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Diffstat (limited to 'usr.bin/mandoc/eqn_parse.h')
| -rw-r--r-- | usr.bin/mandoc/eqn_parse.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/usr.bin/mandoc/eqn_parse.h b/usr.bin/mandoc/eqn_parse.h new file mode 100644 index 0000000..0a8e619 --- /dev/null +++ b/usr.bin/mandoc/eqn_parse.h @@ -0,0 +1,48 @@ +/* $OpenBSD: eqn_parse.h,v 1.3 2018/12/14 06:33:03 schwarze Exp $ */ +/* + * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> + * Copyright (c) 2014, 2017, 2018 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 AUTHORS DISCLAIM ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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. + * + * External interface of the eqn(7) parser. + * For use in the roff(7) and eqn(7) parsers only. + */ + +struct roff_node; +struct eqn_box; +struct eqn_def; + +struct eqn_node { + 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_node *eqn_alloc(void); +struct eqn_box *eqn_box_new(void); +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 *); |