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, |
212 | indexdata *idx) { |
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 | |
222 | IGNORE(keywords); /* we don't happen to need this */ |
223 | IGNORE(idx); /* or this */ |
224 | |
225 | conf = text_configure(sourceform); |
226 | |
227 | /* |
50d6b4bd |
228 | * Open the output file. |
d7482997 |
229 | */ |
50d6b4bd |
230 | fp = fopen(conf.filename, "w"); |
d7482997 |
231 | if (!fp) { |
50d6b4bd |
232 | error(err_cantopenw, conf.filename); |
d7482997 |
233 | return; |
234 | } |
235 | |
236 | /* Do the title */ |
237 | for (p = sourceform; p; p = p->next) |
238 | if (p->type == para_Title) |
239 | text_heading(fp, NULL, NULL, p->words, |
240 | conf.atitle, conf.indent, conf.width); |
241 | |
7136a6c7 |
242 | nestindent = conf.listindentbefore + conf.listindentafter; |
8902e0ed |
243 | nesting = (conf.indent_preambles ? 0 : -conf.indent); |
7136a6c7 |
244 | |
d7482997 |
245 | /* Do the main document */ |
246 | for (p = sourceform; p; p = p->next) switch (p->type) { |
247 | |
2614b01d |
248 | case para_QuotePush: |
249 | nesting += 2; |
250 | break; |
251 | case para_QuotePop: |
252 | nesting -= 2; |
253 | assert(nesting >= 0); |
254 | break; |
255 | |
7136a6c7 |
256 | case para_LcontPush: |
2614b01d |
257 | nesting += nestindent; |
7136a6c7 |
258 | break; |
259 | case para_LcontPop: |
2614b01d |
260 | nesting -= nestindent; |
261 | assert(nesting >= 0); |
7136a6c7 |
262 | break; |
263 | |
d7482997 |
264 | /* |
265 | * Things we ignore because we've already processed them or |
266 | * aren't going to touch them in this pass. |
267 | */ |
268 | case para_IM: |
269 | case para_BR: |
270 | case para_Biblio: /* only touch BiblioCited */ |
271 | case para_VersionID: |
d7482997 |
272 | case para_NoCite: |
273 | case para_Title: |
274 | break; |
275 | |
276 | /* |
277 | * Chapter titles. |
278 | */ |
279 | case para_Chapter: |
280 | case para_Appendix: |
281 | case para_UnnumberedChapter: |
282 | text_heading(fp, p->kwtext, p->kwtext2, p->words, |
283 | conf.achapter, conf.indent, conf.width); |
8902e0ed |
284 | nesting = 0; |
d7482997 |
285 | break; |
286 | |
287 | case para_Heading: |
288 | case para_Subsect: |
289 | text_heading(fp, p->kwtext, p->kwtext2, p->words, |
290 | conf.asect[p->aux>=conf.nasect ? conf.nasect-1 : p->aux], |
291 | conf.indent, conf.width); |
292 | break; |
293 | |
294 | case para_Rule: |
2614b01d |
295 | text_rule(fp, conf.indent + nesting, conf.width - nesting); |
d7482997 |
296 | break; |
297 | |
298 | case para_Normal: |
9057a0a8 |
299 | case para_Copyright: |
7136a6c7 |
300 | case para_DescribedThing: |
301 | case para_Description: |
d7482997 |
302 | case para_BiblioCited: |
303 | case para_Bullet: |
304 | case para_NumberedList: |
305 | if (p->type == para_Bullet) { |
306 | prefix = &conf.bullet; |
307 | prefixextra = NULL; |
308 | indentb = conf.listindentbefore; |
309 | indenta = conf.listindentafter; |
310 | } else if (p->type == para_NumberedList) { |
311 | prefix = p->kwtext; |
312 | prefixextra = "."; /* FIXME: configurability */ |
313 | indentb = conf.listindentbefore; |
314 | indenta = conf.listindentafter; |
7136a6c7 |
315 | } else if (p->type == para_Description) { |
316 | prefix = NULL; |
317 | prefixextra = NULL; |
318 | indentb = conf.listindentbefore; |
319 | indenta = conf.listindentafter; |
d7482997 |
320 | } else { |
321 | prefix = NULL; |
322 | prefixextra = NULL; |
323 | indentb = indenta = 0; |
324 | } |
325 | if (p->type == para_BiblioCited) { |
326 | body = dup_word_list(p->kwtext); |
