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; |
27 | } textconfig; |
28 | |
29 | static int text_convert(wchar_t *, char **); |
30 | |
31 | static void text_heading(FILE *, word *, word *, word *, alignstruct, int,int); |
32 | static void text_rule(FILE *, int, int); |
33 | static void text_para(FILE *, word *, char *, word *, int, int, int); |
34 | static void text_codepara(FILE *, word *, int, int); |
35 | static void text_versionid(FILE *, word *); |
36 | |
37 | static alignment utoalign(wchar_t *p) { |
38 | if (!ustricmp(p, L"centre") || !ustricmp(p, L"center")) |
39 | return CENTRE; |
40 | if (!ustricmp(p, L"leftplus")) |
41 | return LEFTPLUS; |
42 | return LEFT; |
43 | } |
44 | |
45 | static textconfig text_configure(paragraph *source) { |
46 | textconfig ret; |
47 | |
48 | /* |
49 | * Non-negotiables. |
50 | */ |
51 | ret.bullet.next = NULL; |
52 | ret.bullet.alt = NULL; |
53 | ret.bullet.type = word_Normal; |
54 | ret.atitle.just_numbers = FALSE; /* ignored */ |
55 | |
56 | /* |
57 | * Defaults. |
58 | */ |
59 | ret.indent = 7; |
60 | ret.indent_code = 2; |
61 | ret.listindentbefore = 1; |
62 | ret.listindentafter = 3; |
63 | ret.width = 68; |
64 | ret.atitle.align = CENTRE; |
65 | ret.atitle.underline = L'='; |
66 | ret.achapter.align = LEFT; |
67 | ret.achapter.just_numbers = FALSE; |
63223c78 |
68 | ret.achapter.number_suffix = ustrdup(L": "); |
d7482997 |
69 | ret.achapter.underline = L'-'; |
70 | ret.nasect = 1; |
71 | ret.asect = mknewa(alignstruct, ret.nasect); |
72 | ret.asect[0].align = LEFTPLUS; |
73 | ret.asect[0].just_numbers = TRUE; |
63223c78 |
74 | ret.asect[0].number_suffix = ustrdup(L" "); |
d7482997 |
75 | ret.asect[0].underline = L'\0'; |
76 | ret.include_version_id = TRUE; |
77 | ret.indent_preambles = FALSE; |
78 | ret.bullet.text = ustrdup(L"-"); |
79 | |
80 | for (; source; source = source->next) { |
81 | if (source->type == para_Config) { |
82 | if (!ustricmp(source->keyword, L"text-indent")) { |
83 | ret.indent = utoi(uadv(source->keyword)); |
84 | } else if (!ustricmp(source->keyword, L"text-indent-code")) { |
85 | ret.indent_code = utoi(uadv(source->keyword)); |
86 | } else if (!ustricmp(source->keyword, L"text-width")) { |
87 | ret.width = utoi(uadv(source->keyword)); |
88 | } else if (!ustricmp(source->keyword, L"text-list-indent")) { |
89 | ret.listindentbefore = utoi(uadv(source->keyword)); |
90 | } else if (!ustricmp(source->keyword, L"text-listitem-indent")) { |
91 | ret.listindentafter = utoi(uadv(source->keyword)); |
92 | } else if (!ustricmp(source->keyword, L"text-chapter-align")) { |
93 | ret.achapter.align = utoalign(uadv(source->keyword)); |
94 | } else if (!ustricmp(source->keyword, L"text-chapter-underline")) { |
95 | ret.achapter.underline = *uadv(source->keyword); |
96 | } else if (!ustricmp(source->keyword, L"text-chapter-numeric")) { |
c83c6495 |
97 | ret.achapter.just_numbers = utob(uadv(source->keyword)); |
63223c78 |
98 | } else if (!ustricmp(source->keyword, L"text-chapter-suffix")) { |
a0f2c111 |
99 | ret.achapter.number_suffix = ustrdup(uadv(source->keyword)); |
d7482997 |
100 | } else if (!ustricmp(source->keyword, L"text-section-align")) { |
101 | wchar_t *p = uadv(source->keyword); |
102 | int n = 0; |
103 | if (uisdigit(*p)) { |
104 | n = utoi(p); |
105 | p = uadv(p); |
106 | } |
107 | if (n >= ret.nasect) { |
108 | int i; |
109 | ret.asect = resize(ret.asect, n+1); |
110 | for (i = ret.nasect; i <= n; i++) |
111 | ret.asect[i] = ret.asect[ret.nasect-1]; |
