Annotation of texi2mdoc/extern.h, Revision 1.17
1.17 ! kristaps 1: /* $Id: extern.h,v 1.16 2015/02/25 14:49:14 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2015 Kristaps Dzonsons <kristaps@bsd.lv>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #ifndef EXTERN_H
18: #define EXTERN_H
1.17 ! kristaps 19:
! 20: #if !defined(__BEGIN_DECLS)
! 21: # ifdef __cplusplus
! 22: # define __BEGIN_DECLS extern "C" {
! 23: # else
! 24: # define __BEGIN_DECLS
! 25: # endif
! 26: #endif
! 27: #if !defined(__END_DECLS)
! 28: # ifdef __cplusplus
! 29: # define __END_DECLS }
! 30: # else
! 31: # define __END_DECLS
! 32: # endif
! 33: #endif
1.1 kristaps 34:
35: /*
36: * This defines each one of the Texinfo commands that we understand.
37: * Obviously this only refers to native commands; overriden names are a
38: * different story.
39: */
40: enum texicmd {
1.12 kristaps 41: TEXICMD_A4PAPER,
42: TEXICMD_AA,
43: TEXICMD_AASMALL,
1.1 kristaps 44: TEXICMD_ACRONYM,
45: TEXICMD_ACUTE,
1.12 kristaps 46: TEXICMD_AE,
47: TEXICMD_AESMALL,
1.1 kristaps 48: TEXICMD_ANCHOR,
49: TEXICMD_APPENDIX,
50: TEXICMD_APPENDIXSEC,
51: TEXICMD_APPENDIXSUBSEC,
52: TEXICMD_APPENDIXSUBSUBSEC,
1.2 kristaps 53: TEXICMD_ASIS,
1.1 kristaps 54: TEXICMD_ASTERISK,
55: TEXICMD_AT,
56: TEXICMD_AUTHOR,
57: TEXICMD_B,
58: TEXICMD_BANG,
59: TEXICMD_BULLET,
60: TEXICMD_BYE,
1.9 kristaps 61: TEXICMD_CARTOUCHE,
62: TEXICMD_CEDILLA,
1.1 kristaps 63: TEXICMD_CENTER,
64: TEXICMD_CHAPTER,
65: TEXICMD_CINDEX,
66: TEXICMD_CIRCUMFLEX,
67: TEXICMD_CITE,
68: TEXICMD_CLEAR,
69: TEXICMD_CODE,
70: TEXICMD_COLON,
71: TEXICMD_COLUMNFRACTIONS,
1.10 kristaps 72: TEXICMD_COMMA,
1.1 kristaps 73: TEXICMD_COMMAND,
74: TEXICMD_COMMENT,
75: TEXICMD_COMMENT_LONG,
76: TEXICMD_CONTENTS,
77: TEXICMD_COPYING,
78: TEXICMD_COPYRIGHT,
1.3 kristaps 79: TEXICMD_DEFCODEINDEX,
1.1 kristaps 80: TEXICMD_DEFFN,
81: TEXICMD_DEFFNX,
1.3 kristaps 82: TEXICMD_DEFINDEX,
1.1 kristaps 83: TEXICMD_DEFMAC,
84: TEXICMD_DEFMACX,
85: TEXICMD_DEFTP,
86: TEXICMD_DEFTPX,
87: TEXICMD_DEFTYPEFN,
88: TEXICMD_DEFTYPEFNX,
89: TEXICMD_DEFTYPEFUN,
90: TEXICMD_DEFTYPEFUNX,
1.9 kristaps 91: TEXICMD_DEFTYPEMETHOD,
92: TEXICMD_DEFTYPEMETHODX,
1.1 kristaps 93: TEXICMD_DEFTYPEVAR,
94: TEXICMD_DEFTYPEVARX,
95: TEXICMD_DEFTYPEVR,
96: TEXICMD_DEFTYPEVRX,
97: TEXICMD_DEFUN,
98: TEXICMD_DEFUNX,
99: TEXICMD_DEFVAR,
100: TEXICMD_DEFVARX,
101: TEXICMD_DEFVR,
102: TEXICMD_DEFVRX,
103: TEXICMD_DETAILMENU,
104: TEXICMD_DFN,
1.12 kristaps 105: TEXICMD_DH,
106: TEXICMD_DHSMALL,
1.1 kristaps 107: TEXICMD_DIRCATEGORY,
108: TEXICMD_DIRENTRY,
