diff options
Diffstat (limited to 'contrib/mdocml/tbl.c')
| -rw-r--r-- | contrib/mdocml/tbl.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/contrib/mdocml/tbl.c b/contrib/mdocml/tbl.c new file mode 100644 index 0000000..3c94d7e --- /dev/null +++ b/contrib/mdocml/tbl.c @@ -0,0 +1,176 @@ +/* $Id: tbl.c,v 1.29 2014/04/20 16:46:05 schwarze Exp $ */ +/* + * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> + * Copyright (c) 2011 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. + */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#include "mandoc.h" +#include "mandoc_aux.h" +#include "libmandoc.h" +#include "libroff.h" + + +enum rofferr +tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs) +{ + int len; + const char *cp; + + cp = &p[offs]; + len = (int)strlen(cp); + + /* + * If we're in the options section and we don't have a + * terminating semicolon, assume we've moved directly into the + * layout section. No need to report a warning: this is, + * apparently, standard behaviour. + */ + + if (TBL_PART_OPTS == tbl->part && len) + if (';' != cp[len - 1]) + tbl->part = TBL_PART_LAYOUT; + + /* Now process each logical section of the table. */ + + switch (tbl->part) { + case TBL_PART_OPTS: + return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR); + case TBL_PART_LAYOUT: + return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR); + case TBL_PART_CDATA: + return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN); + default: + break; + } + + /* + * This only returns zero if the line is empty, so we ignore it + * and continue on. + */ + return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN); +} + +struct tbl_node * +tbl_alloc(int pos, int line, struct mparse *parse) +{ + struct tbl_node *tbl; + + tbl = mandoc_calloc(1, sizeof(struct tbl_node)); + tbl->line = line; + tbl->pos = pos; + tbl->parse = parse; + tbl->part = TBL_PART_OPTS; + tbl->opts.tab = '\t'; + tbl->opts.linesize = 12; + tbl->opts.decimal = '.'; + return(tbl); +} + +void +tbl_free(struct tbl_node *tbl) +{ + struct tbl_row *rp; + struct tbl_cell *cp; + struct tbl_span *sp; + struct tbl_dat *dp; + struct tbl_head *hp; + + while (NULL != (rp = tbl->first_row)) { + tbl->first_row = rp->next; + while (rp->first) { + cp = rp->first; + rp->first = cp->next; + free(cp); + } + free(rp); + } + + while (NULL != (sp = tbl->first_span)) { + tbl->first_span = sp->next; + while (sp->first) { + dp = sp->first; + sp->first = dp->next; + if (dp->string) + free(dp->string); + free(dp); + } + free(sp); + } + + while (NULL != (hp = tbl->first_head)) { + tbl->first_head = hp->next; + free(hp); + } + + free(tbl); +} + +void +tbl_restart(int line, int pos, struct tbl_node *tbl) +{ + if (TBL_PART_CDATA == tbl->part) + mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse, + tbl->line, tbl->pos, NULL); + + tbl->part = TBL_PART_LAYOUT; + tbl->line = line; + tbl->pos = pos; + + if (NULL == tbl->first_span || NULL == tbl->first_span->first) + mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse, + tbl->line, tbl->pos, NULL); +} + +const struct tbl_span * +tbl_span(struct tbl_node *tbl) +{ + struct tbl_span *span; + + assert(tbl); + span = tbl->current_span ? tbl->current_span->next + : tbl->first_span; + if (span) + tbl->current_span = span; + return(span); +} + +void +tbl_end(struct tbl_node **tblp) +{ + struct tbl_node *tbl; + + tbl = *tblp; + *tblp = NULL; + + if (NULL == tbl->first_span || NULL == tbl->first_span->first) + mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse, + tbl->line, tbl->pos, NULL); + + if (tbl->last_span) + tbl->last_span->flags |= TBL_SPAN_LAST; + + if (TBL_PART_CDATA == tbl->part) + mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse, + tbl->line, tbl->pos, NULL); +} |
