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1 | #ifndef HALIBUT_HALIBUT_H |
2 | #define HALIBUT_HALIBUT_H |
3 | |
4 | #include <stdio.h> |
5 | #include <wchar.h> |
6 | #include <time.h> |
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7 | #include <string.h> |
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8 | |
9 | #ifdef __GNUC__ |
10 | #define NORETURN __attribute__((__noreturn__)) |
11 | #else |
12 | #define NORETURN /* nothing */ |
13 | #endif |
14 | |
15 | #ifndef TRUE |
16 | #define TRUE 1 |
17 | #endif |
18 | #ifndef FALSE |
19 | #define FALSE 0 |
20 | #endif |
21 | |
22 | /* For suppressing unused-parameter warnings */ |
23 | #define IGNORE(x) ( (x) = (x) ) |
24 | |
25 | #include "tree234.h" |
26 | |
27 | /* |
28 | * Structure tags |
29 | */ |
30 | typedef struct input_Tag input; |
31 | typedef struct filepos_Tag filepos; |
32 | typedef struct paragraph_Tag paragraph; |
33 | typedef struct word_Tag word; |
34 | typedef struct keywordlist_Tag keywordlist; |
35 | typedef struct keyword_Tag keyword; |
36 | typedef struct userstyle_Tag userstyle; |
37 | typedef struct numberstate_Tag numberstate; |
38 | typedef struct indexdata_Tag indexdata; |
39 | typedef struct indextag_Tag indextag; |
40 | typedef struct indexentry_Tag indexentry; |
41 | typedef struct macrostack_Tag macrostack; |
42 | |
43 | /* |
44 | * Data structure to hold a file name and index, a line and a |
45 | * column number, for reporting errors |
46 | */ |
47 | struct filepos_Tag { |
48 | char *filename; |
49 | int line, col; |
50 | }; |
51 | |
52 | /* |
53 | * Data structure to hold all the file names etc for input |
54 | */ |
55 | typedef struct pushback_Tag { |
56 | int chr; |
57 | filepos pos; |
58 | } pushback; |
59 | struct input_Tag { |
60 | char **filenames; /* complete list of input files */ |
61 | int nfiles; /* how many in the list */ |
62 | FILE *currfp; /* the currently open one */ |
63 | int currindex; /* which one is that in the list */ |
64 | pushback *pushback; /* pushed-back input characters */ |
65 | int npushback, pushbacksize; |
66 | filepos pos; |
67 | int reportcols; /* report column numbers in errors */ |
68 | macrostack *stack; /* macro expansions in force */ |
69 | }; |
70 | |
71 | /* |
72 | * Data structure to hold the input form of the source, ie a linked |
73 | * list of paragraphs |
74 | */ |
75 | struct paragraph_Tag { |
76 | paragraph *next; |
77 | int type; |
78 | wchar_t *keyword; /* for most special paragraphs */ |
79 | word *words; /* list of words in paragraph */ |
80 | int aux; /* number, in a numbered paragraph |
81 | * or subsection level |
82 | */ |
83 | word *kwtext; /* chapter/section indication */ |
84 | word *kwtext2; /* numeric-only form of kwtext */ |
85 | filepos fpos; |
86 | |
87 | paragraph *parent, *child, *sibling; /* for hierarchy navigation */ |
88 | |
89 | void *private_data; /* for temp use in backends */ |
90 | }; |
91 | enum { |
92 | para_IM, /* index merge */ |
93 | para_BR, /* bibliography rewrite */ |
94 | para_Rule, /* random horizontal rule */ |
95 | para_Chapter, |
96 | para_Appendix, |
97 | para_UnnumberedChapter, |
98 | para_Heading, |
99 | para_Subsect, |
100 | para_Normal, |
101 | para_Biblio, /* causes no output unless turned ... */ |
102 | para_BiblioCited, /* ... into this paragraph type */ |
103 | para_Bullet, |
104 | para_NumberedList, |
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105 | para_DescribedThing, |
106 | para_Description, |
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107 | para_Code, |
108 | para_Copyright, |
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109 | para_NoCite, |
110 | para_Title, |
111 | para_VersionID, |
112 | para_Config, /* configuration directive */ |
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113 | para_LcontPush, /* begin continuation of list item */ |
114 | para_LcontPop, /* end continuation of list item */ |
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115 | para_QuotePush, /* begin block quote */ |
116 | para_QuotePop, /* end block quote */ |
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117 | para_NotParaType /* placeholder value */ |
118 | }; |
119 | |
120 | /* |