109: TEXICMD_DISPLAY,
1.4 kristaps 110: TEXICMD_DMN,
1.11 kristaps 111: TEXICMD_DOCUMENTDESCRPITION,
112: TEXICMD_DOCUMENTENCODING,
1.14 kristaps 113: TEXICMD_DOCUMENTLANGUAGE,
1.12 kristaps 114: TEXICMD_DOTACCENT,
115: TEXICMD_DOTLESS,
1.1 kristaps 116: TEXICMD_DOTS,
117: TEXICMD_EMAIL,
118: TEXICMD_EMPH,
119: TEXICMD_END,
1.9 kristaps 120: TEXICMD_ENDDOTS,
1.1 kristaps 121: TEXICMD_ENUMERATE,
122: TEXICMD_ENV,
1.4 kristaps 123: TEXICMD_EQUIV,
1.1 kristaps 124: TEXICMD_ERROR,
1.13 kristaps 125: TEXICMD_EURO,
1.1 kristaps 126: TEXICMD_EXAMPLE,
1.12 kristaps 127: TEXICMD_EXCLAMDOWN,
1.2 kristaps 128: TEXICMD_EXDENT,
1.1 kristaps 129: TEXICMD_EXPANSION,
130: TEXICMD_FILE,
131: TEXICMD_FINALOUT,
132: TEXICMD_FINDEX,
1.14 kristaps 133: TEXICMD_FLUSHLEFT,
134: TEXICMD_FLUSHRIGHT,
135: TEXICMD_FIRSTPARAGRAPHINDENT,
1.7 kristaps 136: TEXICMD_FOOTNOTE,
1.14 kristaps 137: TEXICMD_FOOTNOTESTYLE,
1.1 kristaps 138: TEXICMD_FTABLE,
139: TEXICMD_FORMAT,
1.13 kristaps 140: TEXICMD_GEQ,
1.1 kristaps 141: TEXICMD_GRAVE,
142: TEXICMD_GROUP,
1.13 kristaps 143: TEXICMD_GUILLEMETLEFT,
144: TEXICMD_GUILLEMETRIGHT,
145: TEXICMD_GUILLEMOTLEFT,
146: TEXICMD_GUILLEMOTRIGHT,
147: TEXICMD_GUILSINGLLEFT,
148: TEXICMD_GUILSINGLRIGHT,
1.12 kristaps 149: TEXICMD_H,
1.1 kristaps 150: TEXICMD_HEADING,
151: TEXICMD_HEADINGS,
152: TEXICMD_HEADITEM,
1.2 kristaps 153: TEXICMD_HTML,
1.1 kristaps 154: TEXICMD_HYPHEN,
155: TEXICMD_I,
156: TEXICMD_IFCLEAR,
157: TEXICMD_IFDOCBOOK,
158: TEXICMD_IFHTML,
159: TEXICMD_IFINFO,
160: TEXICMD_IFNOTDOCBOOK,
161: TEXICMD_IFNOTHTML,
162: TEXICMD_IFNOTINFO,
163: TEXICMD_IFNOTPLAINTEXT,
164: TEXICMD_IFNOTTEX,
165: TEXICMD_IFNOTXML,
166: TEXICMD_IFPLAINTEXT,
167: TEXICMD_IFTEX,
168: TEXICMD_IFSET,
169: TEXICMD_IFXML,
170: TEXICMD_IGNORE,
171: TEXICMD_IMAGE,
172: TEXICMD_INCLUDE,
173: TEXICMD_INDENTBLOCK,
1.14 kristaps 174: TEXICMD_INDICATEURL,
1.9 kristaps 175: TEXICMD_INFOREF,
1.1 kristaps 176: TEXICMD_INSERTCOPYING,
177: TEXICMD_ITEM,
178: TEXICMD_ITEMIZE,
179: TEXICMD_ITEMX,
180: TEXICMD_KBD,
181: TEXICMD_KEY,
182: TEXICMD_KINDEX,
1.12 kristaps 183: TEXICMD_L,
1.1 kristaps 184: TEXICMD_LATEX,
1.13 kristaps 185: TEXICMD_LEQ,
1.1 kristaps 186: TEXICMD_LOWERSECTIONS,
1.12 kristaps 187: TEXICMD_LSMALL,
1.5 kristaps 188: TEXICMD_MACRO,
1.12 kristaps 189: TEXICMD_MACRON,
1.1 kristaps 190: TEXICMD_MATH,
191: TEXICMD_MENU,
1.2 kristaps 192: TEXICMD_MINUS,
1.1 kristaps 193: TEXICMD_MULTITABLE,
194: TEXICMD_NEED,
195: TEXICMD_NEWLINE,
196: TEXICMD_NODE,
197: TEXICMD_NOINDENT,
1.12 kristaps 198: TEXICMD_O,
199: TEXICMD_OE,
