-/* $Id: tbl.c,v 1.16 2011/01/01 23:00:46 kristaps Exp $ */
+/* $Id: tbl.c,v 1.46 2018/12/14 06:33:14 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.
*/
+#include "config.h"
+
+#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 "roff.h"
+#include "tbl.h"
#include "libmandoc.h"
-#include "libroff.h"
+#include "tbl_parse.h"
+#include "tbl_int.h"
-static void tbl_calc(struct tbl *);
-static void tbl_calc_data(struct tbl *, struct tbl_dat *);
-static void tbl_calc_data_literal(struct tbl_dat *);
-static void tbl_calc_data_number(struct tbl *, struct tbl_dat *);
-static void tbl_calc_data_spanner(struct tbl_dat *);
-enum rofferr
-tbl_read(struct tbl *tbl, int ln, const char *p, int offs)
+void
+tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
{
- int len;
const char *cp;
-
- cp = &p[offs];
- len = (int)strlen(cp);
+ int active;
/*
- * 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.
+ * 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_OPTS == tbl->part && len)
- if (';' != cp[len - 1])
- tbl->part = TBL_PART_LAYOUT;
+ 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;
+ }
+ }
- /* Now process each logical section of the table. */
+ /* Process the other section types. */
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_DATA):
+ 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;
}
-
- /*
- * 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 *
-tbl_alloc(int pos, int line, void *data, const mandocmsg msg)
+struct tbl_node *
+tbl_alloc(int pos, int line, struct tbl_node *last_tbl)
{
- struct tbl *p;
+ struct tbl_node *tbl;
- p = mandoc_calloc(1, sizeof(struct tbl));
- p->line = line;
- p->pos = pos;
- p->data = data;
- p->msg = msg;
- p->part = TBL_PART_OPTS;
- p->tab = '\t';
- p->linesize = 12;
- p->decimal = '.';
- return(p);
+ 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 *p)
+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;
- struct tbl_head *hp;
- while (NULL != (rp = p->first_row)) {
- p->first_row = rp->next;
- while (rp->first) {
- cp = rp->first;
- rp->first = cp->next;
- free(cp);
+ 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);
}
- free(rp);
- }
-
- while (NULL != (sp = p->first_span)) {
- p->first_span = sp->next;
- while (sp->first) {
- dp = sp->first;
- sp->first = dp->next;
- if (dp->string)
+ 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(dp);
+ }
+ free(sp);
}
- free(sp);
+ old_tbl = tbl;
+ tbl = tbl->next;
+ free(old_tbl);
}
-
- while (NULL != (hp = p->first_head)) {
- p->first_head = hp->next;
- free(hp);
- }
-
- free(p);
}
void
-tbl_restart(int line, int pos, struct tbl *tbl)
+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;
-
- if (NULL == tbl->first_span || NULL == tbl->first_span->first)
- TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
-}
-
-const struct tbl_span *
-tbl_span(const struct tbl *tbl)
-{
-
- assert(tbl);
- return(tbl->last_span);
}
-void
-tbl_end(struct tbl *tbl)
+struct tbl_span *
+tbl_span(struct tbl_node *tbl)
{
+ struct tbl_span *span;
- if (NULL == tbl->first_span || NULL == tbl->first_span->first)
- TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
- else
- tbl_calc(tbl);
+ span = tbl->current_span ? tbl->current_span->next
+ : tbl->first_span;
+ if (span != NULL)
+ tbl->current_span = span;
+ return span;
}
-static void
-tbl_calc(struct tbl *tbl)
+int
+tbl_end(struct tbl_node *tbl, int still_open)
{
- struct tbl_span *sp;
- struct tbl_dat *dp;
- struct tbl_head *hp;
-
- /* Calculate width as the max of column cells' widths. */
-
- for (sp = tbl->first_span; sp; sp = sp->next) {
- switch (sp->pos) {
- case (TBL_DATA_HORIZ):
- /* FALLTHROUGH */
- case (TBL_DATA_DHORIZ):
- continue;
- default:
- break;
- }
- for (dp = sp->first; dp; dp = dp->next)
- tbl_calc_data(tbl, dp);
+ 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;
}
-
- /* Calculate width as the simple spanner value. */
-
- for (hp = tbl->first_head; hp; hp = hp->next)
- switch (hp->pos) {
- case (TBL_HEAD_VERT):
- hp->width = 1;
- break;
- case (TBL_HEAD_DVERT):
- hp->width = 2;
- break;
- default:
- break;
- }
+ return 1;
}
-
-static void
-tbl_calc_data(struct tbl *tbl, struct tbl_dat *data)
-{
-
- /*
- * This is the case with overrunning cells...
