char outc; |
392 | |
393 | if ((c >= 32 && c <= 126) || |
394 | (c >= 160 && c <= 255)) { |
395 | /* Char is OK. */ |
396 | outc = (char)c; |
397 | } else { |
398 | /* Char is not OK. */ |
399 | ok = FALSE; |
400 | outc = 0xBF; /* approximate the good old DEC `uh?' */ |
401 | } |
402 | if (doing) { |
403 | if (plen >= psize) { |
404 | psize = plen + 256; |
405 | p = resize(p, psize); |
406 | } |
407 | p[plen++] = outc; |
408 | } |
409 | } |
410 | if (doing) { |
411 | p = resize(p, plen+1); |
412 | p[plen] = '\0'; |
413 | *result = p; |
414 | } |
415 | return ok; |
416 | } |
417 | |
418 | static void text_rdaddwc(rdstringc *rs, word *text, word *end) { |
419 | char *c; |
420 | |
421 | for (; text && text != end; text = text->next) switch (text->type) { |
422 | case word_HyperLink: |
423 | case word_HyperEnd: |
424 | case word_UpperXref: |
425 | case word_LowerXref: |
426 | case word_XrefEnd: |
427 | case word_IndexRef: |
428 | break; |
429 | |
430 | case word_Normal: |
431 | case word_Emph: |
432 | case word_Code: |
433 | case word_WeakCode: |
434 | case word_WhiteSpace: |
435 | case word_EmphSpace: |
436 | case word_CodeSpace: |
437 | case word_WkCodeSpace: |
438 | case word_Quote: |
439 | case word_EmphQuote: |
440 | case word_CodeQuote: |
441 | case word_WkCodeQuote: |
442 | assert(text->type != word_CodeQuote && |
443 | text->type != word_WkCodeQuote); |
444 | if (towordstyle(text->type) == word_Emph && |
445 | (attraux(text->aux) == attr_First || |
446 | attraux(text->aux) == attr_Only)) |
447 | rdaddc(rs, '_'); /* FIXME: configurability */ |
448 | else if (towordstyle(text->type) == word_Code && |
449 | (attraux(text->aux) == attr_First || |
450 | attraux(text->aux) == attr_Only)) |
451 | rdaddc(rs, '`'); /* FIXME: configurability */ |
452 | if (removeattr(text->type) == word_Normal) { |
453 | if (text_convert(text->text, &c)) |
454 | rdaddsc(rs, c); |
455 | else |
456 | text_rdaddwc(rs, text->alt, NULL); |
457 | sfree(c); |
458 | } else if (removeattr(text->type) == word_WhiteSpace) { |
459 | rdaddc(rs, ' '); |
460 | } else if (removeattr(text->type) == word_Quote) { |
461 | rdaddc(rs, quoteaux(text->aux) == quote_Open ? '`' : '\''); |
462 | /* FIXME: configurability */ |
463 | } |
464 | if (towordstyle(text->type) == word_Emph && |
465 | (attraux(text->aux) == attr_Last || |
466 | attraux(text->aux) == attr_Only)) |
467 | rdaddc(rs, '_'); /* FIXME: configurability */ |
468 | else if (towordstyle(text->type) == word_Code && |
469 | (attraux(text->aux) == attr_Last || |
470 | attraux(text->aux) == attr_Only)) |
471 | rdaddc(rs, '\''); /* FIXME: configurability */ |
472 | break; |
473 | } |
474 | } |
475 | |
43341922 |
476 | static int text_width(void *, word *); |
d7482997 |
477 | |
43341922 |
478 | static int text_width_list(void *ctx, word *text) { |
d7482997 |
479 | int w = 0; |
480 | while (text) { |
43341922 |
481 | w += text_width(ctx, text); |
d7482997 |
482 | text = text->next; |
483 | } |
484 | return w; |
485 | } |
486 | |
43341922 |