200: TEXICMD_OESMALL,
201: TEXICMD_OGONEK,
1.1 kristaps 202: TEXICMD_OPTION,
1.12 kristaps 203: TEXICMD_ORDF,
204: TEXICMD_ORDM,
205: TEXICMD_OSMALL,
1.1 kristaps 206: TEXICMD_PAGE,
207: TEXICMD_PARINDENT,
1.2 kristaps 208: TEXICMD_PERIOD,
1.4 kristaps 209: TEXICMD_PINDEX,
1.13 kristaps 210: TEXICMD_POUNDS,
1.1 kristaps 211: TEXICMD_PRINTINDEX,
1.12 kristaps 212: TEXICMD_PXREF,
213: TEXICMD_QUESTIONDOWN,
214: TEXICMD_QUESTIONMARK,
215: TEXICMD_QUOTATION,
1.13 kristaps 216: TEXICMD_QUOTEDBLBASE,
217: TEXICMD_QUOTEDBLLEFT,
218: TEXICMD_QUOTEDBLRIGHT,
219: TEXICMD_QUOTESINGLBASE,
220: TEXICMD_QUOTELEFT,
221: TEXICMD_QUOTERIGHT,
1.1 kristaps 222: TEXICMD_R,
223: TEXICMD_RAISESECTIONS,
224: TEXICMD_REF,
1.4 kristaps 225: TEXICMD_REFILL,
1.13 kristaps 226: TEXICMD_REGISTEREDSYMBOL,
1.1 kristaps 227: TEXICMD_RESULT,
1.12 kristaps 228: TEXICMD_RINGACCENT,
1.1 kristaps 229: TEXICMD_SAMP,
230: TEXICMD_SANSSERIF,
231: TEXICMD_SC,
232: TEXICMD_SECTION,
233: TEXICMD_SET,
234: TEXICMD_SETCHAPNEWPAGE,
1.10 kristaps 235: TEXICMD_SETCONTENTSAFTER,
1.1 kristaps 236: TEXICMD_SETFILENAME,
237: TEXICMD_SETTITLE,
1.2 kristaps 238: TEXICMD_SHORTCONTENTS,
1.1 kristaps 239: TEXICMD_SLANTED,
1.9 kristaps 240: TEXICMD_SLASH,
1.1 kristaps 241: TEXICMD_SP,
242: TEXICMD_SPACE,
243: TEXICMD_SMALLBOOK,
244: TEXICMD_SMALLDISPLAY,
245: TEXICMD_SMALLEXAMPLE,
246: TEXICMD_SMALLFORMAT,
247: TEXICMD_SMALLINDENTBLOCK,
248: TEXICMD_SQUIGGLE_LEFT,
249: TEXICMD_SQUIGGLE_RIGHT,
1.10 kristaps 250: TEXICMD_SS,
1.1 kristaps 251: TEXICMD_STRONG,
252: TEXICMD_SUBHEADING,
253: TEXICMD_SUBSECTION,
1.4 kristaps 254: TEXICMD_SUBSUBHEADING,
1.1 kristaps 255: TEXICMD_SUBSUBSECTION,
256: TEXICMD_SUBTITLE,
1.2 kristaps 257: TEXICMD_SUMMARYCONTENTS,
1.3 kristaps 258: TEXICMD_SYNINDEX,
1.1 kristaps 259: TEXICMD_SYNCODEINDEX,
260: TEXICMD_T,
261: TEXICMD_TAB,
262: TEXICMD_TABSYM,
263: TEXICMD_TABLE,
264: TEXICMD_TEX,
265: TEXICMD_TEXSYM,
1.13 kristaps 266: TEXICMD_TEXTDEGREE,
1.12 kristaps 267: TEXICMD_TH,
268: TEXICMD_THSMALL,
1.10 kristaps 269: TEXICMD_TIE,
1.12 kristaps 270: TEXICMD_TIEACCENT,
1.1 kristaps 271: TEXICMD_TILDE,
1.2 kristaps 272: TEXICMD_TINDEX,
1.1 kristaps 273: TEXICMD_TITLE,
274: TEXICMD_TITLEFONT,
275: TEXICMD_TITLEPAGE,
276: TEXICMD_TOP,
1.12 kristaps 277: TEXICMD_U,
278: TEXICMD_UBARACCENT,
279: TEXICMD_UDOTACCENT,
1.1 kristaps 280: TEXICMD_UMLAUT,
281: TEXICMD_UNNUMBERED,
282: TEXICMD_UNNUMBEREDSEC,
283: TEXICMD_UNNUMBEREDSUBSEC,
284: TEXICMD_UNNUMBEREDSUBSUBSEC,
285: TEXICMD_UREF,
286: TEXICMD_URL,
1.9 kristaps 287: TEXICMD_USER_INDEX,
1.12 kristaps 288: TEXICMD_V,