- */
- if (NULL == data->layout)
- return;
-
- /* Branch down into data sub-types. */
-
- switch (data->layout->pos) {
- case (TBL_CELL_HORIZ):
- /* FALLTHROUGH */
- case (TBL_CELL_DHORIZ):
- tbl_calc_data_spanner(data);
- break;
- case (TBL_CELL_LONG):
- /* FALLTHROUGH */
- case (TBL_CELL_CENTRE):
- /* FALLTHROUGH */
- case (TBL_CELL_LEFT):
- /* FALLTHROUGH */
- case (TBL_CELL_RIGHT):
- tbl_calc_data_literal(data);
- break;
- case (TBL_CELL_NUMBER):
- tbl_calc_data_number(tbl, data);
- break;
- default:
- abort();
- /* NOTREACHED */
- }
-}
-
-static void
-tbl_calc_data_spanner(struct tbl_dat *data)
-{
-
- /* N.B., these are horiz spanners (not vert) so always 1. */
- data->layout->head->width = 1;
-}
-
-static void
-tbl_calc_data_number(struct tbl *tbl, struct tbl_dat *data)
-{
- int sz, d;
- char *dp, pnt;
-
- /*
- * First calculate number width and decimal place (last + 1 for
- * no-decimal numbers). If the stored decimal is subsequent
- * ours, make our size longer by that difference
- * (right-"shifting"); similarly, if ours is subsequent the
- * stored, then extend the stored size by the difference.
- * Finally, re-assign the stored values.
- */
-
- /* TODO: use spacing modifier. */
-
- assert(data->string);
- sz = (int)strlen(data->string);
- pnt = tbl->decimal;
-
- if (NULL == (dp = strchr(data->string, pnt)))
- d = sz + 1;
- else
- d = (int)(dp - data->string) + 1;
-
- sz += 2;
-
- if (data->layout->head->decimal > d) {
- sz += data->layout->head->decimal - d;
- d = data->layout->head->decimal;
- } else
- data->layout->head->width +=
- d - data->layout->head->decimal;
-
- if (sz > data->layout->head->width)
- data->layout->head->width = sz;
- if (d > data->layout->head->decimal)
- data->layout->head->decimal = d;
-}
-
-static void
-tbl_calc_data_literal(struct tbl_dat *data)
-{
- int sz, bufsz;
-
- /*
- * Calculate our width and use the spacing, with a minimum
- * spacing dictated by position (centre, e.g,. gets a space on
- * either side, while right/left get a single adjacent space).
- */
-
- assert(data->string);
- sz = (int)strlen(data->string);
-
- switch (data->layout->pos) {
- case (TBL_CELL_LONG):
- /* FALLTHROUGH */
- case (TBL_CELL_CENTRE):
- bufsz = 2;
- break;
- default:
- bufsz = 1;
- break;
- }
-
- if (data->layout->spacing)
- bufsz = bufsz > data->layout->spacing ?
- bufsz : data->layout->spacing;
-
- sz += bufsz;
- if (data->layout->head->width < sz)
- data->layout->head->width = sz;
-}
-
-