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*/