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; |
187 | |
188 | IGNORE(keywords); /* we don't happen to need this */ |
189 | IGNORE(idx); /* or this */ |
190 | |
191 | conf = text_configure(sourceform); |
192 | |
193 | /* |
194 | * Determine the output file name, and open the output file |
195 | * |
196 | * FIXME: want configurable output file names here. For the |
197 | * moment, we'll just call it `output.txt'. |
198 | */ |
199 | fp = fopen("output.txt", "w"); |
200 | if (!fp) { |
201 | error(err_cantopenw, "output.txt"); |
202 | return; |
203 | } |
204 | |
205 | /* Do the title */ |
206 | for (p = sourceform; p; p = p->next) |
207 | if (p->type == para_Title) |
208 | text_heading(fp, NULL, NULL, p->words, |
209 | conf.atitle, conf.indent, conf.width); |
210 | |
211 | /* Do the preamble and copyright */ |
212 | for (p = sourceform; p; p = p->next) |
213 | if (p->type == para_Preamble) |
214 | text_para(fp, NULL, NULL, p->words, |
215 | conf.indent_preambles ? conf.indent : 0, 0, |
216 | conf.width + (conf.indent_preambles ? 0 : conf.indent)); |
217 | for (p = sourceform; p; p = p->next) |
218 | if (p->type == para_Copyright) |
219 | text_para(fp, NULL, NULL, p->words, |
220 | conf.indent_preambles ? conf.indent : 0, 0, |
221 | conf.width + (conf.indent_preambles ? 0 : conf.indent)); |
222 | |
7136a6c7 |
223 | nestindent = conf.listindentbefore + conf.listindentafter; |
224 | nesting = 0; |
225 | |
d7482997 |
226 | /* Do the main document */ |
227 | for (p = sourceform; p; p = p->next) switch (p->type) { |
228 | |
2614b01d |
229 | case para_QuotePush: |
230 | nesting += 2; |
231 | break; |
232 | case para_QuotePop: |
233 | nesting -= 2; |
234 | assert(nesting >= 0); |
235 | break; |
236 | |
7136a6c7 |
237 | case para_LcontPush: |
2614b01d |
238 | nesting += nestindent; |
7136a6c7 |
239 | break; |
240 | case para_LcontPop: |
2614b01d |
241 | nesting -= nestindent; |
242 | assert(nesting >= 0); |
7136a6c7 |
243 | break; |
244 | |
d7482997 |
245 | /* |
246 | * Things we ignore because we've already processed them or |
247 | * aren't going to touch them in this pass. |
248 | */ |
249 | case para_IM: |
250 | case para_BR: |
251 | case para_Biblio: /* only touch BiblioCited */ |
252 | case para_VersionID: |
253 | case para_Copyright: |
254 | case para_Preamble: |
255 | case para_NoCite: |
256 | case para_Title: |
257 | break; |
258 | |
259 | /* |
260 | * Chapter titles. |
261 | */ |
262 | case para_Chapter: |
263 | case para_Appendix: |
264 | case para_UnnumberedChapter: |
265 | text_heading(fp, p->kwtext, p->kwtext2, p->words, |
266 | conf.achapter, conf.indent, conf.width); |
267 | break; |
268 | |
269 | case para_Heading: |
270 | case para_Subsect: |
271 | text_heading(fp, p->kwtext, p->kwtext2, p->words, |
272 | conf.asect[p->aux>=conf.nasect ? conf.nasect-1 : p->aux], |
273 | conf.indent, conf.width); |
274 | break; |
275 | |
276 | case para_Rule: |
2614b01d |
277 | text_rule(fp, conf.indent + nesting, conf.width - nesting); |
d7482997 |
278 | break; |
279 | |
280 | case para_Normal: |
7136a6c7 |
281 | case para_DescribedThing: |
282 | case para_Description: |
d7482997 |
283 | case para_BiblioCited: |
284 | case para_Bullet: |
285 | case para_NumberedList: |
286 | if (p->type == para_Bullet) { |
287 | prefix = &conf.bullet; |
288 | prefixextra = NULL; |
289 | indentb = conf.listindentbefore; |
290 | indenta = conf.listindentafter; |
291 | } else if (p->type == para_NumberedList) { |
292 | prefix = p->kwtext; |
293 | prefixextra = "."; /* FIXME: configurability */ |
294 | indentb = conf.listindentbefore; |
295 | indenta = conf.listindentafter; |
7136a6c7 |
296 | } else if (p->type == para_Description) { |
297 | prefix = NULL; |
298 | prefixextra = NULL; |
