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/* $Id$ */
/*
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2014, 2017 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
struct eqn_node {
struct mparse *parse; /* main parser, for error reporting */
struct roff_node *node; /* syntax tree of this equation */
struct eqn_def *defs; /* array of definitions */
char *data; /* source code of this equation */
char *start; /* first byte of the current token */
char *end; /* first byte of the next token */
size_t defsz; /* number of definitions */
size_t sz; /* length of the source code */
size_t toksz; /* length of the current token */
int gsize; /* default point size */
int delim; /* in-line delimiters enabled */
char odelim; /* in-line opening delimiter */
char cdelim; /* in-line closing delimiter */
};
struct eqn_def {
char *key;
size_t keysz;
char *val;
size_t valsz;
};
struct eqn_node *eqn_alloc(struct mparse *);
void eqn_box_free(struct eqn_box *);
void eqn_free(struct eqn_node *);
void eqn_parse(struct eqn_node *);
void eqn_read(struct eqn_node *, const char *);
void eqn_reset(struct eqn_node *);
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