121 | * Data structure to hold an individual word |
122 | */ |
123 | struct word_Tag { |
124 | word *next, *alt; |
125 | int type; |
126 | int aux; |
127 | int breaks; /* can a line break after it? */ |
128 | wchar_t *text; |
129 | filepos fpos; |
130 | }; |
131 | enum { |
132 | /* ORDERING CONSTRAINT: these normal-word types ... */ |
133 | word_Normal, |
134 | word_Emph, |
135 | word_Code, /* monospaced; `quoted' in text */ |
136 | word_WeakCode, /* monospaced, normal in text */ |
137 | /* ... must be in the same order as these space types ... */ |
138 | word_WhiteSpace, /* text is NULL or ignorable */ |
139 | word_EmphSpace, /* WhiteSpace when emphasised */ |
140 | word_CodeSpace, /* WhiteSpace when code */ |
141 | word_WkCodeSpace, /* WhiteSpace when weak code */ |
142 | /* ... and must be in the same order as these quote types ... */ |
143 | word_Quote, /* text is NULL or ignorable */ |
144 | word_EmphQuote, /* Quote when emphasised */ |
145 | word_CodeQuote, /* (can't happen) */ |
146 | word_WkCodeQuote, /* (can't happen) */ |
147 | /* END ORDERING CONSTRAINT */ |
148 | word_internal_endattrs, |
149 | word_UpperXref, /* \K */ |
150 | word_LowerXref, /* \k */ |
151 | word_XrefEnd, /* (invisible; no text) */ |
152 | word_IndexRef, /* (always an invisible one) */ |
153 | word_HyperLink, /* (invisible) */ |
154 | word_HyperEnd /* (also invisible; no text) */ |
155 | }; |
156 | /* aux values for attributed words */ |
157 | enum { |
158 | attr_Only = 0x0000, /* a lone word with the attribute */ |
159 | attr_First = 0x0001, /* the first of a series */ |
160 | attr_Last = 0x0002, /* the last of a series */ |
161 | attr_Always = 0x0003, /* any other part of a series */ |
162 | attr_mask = 0x0003, |
163 | }; |
164 | /* aux values for quote-type words */ |
165 | enum { |
166 | quote_Open = 0x0010, |
167 | quote_Close = 0x0020, |
168 | quote_mask = 0x0030, |
169 | }; |
170 | #define isattr(x) ( ( (x) > word_Normal && (x) < word_WhiteSpace ) || \ |
171 | ( (x) > word_WhiteSpace && (x) < word_internal_endattrs ) ) |
172 | #define sameattr(x,y) ( (((x)-(y)) & 3) == 0 ) |
173 | #define towordstyle(x) ( word_Normal + ((x) & 3) ) |
174 | #define tospacestyle(x) ( word_WhiteSpace + ((x) & 3) ) |
175 | #define toquotestyle(x) ( word_Quote + ((x) & 3) ) |
176 | #define removeattr(x) ( word_Normal + ((x) &~ 3) ) |
177 | |
178 | #define attraux(x) ( (x) & attr_mask ) |
179 | #define quoteaux(x) ( (x) & quote_mask ) |
180 | |
181 | /* |
182 | * error.c |
183 | */ |
184 | void fatal(int code, ...) NORETURN; |
185 | void error(int code, ...); |
186 | enum { |
187 | err_nomemory, /* out of memory */ |
188 | err_optnoarg, /* option `-%s' requires an argument */ |
189 | err_nosuchopt, /* unrecognised option `-%s' */ |
190 | err_noinput, /* no input files */ |
191 | err_cantopen, /* unable to open input file `%s' */ |
192 | err_nodata, /* no data in input files */ |
193 | err_brokencodepara, /* line in codepara didn't begin `\c' */ |
194 | err_kwunclosed, /* expected `}' after keyword */ |
195 | err_kwillegal, /* paragraph type expects no keyword */ |
196 | err_kwexpected, /* paragraph type expects a keyword */ |
197 | err_kwtoomany, /* paragraph type expects only 1 */ |
198 | err_bodyillegal, /* paragraph type expects only kws! */ |
199 | err_badparatype, /* invalid command at start of para */ |
200 | err_badmidcmd, /* invalid command in mid-para */ |
201 | err_unexbrace, /* unexpected brace */ |
202 | err_explbr, /* expected `{' after command */ |
203 | err_commenteof, /* EOF inside braced comment */ |
204 | err_kwexprbr, /* expected `}' after cross-ref */ |
205 | err_missingrbrace, /* unclosed braces at end of para */ |
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206 | err_missingrbrace2, /* unclosed braces at end of file */ |
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207 | err_nestedstyles, /* unable to nest text styles */ |
208 | err_nestedindex, /* unable to nest `\i' thingys */ |
209 | err_nosuchkw, /* unresolved cross-reference */ |
210 | err_multiBR, /* multiple \BRs on same keyword */ |
211 | err_nosuchidxtag, /* \IM on unknown index tag (warning) */ |
212 | err_cantopenw, /* can't open output file for write */ |