327 | for (wp = body; wp->next; wp = wp->next); |
328 | wp->next = &spaceword; |
329 | spaceword.next = p->words; |
330 | spaceword.alt = NULL; |
331 | spaceword.type = word_WhiteSpace; |
332 | spaceword.text = NULL; |
333 | } else { |
334 | wp = NULL; |
335 | body = p->words; |
336 | } |
337 | text_para(fp, prefix, prefixextra, body, |
2614b01d |
338 | conf.indent + nesting + indentb, indenta, |
339 | conf.width - nesting - indentb - indenta); |
d7482997 |
340 | if (wp) { |
341 | wp->next = NULL; |
342 | free_word_list(body); |
343 | } |
344 | break; |
345 | |
346 | case para_Code: |
7136a6c7 |
347 | text_codepara(fp, p->words, |
2614b01d |
348 | conf.indent + nesting + conf.indent_code, |
349 | conf.width - nesting - 2 * conf.indent_code); |
d7482997 |
350 | break; |
351 | } |
352 | |
353 | /* Do the version ID */ |
354 | if (conf.include_version_id) { |
355 | for (p = sourceform; p; p = p->next) |
356 | if (p->type == para_VersionID) |
357 | text_versionid(fp, p->words); |
358 | } |
359 | |
360 | /* |
361 | * Tidy up |
362 | */ |
363 | fclose(fp); |
e5e6bf9d |
364 | sfree(conf.asect); |
50d6b4bd |
365 | sfree(conf.filename); |
d7482997 |
366 | } |
367 | |
368 | /* |
369 | * Convert a wide string into a string of chars. If `result' is |
370 | * non-NULL, mallocs the resulting string and stores a pointer to |
371 | * it in `*result'. If `result' is NULL, merely checks whether all |
372 | * characters in the string are feasible for the output character |
373 | * set. |
374 | * |
375 | * Return is nonzero if all characters are OK. If not all |
376 | * characters are OK but `result' is non-NULL, a result _will_ |
377 | * still be generated! |
378 | */ |
379 | static int text_convert(wchar_t *s, char **result) { |
380 | /* |
381 | * FIXME. Currently this is ISO8859-1 only. |
382 | */ |
383 | int doing = (result != 0); |
384 | int ok = TRUE; |
385 | char *p = NULL; |
386 | int plen = 0, psize = 0; |
387 | |
388 | for (; *s; s++) { |
389 | wchar_t c = *s; |
390 | char outc; |
391 | |
392 | if ((c >= 32 && c <= 126) || |
393 | (c >= 160 && c <= 255)) { |
394 | /* Char is OK. */ |
395 | outc = (char)c; |
396 | } else { |
397 | /* Char is not OK. */ |
398 | ok = FALSE; |
399 | outc = 0xBF; /* approximate the good old DEC `uh?' */ |
400 | } |
401 | if (doing) { |
402 | if (plen >= psize) { |
403 | psize = plen + 256; |
404 | p = resize(p, psize); |
405 | } |
406 | p[plen++] = outc; |
407 | } |
408 | } |
409 | if (doing) { |
410 | p = resize(p, plen+1); |
411 | p[plen] = '\0'; |
412 | *result = p; |
413 | } |
414 | return ok; |
415 | } |
416 | |
417 | static void text_rdaddwc(rdstringc *rs, word *text, word *end) { |
418 | char *c; |
419 | |
420 | for (; text && text != end; text = text->next) switch (text->type) { |
421 | case word_HyperLink: |
422 | case word_HyperEnd: |
423 | case word_UpperXref: |
424 | case word_LowerXref: |
425 | case word_XrefEnd: |
426 | case word_IndexRef: |
427 | break; |
428 | |
429 | case word_Normal: |
430 | case word_Emph: |
431 | case word_Code: |
432 | case word_WeakCode: |
433 | case word_WhiteSpace: |
434 | case word_EmphSpace: |
435 | case word_CodeSpace: |
436 | case word_WkCodeSpace: |
437 | case word_Quote: |
438 | case word_EmphQuote: |
439 | case word_CodeQuote: |
440 | case word_WkCodeQuote: |
441 | assert(text->type != word_CodeQuote && |
442 | text->type != word_WkCodeQuote); |
443 | if (towordstyle(text->type) == word_Emph && |
444 | (attraux(text->aux) == attr_First || |
445 | attraux(text->aux) == attr_Only)) |
446 | rdaddc(rs, '_'); /* FIXME: configurability */ |
447 | else if (towordstyle(text->type) == word_Code && |