112 | ret.nasect = n+1; |
113 | } |
114 | ret.asect[n].align = utoalign(p); |
115 | } else if (!ustricmp(source->keyword, L"text-section-underline")) { |
116 | wchar_t *p = uadv(source->keyword); |
117 | int n = 0; |
118 | if (uisdigit(*p)) { |
119 | n = utoi(p); |
120 | p = uadv(p); |
121 | } |
122 | if (n >= ret.nasect) { |
123 | int i; |
124 | ret.asect = resize(ret.asect, n+1); |
125 | for (i = ret.nasect; i <= n; i++) |
126 | ret.asect[i] = ret.asect[ret.nasect-1]; |
127 | ret.nasect = n+1; |
128 | } |
129 | ret.asect[n].underline = *p; |
130 | } else if (!ustricmp(source->keyword, L"text-section-numeric")) { |
131 | wchar_t *p = uadv(source->keyword); |
132 | int n = 0; |
133 | if (uisdigit(*p)) { |
134 | n = utoi(p); |
135 | p = uadv(p); |
136 | } |
137 | if (n >= ret.nasect) { |
138 | int i; |
139 | ret.asect = resize(ret.asect, n+1); |
140 | for (i = ret.nasect; i <= n; i++) |
141 | ret.asect[i] = ret.asect[ret.nasect-1]; |
142 | ret.nasect = n+1; |
143 | } |
144 | ret.asect[n].just_numbers = utob(p); |
63223c78 |
145 | } else if (!ustricmp(source->keyword, L"text-section-suffix")) { |
146 | wchar_t *p = uadv(source->keyword); |
147 | int n = 0; |
148 | if (uisdigit(*p)) { |
149 | n = utoi(p); |
150 | p = uadv(p); |
151 | } |
152 | if (n >= ret.nasect) { |
153 | int i; |
154 | ret.asect = resize(ret.asect, n+1); |
155 | for (i = ret.nasect; i <= n; i++) |
156 | ret.asect[i] = ret.asect[ret.nasect-1]; |
157 | ret.nasect = n+1; |
158 | } |
a0f2c111 |
159 | ret.asect[n].number_suffix = ustrdup(p); |
d7482997 |
160 | } else if (!ustricmp(source->keyword, L"text-title-align")) { |
161 | ret.atitle.align = utoalign(uadv(source->keyword)); |
162 | } else if (!ustricmp(source->keyword, L"text-title-underline")) { |
163 | ret.atitle.underline = *uadv(source->keyword); |
164 | } else if (!ustricmp(source->keyword, L"text-versionid")) { |
165 | ret.include_version_id = utob(uadv(source->keyword)); |
166 | } else if (!ustricmp(source->keyword, L"text-indent-preamble")) { |
167 | ret.indent_preambles = utob(uadv(source->keyword)); |
168 | } else if (!ustricmp(source->keyword, L"text-bullet")) { |
169 | ret.bullet.text = uadv(source->keyword); |
170 | } |
171 | } |
172 | } |
173 | |
174 | return ret; |
175 | } |
176 | |
177 | void text_backend(paragraph *sourceform, keywordlist *keywords, |
178 | indexdata *idx) { |
179 | paragraph *p; |
180 | textconfig conf; |
181 | word *prefix, *body, *wp; |
182 | word spaceword; |
183 | FILE *fp; |
184 | char *prefixextra; |
7136a6c7 |
185 | int nesting, nestindent; |
d7482997 |
186 | int indentb, indenta; |
8902e0ed |
187 | int done_copyright; |
d7482997 |
188 | |
189 | IGNORE(keywords); /* we don't happen to need this */ |
190 | IGNORE(idx); /* or this */ |
191 | |
192 | conf = text_configure(sourceform); |
193 | |
194 | /* |
195 | * Determine the output file name, and open the output file |
196 | * |
197 | * FIXME: want configurable output file names here. For the |
198 | * moment, we'll just call it `output.txt'. |
199 | */ |
200 | fp = fopen("output.txt", "w"); |
201 | if (!fp) { |
202 | error(err_cantopenw, "output.txt"); |
203 | return; |
204 | } |
205 | |
206 | /* Do the title */ |
207 | for (p = sourceform; p; p = p->next) |
208 | if (p->type == para_Title) |
209 | text_heading(fp, NULL, NULL, p->words, |
210 | conf.atitle, conf.indent, conf.width); |
211 | |
7136a6c7 |
212 | nestindent = conf.listindentbefore + conf.listindentafter; |
8902e0ed |
213 | nesting = (conf.indent_preambles ? 0 : -conf.indent); |