213 | err_macroexists, /* this macro already exists */ |
214 | err_sectjump, /* jump a heading level, eg \C -> \S */ |
215 | err_winhelp_ctxclash, /* WinHelp context ID hash clash */ |
216 | err_multikw, /* keyword clash in sections */ |
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217 | err_misplacedlcont, /* \lcont not after a list item */ |
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218 | err_sectmarkerinblock, /* section marker appeared in block */ |
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219 | err_whatever /* random error of another type */ |
220 | }; |
221 | |
222 | /* |
223 | * malloc.c |
224 | */ |
225 | #ifdef LOGALLOC |
226 | void *smalloc(char *file, int line, int size); |
227 | void *srealloc(char *file, int line, void *p, int size); |
228 | void sfree(char *file, int line, void *p); |
229 | #define smalloc(x) smalloc(__FILE__, __LINE__, x) |
230 | #define srealloc(x, y) srealloc(__FILE__, __LINE__, x, y) |
231 | #define sfree(x) sfree(__FILE__, __LINE__, x) |
232 | #else |
233 | void *smalloc(int size); |
234 | void *srealloc(void *p, int size); |
235 | void sfree(void *p); |
236 | #endif |
237 | void free_word_list(word *w); |
238 | void free_para_list(paragraph *p); |
239 | word *dup_word_list(word *w); |
240 | char *dupstr(char *s); |
241 | |
242 | #define mknew(type) ( (type *) smalloc (sizeof (type)) ) |
243 | #define mknewa(type, number) ( (type *) smalloc ((number) * sizeof (type)) ) |
244 | #define resize(array, len) ( srealloc ((array), (len) * sizeof (*(array))) ) |
245 | #define lenof(array) ( sizeof(array) / sizeof(*(array)) ) |
246 | |
247 | /* |
248 | * ustring.c |
249 | */ |
250 | wchar_t *ustrdup(wchar_t *s); |
251 | char *ustrtoa(wchar_t *s, char *outbuf, int size); |
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252 | wchar_t *ustrfroma(char *s, wchar_t *outbuf, int size); |
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253 | char *utoa_dup(wchar_t *s); |
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254 | wchar_t *ufroma_dup(char *s); |
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255 | int ustrlen(wchar_t *s); |
256 | wchar_t *uadv(wchar_t *s); |
257 | wchar_t *ustrcpy(wchar_t *dest, wchar_t *source); |
258 | wchar_t utolower(wchar_t); |
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259 | int uisalpha(wchar_t); |
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260 | int ustrcmp(wchar_t *lhs, wchar_t *rhs); |
261 | int ustricmp(wchar_t *lhs, wchar_t *rhs); |
262 | int utoi(wchar_t *); |
263 | int utob(wchar_t *); |
264 | int uisdigit(wchar_t); |
265 | wchar_t *ustrlow(wchar_t *s); |
266 | wchar_t *ustrftime(wchar_t *fmt, struct tm *timespec); |
267 | |
268 | /* |
269 | * help.c |
270 | */ |
271 | void help(void); |
272 | void usage(void); |
273 | void showversion(void); |
274 | |
275 | /* |
276 | * licence.c |
277 | */ |
278 | void licence(void); |
279 | |
280 | /* |
281 | * version.c |
282 | */ |
283 | const char *const version; |
284 | |
285 | /* |
286 | * misc.c |
287 | */ |
288 | typedef struct stackTag *stack; |
289 | stack stk_new(void); |
290 | void stk_free(stack); |
291 | void stk_push(stack, void *); |
292 | void *stk_pop(stack); |
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293 | void *stk_top(stack); |
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294 | |
295 | typedef struct tagRdstring rdstring; |
296 | struct tagRdstring { |
297 | int pos, size; |
298 | wchar_t *text; |
299 | }; |
300 | typedef struct tagRdstringc rdstringc; |
301 | struct tagRdstringc { |
302 | int pos, size; |
303 | char *text; |
304 | }; |
305 | extern const rdstring empty_rdstring; |
306 | extern const rdstringc empty_rdstringc; |
307 | void rdadd(rdstring *rs, wchar_t c); |
308 | void rdadds(rdstring *rs, wchar_t *p); |
309 | wchar_t *rdtrim(rdstring *rs); |
310 | void rdaddc(rdstringc *rs, char c); |
311 | void rdaddsc(rdstringc *rs, char *p); |
312 | char *rdtrimc(rdstringc *rs); |
313 | |
314 | int compare_wordlists(word *a, word *b); |
315 | |
316 | void mark_attr_ends(paragraph *sourceform); |
317 | |
318 | typedef struct tagWrappedLine wrappedline; |
319 | struct tagWrappedLine { |
320 | wrappedline *next; |