299 | indentb = conf.listindentbefore; |
300 | indenta = conf.listindentafter; |
d7482997 |
301 | } else { |
302 | prefix = NULL; |
303 | prefixextra = NULL; |
304 | indentb = indenta = 0; |
305 | } |
306 | if (p->type == para_BiblioCited) { |
307 | body = dup_word_list(p->kwtext); |
308 | for (wp = body; wp->next; wp = wp->next); |
309 | wp->next = &spaceword; |
310 | spaceword.next = p->words; |
311 | spaceword.alt = NULL; |
312 | spaceword.type = word_WhiteSpace; |
313 | spaceword.text = NULL; |
314 | } else { |
315 | wp = NULL; |
316 | body = p->words; |
317 | } |
318 | text_para(fp, prefix, prefixextra, body, |
2614b01d |
319 | conf.indent + nesting + indentb, indenta, |
320 | conf.width - nesting - indentb - indenta); |
d7482997 |
321 | if (wp) { |
322 | wp->next = NULL; |
323 | free_word_list(body); |
324 | } |
325 | break; |
326 | |
327 | case para_Code: |
7136a6c7 |
328 | text_codepara(fp, p->words, |
2614b01d |
329 | conf.indent + nesting + conf.indent_code, |
330 | conf.width - nesting - 2 * conf.indent_code); |
d7482997 |
331 | break; |
332 | } |
333 | |
334 | /* Do the version ID */ |
335 | if (conf.include_version_id) { |
336 | for (p = sourceform; p; p = p->next) |
337 | if (p->type == para_VersionID) |
338 | text_versionid(fp, p->words); |
339 | } |
340 | |
341 | /* |
342 | * Tidy up |
343 | */ |
344 | fclose(fp); |
677e18a2 |
345 | { |
346 | int i; |
347 | sfree(conf.achapter.number_suffix); |
348 | for (i = 0; i < conf.nasect; i++) |
349 | sfree(conf.asect[i].number_suffix); |
350 | sfree(conf.asect); |
351 | sfree(conf.bullet.text); |
352 | } |
d7482997 |
353 | } |
354 | |
355 | /* |
356 | * Convert a wide string into a string of chars. If `result' is |
357 | * non-NULL, mallocs the resulting string and stores a pointer to |
358 | * it in `*result'. If `result' is NULL, merely checks whether all |
359 | * characters in the string are feasible for the output character |
360 | * set. |
361 | * |
362 | * Return is nonzero if all characters are OK. If not all |
363 | * characters are OK but `result' is non-NULL, a result _will_ |
364 | * still be generated! |
365 | */ |
366 | static int text_convert(wchar_t *s, char **result) { |
367 | /* |
368 | * FIXME. Currently this is ISO8859-1 only. |
369 | */ |
370 | int doing = (result != 0); |
371 | int ok = TRUE; |
372 | char *p = NULL; |
373 | int plen = 0, psize = 0; |
374 | |
375 | for (; *s; s++) { |
376 | wchar_t c = *s; |
377 | char outc; |
378 | |
379 | if ((c >= 32 && c <= 126) || |
380 | (c >= 160 && c <= 255)) { |
381 | /* Char is OK. */ |
382 | outc = (char)c; |
383 | } else { |
384 | /* Char is not OK. */ |
385 | ok = FALSE; |
386 | outc = 0xBF; /* approximate the good old DEC `uh?' */ |
387 | } |
388 | if (doing) { |
389 | if (plen >= psize) { |
390 | psize = plen + 256; |
391 | p = resize(p, psize); |
392 | } |
393 | p[plen++] = outc; |
394 | } |
395 | } |
396 | if (doing) { |
397 | p = resize(p, plen+1); |
398 | p[plen] = '\0'; |
399 | *result = p; |
400 | } |
401 | return ok; |
402 | } |
403 | |
404 | static void text_rdaddwc(rdstringc *rs, word *text, word *end) { |
405 | char *c; |
406 | |
407 | for (; text && text != end; text = text->next) switch (text->type) { |
408 | case word_HyperLink: |
409 | case word_HyperEnd: |
410 | case word_UpperXref: |
411 | case word_LowerXref: |
412 | case word_XrefEnd: |
413 | case word_IndexRef: |
414 | break; |
415 | |
416 | case word_Normal: |
417 | case word_Emph: |
418 | case word_Code: |
419 | case word_WeakCode: |
420 | case word_WhiteSpace: |
421 | case word_EmphSpace: |
422 | case word_CodeSpace: |
423 | case word_WkCodeSpace: |
424 | case word_Quote: |
425 | case word_EmphQuote: |
426 | case word_CodeQuote: |
427 | case word_WkCodeQuote: |
