-/* $Id: tbl_data.c,v 1.13 2011/01/07 13:20:58 kristaps Exp $ */
+/* $Id: tbl_data.c,v 1.41 2015/10/06 18:32:20 schwarze Exp $ */
/*
- * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * 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
* 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 <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <time.h>
#include "mandoc.h"
+#include "mandoc_aux.h"
#include "libmandoc.h"
#include "libroff.h"
-static int data(struct tbl_node *, struct tbl_span *,
- int, const char *, int *);
+static void getdata(struct tbl_node *, struct tbl_span *,
+ int, const char *, int *);
+static struct tbl_span *newspan(struct tbl_node *, int,
+ struct tbl_row *);
+
-static int
-data(struct tbl_node *tbl, struct tbl_span *dp,
+static void
+getdata(struct tbl_node *tbl, struct tbl_span *dp,
int ln, const char *p, int *pos)
{
struct tbl_dat *dat;
struct tbl_cell *cp;
int sv;
- cp = NULL;
- if (dp->last && dp->last->layout)
- cp = dp->last->layout->next;
- else if (NULL == dp->last)
- cp = dp->layout->first;
+ /* Advance to the next layout cell, skipping spanners. */
- /*
- * Skip over spanners and vertical lines to data formats, since
- * we want to match data with data layout cells in the header.
+ cp = dp->last == NULL ? dp->layout->first : dp->last->layout->next;
+ while (cp != NULL && cp->pos == TBL_CELL_SPAN)
+ cp = cp->next;
+
+ /*
+ * Stop processing when we reach the end of the available layout
+ * cells. This means that we have extra input.
*/
- while (cp && (TBL_CELL_VERT == cp->pos ||
- TBL_CELL_DVERT == cp->pos ||
- TBL_CELL_SPAN == cp->pos))
- cp = cp->next;
+ if (cp == NULL) {
+ mandoc_msg(MANDOCERR_TBLDATA_EXTRA, tbl->parse,
+ ln, *pos, p + *pos);
+ /* Skip to the end... */
+ while (p[*pos])
+ (*pos)++;
+ return;
+ }
- dat = mandoc_calloc(1, sizeof(struct tbl_dat));
+ dat = mandoc_calloc(1, sizeof(*dat));
dat->layout = cp;
dat->pos = TBL_DATA_NONE;
-
- if (NULL == dat->layout)
- TBL_MSG(tbl, MANDOCERR_TBLEXTRADAT, ln, *pos);
-
- if (dp->last) {
+ dat->spans = 0;
+ for (cp = cp->next; cp != NULL; cp = cp->next)
+ if (cp->pos == TBL_CELL_SPAN)
+ dat->spans++;
+ else
+ break;
+
+ if (dp->last == NULL)
+ dp->first = dat;
+ else
dp->last->next = dat;
- dp->last = dat;
- } else
- dp->last = dp->first = dat;
+ dp->last = dat;
sv = *pos;
while (p[*pos] && p[*pos] != tbl->opts.tab)
* until a standalone `T}', are included in our cell.
*/
- if (*pos - sv == 2 && 'T' == p[sv] && '{' == p[sv + 1]) {
+ if (*pos - sv == 2 && p[sv] == 'T' && p[sv + 1] == '{') {
tbl->part = TBL_PART_CDATA;
- return(0);
+ return;
}
- dat->string = mandoc_malloc(*pos - sv + 1);
- memcpy(dat->string, &p[sv], *pos - sv);
- dat->string[*pos - sv] = '\0';
+ dat->string = mandoc_strndup(p + sv, *pos - sv);
if (p[*pos])
(*pos)++;
else
dat->pos = TBL_DATA_DATA;
- if (NULL == dat->layout)
- return(1);
-
- if (TBL_CELL_HORIZ == dat->layout->pos ||
- TBL_CELL_DHORIZ == dat->layout->pos)
- if (TBL_DATA_DATA == dat->pos && '\0' != *dat->string)
- TBL_MSG(tbl, MANDOCERR_TBLIGNDATA, ln, sv);
-
- return(1);
+ if ((dat->layout->pos == TBL_CELL_HORIZ ||
+ dat->layout->pos == TBL_CELL_DHORIZ ||
+ dat->layout->pos == TBL_CELL_DOWN) &&
+ dat->pos == TBL_DATA_DATA && *dat->string != '\0')
+ mandoc_msg(MANDOCERR_TBLDATA_SPAN,
+ tbl->parse, ln, sv, dat->string);
}
-/* ARGSUSED */
int
-tbl_cdata(struct tbl_node *tbl, int ln, const char *p)
+tbl_cdata(struct tbl_node *tbl, int ln, const char *p, int pos)
{
struct tbl_dat *dat;
- size_t sz;
+ size_t sz;
- if (0 == strcmp(p, "T}")) {
