tbl_html.c

   1 /*      $Id: tbl_html.c,v 1.5 2011/01/06 12:31:39 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17 #ifdef HAVE_CONFIG_H
  18 #include "config.h"
  19 #endif
  20
  21 #include <assert.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "mandoc.h"
  27 #include "out.h"
  28 #include "html.h"
  29
  30 static  size_t   html_tbl_len(size_t, void *);
  31 static  size_t   html_tbl_strlen(const char *, void *);
  32
  33 /* ARGSUSED */
  34 static size_t
  35 html_tbl_len(size_t sz, void *arg)
  36 {
  37
  38         return(sz);
  39 }
  40
  41 /* ARGSUSED */
  42 static size_t
  43 html_tbl_strlen(const char *p, void *arg)
  44 {
  45
  46         return(strlen(p));
  47 }
  48
  49 void
  50 print_tbl(struct html *h, const struct tbl_span *sp)
  51 {
  52         const struct tbl_head *hp;
  53         const struct tbl_dat *dp;
  54         struct tag      *tt;
  55         struct htmlpair  tag;
  56         struct roffsu    su;
  57         struct roffcol  *col;
  58
  59         /* Inhibit printing of spaces: we do padding ourselves. */
  60
  61         h->flags |= HTML_NONOSPACE;
  62         h->flags |= HTML_NOSPACE;
  63
  64         /* First pass: calculate widths. */
  65
  66         if (TBL_SPAN_FIRST & sp->flags) {
  67                 h->tbl.len = html_tbl_len;
  68                 h->tbl.slen = html_tbl_strlen;
  69                 tblcalc(&h->tbl, sp);
  70         }
  71
  72         switch (sp->pos) {
  73         case (TBL_SPAN_HORIZ):
  74                 /* FALLTHROUGH */
  75         case (TBL_SPAN_DHORIZ):
  76                 break;
  77         default:
  78                 PAIR_CLASS_INIT(&tag, "tbl");
  79                 print_otag(h, TAG_TABLE, 1, &tag);
  80                 print_otag(h, TAG_TR, 0, NULL);
  81
  82                 /* Iterate over template headers. */
  83
  84                 dp = sp->first;
  85                 for (hp = sp->head; hp; hp = hp->next) {
  86                         switch (hp->pos) {
  87                         case (TBL_HEAD_VERT):
  88                                 /* FALLTHROUGH */
  89                         case (TBL_HEAD_DVERT):
  90                                 continue;
  91                         case (TBL_HEAD_DATA):
  92                                 break;
  93                         }
  94
  95                         /*
  96                          * For the time being, use the simplest possible
  97                          * table styling: setting the widths of data
  98                          * columns.
  99                          */
 100
 101                         col = &h->tbl.cols[hp->ident];
 102                         SCALE_HS_INIT(&su, col->width);
 103                         bufcat_su(h, "width", &su);
 104                         PAIR_STYLE_INIT(&tag, h);
 105                         tt = print_otag(h, TAG_TD, 1, &tag);
 106
 107                         if (dp && dp->string)
 108                                 print_text(h, dp->string);
 109                         if (dp)
 110                                 dp = dp->next;
 111
 112                         print_tagq(h, tt);
 113                 }
 114                 break;
 115         }
 116
 117         h->flags &= ~HTML_NONOSPACE;
 118
 119         /* Close out column specifiers on the last span. */
 120
 121         if (TBL_SPAN_LAST & sp->flags) {
 122                 assert(h->tbl.cols);
 123                 free(h->tbl.cols);
 124                 h->tbl.cols = NULL;
 125         }
 126 }