Annotation of mandoc/mdoc.h, Revision 1.127
1.127 ! schwarze 1: /* $Id: mdoc.h,v 1.126 2014/03/23 12:44:56 schwarze Exp $ */
1.1 kristaps 2: /*
1.118 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 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: enum mdoct {
21: MDOC_Ap = 0,
22: MDOC_Dd,
23: MDOC_Dt,
24: MDOC_Os,
25: MDOC_Sh,
26: MDOC_Ss,
27: MDOC_Pp,
28: MDOC_D1,
29: MDOC_Dl,
30: MDOC_Bd,
31: MDOC_Ed,
32: MDOC_Bl,
33: MDOC_El,
34: MDOC_It,
35: MDOC_Ad,
36: MDOC_An,
37: MDOC_Ar,
38: MDOC_Cd,
39: MDOC_Cm,
40: MDOC_Dv,
41: MDOC_Er,
42: MDOC_Ev,
43: MDOC_Ex,
44: MDOC_Fa,
45: MDOC_Fd,
46: MDOC_Fl,
47: MDOC_Fn,
48: MDOC_Ft,
49: MDOC_Ic,
50: MDOC_In,
51: MDOC_Li,
52: MDOC_Nd,
53: MDOC_Nm,
54: MDOC_Op,
55: MDOC_Ot,
56: MDOC_Pa,
57: MDOC_Rv,
58: MDOC_St,
59: MDOC_Va,
60: MDOC_Vt,
61: MDOC_Xr,
62: MDOC__A,
63: MDOC__B,
64: MDOC__D,
65: MDOC__I,
66: MDOC__J,
67: MDOC__N,
68: MDOC__O,
69: MDOC__P,
70: MDOC__R,
71: MDOC__T,
72: MDOC__V,
73: MDOC_Ac,
74: MDOC_Ao,
75: MDOC_Aq,
76: MDOC_At,
77: MDOC_Bc,
78: MDOC_Bf,
79: MDOC_Bo,
80: MDOC_Bq,
81: MDOC_Bsx,
82: MDOC_Bx,
83: MDOC_Db,
84: MDOC_Dc,
85: MDOC_Do,
86: MDOC_Dq,
87: MDOC_Ec,
88: MDOC_Ef,
89: MDOC_Em,
90: MDOC_Eo,
91: MDOC_Fx,
92: MDOC_Ms,
93: MDOC_No,
94: MDOC_Ns,
95: MDOC_Nx,
96: MDOC_Ox,
97: MDOC_Pc,
98: MDOC_Pf,
99: MDOC_Po,
100: MDOC_Pq,
101: MDOC_Qc,
102: MDOC_Ql,
103: MDOC_Qo,
104: MDOC_Qq,
105: MDOC_Re,
106: MDOC_Rs,
107: MDOC_Sc,
108: MDOC_So,
109: MDOC_Sq,
110: MDOC_Sm,
111: MDOC_Sx,
112: MDOC_Sy,
113: MDOC_Tn,
114: MDOC_Ux,
115: MDOC_Xc,
116: MDOC_Xo,
117: MDOC_Fo,
118: MDOC_Fc,
119: MDOC_Oo,
120: MDOC_Oc,
121: MDOC_Bk,
122: MDOC_Ek,
123: MDOC_Bt,
124: MDOC_Hf,
125: MDOC_Fr,
126: MDOC_Ud,
127: MDOC_Lb,
128: MDOC_Lp,
129: MDOC_Lk,
130: MDOC_Mt,
131: MDOC_Brq,
132: MDOC_Bro,
133: MDOC_Brc,
134: MDOC__C,
135: MDOC_Es,
136: MDOC_En,
137: MDOC_Dx,
138: MDOC__Q,
139: MDOC_br,
140: MDOC_sp,
141: MDOC__U,
142: MDOC_Ta,
1.127 ! schwarze 143: MDOC_ll,
1.105 kristaps 144: MDOC_MAX
145: };
146:
147: enum mdocargt {
1.121 kristaps 148: MDOC_Split, /* -split */
149: MDOC_Nosplit, /* -nospli */
150: MDOC_Ragged, /* -ragged */
151: MDOC_Unfilled, /* -unfilled */
152: MDOC_Literal, /* -literal */
153: MDOC_File, /* -file */
154: MDOC_Offset, /* -offset */
155: MDOC_Bullet, /* -bullet */
156: MDOC_Dash, /* -dash */
157: MDOC_Hyphen, /* -hyphen */
158: MDOC_Item, /* -item */
159: MDOC_Enum, /* -enum */
160: MDOC_Tag, /* -tag */
161: MDOC_Diag, /* -diag */
162: MDOC_Hang, /* -hang */
163: MDOC_Ohang, /* -ohang */
164: MDOC_Inset, /* -inset */
165: MDOC_Column, /* -column */
166: MDOC_Width, /* -width */
167: MDOC_Compact, /* -compact */
168: MDOC_Std, /* -std */
169: MDOC_Filled, /* -filled */
170: MDOC_Words, /* -words */
171: MDOC_Emphasis, /* -emphasis */
172: MDOC_Symbolic, /* -symbolic */
173: MDOC_Nested, /* -nested */
174: MDOC_Centred, /* -centered */
1.105 kristaps 175: MDOC_ARG_MAX
176: };
177:
178: enum mdoc_type {
179: MDOC_TEXT,
180: MDOC_ELEM,
181: MDOC_HEAD,
182: MDOC_TAIL,
183: MDOC_BODY,
184: MDOC_BLOCK,
1.114 kristaps 185: MDOC_TBL,
1.116 kristaps 186: MDOC_EQN,
1.105 kristaps 187: MDOC_ROOT
188: };
189:
190: /*
191: * Section (named/unnamed) of `Sh'. Note that these appear in the
1.121 kristaps 192: * conventional order imposed by mdoc.7. In the case of SEC_NONE, no
193: * section has been invoked (this shouldn't happen). SEC_CUSTOM refers
194: * to other sections.
