external/bsd/mdocml/dist/tbl_html.c

   1 /*      Id: tbl_html.c,v 1.10 2012/05/27 17:54:54 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 /* ARGSUSED */
  35 static size_t
  36 html_tbl_len(size_t sz, void *arg)
  37 {
  38
  39         return(sz);
  40 }
  41
  42 /* ARGSUSED */
  43 static size_t
  44 html_tbl_strlen(const char *p, void *arg)
  45 {
  46
  47         return(strlen(p));
  48 }
  49
  50 static void
  51 html_tblopen(struct html *h, const struct tbl_span *sp)
  52 {
  53         const struct tbl_head *hp;
  54         struct htmlpair  tag;
  55         struct roffsu    su;
  56         struct roffcol  *col;
  57
  58         if (TBL_SPAN_FIRST & sp->flags) {
  59                 h->tbl.len = html_tbl_len;
  60                 h->tbl.slen = html_tbl_strlen;
  61                 tblcalc(&h->tbl, sp);
  62         }
  63
  64         assert(NULL == h->tblt);
  65         PAIR_CLASS_INIT(&tag, "tbl");
  66         h->tblt = print_otag(h, TAG_TABLE, 1, &tag);
  67
  68         for (hp = sp->head; hp; hp = hp->next) {
  69                 bufinit(h);
  70                 col = &h->tbl.cols[hp->ident];
  71                 SCALE_HS_INIT(&su, col->width);
  72                 bufcat_su(h, "width", &su);
  73                 PAIR_STYLE_INIT(&tag, h);
  74                 print_otag(h, TAG_COL, 1, &tag);
  75         }
  76
  77         print_otag(h, TAG_TBODY, 0, NULL);
  78 }
  79
  80 void
  81 print_tblclose(struct html *h)
  82 {
  83
  84         assert(h->tblt);
  85         print_tagq(h, h->tblt);
  86         h->tblt = NULL;
  87 }
  88
  89 void
  90 print_tbl(struct html *h, const struct tbl_span *sp)
  91 {
  92         const struct tbl_head *hp;
  93         const struct tbl_dat *dp;
  94         struct htmlpair  tag;
  95         struct tag      *tt;
  96
  97         /* Inhibit printing of spaces: we do padding ourselves. */
  98
  99         if (NULL == h->tblt)
 100                 html_tblopen(h, sp);
 101
 102         assert(h->tblt);
 103
 104         h->flags |= HTML_NONOSPACE;
 105         h->flags |= HTML_NOSPACE;
 106
 107         tt = print_otag(h, TAG_TR, 0, NULL);
 108
 109         switch (sp->pos) {
 110         case (TBL_SPAN_HORIZ):
 111                 /* FALLTHROUGH */
 112         case (TBL_SPAN_DHORIZ):
 113                 PAIR_INIT(&tag, ATTR_COLSPAN, "0");
 114                 print_otag(h, TAG_TD, 1, &tag);
 115                 break;
 116         default:
 117                 dp = sp->first;
 118                 for (hp = sp->head; hp; hp = hp->next) {
 119                         print_stagq(h, tt);
 120                         print_otag(h, TAG_TD, 0, NULL);
 121
 122                         if (NULL == dp)
 123                                 break;
 124                         if (TBL_CELL_DOWN != dp->layout->pos)
 125                                 if (dp->string)
 126                                         print_text(h, dp->string);
 127                         dp = dp->next;
 128                 }
 129                 break;
 130         }
 131
 132         print_tagq(h, tt);
 133
 134         h->flags &= ~HTML_NONOSPACE;
 135
 136         if (TBL_SPAN_LAST & sp->flags) {
 137                 assert(h->tbl.cols);
 138                 free(h->tbl.cols);
 139                 h->tbl.cols = NULL;
 140                 print_tblclose(h);
 141         }
 142
 143 }