448 | (attraux(text->aux) == attr_First || |
449 | attraux(text->aux) == attr_Only)) |
450 | rdaddc(rs, '`'); /* FIXME: configurability */ |
451 | if (removeattr(text->type) == word_Normal) { |
452 | if (text_convert(text->text, &c)) |
453 | rdaddsc(rs, c); |
454 | else |
455 | text_rdaddwc(rs, text->alt, NULL); |
456 | sfree(c); |
457 | } else if (removeattr(text->type) == word_WhiteSpace) { |
458 | rdaddc(rs, ' '); |
459 | } else if (removeattr(text->type) == word_Quote) { |
460 | rdaddc(rs, quoteaux(text->aux) == quote_Open ? '`' : '\''); |
461 | /* FIXME: configurability */ |
462 | } |
463 | if (towordstyle(text->type) == word_Emph && |
464 | (attraux(text->aux) == attr_Last || |
465 | attraux(text->aux) == attr_Only)) |
466 | rdaddc(rs, '_'); /* FIXME: configurability */ |
467 | else if (towordstyle(text->type) == word_Code && |
468 | (attraux(text->aux) == attr_Last || |
469 | attraux(text->aux) == attr_Only)) |
470 | rdaddc(rs, '\''); /* FIXME: configurability */ |
471 | break; |
472 | } |
473 | } |
474 | |
475 | static int text_width(word *); |
476 | |
477 | static int text_width_list(word *text) { |
478 | int w = 0; |
479 | while (text) { |
480 | w += text_width(text); |
481 | text = text->next; |
482 | } |
483 | return w; |
484 | } |
485 | |
486 | static int text_width(word *text) { |
487 | switch (text->type) { |
488 | case word_HyperLink: |
489 | case word_HyperEnd: |
490 | case word_UpperXref: |
491 | case word_LowerXref: |
492 | case word_XrefEnd: |
493 | case word_IndexRef: |
494 | return 0; |
495 | |
496 | case word_Normal: |
497 | case word_Emph: |
498 | case word_Code: |
499 | case word_WeakCode: |
500 | return (((text->type == word_Emph || |
501 | text->type == word_Code) |
502 | ? (attraux(text->aux) == attr_Only ? 2 : |
503 | attraux(text->aux) == attr_Always ? 0 : 1) |
504 | : 0) + |
505 | (text_convert(text->text, NULL) ? |
506 | ustrlen(text->text) : |
507 | text_width_list(text->alt))); |
508 | |
509 | case word_WhiteSpace: |
510 | case word_EmphSpace: |
511 | case word_CodeSpace: |
512 | case word_WkCodeSpace: |
513 | case word_Quote: |
514 | case word_EmphQuote: |
515 | case word_CodeQuote: |
516 | case word_WkCodeQuote: |
517 | assert(text->type != word_CodeQuote && |
518 | text->type != word_WkCodeQuote); |
519 | return (((towordstyle(text->type) == word_Emph || |
520 | towordstyle(text->type) == word_Code) |
521 | ? (attraux(text->aux) == attr_Only ? 2 : |
522 | attraux(text->aux) == attr_Always ? 0 : 1) |
523 | : 0) + 1); |
524 | } |
525 | return 0; /* should never happen */ |
526 | } |
527 | |
528 | static void text_heading(FILE *fp, word *tprefix, word *nprefix, word *text, |
529 | alignstruct align, int indent, int width) { |
530 | rdstringc t = { 0, 0, NULL }; |
531 | int margin, length; |
532 | int firstlinewidth, wrapwidth; |
533 | wrappedline *wrapping, *p; |
534 | |
535 | if (align.just_numbers && nprefix) { |
63223c78 |
536 | char *c; |
d7482997 |
537 | text_rdaddwc(&t, nprefix, NULL); |
63223c78 |
538 | if (text_convert(align.number_suffix, &c)) { |
539 | rdaddsc(&t, c); |
540 | sfree(c); |
541 | } |
d7482997 |
542 | } else if (!align.just_numbers && tprefix) { |
63223c78 |
543 | char *c; |
d7482997 |
544 | text_rdaddwc(&t, tprefix, NULL); |
63223c78 |
545 | if (text_convert(align.number_suffix, &c)) { |
546 | rdaddsc(&t, c); |
547 | sfree(c); |
548 | } |
d7482997 |
549 | } |
550 | margin = length = (t.text ? strlen(t.text) : 0); |
551 | |
552 | if (align.align == LEFTPLUS) { |
553 | margin = indent - margin; |
554 | if (margin < 0) margin = 0; |