214 | done_copyright = FALSE; |
7136a6c7 |
215 | |
d7482997 |
216 | /* Do the main document */ |
217 | for (p = sourceform; p; p = p->next) switch (p->type) { |
218 | |
2614b01d |
219 | case para_QuotePush: |
220 | nesting += 2; |
221 | break; |
222 | case para_QuotePop: |
223 | nesting -= 2; |
224 | assert(nesting >= 0); |
225 | break; |
226 | |
7136a6c7 |
227 | case para_LcontPush: |
2614b01d |
228 | nesting += nestindent; |
7136a6c7 |
229 | break; |
230 | case para_LcontPop: |
2614b01d |
231 | nesting -= nestindent; |
232 | assert(nesting >= 0); |
7136a6c7 |
233 | break; |
234 | |
d7482997 |
235 | /* |
236 | * Things we ignore because we've already processed them or |
237 | * aren't going to touch them in this pass. |
238 | */ |
239 | case para_IM: |
240 | case para_BR: |
241 | case para_Biblio: /* only touch BiblioCited */ |
242 | case para_VersionID: |
243 | case para_Copyright: |
d7482997 |
244 | case para_NoCite: |
245 | case para_Title: |
246 | break; |
247 | |
248 | /* |
249 | * Chapter titles. |
250 | */ |
251 | case para_Chapter: |
252 | case para_Appendix: |
253 | case para_UnnumberedChapter: |
8902e0ed |
254 | /* |
255 | * The copyright should come after the preamble but before |
256 | * the first chapter title. |
257 | */ |
258 | if (!done_copyright) { |
259 | paragraph *p; |
260 | |
261 | for (p = sourceform; p; p = p->next) |
262 | if (p->type == para_Copyright) |
263 | text_para(fp, NULL, NULL, p->words, |
264 | conf.indent + nesting, 0, conf.width - nesting); |
265 | done_copyright = TRUE; |
266 | } |
d7482997 |
267 | text_heading(fp, p->kwtext, p->kwtext2, p->words, |
268 | conf.achapter, conf.indent, conf.width); |
8902e0ed |
269 | nesting = 0; |
d7482997 |
270 | break; |
271 | |
272 | case para_Heading: |
273 | case para_Subsect: |
274 | text_heading(fp, p->kwtext, p->kwtext2, p->words, |
275 | conf.asect[p->aux>=conf.nasect ? conf.nasect-1 : p->aux], |
276 | conf.indent, conf.width); |
277 | break; |
278 | |
279 | case para_Rule: |
2614b01d |
280 | text_rule(fp, conf.indent + nesting, conf.width - nesting); |
d7482997 |
281 | break; |
282 | |
283 | case para_Normal: |
7136a6c7 |
284 | case para_DescribedThing: |
285 | case para_Description: |
d7482997 |
286 | case para_BiblioCited: |
287 | case para_Bullet: |
288 | case para_NumberedList: |
289 | if (p->type == para_Bullet) { |
290 | prefix = &conf.bullet; |
291 | prefixextra = NULL; |
292 | indentb = conf.listindentbefore; |
293 | indenta = conf.listindentafter; |
294 | } else if (p->type == para_NumberedList) { |
295 | prefix = p->kwtext; |
296 | prefixextra = "."; /* FIXME: configurability */ |
297 | indentb = conf.listindentbefore; |
298 | indenta = conf.listindentafter; |
7136a6c7 |
299 | } else if (p->type == para_Description) { |
300 | prefix = NULL; |
301 | prefixextra = NULL; |
302 | indentb = conf.listindentbefore; |
303 | indenta = conf.listindentafter; |
d7482997 |
304 | } else { |
305 | prefix = NULL; |
306 | prefixextra = NULL; |
307 | indentb = indenta = 0; |
308 | } |
309 | if (p->type == para_BiblioCited) { |
310 | body = dup_word_list(p->kwtext); |
311 | for (wp = body; wp->next; wp = wp->next); |
312 | wp->next = &spaceword; |
313 | spaceword.next = p->words; |
314 | spaceword.alt = NULL; |
315 | spaceword.type = word_WhiteSpace; |
316 | spaceword.text = NULL; |
317 | } else { |
318 | wp = NULL; |
319 | body = p->words; |
320 | } |
321 | text_para(fp, prefix, prefixextra, body, |
2614b01d |
322 | conf.indent + nesting + indentb, indenta, |
