]> git.cameronkatri.com Git - mandoc.git/blobdiff - tbl.c
Multiple parser and formatter fixes for line drawing in tbl(7).
[mandoc.git] / tbl.c
diff --git a/tbl.c b/tbl.c
index 1ea37f5a3539467f50cd1d9a325f4c1bd6469224..bd8fc99cdb7f29082d52d237f4826800b588321f 100644 (file)
--- a/tbl.c
+++ b/tbl.c
@@ -1,6 +1,7 @@
-/*     $Id: tbl.c,v 1.20 2011/01/03 13:59:21 kristaps Exp $ */
+/*     $Id: tbl.c,v 1.34 2015/01/27 05:21:45 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 <time.h>
 
 #include "mandoc.h"
-#include "roff.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);
+       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; *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);
+                       if (*(p = cp + 1) == '\0')
+                               return(ROFF_IGN);
+               }
+       }
 
-       /* 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);
+               return(ROFF_IGN);
+       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);
+       tbl_data(tbl, ln, p);
+       return(ROFF_TBL);
 }
 
 struct tbl_node *
-tbl_alloc(int pos, int line, void *data, const mandocmsg msg)
+tbl_alloc(int pos, int line, struct mparse *parse)
 {
-       struct tbl_node *p;
-
-       p = mandoc_calloc(1, sizeof(struct tbl_node));
-       p->line = line;
-       p->pos = pos;
-       p->data = data;
-       p->msg = msg;
-       p->part = TBL_PART_OPTS;
-       p->opts.tab = '\t';
-       p->opts.linesize = 12;
-       p->opts.decimal = '.';
-       return(p);
+       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.decimal = '.';
+       return(tbl);
 }
 
 void
-tbl_free(struct tbl_node *p)
+tbl_free(struct tbl_node *tbl)
 {
        struct tbl_row  *rp;
        struct tbl_cell *cp;
@@ -89,8 +110,8 @@ tbl_free(struct tbl_node *p)
        struct tbl_dat  *dp;
        struct tbl_head *hp;
 
-       while (NULL != (rp = p->first_row)) {
-               p->first_row = rp->next;
+       while (NULL != (rp = tbl->first_row)) {
+               tbl->first_row = rp->next;
                while (rp->first) {
                        cp = rp->first;
                        rp->first = cp->next;
@@ -99,8 +120,8 @@ tbl_free(struct tbl_node *p)
                free(rp);
        }
 
-       while (NULL != (sp = p->first_span)) {
-               p->first_span = sp->next;
+       while (NULL != (sp = tbl->first_span)) {
+               tbl->first_span = sp->next;
                while (sp->first) {
                        dp = sp->first;
                        sp->first = dp->next;
@@ -111,42 +132,63 @@ tbl_free(struct tbl_node *p)
                free(sp);
        }
 
-       while (NULL != (hp = p->first_head)) {
-               p->first_head = hp->next;
+       while (NULL != (hp = tbl->first_head)) {
+               tbl->first_head = hp->next;
                free(hp);
        }
 
-       free(p);
+       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)
-               TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
+               mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
+                   tbl->line, tbl->pos, NULL);
 }
 
 const struct tbl_span *
-tbl_span(const struct tbl_node *tbl)
+tbl_span(struct tbl_node *tbl)
 {
+       struct tbl_span  *span;
 
        assert(tbl);
-       return(tbl->last_span);
+       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 *tbl)
+tbl_end(struct tbl_node **tblp)
 {
+       struct tbl_node *tbl;
+       struct tbl_span *sp;
 
-       if (NULL == tbl->first_span || NULL == tbl->first_span->first)
-               TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
+       tbl = *tblp;
+       *tblp = NULL;
+
+       sp = tbl->first_span;
+       while (sp != NULL && sp->first == NULL)
+               sp = sp->next;
+       if (sp == NULL)
+               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);
+}