428 | assert(text->type != word_CodeQuote && |
429 | text->type != word_WkCodeQuote); |
430 | if (towordstyle(text->type) == word_Emph && |
431 | (attraux(text->aux) == attr_First || |
432 | attraux(text->aux) == attr_Only)) |
433 | rdaddc(rs, '_'); /* FIXME: configurability */ |
434 | else if (towordstyle(text->type) == word_Code && |
435 | (attraux(text->aux) == attr_First || |
436 | attraux(text->aux) == attr_Only)) |
437 | rdaddc(rs, '`'); /* FIXME: configurability */ |
438 | if (removeattr(text->type) == word_Normal) { |
439 | if (text_convert(text->text, &c)) |
440 | rdaddsc(rs, c); |
441 | else |
442 | text_rdaddwc(rs, text->alt, NULL); |
443 | sfree(c); |
444 | } else if (removeattr(text->type) == word_WhiteSpace) { |
445 | rdaddc(rs, ' '); |
446 | } else if (removeattr(text->type) == word_Quote) { |
447 | rdaddc(rs, quoteaux(text->aux) == quote_Open ? '`' : '\''); |
448 | /* FIXME: configurability */ |
449 | } |
450 | if (towordstyle(text->type) == word_Emph && |
451 | (attraux(text->aux) == attr_Last || |
452 | attraux(text->aux) == attr_Only)) |
453 | rdaddc(rs, '_'); /* FIXME: configurability */ |
454 | else if (towordstyle(text->type) == word_Code && |
455 | (attraux(text->aux) == attr_Last || |
456 | attraux(text->aux) == attr_Only)) |
457 | rdaddc(rs, '\''); /* FIXME: configurability */ |
458 | break; |
459 | } |
460 | } |
461 | |
462 | static int text_width(word *); |
463 | |
464 | static int text_width_list(word *text) { |
465 | int w = 0; |
466 | while (text) { |
467 | w += text_width(text); |
468 | text = text->next; |
469 | } |
470 | return w; |
471 | } |
472 | |
473 | static int text_width(word *text) { |
474 | switch (text->type) { |
475 | case word_HyperLink: |
476 | case word_HyperEnd: |
477 | case word_UpperXref: |
478 | case word_LowerXref: |
479 | case word_XrefEnd: |
480 | case word_IndexRef: |
481 | return 0; |
482 | |
483 | case word_Normal: |
484 | case word_Emph: |
485 | case word_Code: |
486 | case word_WeakCode: |
487 | return (((text->type == word_Emph || |
488 | text->type == word_Code) |
489 | ? (attraux(text->aux) == attr_Only ? 2 : |
490 | attraux(text->aux) == attr_Always ? 0 : 1) |
491 | : 0) + |
492 | (text_convert(text->text, NULL) ? |
493 | ustrlen(text->text) : |
494 | text_width_list(text->alt))); |
495 | |
496 | case word_WhiteSpace: |
497 | case word_EmphSpace: |
498 | case word_CodeSpace: |
499 | case word_WkCodeSpace: |
500 | case word_Quote: |
501 | case word_EmphQuote: |
502 | case word_CodeQuote: |
503 | case word_WkCodeQuote: |
504 | assert(text->type != word_CodeQuote && |
505 | text->type != word_WkCodeQuote); |
506 | return (((towordstyle(text->type) == word_Emph || |
507 | towordstyle(text->type) == word_Code) |
508 | ? (attraux(text->aux) == attr_Only ? 2 : |
509 | attraux(text->aux) == attr_Always ? 0 : 1) |
510 | : 0) + 1); |
511 | } |
512 | return 0; /* should never happen */ |
513 | } |
514 | |
515 | static void text_heading(FILE *fp, word *tprefix, word *nprefix, word *text, |
516 | alignstruct align, int indent, int width) { |
517 | rdstringc t = { 0, 0, NULL }; |
518 | int margin, length; |
519 | int firstlinewidth, wrapwidth; |
520 | wrappedline *wrapping, *p; |
521 | |
522 | if (align.just_numbers && nprefix) { |
63223c78 |
523 | char *c; |
d7482997 |
524 | text_rdaddwc(&t, nprefix, NULL); |
63223c78 |
525 | if (text_convert(align.number_suffix, &c)) { |
526 | rdaddsc(&t, c); |
527 | sfree(c); |
528 | } |
d7482997 |
529 | } else if (!align.just_numbers && tprefix) { |
63223c78 |
530 | char *c; |
d7482997 |
531 | text_rdaddwc(&t, tprefix, NULL); |
63223c78 |
532 | if (text_convert(align.number_suffix, &c)) { |
533 | rdaddsc(&t, c); |
534 | sfree(c); |
535 | } |
d7482997 |
536 | } |
