diff options
Diffstat (limited to 'usr.bin/mandoc/tbl.c')
| -rw-r--r-- | usr.bin/mandoc/tbl.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/usr.bin/mandoc/tbl.c b/usr.bin/mandoc/tbl.c new file mode 100644 index 0000000..a3da958 --- /dev/null +++ b/usr.bin/mandoc/tbl.c @@ -0,0 +1,181 @@ +/* $OpenBSD: tbl.c,v 1.27 2018/12/14 06:33:03 schwarze Exp $ */ +/* + * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> + * Copyright (c) 2011, 2015 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. + */ +#include <sys/types.h> + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#include "mandoc_aux.h" +#include "mandoc.h" +#include "tbl.h" +#include "libmandoc.h" +#include "tbl_parse.h" +#include "tbl_int.h" + + +void +tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos) +{ + const char *cp; + int active; + + /* + * In the options section, proceed to the layout section + * after a semicolon, or right away if there is no semicolon. + * Ignore semicolons in arguments. + */ + + if (tbl->part == TBL_PART_OPTS) { + tbl->part = TBL_PART_LAYOUT; + active = 1; + for (cp = p + pos; *cp != '\0'; cp++) { + switch (*cp) { + case '(': + active = 0; + continue; + case ')': + active = 1; + continue; + case ';': + if (active) + break; + continue; + default: + continue; + } + break; + } + if (*cp == ';') { + tbl_option(tbl, ln, p, &pos); + if (p[pos] == '\0') + return; + } + } + + /* Process the other section types. */ + + switch (tbl->part) { + case TBL_PART_LAYOUT: + tbl_layout(tbl, ln, p, pos); + break; + case TBL_PART_CDATA: + tbl_cdata(tbl, ln, p, pos); + break; + default: + tbl_data(tbl, ln, p, pos); + break; + } +} + +struct tbl_node * +tbl_alloc(int pos, int line, struct tbl_node *last_tbl) +{ + struct tbl_node *tbl; + + tbl = mandoc_calloc(1, sizeof(*tbl)); + if (last_tbl != NULL) + last_tbl->next = tbl; + tbl->line = line; + tbl->pos = pos; + tbl->part = TBL_PART_OPTS; + tbl->opts.tab = '\t'; + tbl->opts.decimal = '.'; + return tbl; +} + +void +tbl_free(struct tbl_node *tbl) +{ + struct tbl_node *old_tbl; + struct tbl_row *rp; + struct tbl_cell *cp; + struct tbl_span *sp; + struct tbl_dat *dp; + + while (tbl != NULL) { + while ((rp = tbl->first_row) != NULL) { + tbl->first_row = rp->next; + while (rp->first != NULL) { + cp = rp->first; + rp->first = cp->next; + free(cp->wstr); + free(cp); + } + free(rp); + } + while ((sp = tbl->first_span) != NULL) { + tbl->first_span = sp->next; + while (sp->first != NULL) { + dp = sp->first; + sp->first = dp->next; + free(dp->string); + free(dp); + } + free(sp); + } + old_tbl = tbl; + tbl = tbl->next; + free(old_tbl); + } +} + +void +tbl_restart(int line, int pos, struct tbl_node *tbl) +{ + if (tbl->part == TBL_PART_CDATA) + mandoc_msg(MANDOCERR_TBLDATA_BLK, line, pos, "T&"); + + tbl->part = TBL_PART_LAYOUT; + tbl->line = line; + tbl->pos = pos; +} + +struct tbl_span * +tbl_span(struct tbl_node *tbl) +{ + struct tbl_span *span; + + span = tbl->current_span ? tbl->current_span->next + : tbl->first_span; + if (span != NULL) + tbl->current_span = span; + return span; +} + +int +tbl_end(struct tbl_node *tbl, int still_open) +{ + struct tbl_span *sp; + + if (still_open) + mandoc_msg(MANDOCERR_BLK_NOEND, tbl->line, tbl->pos, "TS"); + else if (tbl->part == TBL_PART_CDATA) + mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->line, tbl->pos, "TE"); + + sp = tbl->first_span; + while (sp != NULL && sp->first == NULL) + sp = sp->next; + if (sp == NULL) { + mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->line, tbl->pos, NULL); + return 0; + } + return 1; +} |