contrib/mdocml/tbl_html.c

   1 /*      $Id: tbl_html.c,v 1.11 2014/04/20 16:46:05 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   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  void     html_tblopen(struct html *, const struct tbl_span *);
  31 static  size_t   html_tbl_len(size_t, void *);
  32 static  size_t   html_tbl_strlen(const char *, void *);
  33
  34
  35 static size_t
  36 html_tbl_len(size_t sz, void *arg)
  37 {
  38
  39         return(sz);
  40 }
  41
  42 static size_t
  43 html_tbl_strlen(const char *p, void *arg)
  44 {
  45
  46         return(strlen(p));
  47 }
  48
  49 static void
  50 html_tblopen(struct html *h, const struct tbl_span *sp)
  51 {
  52         const struct tbl_head *hp;
  53         struct htmlpair  tag;
  54         struct roffsu    su;
  55         struct roffcol  *col;
  56
  57         if (TBL_SPAN_FIRST & sp->flags) {
  58                 h->tbl.len = html_tbl_len;
  59                 h->tbl.slen = html_tbl_strlen;
  60                 tblcalc(&h->tbl, sp);
  61         }
  62
  63         assert(NULL == h->tblt);
  64         PAIR_CLASS_INIT(&tag, "tbl");
  65         h->tblt = print_otag(h, TAG_TABLE, 1, &tag);
  66
  67         for (hp = sp->head; hp; hp = hp->next) {
  68                 bufinit(h);
  69                 col = &h->tbl.cols[hp->ident];
  70                 SCALE_HS_INIT(&su, col->width);
  71                 bufcat_su(h, "width", &su);
  72                 PAIR_STYLE_INIT(&tag, h);
  73                 print_otag(h, TAG_COL, 1, &tag);
  74         }
  75
  76         print_otag(h, TAG_TBODY, 0, NULL);
  77 }
  78
  79 void
  80 print_tblclose(struct html *h)
  81 {
  82
  83         assert(h->tblt);
  84         print_tagq(h, h->tblt);
  85         h->tblt = NULL;
  86 }
  87
  88 void
  89 print_tbl(struct html *h, const struct tbl_span *sp)
  90 {
  91         const struct tbl_head *hp;
  92         const struct tbl_dat *dp;
  93         struct htmlpair  tag;
  94         struct tag      *tt;
  95
  96         /* Inhibit printing of spaces: we do padding ourselves. */
  97
  98         if (NULL == h->tblt)
  99                 html_tblopen(h, sp);
 100
 101         assert(h->tblt);
 102
 103         h->flags |= HTML_NONOSPACE;
 104         h->flags |= HTML_NOSPACE;
 105
 106         tt = print_otag(h, TAG_TR, 0, NULL);
 107
 108         switch (sp->pos) {
 109         case TBL_SPAN_HORIZ:
 110                 /* FALLTHROUGH */
 111         case TBL_SPAN_DHORIZ:
 112                 PAIR_INIT(&tag, ATTR_COLSPAN, "0");
 113                 print_otag(h, TAG_TD, 1, &tag);
 114                 break;
 115         default:
 116                 dp = sp->first;
 117                 for (hp = sp->head; hp; hp = hp->next) {
 118                         print_stagq(h, tt);
 119                         print_otag(h, TAG_TD, 0, NULL);
 120
 121                         if (NULL == dp)
 122                                 break;
 123                         if (TBL_CELL_DOWN != dp->layout->pos)
 124                                 if (dp->string)
 125                                         print_text(h, dp->string);
 126                         dp = dp->next;
 127                 }
 128                 break;
 129         }
 130
 131         print_tagq(h, tt);
 132
 133         h->flags &= ~HTML_NONOSPACE;
 134
 135         if (TBL_SPAN_LAST & sp->flags) {
 136                 assert(h->tbl.cols);
 137                 free(h->tbl.cols);
 138                 h->tbl.cols = NULL;
 139                 print_tblclose(h);
 140         }
 141
 142 }