Explain how to transform markup for the terminal when not using a

[mandoc.git] / tbl.c

diff --git a/tbl.c b/tbl.c
index 67d005845366a42b8d71ae1ecfa311cbbbed1e49..3fb8e52a4c6e69218a21073295fa3fa4fe7e8430 100644 (file)
--- a/tbl.c
+++ b/tbl.c
@@ -1,6 +1,7 @@
-/*     $Id: tbl.c,v 1.3 2010/12/28 13:46:07 kristaps Exp $ */
+/*     $Id: tbl.c,v 1.42 2017/07/08 17:52:50 schwarze Exp $ */

 /*
 /*

- * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@kth.se>
+ * 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
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -14,6 +15,10 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
  * 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 <assert.h>
 #include <stdio.h>
 #include <stdlib.h>


@@ -21,125 +26,154 @@
 #include <time.h>
 
 #include "mandoc.h"
 #include <time.h>
 
 #include "mandoc.h"

-#include "roff.h"
+#include "mandoc_aux.h"

 #include "libmandoc.h"
 #include "libroff.h"
 
 #include "libmandoc.h"
 #include "libroff.h"
 

-static const char       tbl_toks[TBL_TOK__MAX] = {
-       '(',    ')',    ',',    ';',    '.',
-       ' ',    '\t',   '\0'
-};
-
-static void             tbl_init(struct tbl *);
-static void             tbl_clear(struct tbl *);
-static enum tbl_tok     tbl_next_char(char);
-
-static void
-tbl_clear(struct tbl *tbl)
-{
-
-}
-
-static void
-tbl_init(struct tbl *tbl)
-{
-
-       tbl->part = TBL_PART_OPTS;
-}

 
 

-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;
        const char      *cp;

+       int              active;

 
 

-       cp = &p[offs];
-       len = (int)strlen(cp);
+       /*
+        * 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 (len && TBL_PART_OPTS == tbl->part)
-               if (';' != cp[len - 1])
-                       tbl->part = TBL_PART_LAYOUT;
-       
-       return(ROFF_CONT);
+       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;
+               }
+       }
+
+       /* Process the other section types.  */
+
+       switch (tbl->part) {
+       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;
+       }

 }
 
 }
 

-struct tbl *
-tbl_alloc(void)
+struct tbl_node *
+tbl_alloc(int pos, int line, struct mparse *parse)

 {
 {

-       struct tbl      *p;
+       struct tbl_node *tbl;

 
 

-       p = mandoc_malloc(sizeof(struct tbl));
-       tbl_init(p);
-       return(p);
+       tbl = mandoc_calloc(1, sizeof(*tbl));
+       tbl->line = line;
+       tbl->pos = pos;
+       tbl->parse = parse;
+       tbl->part = TBL_PART_OPTS;
+       tbl->opts.tab = '\t';
+       tbl->opts.decimal = '.';
+       return tbl;

 }
 
 void
 }
 
 void

-tbl_free(struct tbl *p)
+tbl_free(struct tbl_node *tbl)

 {
 {

+       struct tbl_row  *rp;
+       struct tbl_cell *cp;
+       struct tbl_span *sp;
+       struct tbl_dat  *dp;
+
+       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);
+       }
+
+       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(sp);
+       }

 
 

-       tbl_clear(p);
-       free(p);
+       free(tbl);

 }
 
 void
 }
 
 void

-tbl_reset(struct tbl *tbl)
+tbl_restart(int line, int pos, struct tbl_node *tbl)

 {
 {

+       if (tbl->part == TBL_PART_CDATA)
+               mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
+                   line, pos, "T&");

 
 

-       tbl_clear(tbl);
-       tbl_init(tbl);
+       tbl->part = TBL_PART_LAYOUT;
+       tbl->line = line;
+       tbl->pos = pos;

 }
 
 }
 

-static enum tbl_tok
-tbl_next_char(char c)
+const struct tbl_span *
+tbl_span(struct tbl_node *tbl)

 {
 {

-       int              i;
-
-       /*
-        * These are delimiting tokens.  They separate out words in the
-        * token stream.
-        *
-        * FIXME: make this into a hashtable for faster lookup.
-        */
-       for (i = 0; i < TBL_TOK__MAX; i++)
-               if (c == tbl_toks[i])
-                       return((enum tbl_tok)i);
-
-       return(TBL_TOK__MAX);
+       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;

 }
 
 }
 

-enum tbl_tok
-tbl_next(struct tbl *tbl, const char *p, int *pos)
+int
+tbl_end(struct tbl_node *tbl)

 {
 {

-       int              i;
-       enum tbl_tok     c;
-
-       tbl->buf[0] = '\0';
-
-       if (TBL_TOK__MAX != (c = tbl_next_char(p[*pos]))) {
-               if (TBL_TOK_NIL != c) {
-                       tbl->buf[0] = p[*pos];
-                       tbl->buf[1] = '\0';
-                       (*pos)++;
-               }
-               return(c);
+       struct tbl_span *sp;
+
+       if (tbl->part == TBL_PART_CDATA)
+               mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
+                   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->parse,
+                   tbl->line, tbl->pos, NULL);
+               return 0;

        }
        }

-
-       /*
-        * Copy words into a nil-terminated buffer.  For now, we use a
-        * static buffer.  FIXME: eventually this should be made into a
-        * dynamic one living in struct tbl.
-        */
-
-       for (i = 0; i < BUFSIZ; i++, (*pos)++)
-               if (TBL_TOK__MAX == tbl_next_char(p[*pos]))
-                       tbl->buf[i] = p[*pos];
-               else
-                       break;
-
-       assert(i < BUFSIZ);
-       tbl->buf[i] = '\0';
-
-       return(TBL_TOK__MAX);
+       return 1;

 }
 }

-
-