323 | conf.width - nesting - indentb - indenta); |
d7482997 |
324 | if (wp) { |
325 | wp->next = NULL; |
326 | free_word_list(body); |
327 | } |
328 | break; |
329 | |
330 | case para_Code: |
7136a6c7 |
331 | text_codepara(fp, p->words, |
2614b01d |
332 | conf.indent + nesting + conf.indent_code, |
333 | conf.width - nesting - 2 * conf.indent_code); |
d7482997 |
334 | break; |
335 | } |
336 | |
337 | /* Do the version ID */ |
338 | if (conf.include_version_id) { |
339 | for (p = sourceform; p; p = p->next) |
340 | if (p->type == para_VersionID) |
341 | text_versionid(fp, p->words); |
342 | } |
343 | |
344 | /* |
345 | * Tidy up |
346 | */ |
347 | fclose(fp); |
677e18a2 |
348 | { |
349 | int i; |
350 | sfree(conf.achapter.number_suffix); |
351 | for (i = 0; i < conf.nasect; i++) |
352 | sfree(conf.asect[i].number_suffix); |
353 | sfree(conf.asect); |
354 | sfree(conf.bullet.text); |
355 | } |
d7482997 |
356 | } |
357 | |
358 | /* |
359 | * Convert a wide string into a string of chars. If `result' is |
360 | * non-NULL, mallocs the resulting string and stores a pointer to |
361 | * it in `*result'. If `result' is NULL, merely checks whether all |
362 | * characters in the string are feasible for the output character |
363 | * set. |
364 | * |
365 | * Return is nonzero if all characters are OK. If not all |
366 | * characters are OK but `result' is non-NULL, a result _will_ |
367 | * still be generated! |
368 | */ |
369 | static int text_convert(wchar_t *s, char **result) { |
370 | /* |
371 | * FIXME. Currently this is ISO8859-1 only. |
372 | */ |
373 | int doing = (result != 0); |
374 | int ok = TRUE; |
375 | char *p = NULL; |
376 | int plen = 0, psize = 0; |
377 | |
378 | for (; *s; s++) { |
379 | wchar_t c = *s; |
380 | char outc; |
381 | |
382 | if ((c >= 32 && c <= 126) || |
383 | (c >= 160 && c <= 255)) { |
384 | /* Char is OK. */ |
385 | outc = (char)c; |
386 | } else { |
387 | /* Char is not OK. */ |
388 | ok = FALSE; |
389 | outc = 0xBF; /* approximate the good old DEC `uh?' */ |
390 | } |
391 | if (doing) { |
392 | if (plen >= psize) { |
393 | psize = plen + 256; |
394 | p = resize(p, psize); |
395 | } |
396 | p[plen++] = outc; |
397 | } |
398 | } |
399 | if (doing) { |
400 | p = resize(p, plen+1); |
401 | p[plen] = '\0'; |
402 | *result = p; |
403 | } |
404 | return ok; |
405 | } |
406 | |
407 | static void text_rdaddwc(rdstringc *rs, word *text, word *end) { |
408 | char *c; |
409 | |
410 | for (; text && text != end; text = text->next) switch (text->type) { |
411 | case word_HyperLink: |
412 | case word_HyperEnd: |
413 | case word_UpperXref: |
414 | case word_LowerXref: |
415 | case word_XrefEnd: |
416 | case word_IndexRef: |
417 | break; |
418 | |
419 | case word_Normal: |
420 | case word_Emph: |
421 | case word_Code: |
422 | case word_WeakCode: |
423 | case word_WhiteSpace: |
424 | case word_EmphSpace: |
425 | case word_CodeSpace: |
426 | case word_WkCodeSpace: |
427 | case word_Quote: |
428 | case word_EmphQuote: |
429 | case word_CodeQuote: |
430 | case word_WkCodeQuote: |
431 | assert(text->type != word_CodeQuote && |
432 | text->type != word_WkCodeQuote); |
433 | if (towordstyle(text->type) == word_Emph && |
434 | (attraux(text->aux) == attr_First || |
435 | attraux(text->aux) == attr_Only)) |
436 | rdaddc(rs, '_'); /* FIXME: configurability */ |
437 | else if (towordstyle(text->type) == word_Code && |
438 | (attraux(text->aux) == attr_First || |
439 | attraux(text->aux) == attr_Only)) |
440 | rdaddc(rs, '`'); /* FIXME: configurability */ |
