Annotation of mandoc/mdoc.h, Revision 1.114
1.114 ! kristaps 1: /* $Id: mdoc.h,v 1.113 2010/12/26 14:44:13 kristaps Exp $ */
1.1 kristaps 2: /*
1.101 schwarze 3: * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.56 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.56 kristaps 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.
1.1 kristaps 16: */
17: #ifndef MDOC_H
18: #define MDOC_H
19:
1.105 kristaps 20: /*
21: * What follows is a list of ALL possible macros.
22: */
23: enum mdoct {
24: MDOC_Ap = 0,
25: MDOC_Dd,
26: MDOC_Dt,
27: MDOC_Os,
28: MDOC_Sh,
29: MDOC_Ss,
30: MDOC_Pp,
31: MDOC_D1,
32: MDOC_Dl,
33: MDOC_Bd,
34: MDOC_Ed,
35: MDOC_Bl,
36: MDOC_El,
37: MDOC_It,
38: MDOC_Ad,
39: MDOC_An,
40: MDOC_Ar,
41: MDOC_Cd,
42: MDOC_Cm,
43: MDOC_Dv,
44: MDOC_Er,
45: MDOC_Ev,
46: MDOC_Ex,
47: MDOC_Fa,
48: MDOC_Fd,
49: MDOC_Fl,
50: MDOC_Fn,
51: MDOC_Ft,
52: MDOC_Ic,
53: MDOC_In,
54: MDOC_Li,
55: MDOC_Nd,
56: MDOC_Nm,
57: MDOC_Op,
58: MDOC_Ot,
59: MDOC_Pa,
60: MDOC_Rv,
61: MDOC_St,
62: MDOC_Va,
63: MDOC_Vt,
64: MDOC_Xr,
65: MDOC__A,
66: MDOC__B,
67: MDOC__D,
68: MDOC__I,
69: MDOC__J,
70: MDOC__N,
71: MDOC__O,
72: MDOC__P,
73: MDOC__R,
74: MDOC__T,
75: MDOC__V,
76: MDOC_Ac,
77: MDOC_Ao,
78: MDOC_Aq,
79: MDOC_At,
80: MDOC_Bc,
81: MDOC_Bf,
82: MDOC_Bo,
83: MDOC_Bq,
84: MDOC_Bsx,
85: MDOC_Bx,
86: MDOC_Db,
87: MDOC_Dc,
88: MDOC_Do,
89: MDOC_Dq,
90: MDOC_Ec,
91: MDOC_Ef,
92: MDOC_Em,
93: MDOC_Eo,
94: MDOC_Fx,
95: MDOC_Ms,
96: MDOC_No,
97: MDOC_Ns,
98: MDOC_Nx,
99: MDOC_Ox,
100: MDOC_Pc,
101: MDOC_Pf,
102: MDOC_Po,
103: MDOC_Pq,
104: MDOC_Qc,
105: MDOC_Ql,
106: MDOC_Qo,
107: MDOC_Qq,
108: MDOC_Re,
109: MDOC_Rs,
110: MDOC_Sc,
111: MDOC_So,
112: MDOC_Sq,
113: MDOC_Sm,
114: MDOC_Sx,
115: MDOC_Sy,
116: MDOC_Tn,
117: MDOC_Ux,
118: MDOC_Xc,
119: MDOC_Xo,
120: MDOC_Fo,
121: MDOC_Fc,
122: MDOC_Oo,
123: MDOC_Oc,
124: MDOC_Bk,
125: MDOC_Ek,
126: MDOC_Bt,
127: MDOC_Hf,
128: MDOC_Fr,
129: MDOC_Ud,
130: MDOC_Lb,
131: MDOC_Lp,
132: MDOC_Lk,
133: MDOC_Mt,
134: MDOC_Brq,
135: MDOC_Bro,
136: MDOC_Brc,
137: MDOC__C,
138: MDOC_Es,
139: MDOC_En,
140: MDOC_Dx,
141: MDOC__Q,
142: MDOC_br,
143: MDOC_sp,
144: MDOC__U,
145: MDOC_Ta,
146: MDOC_MAX
147: };
148:
149: /*
150: * What follows is a list of ALL possible macro arguments.
151: */
152: enum mdocargt {
153: MDOC_Split,
154: MDOC_Nosplit,
155: MDOC_Ragged,
156: MDOC_Unfilled,
157: MDOC_Literal,
158: MDOC_File,
159: MDOC_Offset,
160: MDOC_Bullet,
161: MDOC_Dash,
162: MDOC_Hyphen,
163: MDOC_Item,
164: MDOC_Enum,
165: MDOC_Tag,
166: MDOC_Diag,
167: MDOC_Hang,
168: MDOC_Ohang,
169: MDOC_Inset,
170: MDOC_Column,
171: MDOC_Width,
172: MDOC_Compact,
173: MDOC_Std,
174: MDOC_Filled,
175: MDOC_Words,
176: MDOC_Emphasis,
177: MDOC_Symbolic,
178: MDOC_Nested,
179: MDOC_Centred,
180: MDOC_ARG_MAX
181: };
182:
183: /*
184: * Type of a syntax node.
