Annotation of mandoc/eqn_parse.h, Revision 1.3
1.3 ! schwarze 1: /* $Id: eqn_parse.h,v 1.2 2018/12/13 05:23:38 schwarze Exp $ */
1.1 schwarze 2: /*
3: * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.2 schwarze 4: * Copyright (c) 2014, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: *
18: * External interface of the eqn(7) parser.
19: * For use in the roff(7) and eqn(7) parsers only.
20: */
21:
22: struct roff_node;
23: struct eqn_box;
24: struct eqn_def;
25:
26: struct eqn_node {
27: struct roff_node *node; /* Syntax tree of this equation. */
28: struct eqn_def *defs; /* Array of definitions. */
29: char *data; /* Source code of this equation. */
30: char *start; /* First byte of the current token. */
31: char *end; /* First byte of the next token. */
32: size_t defsz; /* Number of definitions. */
33: size_t sz; /* Length of the source code. */
34: size_t toksz; /* Length of the current token. */
35: int gsize; /* Default point size. */
36: int delim; /* In-line delimiters enabled. */
37: char odelim; /* In-line opening delimiter. */
38: char cdelim; /* In-line closing delimiter. */
39: };
40:
41:
1.3 ! schwarze 42: struct eqn_node *eqn_alloc(void);
1.2 schwarze 43: struct eqn_box *eqn_box_new(void);
1.1 schwarze 44: void eqn_box_free(struct eqn_box *);
45: void eqn_free(struct eqn_node *);
46: void eqn_parse(struct eqn_node *);
47: void eqn_read(struct eqn_node *, const char *);
48: void eqn_reset(struct eqn_node *);
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