441 | if (removeattr(text->type) == word_Normal) { |
442 | if (text_convert(text->text, &c)) |
443 | rdaddsc(rs, c); |
444 | else |
445 | text_rdaddwc(rs, text->alt, NULL); |
446 | sfree(c); |
447 | } else if (removeattr(text->type) == word_WhiteSpace) { |
448 | rdaddc(rs, ' '); |
449 | } else if (removeattr(text->type) == word_Quote) { |
450 | rdaddc(rs, quoteaux(text->aux) == quote_Open ? '`' : '\''); |
451 | /* FIXME: configurability */ |
452 | } |
453 | if (towordstyle(text->type) == word_Emph && |
454 | (attraux(text->aux) == attr_Last || |
455 | attraux(text->aux) == attr_Only)) |
456 | rdaddc(rs, '_'); /* FIXME: configurability */ |
457 | else if (towordstyle(text->type) == word_Code && |
458 | (attraux(text->aux) == attr_Last || |
459 | attraux(text->aux) == attr_Only)) |
460 | rdaddc(rs, '\''); /* FIXME: configurability */ |
461 | break; |
462 | } |
463 | } |
464 | |
465 | static int text_width(word *); |
466 | |
467 | static int text_width_list(word *text) { |
468 | int w = 0; |
469 | while (text) { |
470 | w += text_width(text); |
471 | text = text->next; |
472 | } |
473 | return w; |
474 | } |
475 | |
476 | static int text_width(word *text) { |
477 | switch (text->type) { |
478 | case word_HyperLink: |
479 | case word_HyperEnd: |
480 | case word_UpperXref: |
481 | case word_LowerXref: |
482 | case word_XrefEnd: |
483 | case word_IndexRef: |
484 | return 0; |
485 | |
486 | case word_Normal: |
487 | case word_Emph: |
488 | case word_Code: |
489 | case word_WeakCode: |
490 | return (((text->type == word_Emph || |
491 | text->type == word_Code) |
492 | ? (attraux(text->aux) == attr_Only ? 2 : |
493 | attraux(text->aux) == attr_Always ? 0 : 1) |
494 | : 0) + |
495 | (text_convert(text->text, NULL) ? |
496 | ustrlen(text->text) : |
497 | text_width_list(text->alt))); |
498 | |
499 | case word_WhiteSpace: |
500 | case word_EmphSpace: |
501 | case word_CodeSpace: |
502 | case word_WkCodeSpace: |
503 | case word_Quote: |
504 | case word_EmphQuote: |
505 | case word_CodeQuote: |
506 | case word_WkCodeQuote: |
507 | assert(text->type != word_CodeQuote && |
508 | text->type != word_WkCodeQuote); |
509 | return (((towordstyle(text->type) == word_Emph || |
510 | towordstyle(text->type) == word_Code) |
511 | ? (attraux(text->aux) == attr_Only ? 2 : |
512 | attraux(text->aux) == attr_Always ? 0 : 1) |
513 | : 0) + 1); |
514 | } |
515 | return 0; /* should never happen */ |
516 | } |
517 | |
518 | static void text_heading(FILE *fp, word *tprefix, word *nprefix, word *text, |
519 | alignstruct align, int indent, int width) { |
520 | rdstringc t = { 0, 0, NULL }; |
521 | int margin, length; |
522 | int firstlinewidth, wrapwidth; |
523 | wrappedline *wrapping, *p; |
524 | |
525 | if (align.just_numbers && nprefix) { |
63223c78 |
526 | char *c; |
d7482997 |
527 | text_rdaddwc(&t, nprefix, NULL); |
63223c78 |
528 | if (text_convert(align.number_suffix, &c)) { |
529 | rdaddsc(&t, c); |
530 | sfree(c); |
531 | } |
d7482997 |
532 | } else if (!align.just_numbers && tprefix) { |
63223c78 |
533 | char *c; |
d7482997 |
534 | text_rdaddwc(&t, tprefix, NULL); |
63223c78 |
535 | if (text_convert(align.number_suffix, &c)) { |
536 | rdaddsc(&t, c); |
537 | sfree(c); |
538 | } |
d7482997 |
539 | } |
540 | margin = length = (t.text ? strlen(t.text) : 0); |
541 | |
542 | if (align.align == LEFTPLUS) { |
543 | margin = indent - margin; |
544 | if (margin < 0) margin = 0; |
545 | firstlinewidth = indent + width - margin - length; |
546 | wrapwidth = width; |