185: */
186: enum mdoc_type {
187: MDOC_TEXT,
188: MDOC_ELEM,
189: MDOC_HEAD,
190: MDOC_TAIL,
191: MDOC_BODY,
192: MDOC_BLOCK,
1.114 ! kristaps 193: MDOC_TBL,
1.105 kristaps 194: MDOC_ROOT
195: };
196:
197: /*
198: * Section (named/unnamed) of `Sh'. Note that these appear in the
199: * conventional order imposed by mdoc.7.
200: */
201: enum mdoc_sec {
202: SEC_NONE = 0, /* No section, yet. */
203: SEC_NAME,
204: SEC_LIBRARY,
205: SEC_SYNOPSIS,
206: SEC_DESCRIPTION,
207: SEC_IMPLEMENTATION,
208: SEC_RETURN_VALUES,
209: SEC_ENVIRONMENT,
210: SEC_FILES,
211: SEC_EXIT_STATUS,
212: SEC_EXAMPLES,
213: SEC_DIAGNOSTICS,
214: SEC_COMPATIBILITY,
215: SEC_ERRORS,
216: SEC_SEE_ALSO,
217: SEC_STANDARDS,
218: SEC_HISTORY,
219: SEC_AUTHORS,
220: SEC_CAVEATS,
221: SEC_BUGS,
222: SEC_SECURITY,
223: SEC_CUSTOM, /* User-defined. */
224: SEC__MAX
225: };
226:
227: /*
228: * Information from prologue.
229: */
230: struct mdoc_meta {
231: char *msec; /* `Dt' section (1, 3p, etc.) */
232: char *vol; /* `Dt' volume (implied) */
233: char *arch; /* `Dt' arch (i386, etc.) */
234: time_t date; /* `Dd' normalised date */
235: char *title; /* `Dt' title (FOO, etc.) */
236: char *os; /* `Os' system (OpenBSD, etc.) */
237: char *name; /* leading `Nm' name */
238: };
239:
240: /*
241: * An argument to a macro (multiple values = `-column xxx yyy').
242: */
243: struct mdoc_argv {
244: enum mdocargt arg; /* type of argument */
245: int line;
246: int pos;
247: size_t sz; /* elements in "value" */
248: char **value; /* argument strings */
249: };
250:
1.33 kristaps 251: /*
1.105 kristaps 252: * Reference-counted macro arguments. These are refcounted because
253: * blocks have multiple instances of the same arguments spread across
254: * the HEAD, BODY, TAIL, and BLOCK node types.
1.33 kristaps 255: */
1.105 kristaps 256: struct mdoc_arg {
257: size_t argc;
258: struct mdoc_argv *argv;
259: unsigned int refcnt;
260: };
1.1 kristaps 261:
1.105 kristaps 262: /*
263: * Indicates that a BODY's formatting has ended, but the scope is still
264: * open. Used for syntax-broken blocks.
265: */
266: enum mdoc_endbody {
267: ENDBODY_NOT = 0,
268: ENDBODY_SPACE, /* is broken: append a space */
269: ENDBODY_NOSPACE /* is broken: don't append a space */
270: };
271:
272: /*
273: * Normalised `Bl' list type.
274: */
275: enum mdoc_list {
276: LIST__NONE = 0,
277: LIST_bullet,
278: LIST_column,
279: LIST_dash,
280: LIST_diag,
281: LIST_enum,
282: LIST_hang,
283: LIST_hyphen,
284: LIST_inset,
285: LIST_item,
286: LIST_ohang,
1.106 kristaps 287: LIST_tag,
288: LIST_MAX
1.105 kristaps 289: };
290:
291: /*
292: * Normalised `Bd' display type.
293: */
294: enum mdoc_disp {
295: DISP__NONE = 0,
296: DISP_centred,
297: DISP_ragged,
298: DISP_unfilled,
299: DISP_filled,
300: DISP_literal
301: };
302:
303: /*
304: * Normalised `An' splitting argument.
305: */
306: enum mdoc_auth {
307: AUTH__NONE = 0,
308: AUTH_split,
309: AUTH_nosplit
310: };
1.60 kristaps 311:
1.105 kristaps 312: /*
313: * Normalised `Bf' font type.
314: */
315: enum mdoc_font {
316: FONT__NONE = 0,
317: FONT_Em,
318: FONT_Li,
319: FONT_Sy
320: };
321:
322: /*
323: * Normalised arguments for `Bd'.