487 | static int text_width(void *ctx, word *text) { |
488 | IGNORE(ctx); |
489 | |
d7482997 |
490 | switch (text->type) { |
491 | case word_HyperLink: |
492 | case word_HyperEnd: |
493 | case word_UpperXref: |
494 | case word_LowerXref: |
495 | case word_XrefEnd: |
496 | case word_IndexRef: |
497 | return 0; |
498 | |
499 | case word_Normal: |
500 | case word_Emph: |
501 | case word_Code: |
502 | case word_WeakCode: |
503 | return (((text->type == word_Emph || |
504 | text->type == word_Code) |
505 | ? (attraux(text->aux) == attr_Only ? 2 : |
506 | attraux(text->aux) == attr_Always ? 0 : 1) |
507 | : 0) + |
508 | (text_convert(text->text, NULL) ? |
509 | ustrlen(text->text) : |
43341922 |
510 | text_width_list(ctx, text->alt))); |
d7482997 |
511 | |
512 | case word_WhiteSpace: |
513 | case word_EmphSpace: |
514 | case word_CodeSpace: |
515 | case word_WkCodeSpace: |
516 | case word_Quote: |
517 | case word_EmphQuote: |
518 | case word_CodeQuote: |
519 | case word_WkCodeQuote: |
520 | assert(text->type != word_CodeQuote && |
521 | text->type != word_WkCodeQuote); |
522 | return (((towordstyle(text->type) == word_Emph || |
523 | towordstyle(text->type) == word_Code) |
524 | ? (attraux(text->aux) == attr_Only ? 2 : |
525 | attraux(text->aux) == attr_Always ? 0 : 1) |
526 | : 0) + 1); |
527 | } |
528 | return 0; /* should never happen */ |
529 | } |
530 | |
531 | static void text_heading(FILE *fp, word *tprefix, word *nprefix, word *text, |
532 | alignstruct align, int indent, int width) { |
533 | rdstringc t = { 0, 0, NULL }; |
534 | int margin, length; |
535 | int firstlinewidth, wrapwidth; |
536 | wrappedline *wrapping, *p; |
537 | |
538 | if (align.just_numbers && nprefix) { |
63223c78 |
539 | char *c; |
d7482997 |
540 | text_rdaddwc(&t, nprefix, NULL); |
63223c78 |
541 | if (text_convert(align.number_suffix, &c)) { |
542 | rdaddsc(&t, c); |
543 | sfree(c); |
544 | } |
d7482997 |
545 | } else if (!align.just_numbers && tprefix) { |
63223c78 |
546 | char *c; |
d7482997 |
547 | text_rdaddwc(&t, tprefix, NULL); |
63223c78 |
548 | if (text_convert(align.number_suffix, &c)) { |
549 | rdaddsc(&t, c); |
550 | sfree(c); |
551 | } |
d7482997 |
552 | } |
553 | margin = length = (t.text ? strlen(t.text) : 0); |
554 | |
555 | if (align.align == LEFTPLUS) { |
556 | margin = indent - margin; |
557 | if (margin < 0) margin = 0; |
558 | firstlinewidth = indent + width - margin - length; |
559 | wrapwidth = width; |
560 | } else if (align.align == LEFT || align.align == CENTRE) { |
561 | margin = 0; |
562 | firstlinewidth = indent + width - length; |
563 | wrapwidth = indent + width; |
564 | } |
565 | |
43341922 |
566 | wrapping = wrap_para(text, firstlinewidth, wrapwidth, text_width, NULL, 0); |
d7482997 |
567 | for (p = wrapping; p; p = p->next) { |
568 | text_rdaddwc(&t, p->begin, p->end); |
569 | length = (t.text ? strlen(t.text) : 0); |
570 | if (align.align == CENTRE) { |
571 | margin = (indent + width - length)/2; |
572 | if (margin < 0) margin = 0; |