537 | margin = length = (t.text ? strlen(t.text) : 0); |
538 | |
539 | if (align.align == LEFTPLUS) { |
540 | margin = indent - margin; |
541 | if (margin < 0) margin = 0; |
542 | firstlinewidth = indent + width - margin - length; |
543 | wrapwidth = width; |
544 | } else if (align.align == LEFT || align.align == CENTRE) { |
545 | margin = 0; |
546 | firstlinewidth = indent + width - length; |
547 | wrapwidth = indent + width; |
548 | } |
549 | |
550 | wrapping = wrap_para(text, firstlinewidth, wrapwidth, text_width); |
551 | for (p = wrapping; p; p = p->next) { |
552 | text_rdaddwc(&t, p->begin, p->end); |
553 | length = (t.text ? strlen(t.text) : 0); |
554 | if (align.align == CENTRE) { |
555 | margin = (indent + width - length)/2; |
556 | if (margin < 0) margin = 0; |
557 | } |
558 | fprintf(fp, "%*s%s\n", margin, "", t.text); |
559 | if (align.underline != L'\0') { |
560 | char *u, uc; |
561 | wchar_t uw[2]; |
562 | uw[0] = align.underline; uw[1] = L'\0'; |
563 | text_convert(uw, &u); |
564 | uc = u[0]; |
565 | sfree(u); |
566 | fprintf(fp, "%*s", margin, ""); |
567 | while (length--) |
568 | putc(uc, fp); |
569 | putc('\n', fp); |
570 | } |
571 | if (align.align == LEFTPLUS) |
572 | margin = indent; |
573 | else |
574 | margin = 0; |
575 | sfree(t.text); |
576 | t = empty_rdstringc; |
577 | } |
578 | wrap_free(wrapping); |
579 | putc('\n', fp); |
580 | |
581 | sfree(t.text); |
582 | } |
583 | |
584 | static void text_rule(FILE *fp, int indent, int width) { |
585 | while (indent--) putc(' ', fp); |
586 | while (width--) putc('-', fp); /* FIXME: configurability! */ |
587 | putc('\n', fp); |
588 | putc('\n', fp); |
589 | } |
590 | |
591 | static void text_para(FILE *fp, word *prefix, char *prefixextra, word *text, |
592 | int indent, int extraindent, int width) { |
593 | wrappedline *wrapping, *p; |
594 | rdstringc pfx = { 0, 0, NULL }; |
595 | int e; |
596 | int firstlinewidth = width; |
597 | |
598 | if (prefix) { |
599 | text_rdaddwc(&pfx, prefix, NULL); |
600 | if (prefixextra) |
601 | rdaddsc(&pfx, prefixextra); |
602 | fprintf(fp, "%*s%s", indent, "", pfx.text); |
c83c6495 |
603 | /* If the prefix is too long, shorten the first line to fit. */ |
d7482997 |
604 | e = extraindent - strlen(pfx.text); |
605 | if (e < 0) { |
c83c6495 |
606 | firstlinewidth += e; /* this decreases it, since e < 0 */ |
d7482997 |
607 | if (firstlinewidth < 0) { |
608 | e = indent + extraindent; |
609 | firstlinewidth = width; |
610 | fprintf(fp, "\n"); |
c83c6495 |
611 | } else |
612 | e = 0; |
d7482997 |
613 | } |
614 | sfree(pfx.text); |
615 | } else |
616 | e = indent + extraindent; |
617 | |
618 | wrapping = wrap_para(text, firstlinewidth, width, text_width); |
619 | for (p = wrapping; p; p = p->next) { |
620 | rdstringc t = { 0, 0, NULL }; |
621 | text_rdaddwc(&t, p->begin, p->end); |
622 | fprintf(fp, "%*s%s\n", e, "", t.text); |
623 | e = indent + extraindent; |
624 | sfree(t.text); |
625 | } |
626 | wrap_free(wrapping); |
627 | putc('\n', fp); |
628 | } |
629 | |
630 | static void text_codepara(FILE *fp, word *text, int indent, int width) { |
631 | for (; text; text = text->next) if (text->type == word_WeakCode) { |
632 | char *c; |
633 | text_convert(text->text, &c); |
634 | if (strlen(c) > (size_t)width) { |
635 | /* FIXME: warn */ |
636 | } |
637 | fprintf(fp, "%*s%s\n", indent, "", c); |
638 | sfree(c); |
639 | } |
640 | |
641 | putc('\n', fp); |
642 | } |
643 | |
644 | static void text_versionid(FILE *fp, word *text) { |
645 | rdstringc t = { 0, 0, NULL }; |
646 | |
647 | rdaddc(&t, '['); /* FIXME: configurability */ |
648 | text_rdaddwc(&t, text, NULL); |
649 | rdaddc(&t, ']'); /* FIXME: configurability */ |
650 | |
651 | fprintf(fp, "%s\n", t.text); |
652 | sfree(t.text); |
653 | } |