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Commit	Line	Data
	1	/* $Id: html.h,v 1.47 2011/10/05 21:35:17 kristaps 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_MAX
	79	};
	80
	81	struct tag {
	82	struct tag *next;
	83	enum htmltag tag;
	84	};
	85
	86	struct tagq {
	87	struct tag *head;
	88	};
	89
	90	struct htmlpair {
	91	enum htmlattr key;
	92	const char *val;
	93	};
	94
	95	#define PAIR_INIT(p, t, v) \
	96	do { \
	97	(p)->key = (t); \
	98	(p)->val = (v); \
	99	} while (/* CONSTCOND */ 0)
	100
	101	#define PAIR_ID_INIT(p, v) PAIR_INIT(p, ATTR_ID, v)
	102	#define PAIR_CLASS_INIT(p, v) PAIR_INIT(p, ATTR_CLASS, v)
	103	#define PAIR_HREF_INIT(p, v) PAIR_INIT(p, ATTR_HREF, v)
	104	#define PAIR_STYLE_INIT(p, h) PAIR_INIT(p, ATTR_STYLE, (h)->buf)
	105	#define PAIR_SUMMARY_INIT(p, v) PAIR_INIT(p, ATTR_SUMMARY, v)
	106
	107	enum htmltype {
	108	HTML_HTML_4_01_STRICT,
	109	HTML_XHTML_1_0_STRICT
	110	};
	111
	112	struct html {
	113	int flags;
	114	#define HTML_NOSPACE (1 << 0) /* suppress next space */
	115	#define HTML_IGNDELIM (1 << 1)
	116	#define HTML_KEEP (1 << 2)
	117	#define HTML_PREKEEP (1 << 3)
	118	#define HTML_NONOSPACE (1 << 4) /* never add spaces */
	119	#define HTML_LITERAL (1 << 5) /* literal (e.g., <PRE>) context */
	120	struct tagq tags; /* stack of open tags */
	121	struct rofftbl tbl; /* current table */
	122	struct tag tblt; / current open table scope */
	123	struct mchars symtab; / character-escapes */
	124	char base_man; / base for manpage href */
	125	char base_includes; / base for include href */
	126	char style; / style-sheet URI */
	127	char buf[BUFSIZ]; /* see bufcat and friends */
	128	size_t buflen;
	129	struct tag metaf; / current open font scope */
	130	enum htmlfont metal; /* last used font */
	131	enum htmlfont metac; /* current font mode */
	132	enum htmltype type; /* output media type */
	133	int oflags; /* output options */
	134	#define HTML_FRAGMENT (1 << 0) /* don't emit HTML/HEAD/BODY */
	135	};
	136
	137	void print_gen_decls(struct html *);
	138	void print_gen_head(struct html *);
	139	struct tag print_otag(struct html , enum htmltag,
	140	int, const struct htmlpair *);
	141	void print_tagq(struct html , const struct tag );
	142	void print_stagq(struct html , const struct tag );
	143	void print_text(struct html , const char );
	144	void print_tblclose(struct html *);
	145	void print_tbl(struct html , const struct tbl_span );
	146	void print_eqn(struct html , const struct eqn );
	147
	148	void bufcat_fmt(struct html , const char , ...);
	149	void bufcat(struct html , const char );
	150	void bufcat_id(struct html , const char );
	151	void bufcat_style(struct html *,
	152	const char , const char );
	153	void bufcat_su(struct html , const char ,
	154	const struct roffsu *);
	155	void bufinit(struct html *);
	156	void buffmt_man(struct html *,
	157	const char , const char );
	158	void buffmt_includes(struct html , const char );
	159
	160	int html_strlen(const char *);
	161
	162	__END_DECLS
	163
	164	#endif /!HTML_H/