321 | word *begin, *end; /* first & last words of line */ |
322 | int nspaces; /* number of whitespaces in line */ |
323 | int shortfall; /* how much shorter than max width */ |
324 | }; |
325 | wrappedline *wrap_para(word *, int, int, int (*)(word *)); |
326 | void wrap_free(wrappedline *); |
327 | |
328 | /* |
329 | * input.c |
330 | */ |
331 | paragraph *read_input(input *in, indexdata *idx); |
332 | |
333 | /* |
334 | * keywords.c |
335 | */ |
336 | struct keywordlist_Tag { |
337 | int nkeywords; |
338 | int size; |
339 | tree234 *keys; /* sorted by `key' field */ |
340 | word **looseends; /* non-keyword list element numbers */ |
341 | int nlooseends; |
342 | int looseendssize; |
343 | }; |
344 | struct keyword_Tag { |
345 | wchar_t *key; /* the keyword itself */ |
346 | word *text; /* "Chapter 2", "Appendix Q"... */ |
347 | /* (NB: filepos are not set) */ |
348 | paragraph *para; /* the paragraph referenced */ |
349 | }; |
350 | keyword *kw_lookup(keywordlist *, wchar_t *); |
351 | keywordlist *get_keywords(paragraph *); |
352 | void free_keywords(keywordlist *); |
353 | void subst_keywords(paragraph *, keywordlist *); |
354 | |
355 | /* |
356 | * index.c |
357 | */ |
358 | |
359 | /* |
360 | * Data structure to hold both sides of the index. |
361 | */ |
362 | struct indexdata_Tag { |
363 | tree234 *tags; /* holds type `indextag' */ |
364 | tree234 *entries; /* holds type `indexentry' */ |
365 | }; |
366 | |
367 | /* |
368 | * Data structure to hold an index tag (LHS of index). |
369 | */ |
370 | struct indextag_Tag { |
371 | wchar_t *name; |
372 | word *implicit_text; |
373 | word **explicit_texts; |
374 | int nexplicit, explicit_size; |
375 | int nrefs; |
376 | indexentry **refs; /* array of entries referenced by tag */ |
377 | }; |
378 | |
379 | /* |
380 | * Data structure to hold an index entry (RHS of index). |
381 | */ |
382 | struct indexentry_Tag { |
383 | word *text; |
384 | void *backend_data; /* private to back end */ |
385 | }; |
386 | |
387 | indexdata *make_index(void); |
388 | void cleanup_index(indexdata *); |
389 | /* index_merge takes responsibility for freeing arg 3 iff implicit; never |
390 | * takes responsibility for arg 2 */ |
391 | void index_merge(indexdata *, int is_explicit, wchar_t *, word *); |
392 | void build_index(indexdata *); |
393 | void index_debug(indexdata *); |
394 | indextag *index_findtag(indexdata *idx, wchar_t *name); |
395 | |
396 | /* |
397 | * contents.c |
398 | */ |
399 | numberstate *number_init(void); |
400 | void number_cfg(numberstate *, paragraph *); |
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401 | word *number_mktext(numberstate *, paragraph *, wchar_t *, int *, int *); |
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402 | void number_free(numberstate *); |
403 | |
404 | /* |
405 | * biblio.c |
406 | */ |
407 | void gen_citations(paragraph *, keywordlist *); |
408 | |
409 | /* |
410 | * style.c |
411 | */ |
412 | struct userstyle_Tag { |
413 | }; |
414 | |
415 | /* |
416 | * bk_text.c |
417 | */ |
418 | void text_backend(paragraph *, keywordlist *, indexdata *); |
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419 | paragraph *text_config_filename(char *filename); |
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420 | |
421 | /* |
422 | * bk_xhtml.c |
423 | */ |
424 | void xhtml_backend(paragraph *, keywordlist *, indexdata *); |
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425 | paragraph *xhtml_config_filename(char *filename); |
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426 | |
427 | /* |
428 | * bk_whlp.c |
429 | */ |
430 | void whlp_backend(paragraph *, keywordlist *, indexdata *); |
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431 | paragraph *whlp_config_filename(char *filename); |
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432 | |
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433 | /* |
434 | * bk_man.c |
435 | */ |
436 | void man_backend(paragraph *, keywordlist *, indexdata *); |
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437 | paragraph *man_config_filename(char *filename); |
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438 | |
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439 | #endif |