1.1 kristaps 289: TEXICMD_VALUE,
290: TEXICMD_VAR,
1.8 kristaps 291: TEXICMD_VERB,
1.2 kristaps 292: TEXICMD_VERBATIM,
1.1 kristaps 293: TEXICMD_VERBATIMINCLUDE,
294: TEXICMD_VINDEX,
295: TEXICMD_VSKIP,
296: TEXICMD_VTABLE,
297: TEXICMD_W,
298: TEXICMD_XREF,
299: TEXICMD__MAX
300: };
301:
1.11 kristaps 302: enum texisrc {
303: TEXISRC_FILE,
304: TEXISRC_STDIN
305: };
306:
1.1 kristaps 307: /*
308: * The file currently being parsed.
309: * This keeps track of our location within that file.
310: */
311: struct texifile {
1.11 kristaps 312: enum texisrc type; /* type of file */
1.1 kristaps 313: const char *name; /* name of the file */
314: size_t line; /* current line (from zero) */
315: size_t col; /* current column in line (from zero) */
1.15 kristaps 316: char *map; /* allocated file buffer */
317: size_t mapsz; /* size of map */
318: size_t mapmaxsz; /* full size of map */
1.16 kristaps 319: size_t insplice; /* how many bytes left in splice */
1.1 kristaps 320: };
321:
322: struct texi;
323:
324: /*
325: * Callback for functions implementing texi commands.
326: */
1.15 kristaps 327: typedef void (*texicmdfp)(struct texi *, enum texicmd, size_t *);
1.1 kristaps 328:
329: /*
330: * Describes Texinfo commands, whether native or overriden.
331: */
332: struct texitok {
333: texicmdfp fp; /* callback (or NULL if none) */
334: const char *tok; /* name of the token */
335: size_t len; /* strlen(tok) */
336: };
337:
1.11 kristaps 338: /*
339: * These values instruct us on whether a list (or table) of some type is
340: * currently being parsed.
341: */
1.1 kristaps 342: enum texilist {
343: TEXILIST_NONE = 0,
344: TEXILIST_ITEM,
345: TEXILIST_NOITEM,
346: TEXILIST_TABLE
347: };
348:
1.11 kristaps 349: /*
350: * Hold values assigned with @set and retrieved with @value.
351: * These values can contain arbitrary Texinfo.
352: */
1.1 kristaps 353: struct texivalue {
1.11 kristaps 354: char *key; /* the nil-terminated value name */
355: char *value; /* the nil-terminated value */
1.1 kristaps 356: };
357:
1.11 kristaps 358: /*
359: * Macros are (possibly-recursive) Texinfo sequences created with @macro
360: * and filled in by arguments when invoked.
361: */
1.5 kristaps 362: struct teximacro {
1.11 kristaps 363: char *key; /* nil-terminated macro name */
364: char *value; /* nil-terminated value */
365: char **args; /* array of argument names (or NULL) */
366: size_t argsz; /* array size */
1.5 kristaps 367: };
368:
1.1 kristaps 369: /*
370: * The main parse structure.
371: * This keeps any necessary information handy.
