html.h

   1 /*      $Id: html.h,v 1.27 2010/07/23 00:08:57 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2010 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 #ifndef HTML_H
  18 #define HTML_H
  19
  20 __BEGIN_DECLS
  21
  22 enum    htmltag {
  23         TAG_HTML,
  24         TAG_HEAD,
  25         TAG_BODY,
  26         TAG_META,
  27         TAG_TITLE,
  28         TAG_DIV,
  29         TAG_H1,
  30         TAG_H2,
  31         TAG_SPAN,
  32         TAG_LINK,
  33         TAG_BR,
  34         TAG_A,
  35         TAG_TABLE,
  36         TAG_COL,
  37         TAG_TR,
  38         TAG_TD,
  39         TAG_LI,
  40         TAG_UL,
  41         TAG_OL,
  42         TAG_MAX
  43 };
  44
  45 enum    htmlattr {
  46         ATTR_HTTPEQUIV,
  47         ATTR_CONTENT,
  48         ATTR_NAME,
  49         ATTR_REL,
  50         ATTR_HREF,
  51         ATTR_TYPE,
  52         ATTR_MEDIA,
  53         ATTR_CLASS,
  54         ATTR_STYLE,
  55         ATTR_WIDTH,
  56         ATTR_VALIGN,
  57         ATTR_TARGET,
  58         ATTR_ID,
  59         ATTR_SUMMARY,
  60         ATTR_MAX
  61 };
  62
  63 enum    htmlfont {
  64         HTMLFONT_NONE = 0,
  65         HTMLFONT_BOLD,
  66         HTMLFONT_ITALIC,
  67         HTMLFONT_MAX
  68 };
  69
  70 struct  tag {
  71         struct tag       *next;
  72         enum htmltag      tag;
  73 };
  74
  75 struct  ord {
  76         struct ord       *next;
  77         const void       *cookie;
  78         int               pos;
  79 };
  80
  81 struct tagq {
  82         struct tag       *head;
  83 };
  84 struct ordq {
  85         struct ord       *head;
  86 };
  87
  88 struct  htmlpair {
  89         enum htmlattr     key;
  90         const char       *val;
  91 };
  92
  93 #define PAIR_INIT(p, t, v) \
  94         do { \
  95                 (p)->key = (t); \
  96                 (p)->val = (v); \
  97         } while (/* CONSTCOND */ 0)
  98
  99 #define PAIR_ID_INIT(p, v)      PAIR_INIT(p, ATTR_ID, v)
 100 #define PAIR_CLASS_INIT(p, v)   PAIR_INIT(p, ATTR_CLASS, v)
 101 #define PAIR_HREF_INIT(p, v)    PAIR_INIT(p, ATTR_HREF, v)
 102 #define PAIR_STYLE_INIT(p, h)   PAIR_INIT(p, ATTR_STYLE, (h)->buf)
 103 #define PAIR_SUMMARY_INIT(p, v) PAIR_INIT(p, ATTR_SUMMARY, v)
 104
 105 enum    htmltype {
 106         HTML_HTML_4_01_STRICT,
 107         HTML_XHTML_1_0_STRICT
 108 };
 109
 110 struct  html {
 111         int               flags;
 112 #define HTML_NOSPACE     (1 << 0)
 113 #define HTML_IGNDELIM    (1 << 1)
 114 #define HTML_KEEP        (1 << 2)
 115 #define HTML_PREKEEP     (1 << 3)
 116 #define HTML_NONOSPACE   (1 << 4)
 117         struct tagq       tags;
 118         struct ordq       ords;
 119         void             *symtab;
 120         char             *base;
 121         char             *base_man;
 122         char             *base_includes;
 123         char             *style;
 124         char              buf[BUFSIZ];
 125         size_t            buflen;
 126         struct tag       *metaf;
 127         enum htmlfont     metal;
 128         enum htmlfont     metac;
 129         enum htmltype     type;
 130 };
 131
 132 struct  roffsu;
 133
 134 void              print_gen_decls(struct html *);
 135 void              print_gen_head(struct html *);
 136 struct tag       *print_ofont(struct html *, enum htmlfont);
 137 struct tag       *print_otag(struct html *, enum htmltag,
 138                                 int, const struct htmlpair *);
 139 void              print_tagq(struct html *, const struct tag *);
 140 void              print_stagq(struct html *, const struct tag *);
 141 void              print_text(struct html *, const char *);
 142
 143 void              bufcat_su(struct html *, const char *,
 144                         const struct roffsu *);
 145 void              buffmt_man(struct html *,
 146                         const char *, const char *);
 147 void              buffmt_includes(struct html *, const char *);
 148 void              buffmt(struct html *, const char *, ...);
 149 void              bufcat(struct html *, const char *);
 150 void              bufcat_style(struct html *,
 151                         const char *, const char *);
 152 void              bufncat(struct html *, const char *, size_t);
 153 void              bufinit(struct html *);
 154
 155 void              html_idcat(char *, const char *, int);
 156
 157 __END_DECLS
 158
 159 #endif /*!HTML_H*/