usr/src/cmd/mandoc/tbl_html.c

   1 /*      $Id: tbl_html.c,v 1.18 2015/10/12 00:08:16 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2014, 2015 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 htmlpair  tag;
  54         struct roffsu    su;
  55         struct roffcol  *col;
  56         int              ic;
  57
  58         if (h->tbl.cols == NULL) {
  59                 h->tbl.len = html_tbl_len;
  60                 h->tbl.slen = html_tbl_strlen;
  61                 tblcalc(&h->tbl, sp, 0);
  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 (ic = 0; ic < sp->opts->cols; ic++) {
  69                 bufinit(h);
  70                 col = h->tbl.cols + ic;
  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_dat *dp;
  93         struct htmlpair  tag;
  94         struct tag      *tt;
  95         int              ic;
  96
  97         /* Inhibit printing of spaces: we do padding ourselves. */
  98
  99         if (h->tblt == NULL)
 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         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 (ic = 0; ic < sp->opts->cols; ic++) {
 118                         print_stagq(h, tt);
 119                         print_otag(h, TAG_TD, 0, NULL);
 120
 121                         if (dp == NULL || dp->layout->col > ic)
 122                                 continue;
 123                         if (dp->layout->pos != TBL_CELL_DOWN)
 124                                 if (dp->string != NULL)
 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 (sp->next == NULL) {
 136                 assert(h->tbl.cols);
 137                 free(h->tbl.cols);
 138                 h->tbl.cols = NULL;
 139                 print_tblclose(h);
 140         }
 141
 142 }