roff_html.c

   1 /*      $Id: roff_html.c,v 1.13 2018/12/03 16:18:02 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2014, 2017, 2018 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 <sys/types.h>
  19
  20 #include <assert.h>
  21 #include <stddef.h>
  22
  23 #include "mandoc.h"
  24 #include "roff.h"
  25 #include "out.h"
  26 #include "html.h"
  27
  28 #define ROFF_HTML_ARGS struct html *h, const struct roff_node *n
  29
  30 typedef void    (*roff_html_pre_fp)(ROFF_HTML_ARGS);
  31
  32 static  void      roff_html_pre_br(ROFF_HTML_ARGS);
  33 static  void      roff_html_pre_ce(ROFF_HTML_ARGS);
  34 static  void      roff_html_pre_sp(ROFF_HTML_ARGS);
  35
  36 static  const roff_html_pre_fp roff_html_pre_acts[ROFF_MAX] = {
  37         roff_html_pre_br,  /* br */
  38         roff_html_pre_ce,  /* ce */
  39         NULL,  /* ft */
  40         NULL,  /* ll */
  41         NULL,  /* mc */
  42         NULL,  /* po */
  43         roff_html_pre_ce,  /* rj */
  44         roff_html_pre_sp,  /* sp */
  45         NULL,  /* ta */
  46         NULL,  /* ti */
  47 };
  48
  49
  50 void
  51 roff_html_pre(struct html *h, const struct roff_node *n)
  52 {
  53         assert(n->tok < ROFF_MAX);
  54         if (roff_html_pre_acts[n->tok] != NULL)
  55                 (*roff_html_pre_acts[n->tok])(h, n);
  56 }
  57
  58 static void
  59 roff_html_pre_br(ROFF_HTML_ARGS)
  60 {
  61         print_otag(h, TAG_BR, "");
  62 }
  63
  64 static void
  65 roff_html_pre_ce(ROFF_HTML_ARGS)
  66 {
  67         for (n = n->child->next; n != NULL; n = n->next) {
  68                 if (n->type == ROFFT_TEXT) {
  69                         if (n->flags & NODE_LINE)
  70                                 roff_html_pre_br(h, n);
  71                         print_text(h, n->string);
  72                 } else
  73                         roff_html_pre(h, n);
  74         }
  75         roff_html_pre_br(h, n);
  76 }
  77
  78 static void
  79 roff_html_pre_sp(ROFF_HTML_ARGS)
  80 {
  81         print_paragraph(h);
  82 }