547 | } else if (align.align == LEFT || align.align == CENTRE) { |
548 | margin = 0; |
549 | firstlinewidth = indent + width - length; |
550 | wrapwidth = indent + width; |
551 | } |
552 | |
553 | wrapping = wrap_para(text, firstlinewidth, wrapwidth, text_width); |
554 | for (p = wrapping; p; p = p->next) { |
555 | text_rdaddwc(&t, p->begin, p->end); |
556 | length = (t.text ? strlen(t.text) : 0); |
557 | if (align.align == CENTRE) { |
558 | margin = (indent + width - length)/2; |
559 | if (margin < 0) margin = 0; |
560 | } |
561 | fprintf(fp, "%*s%s\n", margin, "", t.text); |
562 | if (align.underline != L'\0') { |
563 | char *u, uc; |
564 | wchar_t uw[2]; |
565 | uw[0] = align.underline; uw[1] = L'\0'; |
566 | text_convert(uw, &u); |
567 | uc = u[0]; |
568 | sfree(u); |
569 | fprintf(fp, "%*s", margin, ""); |
570 | while (length--) |
571 | putc(uc, fp); |
572 | putc('\n', fp); |
573 | } |
574 | if (align.align == LEFTPLUS) |
575 | margin = indent; |
576 | else |
577 | margin = 0; |
578 | sfree(t.text); |
579 | t = empty_rdstringc; |
580 | } |
581 | wrap_free(wrapping); |
582 | putc('\n', fp); |
583 | |
584 | sfree(t.text); |
585 | } |
586 | |
587 | static void text_rule(FILE *fp, int indent, int width) { |
588 | while (indent--) putc(' ', fp); |
589 | while (width--) putc('-', fp); /* FIXME: configurability! */ |
590 | putc('\n', fp); |
591 | putc('\n', fp); |
592 | } |
593 | |
594 | static void text_para(FILE *fp, word *prefix, char *prefixextra, word *text, |
595 | int indent, int extraindent, int width) { |
596 | wrappedline *wrapping, *p; |
597 | rdstringc pfx = { 0, 0, NULL }; |
598 | int e; |
599 | int firstlinewidth = width; |
600 | |
601 | if (prefix) { |
602 | text_rdaddwc(&pfx, prefix, NULL); |
603 | if (prefixextra) |
604 | rdaddsc(&pfx, prefixextra); |
605 | fprintf(fp, "%*s%s", indent, "", pfx.text); |
c83c6495 |
606 | /* If the prefix is too long, shorten the first line to fit. */ |
d7482997 |
607 | e = extraindent - strlen(pfx.text); |
608 | if (e < 0) { |
c83c6495 |
609 | firstlinewidth += e; /* this decreases it, since e < 0 */ |
d7482997 |
610 | if (firstlinewidth < 0) { |
611 | e = indent + extraindent; |
612 | firstlinewidth = width; |
613 | fprintf(fp, "\n"); |
c83c6495 |
614 | } else |
615 | e = 0; |
d7482997 |
616 | } |
617 | sfree(pfx.text); |
618 | } else |
619 | e = indent + extraindent; |
620 | |
621 | wrapping = wrap_para(text, firstlinewidth, width, text_width); |
622 | for (p = wrapping; p; p = p->next) { |
623 | rdstringc t = { 0, 0, NULL }; |
624 | text_rdaddwc(&t, p->begin, p->end); |
625 | fprintf(fp, "%*s%s\n", e, "", t.text); |
626 | e = indent + extraindent; |
627 | sfree(t.text); |
628 | } |
629 | wrap_free(wrapping); |
630 | putc('\n', fp); |
631 | } |
632 | |
633 | static void text_codepara(FILE *fp, word *text, int indent, int width) { |
634 | for (; text; text = text->next) if (text->type == word_WeakCode) { |
635 | char *c; |
636 | text_convert(text->text, &c); |
637 | if (strlen(c) > (size_t)width) { |
638 | /* FIXME: warn */ |
639 | } |
640 | fprintf(fp, "%*s%s\n", indent, "", c); |
641 | sfree(c); |
642 | } |
643 | |
644 | putc('\n', fp); |
645 | } |
646 | |
647 | static void text_versionid(FILE *fp, word *text) { |
648 | rdstringc t = { 0, 0, NULL }; |
649 | |
650 | rdaddc(&t, '['); /* FIXME: configurability */ |
651 | text_rdaddwc(&t, text, NULL); |
652 | rdaddc(&t, ']'); /* FIXME: configurability */ |
653 | |
654 | fprintf(fp, "%s\n", t.text); |
655 | sfree(t.text); |
656 | } |