555 | firstlinewidth = indent + width - margin - length; |
556 | wrapwidth = width; |
557 | } else if (align.align == LEFT || align.align == CENTRE) { |
558 | margin = 0; |
559 | firstlinewidth = indent + width - length; |
560 | wrapwidth = indent + width; |
561 | } |
562 | |
563 | wrapping = wrap_para(text, firstlinewidth, wrapwidth, text_width); |
564 | for (p = wrapping; p; p = p->next) { |
565 | text_rdaddwc(&t, p->begin, p->end); |
566 | length = (t.text ? strlen(t.text) : 0); |
567 | if (align.align == CENTRE) { |
568 | margin = (indent + width - length)/2; |
569 | if (margin < 0) margin = 0; |
570 | } |
571 | fprintf(fp, "%*s%s\n", margin, "", t.text); |
572 | if (align.underline != L'\0') { |
573 | char *u, uc; |
574 | wchar_t uw[2]; |
575 | uw[0] = align.underline; uw[1] = L'\0'; |
576 | text_convert(uw, &u); |
577 | uc = u[0]; |
578 | sfree(u); |
579 | fprintf(fp, "%*s", margin, ""); |
580 | while (length--) |
581 | putc(uc, fp); |
582 | putc('\n', fp); |
583 | } |
584 | if (align.align == LEFTPLUS) |
585 | margin = indent; |
586 | else |
587 | margin = 0; |
588 | sfree(t.text); |
589 | t = empty_rdstringc; |
590 | } |
591 | wrap_free(wrapping); |
592 | putc('\n', fp); |
593 | |
594 | sfree(t.text); |
595 | } |
596 | |
597 | static void text_rule(FILE *fp, int indent, int width) { |
598 | while (indent--) putc(' ', fp); |
599 | while (width--) putc('-', fp); /* FIXME: configurability! */ |
600 | putc('\n', fp); |
601 | putc('\n', fp); |
602 | } |
603 | |
604 | static void text_para(FILE *fp, word *prefix, char *prefixextra, word *text, |
605 | int indent, int extraindent, int width) { |
606 | wrappedline *wrapping, *p; |
607 | rdstringc pfx = { 0, 0, NULL }; |
608 | int e; |
609 | int firstlinewidth = width; |
610 | |
611 | if (prefix) { |
612 | text_rdaddwc(&pfx, prefix, NULL); |
613 | if (prefixextra) |
614 | rdaddsc(&pfx, prefixextra); |
615 | fprintf(fp, "%*s%s", indent, "", pfx.text); |
c83c6495 |
616 | /* If the prefix is too long, shorten the first line to fit. */ |
d7482997 |
617 | e = extraindent - strlen(pfx.text); |
618 | if (e < 0) { |
c83c6495 |
619 | firstlinewidth += e; /* this decreases it, since e < 0 */ |
d7482997 |
620 | if (firstlinewidth < 0) { |
621 | e = indent + extraindent; |
622 | firstlinewidth = width; |
623 | fprintf(fp, "\n"); |
c83c6495 |
624 | } else |
625 | e = 0; |
d7482997 |
626 | } |
627 | sfree(pfx.text); |
628 | } else |
629 | e = indent + extraindent; |
630 | |
631 | wrapping = wrap_para(text, firstlinewidth, width, text_width); |
632 | for (p = wrapping; p; p = p->next) { |
633 | rdstringc t = { 0, 0, NULL }; |
634 | text_rdaddwc(&t, p->begin, p->end); |
635 | fprintf(fp, "%*s%s\n", e, "", t.text); |
636 | e = indent + extraindent; |
637 | sfree(t.text); |
638 | } |
639 | wrap_free(wrapping); |
640 | putc('\n', fp); |
641 | } |
642 | |
643 | static void text_codepara(FILE *fp, word *text, int indent, int width) { |
644 | for (; text; text = text->next) if (text->type == word_WeakCode) { |
645 | char *c; |
646 | text_convert(text->text, &c); |
647 | if (strlen(c) > (size_t)width) { |
648 | /* FIXME: warn */ |
649 | } |
650 | fprintf(fp, "%*s%s\n", indent, "", c); |
651 | sfree(c); |
652 | } |
653 | |
654 | putc('\n', fp); |
655 | } |
656 | |
657 | static void text_versionid(FILE *fp, word *text) { |
658 | rdstringc t = { 0, 0, NULL }; |
659 | |
660 | rdaddc(&t, '['); /* FIXME: configurability */ |
661 | text_rdaddwc(&t, text, NULL); |
662 | rdaddc(&t, ']'); /* FIXME: configurability */ |
663 | |
664 | fprintf(fp, "%s\n", t.text); |
665 | sfree(t.text); |
666 | } |