324: */
325: struct mdoc_bd {
326: const char *offs; /* -offset */
327: enum mdoc_disp type; /* -ragged, etc. */
328: int comp; /* -compact */
329: };
330:
331: /*
332: * Normalised arguments for `Bl'.
333: */
334: struct mdoc_bl {
335: const char *width; /* -width */
336: const char *offs; /* -offset */
337: enum mdoc_list type; /* -tag, -enum, etc. */
338: int comp; /* -compact */
339: size_t ncols; /* -column arg count */
340: const char **cols; /* -column val ptr */
341: };
342:
343: /*
344: * Normalised arguments for `Bf'.
345: */
346: struct mdoc_bf {
347: enum mdoc_font font; /* font */
348: };
349:
350: /*
351: * Normalised arguments for `An'.
352: */
353: struct mdoc_an {
354: enum mdoc_auth auth; /* -split, etc. */
355: };
356:
1.111 kristaps 357: struct mdoc_rs {
1.112 kristaps 358: struct mdoc_node *child_J; /* pointer to %J */
1.111 kristaps 359: };
360:
1.105 kristaps 361: /*
362: * Consists of normalised node arguments. These should be used instead
363: * of iterating through the mdoc_arg pointers of a node: defaults are
364: * provided, etc.
365: */
1.109 kristaps 366: union mdoc_data {
367: struct mdoc_an An;
368: struct mdoc_bd Bd;
369: struct mdoc_bf Bf;
370: struct mdoc_bl Bl;
1.111 kristaps 371: struct mdoc_rs Rs;
1.109 kristaps 372: };
373:
1.105 kristaps 374: /*
375: * Single node in tree-linked AST.
376: */
377: struct mdoc_node {
378: struct mdoc_node *parent; /* parent AST node */
379: struct mdoc_node *child; /* first child AST node */
1.107 kristaps 380: struct mdoc_node *last; /* last child AST node */
1.105 kristaps 381: struct mdoc_node *next; /* sibling AST node */
382: struct mdoc_node *prev; /* prior sibling AST node */
383: int nchild; /* number children */
384: int line; /* parse line */
385: int pos; /* parse column */
386: enum mdoct tok; /* tok or MDOC__MAX if none */
387: int flags;
388: #define MDOC_VALID (1 << 0) /* has been validated */
389: #define MDOC_EOS (1 << 2) /* at sentence boundary */
390: #define MDOC_LINE (1 << 3) /* first macro/text on line */
391: #define MDOC_SYNPRETTY (1 << 4) /* SYNOPSIS-style formatting */
392: #define MDOC_ENDED (1 << 5) /* rendering has been ended */
393: enum mdoc_type type; /* AST node type */
394: enum mdoc_sec sec; /* current named section */
1.110 kristaps 395: union mdoc_data *norm; /* normalised args */
1.105 kristaps 396: /* FIXME: these can be union'd to shave a few bytes. */
397: struct mdoc_arg *args; /* BLOCK/ELEM */
398: struct mdoc_node *pending; /* BLOCK */
399: struct mdoc_node *head; /* BLOCK */
400: struct mdoc_node *body; /* BLOCK */
401: struct mdoc_node *tail; /* BLOCK */
402: char *string; /* TEXT */
1.114 ! kristaps 403: const struct tbl_span *span; /* TBL */
1.105 kristaps 404: enum mdoc_endbody end; /* BODY */
405: };
406:
407: /*
408: * Names of macros. Index is enum mdoct. Indexing into this returns
409: * the normalised name, e.g., mdoc_macronames[MDOC_Sh] -> "Sh".
410: */
1.1 kristaps 411: extern const char *const *mdoc_macronames;
1.105 kristaps 412:
413: /*
414: * Names of macro args. Index is enum mdocargt. Indexing into this
415: * returns the normalised name, e.g., mdoc_argnames[MDOC_File] ->
416: * "file".
417: */
1.1 kristaps 418: extern const char *const *mdoc_argnames;
419:
420: __BEGIN_DECLS
421:
422: struct mdoc;
1.60 kristaps 423:
1.1 kristaps 424: void mdoc_free(struct mdoc *);
1.103 schwarze 425: struct mdoc *mdoc_alloc(struct regset *, void *, mandocmsg);
1.73 kristaps 426: void mdoc_reset(struct mdoc *);
1.93 kristaps 427: int mdoc_parseln(struct mdoc *, int, char *, int);
1.32 kristaps 428: const struct mdoc_node *mdoc_node(const struct mdoc *);
429: const struct mdoc_meta *mdoc_meta(const struct mdoc *);
1.16 kristaps 430: int mdoc_endparse(struct mdoc *);
1.114 ! kristaps 431: int mdoc_addspan(struct mdoc *,
! 432: const struct tbl_span *);
1.1 kristaps 433:
434: __END_DECLS
435:
436: #endif /*!MDOC_H*/
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