1.105 kristaps 195: */
196: enum mdoc_sec {
1.121 kristaps 197: SEC_NONE = 0,
198: SEC_NAME, /* NAME */
199: SEC_LIBRARY, /* LIBRARY */
200: SEC_SYNOPSIS, /* SYNOPSIS */
201: SEC_DESCRIPTION, /* DESCRIPTION */
202: SEC_IMPLEMENTATION, /* IMPLEMENTATION NOTES */
203: SEC_RETURN_VALUES, /* RETURN VALUES */
204: SEC_ENVIRONMENT, /* ENVIRONMENT */
205: SEC_FILES, /* FILES */
206: SEC_EXIT_STATUS, /* EXIT STATUS */
207: SEC_EXAMPLES, /* EXAMPLES */
208: SEC_DIAGNOSTICS, /* DIAGNOSTICS */
209: SEC_COMPATIBILITY, /* COMPATIBILITY */
210: SEC_ERRORS, /* ERRORS */
211: SEC_SEE_ALSO, /* SEE ALSO */
212: SEC_STANDARDS, /* STANDARDS */
213: SEC_HISTORY, /* HISTORY */
214: SEC_AUTHORS, /* AUTHORS */
215: SEC_CAVEATS, /* CAVEATS */
216: SEC_BUGS, /* BUGS */
217: SEC_SECURITY, /* SECURITY */
218: SEC_CUSTOM,
1.105 kristaps 219: SEC__MAX
220: };
221:
222: struct mdoc_meta {
223: char *msec; /* `Dt' section (1, 3p, etc.) */
224: char *vol; /* `Dt' volume (implied) */
225: char *arch; /* `Dt' arch (i386, etc.) */
1.118 schwarze 226: char *date; /* `Dd' normalised date */
1.105 kristaps 227: char *title; /* `Dt' title (FOO, etc.) */
228: char *os; /* `Os' system (OpenBSD, etc.) */
229: char *name; /* leading `Nm' name */
230: };
231:
232: /*
233: * An argument to a macro (multiple values = `-column xxx yyy').
234: */
235: struct mdoc_argv {
236: enum mdocargt arg; /* type of argument */
237: int line;
238: int pos;
239: size_t sz; /* elements in "value" */
240: char **value; /* argument strings */
241: };
242:
1.33 kristaps 243: /*
1.105 kristaps 244: * Reference-counted macro arguments. These are refcounted because
245: * blocks have multiple instances of the same arguments spread across
246: * the HEAD, BODY, TAIL, and BLOCK node types.
1.33 kristaps 247: */
1.105 kristaps 248: struct mdoc_arg {
249: size_t argc;
250: struct mdoc_argv *argv;
251: unsigned int refcnt;
252: };
1.1 kristaps 253:
1.105 kristaps 254: /*
255: * Indicates that a BODY's formatting has ended, but the scope is still
256: * open. Used for syntax-broken blocks.
