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/* $OpenBSD: html.h,v 1.34 2015/11/07 13:57:55 schwarze Exp $ */
/*
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
*
* 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., <PRE>) 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 *, ...);
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 *);
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