bin/mandoc/tbl_html.c

   1 /*      $Id: tbl_html.c,v 1.20 2017/02/05 18:15:39 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #include "config.h"
  19
  20 #include <sys/types.h>
  21
  22 #include <assert.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "mandoc.h"
  28 #include "out.h"
  29 #include "html.h"
  30
  31 static  void     html_tblopen(struct html *, const struct tbl_span *);
  32 static  size_t   html_tbl_len(size_t, void *);
  33 static  size_t   html_tbl_strlen(const char *, void *);
  34
  35
  36 static size_t
  37 html_tbl_len(size_t sz, void *arg)
  38 {
  39
  40         return sz;
  41 }
  42
  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         struct tag      *t;
  54         int              ic;
  55
  56         if (h->tbl.cols == NULL) {
  57                 h->tbl.len = html_tbl_len;
  58                 h->tbl.slen = html_tbl_strlen;
  59                 tblcalc(&h->tbl, sp, 0);
  60         }
  61
  62         assert(NULL == h->tblt);
  63         h->tblt = print_otag(h, TAG_TABLE, "c", "tbl");
  64
  65         t = print_otag(h, TAG_COLGROUP, "");
  66         for (ic = 0; ic < sp->opts->cols; ic++)
  67                 print_otag(h, TAG_COL, "shw", h->tbl.cols[ic].width);
  68         print_tagq(h, t);
  69 }
  70
  71 void
  72 print_tblclose(struct html *h)
  73 {
  74
  75         assert(h->tblt);
  76         print_tagq(h, h->tblt);
  77         h->tblt = NULL;
  78 }
  79
  80 void
  81 print_tbl(struct html *h, const struct tbl_span *sp)
  82 {
  83         const struct tbl_dat *dp;
  84         struct tag      *tt;
  85         int              ic;
  86
  87         /* Inhibit printing of spaces: we do padding ourselves. */
  88
  89         if (h->tblt == NULL)
  90                 html_tblopen(h, sp);
  91
  92         assert(h->tblt);
  93
  94         h->flags |= HTML_NONOSPACE;
  95         h->flags |= HTML_NOSPACE;
  96
  97         tt = print_otag(h, TAG_TR, "");
  98
  99         switch (sp->pos) {
 100         case TBL_SPAN_HORIZ:
 101         case TBL_SPAN_DHORIZ:
 102                 print_otag(h, TAG_TD, "?", "colspan", "0");
 103                 break;
 104         default:
 105                 dp = sp->first;
 106                 for (ic = 0; ic < sp->opts->cols; ic++) {
 107                         print_stagq(h, tt);
 108                         print_otag(h, TAG_TD, "");
 109
 110                         if (dp == NULL || dp->layout->col > ic)
 111                                 continue;
 112                         if (dp->layout->pos != TBL_CELL_DOWN)
 113                                 if (dp->string != NULL)
 114                                         print_text(h, dp->string);
 115                         dp = dp->next;
 116                 }
 117                 break;
 118         }
 119
 120         print_tagq(h, tt);
 121
 122         h->flags &= ~HTML_NONOSPACE;
 123
 124         if (sp->next == NULL) {
 125                 assert(h->tbl.cols);
 126                 free(h->tbl.cols);
 127                 h->tbl.cols = NULL;
 128                 print_tblclose(h);
 129         }
 130
 131 }