/* $OpenBSD: html.h,v 1.35 2016/07/19 13:30:16 schwarze Exp $ */ /* * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ enum htmltag { TAG_HTML, TAG_HEAD, TAG_BODY, TAG_META, TAG_TITLE, TAG_DIV, TAG_H1, TAG_H2, TAG_SPAN, TAG_LINK, TAG_BR, TAG_A, TAG_TABLE, TAG_TBODY, TAG_COL, TAG_TR, TAG_TD, TAG_LI, TAG_UL, TAG_OL, TAG_DL, TAG_DT, TAG_DD, TAG_BLOCKQUOTE, TAG_PRE, TAG_B, TAG_I, TAG_CODE, TAG_SMALL, TAG_STYLE, TAG_MATH, TAG_MROW, TAG_MI, TAG_MO, TAG_MSUP, TAG_MSUB, TAG_MSUBSUP, TAG_MFRAC, TAG_MSQRT, TAG_MFENCED, TAG_MTABLE, TAG_MTR, TAG_MTD, TAG_MUNDEROVER, TAG_MUNDER, TAG_MOVER, TAG_MAX }; enum htmlattr { ATTR_NAME, ATTR_REL, ATTR_HREF, ATTR_TYPE, ATTR_MEDIA, ATTR_CLASS, ATTR_STYLE, ATTR_ID, ATTR_COLSPAN, ATTR_CHARSET, ATTR_OPEN, ATTR_CLOSE, ATTR_MATHVARIANT, ATTR_MAX }; enum htmlfont { HTMLFONT_NONE = 0, HTMLFONT_BOLD, HTMLFONT_ITALIC, HTMLFONT_BI, HTMLFONT_MAX }; struct tag { struct tag *next; enum htmltag tag; }; struct tagq { struct tag *head; }; struct htmlpair { enum htmlattr key; const char *val; }; #define PAIR_INIT(p, t, v) \ do { \ (p)->key = (t); \ (p)->val = (v); \ } while (/* CONSTCOND */ 0) #define PAIR_ID_INIT(p, v) PAIR_INIT(p, ATTR_ID, v) #define PAIR_CLASS_INIT(p, v) PAIR_INIT(p, ATTR_CLASS, v) #define PAIR_HREF_INIT(p, v) PAIR_INIT(p, ATTR_HREF, v) #define PAIR_STYLE_INIT(p, h) PAIR_INIT(p, ATTR_STYLE, (h)->buf) struct html { int flags; #define HTML_NOSPACE (1 << 0) /* suppress next space */ #define HTML_IGNDELIM (1 << 1) #define HTML_KEEP (1 << 2) #define HTML_PREKEEP (1 << 3) #define HTML_NONOSPACE (1 << 4) /* never add spaces */ #define HTML_LITERAL (1 << 5) /* literal (e.g.,
) context */
#define	HTML_SKIPCHAR	 (1 << 6) /* skip the next character */
#define	HTML_NOSPLIT	 (1 << 7) /* do not break line before .An */
#define	HTML_SPLIT	 (1 << 8) /* break line before .An */
#define	HTML_NONEWLINE	 (1 << 9) /* No line break in nofill mode. */
	struct tagq	  tags; /* stack of open tags */
	struct rofftbl	  tbl; /* current table */
	struct tag	 *tblt; /* current open table scope */
	char		 *base_man; /* base for manpage href */
	char		 *base_includes; /* base for include href */
	char		 *style; /* style-sheet URI */
	char		  buf[BUFSIZ]; /* see bufcat and friends */
	size_t		  buflen;
	struct tag	 *metaf; /* current open font scope */
	enum htmlfont	  metal; /* last used font */
	enum htmlfont	  metac; /* current font mode */
	int		  oflags; /* output options */
#define	HTML_FRAGMENT	 (1 << 0) /* don't emit HTML/HEAD/BODY */
};


struct	tbl_span;
struct	eqn;

void		  print_gen_decls(struct html *);
void		  print_gen_head(struct html *);
struct tag	 *print_otag(struct html *, enum htmltag,
				int, const struct htmlpair *);
void		  print_tagq(struct html *, const struct tag *);
void		  print_stagq(struct html *, const struct tag *);
void		  print_text(struct html *, const char *);
void		  print_tblclose(struct html *);
void		  print_tbl(struct html *, const struct tbl_span *);
void		  print_eqn(struct html *, const struct eqn *);
void		  print_paragraph(struct html *);

void		  bufcat_fmt(struct html *, const char *, ...)
			__attribute__((__format__ (printf, 2, 3)));
void		  bufcat(struct html *, const char *);
void		  bufcat_id(struct html *, const char *);
void		  bufcat_style(struct html *,
			const char *, const char *);
void		  bufcat_su(struct html *, const char *,
			const struct roffsu *);
void		  bufinit(struct html *);
void		  buffmt_man(struct html *,
			const char *, const char *);
void		  buffmt_includes(struct html *, const char *);

int		  html_strlen(const char *);