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81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
/* $Id: libroff.h,v 1.42 2017/07/08 17:52:49 schwarze Exp $ */
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/*
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* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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enum tbl_part {
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TBL_PART_OPTS, /* in options (first line) */
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TBL_PART_LAYOUT, /* describing layout */
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TBL_PART_DATA, /* creating data rows */
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TBL_PART_CDATA /* continue previous row */
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};
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struct tbl_node {
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struct mparse *parse; /* parse point */
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int pos; /* invocation column */
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int line; /* invocation line */
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enum tbl_part part;
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struct tbl_opts opts;
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struct tbl_row *first_row;
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struct tbl_row *last_row;
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struct tbl_span *first_span;
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struct tbl_span *current_span;
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struct tbl_span *last_span;
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struct tbl_node *next;
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};
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struct eqn_node {
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struct mparse *parse; /* main parser, for error reporting */
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struct roff_node *node; /* syntax tree of this equation */
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struct eqn_def *defs; /* array of definitions */
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char *data; /* source code of this equation */
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char *start; /* first byte of the current token */
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char *end; /* first byte of the next token */
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size_t defsz; /* number of definitions */
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size_t sz; /* length of the source code */
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size_t toksz; /* length of the current token */
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int gsize; /* default point size */
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int delim; /* in-line delimiters enabled */
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char odelim; /* in-line opening delimiter */
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char cdelim; /* in-line closing delimiter */
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};
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struct eqn_def {
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char *key;
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size_t keysz;
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char *val;
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size_t valsz;
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};
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struct tbl_node *tbl_alloc(int, int, struct mparse *);
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void tbl_restart(int, int, struct tbl_node *);
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void tbl_free(struct tbl_node *);
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void tbl_reset(struct tbl_node *);
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void tbl_read(struct tbl_node *, int, const char *, int);
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void tbl_option(struct tbl_node *, int, const char *, int *);
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void tbl_layout(struct tbl_node *, int, const char *, int);
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void tbl_data(struct tbl_node *, int, const char *, int);
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void tbl_cdata(struct tbl_node *, int, const char *, int);
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const struct tbl_span *tbl_span(struct tbl_node *);
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int tbl_end(struct tbl_node *);
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struct eqn_node *eqn_alloc(struct mparse *);
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void eqn_box_free(struct eqn_box *);
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void eqn_free(struct eqn_node *);
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void eqn_parse(struct eqn_node *);
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void eqn_read(struct eqn_node *, const char *);
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void eqn_reset(struct eqn_node *);
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