257: */
258: enum mdoc_endbody {
259: ENDBODY_NOT = 0,
260: ENDBODY_SPACE, /* is broken: append a space */
261: ENDBODY_NOSPACE /* is broken: don't append a space */
262: };
263:
264: enum mdoc_list {
265: LIST__NONE = 0,
1.121 kristaps 266: LIST_bullet, /* -bullet */
267: LIST_column, /* -column */
268: LIST_dash, /* -dash */
269: LIST_diag, /* -diag */
270: LIST_enum, /* -enum */
271: LIST_hang, /* -hang */
272: LIST_hyphen, /* -hyphen */
273: LIST_inset, /* -inset */
274: LIST_item, /* -item */
275: LIST_ohang, /* -ohang */
276: LIST_tag, /* -tag */
1.106 kristaps 277: LIST_MAX
1.105 kristaps 278: };
279:
280: enum mdoc_disp {
281: DISP__NONE = 0,
1.121 kristaps 282: DISP_centred, /* -centered */
283: DISP_ragged, /* -ragged */
284: DISP_unfilled, /* -unfilled */
285: DISP_filled, /* -filled */
286: DISP_literal /* -literal */
1.105 kristaps 287: };
288:
289: enum mdoc_auth {
290: AUTH__NONE = 0,
1.121 kristaps 291: AUTH_split, /* -split */
292: AUTH_nosplit /* -nosplit */
1.105 kristaps 293: };
1.60 kristaps 294:
1.105 kristaps 295: enum mdoc_font {
296: FONT__NONE = 0,
1.121 kristaps 297: FONT_Em, /* Em, -emphasis */
298: FONT_Li, /* Li, -literal */
299: FONT_Sy /* Sy, -symbolic */
1.105 kristaps 300: };
301:
302: struct mdoc_bd {
303: const char *offs; /* -offset */
304: enum mdoc_disp type; /* -ragged, etc. */
305: int comp; /* -compact */
306: };
307:
308: struct mdoc_bl {
309: const char *width; /* -width */
310: const char *offs; /* -offset */
311: enum mdoc_list type; /* -tag, -enum, etc. */
312: int comp; /* -compact */
313: size_t ncols; /* -column arg count */
314: const char **cols; /* -column val ptr */
1.123 schwarze 315: int count; /* -enum counter */
1.105 kristaps 316: };
317:
318: struct mdoc_bf {
319: enum mdoc_font font; /* font */
320: };
321:
322: struct mdoc_an {
323: enum mdoc_auth auth; /* -split, etc. */
324: };
325:
1.111 kristaps 326: struct mdoc_rs {
1.115 kristaps 327: int quote_T; /* whether to quote %T */
1.111 kristaps 328: };
329:
1.105 kristaps 330: /*
331: * Consists of normalised node arguments. These should be used instead
332: * of iterating through the mdoc_arg pointers of a node: defaults are
333: * provided, etc.
334: */
1.109 kristaps 335: union mdoc_data {
336: struct mdoc_an An;
337: struct mdoc_bd Bd;
338: struct mdoc_bf Bf;
339: struct mdoc_bl Bl;
1.111 kristaps 340: struct mdoc_rs Rs;
1.109 kristaps 341: };
342:
1.105 kristaps 343: /*
344: * Single node in tree-linked AST.
345: */
346: struct mdoc_node {
347: struct mdoc_node *parent; /* parent AST node */
348: struct mdoc_node *child; /* first child AST node */
1.107 kristaps 349: struct mdoc_node *last; /* last child AST node */
1.105 kristaps 350: struct mdoc_node *next; /* sibling AST node */
351: struct mdoc_node *prev; /* prior sibling AST node */
352: int nchild; /* number children */
353: int line; /* parse line */
354: int pos; /* parse column */
1.125 schwarze 355: int lastline; /* the node ends on this line */
1.105 kristaps 356: enum mdoct tok; /* tok or MDOC__MAX if none */
357: int flags;
358: #define MDOC_VALID (1 << 0) /* has been validated */
359: #define MDOC_EOS (1 << 2) /* at sentence boundary */
360: #define MDOC_LINE (1 << 3) /* first macro/text on line */
361: #define MDOC_SYNPRETTY (1 << 4) /* SYNOPSIS-style formatting */
362: #define MDOC_ENDED (1 << 5) /* rendering has been ended */
1.122 kristaps 363: #define MDOC_DELIMO (1 << 6)
364: #define MDOC_DELIMC (1 << 7)
1.105 kristaps 365: enum mdoc_type type; /* AST node type */
366: enum mdoc_sec sec; /* current named section */
1.110 kristaps 367: union mdoc_data *norm; /* normalised args */
1.124 schwarze 368: const void *prev_font; /* before entering this node */
1.105 kristaps 369: /* FIXME: these can be union'd to shave a few bytes. */
370: struct mdoc_arg *args; /* BLOCK/ELEM */
371: struct mdoc_node *pending; /* BLOCK */
372: struct mdoc_node *head; /* BLOCK */
373: struct mdoc_node *body; /* BLOCK */
374: struct mdoc_node *tail; /* BLOCK */
375: char *string; /* TEXT */
1.114 kristaps 376: const struct tbl_span *span; /* TBL */
1.117 kristaps 377: const struct eqn *eqn; /* EQN */
1.105 kristaps 378: enum mdoc_endbody end; /* BODY */
379: };
380:
1.121 kristaps 381: /* Names of macros. Index is enum mdoct. */
1.1 kristaps 382: extern const char *const *mdoc_macronames;
1.105 kristaps 383:
1.121 kristaps 384: /* Names of macro args. Index is enum mdocargt. */
1.1 kristaps 385: extern const char *const *mdoc_argnames;
386:
387: __BEGIN_DECLS
388:
389: struct mdoc;
1.60 kristaps 390:
1.32 kristaps 391: const struct mdoc_node *mdoc_node(const struct mdoc *);
392: const struct mdoc_meta *mdoc_meta(const struct mdoc *);
1.126 schwarze 393: void mdoc_deroff(char **, const struct mdoc_node *);
1.1 kristaps 394:
395: __END_DECLS
396:
397: #endif /*!MDOC_H*/
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