/* $OpenBSD: libroff.h,v 1.20 2017/07/08 17:52:42 schwarze Exp $ */ /* * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons * Copyright (c) 2014, 2015, 2017 Ingo Schwarze * * 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. */ enum tbl_part { TBL_PART_OPTS, /* in options (first line) */ TBL_PART_LAYOUT, /* describing layout */ TBL_PART_DATA, /* creating data rows */ TBL_PART_CDATA /* continue previous row */ }; struct tbl_node { struct mparse *parse; /* parse point */ int pos; /* invocation column */ int line; /* invocation line */ enum tbl_part part; struct tbl_opts opts; struct tbl_row *first_row; struct tbl_row *last_row; struct tbl_span *first_span; struct tbl_span *current_span; struct tbl_span *last_span; struct tbl_node *next; }; 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 tbl_node *tbl_alloc(int, int, struct mparse *); void tbl_restart(int, int, struct tbl_node *); void tbl_free(struct tbl_node *); void tbl_reset(struct tbl_node *); void tbl_read(struct tbl_node *, int, const char *, int); void tbl_option(struct tbl_node *, int, const char *, int *); void tbl_layout(struct tbl_node *, int, const char *, int); void tbl_data(struct tbl_node *, int, const char *, int); void tbl_cdata(struct tbl_node *, int, const char *, int); const struct tbl_span *tbl_span(struct tbl_node *); int tbl_end(struct tbl_node *); 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 *);