372: */
373: struct texi {
374: struct texifile files[64]; /* stack of open files */
375: size_t filepos; /* number of open files */
1.4 kristaps 376: const char *valstack[64]; /* stack of opened values */
377: size_t valstackpos; /* position in valstack */
1.1 kristaps 378: size_t outcol; /* column in output line */
379: char **dirs; /* texi directories */
380: size_t dirsz; /* number of texi directories */
381: char *title; /* title of document */
382: char *subtitle; /* subtitle of document */
383: int secoffs; /* see sectioner() */
1.3 kristaps 384: char **indexs; /* @defindex indices */
385: size_t indexsz; /* entries in indexs */
386: struct texivalue *vals; /* @value entries */
387: size_t valsz; /* entries in vals */
1.11 kristaps 388: struct teximacro *macros; /* @macro entries */
389: size_t macrosz; /* entries in macros */
1.1 kristaps 390: /*
391: * The following control what we output to the screen.
392: * The complexity is required to accomodate for mdoc(7).
393: */
394: enum texilist list; /* current list (set recursively) */
395: int outmacro; /* if >0, output is in line macro */
396: int seenws; /* ws has been seen (and ignored) */
397: int seenvs; /* newline has been Pp'd */
398: int ign; /* if >0, don't print anything */
399: int literal; /* if >0, literal context */
400: };
401:
1.15 kristaps 402: #define BUF(_p) ((_p)->files[(_p)->filepos - 1].map)
403: #define BUFSZ(_p) ((_p)->files[(_p)->filepos - 1].mapsz)
404:
1.1 kristaps 405: #define isws(_x) \
406: (' ' == (_x) || '\t' == (_x))
407: #define ismspace(_x) \
408: (isws((_x)) || '\n' == (_x))
409:
410: __BEGIN_DECLS
411:
1.15 kristaps 412: void advance(struct texi *, size_t *);
413: size_t advanceeoln(struct texi *, size_t *, int);
414: void advanceto(struct texi *, size_t *, size_t);
1.1 kristaps 415:
1.15 kristaps 416: char **argparse(struct texi *, size_t *, size_t *, size_t);
1.5 kristaps 417:
1.15 kristaps 418: int parsearg(struct texi *, size_t *, size_t);
419: void parsebracket(struct texi *, size_t *);
1.11 kristaps 420: void parsestdin(struct texi *);
1.1 kristaps 421: void parsefile(struct texi *, const char *, int);
1.15 kristaps 422: int parselinearg(struct texi *, size_t *);
423: void parseeoln(struct texi *, size_t *);
424: void parseto(struct texi *, size_t *, const char *);
1.1 kristaps 425:
1.3 kristaps 426: void texiabort(struct texi *, const char *)
427: __attribute__((noreturn));
1.1 kristaps 428: enum texicmd
1.15 kristaps 429: texicmd(struct texi *, size_t,
1.5 kristaps 430: size_t *, struct teximacro **);
1.1 kristaps 431: void texierr(struct texi *, const char *, ...)
1.3 kristaps 432: __attribute__((format(printf, 2, 3)))
433: __attribute__((noreturn));
1.1 kristaps 434: void texiexit(struct texi *p);
435: void texifilepop(struct texi *);
436: void teximacro(struct texi *, const char *);
437: void teximacroclose(struct texi *);
438: void teximacroopen(struct texi *, const char *);
1.15 kristaps 439: void texipunctuate(struct texi *, size_t *);
440: void texiputbuf(struct texi *p, size_t, size_t);
1.1 kristaps 441: void texiputchar(struct texi *p, char);
442: void texiputchars(struct texi *, const char *);
443: void texivspace(struct texi *);
444: void texiwarn(const struct texi *, const char *, ...)
445: __attribute__((format(printf, 2, 3)));
1.15 kristaps 446: void texisplice(struct texi *, const char *, size_t, size_t *);
1.2 kristaps 447:
448: void valueadd(struct texi *, char *, char *);
449: const char *
1.15 kristaps 450: valueblookup(struct texi *, size_t *);
451: void valuelclear(struct texi *, size_t *);
1.2 kristaps 452: const char *
1.15 kristaps 453: valuellookup(struct texi *, size_t *);
1.1 kristaps 454:
455: extern const struct texitok *const texitoks;
456:
457: __END_DECLS
458:
459: #endif
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