Initial check-in of table data-row processing. For the time being, this

parses table data then throws it away immediately.  It does not yet try
to cross-check data rows against layout or anything.  This copied more
or less completely from tbl.bsd.lv.

1 files changed, 96 insertions, 0 deletions

diff --git a/tbl_data.c b/tbl_data.c
new file mode 100644
index 00000000..764ca2dc
--- /dev/null
+++ b/tbl_data.c
@@ -0,0 +1,96 @@
+/*	$Id: tbl_data.c,v 1.1 2010/12/29 16:44:23 kristaps Exp $ */
+/*
+ * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ *
+ * 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 <assert.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mandoc.h"
+#include "libmandoc.h"
+#include "libroff.h"
+
+static	void	data(struct tbl *, struct tbl_span *, 
+			int, const char *, int *);
+
+void
+data(struct tbl *tbl, struct tbl_span *dp, 
+		int ln, const char *p, int *pos)
+{
+	struct tbl_dat	*dat;
+	int		 sv;
+
+	/* FIXME: warn about losing data contents if cell is HORIZ. */
+
+	dat = mandoc_calloc(1, sizeof(struct tbl_dat));
+
+	if (dp->last) {
+		dp->last->next = dat;
+		dp->last = dat;
+	} else
+		dp->last = dp->first = dat;
+
+	sv = *pos;
+	while (p[*pos] && p[*pos] != tbl->tab)
+		(*pos)++;
+
+	dat->string = mandoc_malloc(*pos - sv + 1);
+	memcpy(dat->string, &p[sv], *pos - sv);
+	dat->string[*pos - sv] = '\0';
+
+	if (p[*pos])
+		(*pos)++;
+
+	/* XXX: do the strcmps, then malloc(). */
+
+	if ( ! strcmp(dat->string, "_"))
+		dat->flags |= TBL_DATA_HORIZ;
+	else if ( ! strcmp(dat->string, "="))
+		dat->flags |= TBL_DATA_DHORIZ;
+	else if ( ! strcmp(dat->string, "\\_"))
+		dat->flags |= TBL_DATA_NHORIZ;
+	else if ( ! strcmp(dat->string, "\\="))
+		dat->flags |= TBL_DATA_NDHORIZ;
+}
+
+struct tbl_span *
+tbl_data(struct tbl *tbl, int ln, const char *p)
+{
+	struct tbl_span	*dp;
+	int		 pos;
+
+	pos = 0;
+
+	if ('\0' == p[pos]) {
+		TBL_MSG(tbl, MANDOCERR_TBL, ln, pos);
+		return(NULL);
+	}
+
+	dp = mandoc_calloc(1, sizeof(struct tbl_span));
+
+	if ( ! strcmp(p, "_")) {
+		dp->flags |= TBL_SPAN_HORIZ;
+		return(dp);
+	} else if ( ! strcmp(p, "=")) {
+		dp->flags |= TBL_SPAN_DHORIZ;
+		return(dp);
+	}
+
+	while ('\0' != p[pos])
+		data(tbl, dp, ln, p, &pos);
+
+	return(dp);
+}