1 /* $Id: html.h,v 1.49 2013/08/08 20:07:47 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2008, 2009, 2010, 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 #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_TBODY, 37 TAG_COL, 38 TAG_TR, 39 TAG_TD, 40 TAG_LI, 41 TAG_UL, 42 TAG_OL, 43 TAG_DL, 44 TAG_DT, 45 TAG_DD, 46 TAG_BLOCKQUOTE, 47 TAG_P, 48 TAG_PRE, 49 TAG_B, 50 TAG_I, 51 TAG_CODE, 52 TAG_SMALL, 53 TAG_MAX 54 }; 55 56 enum htmlattr { 57 ATTR_HTTPEQUIV, 58 ATTR_CONTENT, 59 ATTR_NAME, 60 ATTR_REL, 61 ATTR_HREF, 62 ATTR_TYPE, 63 ATTR_MEDIA, 64 ATTR_CLASS, 65 ATTR_STYLE, 66 ATTR_WIDTH, 67 ATTR_ID, 68 ATTR_SUMMARY, 69 ATTR_ALIGN, 70 ATTR_COLSPAN, 71 ATTR_MAX 72 }; 73 74 enum htmlfont { 75 HTMLFONT_NONE = 0, 76 HTMLFONT_BOLD, 77 HTMLFONT_ITALIC, 78 HTMLFONT_BI, 79 HTMLFONT_MAX 80 }; 81 82 struct tag { 83 struct tag *next; 84 enum htmltag tag; 85 }; 86 87 struct tagq { 88 struct tag *head; 89 }; 90 91 struct htmlpair { 92 enum htmlattr key; 93 const char *val; 94 }; 95 96 #define PAIR_INIT(p, t, v) \ 97 do { \ 98 (p)->key = (t); \ 99 (p)->val = (v); \ 100 } while (/* CONSTCOND */ 0) 101 102 #define PAIR_ID_INIT(p, v) PAIR_INIT(p, ATTR_ID, v) 103 #define PAIR_CLASS_INIT(p, v) PAIR_INIT(p, ATTR_CLASS, v) 104 #define PAIR_HREF_INIT(p, v) PAIR_INIT(p, ATTR_HREF, v) 105 #define PAIR_STYLE_INIT(p, h) PAIR_INIT(p, ATTR_STYLE, (h)->buf) 106 #define PAIR_SUMMARY_INIT(p, v) PAIR_INIT(p, ATTR_SUMMARY, v) 107 108 enum htmltype { 109 HTML_HTML_4_01_STRICT, 110 HTML_XHTML_1_0_STRICT 111 }; 112 113 struct html { 114 int flags; 115 #define HTML_NOSPACE (1 << 0) /* suppress next space */ 116 #define HTML_IGNDELIM (1 << 1) 117 #define HTML_KEEP (1 << 2) 118 #define HTML_PREKEEP (1 << 3) 119 #define HTML_NONOSPACE (1 << 4) /* never add spaces */ 120 #define HTML_LITERAL (1 << 5) /* literal (e.g., <PRE>) context */ 121 #define HTML_SKIPCHAR (1 << 6) /* skip the next character */ 122 struct tagq tags; /* stack of open tags */ 123 struct rofftbl tbl; /* current table */ 124 struct tag *tblt; /* current open table scope */ 125 struct mchars *symtab; /* character-escapes */ 126 char *base_man; /* base for manpage href */ 127 char *base_includes; /* base for include href */ 128 char *style; /* style-sheet URI */ 129 char buf[BUFSIZ]; /* see bufcat and friends */ 130 size_t buflen; 131 struct tag *metaf; /* current open font scope */ 132 enum htmlfont metal; /* last used font */ 133 enum htmlfont metac; /* current font mode */ 134 enum htmltype type; /* output media type */ 135 int oflags; /* output options */ 136 #define HTML_FRAGMENT (1 << 0) /* don't emit HTML/HEAD/BODY */ 137 }; 138 139 void print_gen_decls(struct html *); 140 void print_gen_head(struct html *); 141 struct tag *print_otag(struct html *, enum htmltag, 142 int, const struct htmlpair *); 143 void print_tagq(struct html *, const struct tag *); 144 void print_stagq(struct html *, const struct tag *); 145 void print_text(struct html *, const char *); 146 void print_tblclose(struct html *); 147 void print_tbl(struct html *, const struct tbl_span *); 148 void print_eqn(struct html *, const struct eqn *); 149 150 void bufcat_fmt(struct html *, const char *, ...); 151 void bufcat(struct html *, const char *); 152 void bufcat_id(struct html *, const char *); 153 void bufcat_style(struct html *, 154 const char *, const char *); 155 void bufcat_su(struct html *, const char *, 156 const struct roffsu *); 157 void bufinit(struct html *); 158 void buffmt_man(struct html *, 159 const char *, const char *); 160 void buffmt_includes(struct html *, const char *); 161 162 int html_strlen(const char *); 163 164 __END_DECLS 165 166 #endif /*!HTML_H*/ 167