- tbl->part = TBL_PART_DATA;
- return(1);
+ dat = tbl->last_span->last;
+
+ if (p[pos] == 'T' && p[pos + 1] == '}') {
+ pos += 2;
+ if (p[pos] == tbl->opts.tab) {
+ tbl->part = TBL_PART_DATA;
+ pos++;
+ while (p[pos] != '\0')
+ getdata(tbl, tbl->last_span, ln, p, &pos);
+ return 1;
+ } else if (p[pos] == '\0') {
+ tbl->part = TBL_PART_DATA;
+ return 1;
+ }
+
+ /* Fallthrough: T} is part of a word. */
}
- dat = tbl->last_span->last;
dat->pos = TBL_DATA_DATA;
- if (dat->string) {
- sz = strlen(p) + strlen(dat->string) + 2;
+ if (dat->string != NULL) {
+ sz = strlen(p + pos) + strlen(dat->string) + 2;
dat->string = mandoc_realloc(dat->string, sz);
- strlcat(dat->string, " ", sz);
- strlcat(dat->string, p, sz);
+ (void)strlcat(dat->string, " ", sz);
+ (void)strlcat(dat->string, p + pos, sz);
} else
- dat->string = mandoc_strdup(p);
+ dat->string = mandoc_strdup(p + pos);
- return(0);
+ if (dat->layout->pos == TBL_CELL_DOWN)
+ mandoc_msg(MANDOCERR_TBLDATA_SPAN, tbl->parse,
+ ln, pos, dat->string);
+
+ return 0;
}
-int
-tbl_data(struct tbl_node *tbl, int ln, const char *p)
+static struct tbl_span *
+newspan(struct tbl_node *tbl, int line, struct tbl_row *rp)
{
struct tbl_span *dp;
- struct tbl_row *rp;
- int pos;
- pos = 0;
+ dp = mandoc_calloc(1, sizeof(*dp));
+ dp->line = line;
+ dp->opts = &tbl->opts;
+ dp->layout = rp;
+ dp->prev = tbl->last_span;
- if ('\0' == p[pos]) {
- TBL_MSG(tbl, MANDOCERR_TBL, ln, pos);
- return(0);
- }
+ if (dp->prev == NULL) {
+ tbl->first_span = dp;
+ tbl->current_span = NULL;
+ } else
+ dp->prev->next = dp;
+ tbl->last_span = dp;
+
+ return dp;
+}
+
+void
+tbl_data(struct tbl_node *tbl, int ln, const char *p, int pos)
+{
+ struct tbl_span *dp;
+ struct tbl_row *rp;
- /*
+ /*
* Choose a layout row: take the one following the last parsed
* span's. If that doesn't exist, use the last parsed span's.
- * If there's no last parsed span, use the first row. This can
- * be NULL!
+ * If there's no last parsed span, use the first row. Lastly,
+ * if the last span was a horizontal line, use the same layout
+ * (it doesn't "consume" the layout).
*/
- if (tbl->last_span) {
- assert(tbl->last_span->layout);
- rp = tbl->last_span->layout->next;
- if (NULL == rp)
+ if (tbl->last_span != NULL) {
+ if (tbl->last_span->pos == TBL_SPAN_DATA) {
+ for (rp = tbl->last_span->layout->next;
+ rp != NULL && rp->first != NULL;
+ rp = rp->next) {
+ switch (rp->first->pos) {
+ case TBL_CELL_HORIZ:
+ dp = newspan(tbl, ln, rp);
+ dp->pos = TBL_SPAN_HORIZ;
+ continue;
+ case TBL_CELL_DHORIZ:
+ dp = newspan(tbl, ln, rp);
+ dp->pos = TBL_SPAN_DHORIZ;
+ continue;
+ default:
+ break;
+ }
+ break;
+ }
+ } else
+ rp = tbl->last_span->layout;
+
+ if (rp == NULL)
rp = tbl->last_span->layout;
} else
rp = tbl->first_row;
- dp = mandoc_calloc(1, sizeof(struct tbl_span));
- dp->tbl = &tbl->opts;
- dp->layout = rp;
- dp->head = tbl->first_head;
-
- if (tbl->last_span) {
- tbl->last_span->next = dp;
- tbl->last_span = dp;
- } else {
- tbl->last_span = tbl->first_span = dp;
- dp->flags |= TBL_SPAN_FIRST;
- }
+ assert(rp);
+
+ dp = newspan(tbl, ln, rp);
if ( ! strcmp(p, "_")) {
dp->pos = TBL_SPAN_HORIZ;
- return(1);
+ return;
} else if ( ! strcmp(p, "=")) {
dp->pos = TBL_SPAN_DHORIZ;
- return(1);
+ return;
}
dp->pos = TBL_SPAN_DATA;
- /* This returns 0 when TBL_PART_CDATA is entered. */
-
- while ('\0' != p[pos])
- if ( ! data(tbl, dp, ln, p, &pos))
- return(0);
-
- return(1);
+ while (p[pos] != '\0')
+ getdata(tbl, dp, ln, p, &pos);
}
git.ckatri.com / mandoc.git / blobdiff