573 | } |
574 | fprintf(fp, "%*s%s\n", margin, "", t.text); |
575 | if (align.underline != L'\0') { |
576 | char *u, uc; |
577 | wchar_t uw[2]; |
578 | uw[0] = align.underline; uw[1] = L'\0'; |
579 | text_convert(uw, &u); |
580 | uc = u[0]; |
581 | sfree(u); |
582 | fprintf(fp, "%*s", margin, ""); |
583 | while (length--) |
584 | putc(uc, fp); |
585 | putc('\n', fp); |
586 | } |
587 | if (align.align == LEFTPLUS) |
588 | margin = indent; |
589 | else |
590 | margin = 0; |
591 | sfree(t.text); |
592 | t = empty_rdstringc; |
593 | } |
594 | wrap_free(wrapping); |
595 | putc('\n', fp); |
596 | |
597 | sfree(t.text); |
598 | } |
599 | |
600 | static void text_rule(FILE *fp, int indent, int width) { |
601 | while (indent--) putc(' ', fp); |
602 | while (width--) putc('-', fp); /* FIXME: configurability! */ |
603 | putc('\n', fp); |
604 | putc('\n', fp); |
605 | } |
606 | |
607 | static void text_para(FILE *fp, word *prefix, char *prefixextra, word *text, |
608 | int indent, int extraindent, int width) { |
609 | wrappedline *wrapping, *p; |
610 | rdstringc pfx = { 0, 0, NULL }; |
611 | int e; |
612 | int firstlinewidth = width; |
613 | |
614 | if (prefix) { |
615 | text_rdaddwc(&pfx, prefix, NULL); |
616 | if (prefixextra) |
617 | rdaddsc(&pfx, prefixextra); |
618 | fprintf(fp, "%*s%s", indent, "", pfx.text); |
c83c6495 |
619 | /* If the prefix is too long, shorten the first line to fit. */ |
d7482997 |
620 | e = extraindent - strlen(pfx.text); |
621 | if (e < 0) { |
c83c6495 |
622 | firstlinewidth += e; /* this decreases it, since e < 0 */ |
d7482997 |
623 | if (firstlinewidth < 0) { |
624 | e = indent + extraindent; |
625 | firstlinewidth = width; |
626 | fprintf(fp, "\n"); |
c83c6495 |
627 | } else |
628 | e = 0; |
d7482997 |
629 | } |
630 | sfree(pfx.text); |
631 | } else |
632 | e = indent + extraindent; |
633 | |
43341922 |
634 | wrapping = wrap_para(text, firstlinewidth, width, text_width, NULL, 0); |
d7482997 |
635 | for (p = wrapping; p; p = p->next) { |
636 | rdstringc t = { 0, 0, NULL }; |
637 | text_rdaddwc(&t, p->begin, p->end); |
638 | fprintf(fp, "%*s%s\n", e, "", t.text); |
639 | e = indent + extraindent; |
640 | sfree(t.text); |
641 | } |
642 | wrap_free(wrapping); |
643 | putc('\n', fp); |
644 | } |
645 | |
646 | static void text_codepara(FILE *fp, word *text, int indent, int width) { |
647 | for (; text; text = text->next) if (text->type == word_WeakCode) { |
648 | char *c; |
649 | text_convert(text->text, &c); |
650 | if (strlen(c) > (size_t)width) { |
651 | /* FIXME: warn */ |
652 | } |
653 | fprintf(fp, "%*s%s\n", indent, "", c); |
654 | sfree(c); |
655 | } |
656 | |
657 | putc('\n', fp); |
658 | } |
659 | |
660 | static void text_versionid(FILE *fp, word *text) { |
661 | rdstringc t = { 0, 0, NULL }; |
662 | |
663 | rdaddc(&t, '['); /* FIXME: configurability */ |
664 | text_rdaddwc(&t, text, NULL); |
665 | rdaddc(&t, ']'); /* FIXME: configurability */ |
666 | |
667 | fprintf(fp, "%s\n", t.text); |
668 | sfree(t.text); |
669 | } |