181 lines
4.4 KiB
C
181 lines
4.4 KiB
C
/* $Id: html.h,v 1.70 2014/12/02 10:08:06 schwarze Exp $ */
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/*
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* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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enum htmltag {
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TAG_HTML,
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TAG_HEAD,
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TAG_BODY,
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TAG_META,
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TAG_TITLE,
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TAG_DIV,
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TAG_H1,
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TAG_H2,
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TAG_SPAN,
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TAG_LINK,
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TAG_BR,
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TAG_A,
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TAG_TABLE,
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TAG_TBODY,
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TAG_COL,
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TAG_TR,
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TAG_TD,
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TAG_LI,
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TAG_UL,
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TAG_OL,
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TAG_DL,
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TAG_DT,
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TAG_DD,
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TAG_BLOCKQUOTE,
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TAG_PRE,
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TAG_B,
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TAG_I,
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TAG_CODE,
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TAG_SMALL,
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TAG_STYLE,
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TAG_MATH,
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TAG_MROW,
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TAG_MI,
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TAG_MO,
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TAG_MSUP,
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TAG_MSUB,
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TAG_MSUBSUP,
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TAG_MFRAC,
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TAG_MSQRT,
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TAG_MFENCED,
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TAG_MTABLE,
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TAG_MTR,
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TAG_MTD,
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TAG_MUNDEROVER,
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TAG_MUNDER,
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TAG_MOVER,
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TAG_MAX
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};
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enum htmlattr {
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ATTR_NAME,
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ATTR_REL,
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ATTR_HREF,
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ATTR_TYPE,
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ATTR_MEDIA,
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ATTR_CLASS,
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ATTR_STYLE,
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ATTR_ID,
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ATTR_COLSPAN,
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ATTR_CHARSET,
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ATTR_OPEN,
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ATTR_CLOSE,
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ATTR_MATHVARIANT,
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ATTR_MAX
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};
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enum htmlfont {
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HTMLFONT_NONE = 0,
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HTMLFONT_BOLD,
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HTMLFONT_ITALIC,
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HTMLFONT_BI,
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HTMLFONT_MAX
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};
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struct tag {
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struct tag *next;
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enum htmltag tag;
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};
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struct tagq {
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struct tag *head;
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};
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struct htmlpair {
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enum htmlattr key;
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const char *val;
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};
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#define PAIR_INIT(p, t, v) \
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do { \
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(p)->key = (t); \
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(p)->val = (v); \
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} while (/* CONSTCOND */ 0)
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#define PAIR_ID_INIT(p, v) PAIR_INIT(p, ATTR_ID, v)
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#define PAIR_CLASS_INIT(p, v) PAIR_INIT(p, ATTR_CLASS, v)
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#define PAIR_HREF_INIT(p, v) PAIR_INIT(p, ATTR_HREF, v)
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#define PAIR_STYLE_INIT(p, h) PAIR_INIT(p, ATTR_STYLE, (h)->buf)
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struct html {
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int flags;
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#define HTML_NOSPACE (1 << 0) /* suppress next space */
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#define HTML_IGNDELIM (1 << 1)
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#define HTML_KEEP (1 << 2)
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#define HTML_PREKEEP (1 << 3)
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#define HTML_NONOSPACE (1 << 4) /* never add spaces */
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#define HTML_LITERAL (1 << 5) /* literal (e.g., <PRE>) context */
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#define HTML_SKIPCHAR (1 << 6) /* skip the next character */
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#define HTML_NOSPLIT (1 << 7) /* do not break line before .An */
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#define HTML_SPLIT (1 << 8) /* break line before .An */
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#define HTML_NONEWLINE (1 << 9) /* No line break in nofill mode. */
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struct tagq tags; /* stack of open tags */
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struct rofftbl tbl; /* current table */
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struct tag *tblt; /* current open table scope */
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const struct mchars *symtab; /* character table */
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char *base_man; /* base for manpage href */
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char *base_includes; /* base for include href */
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char *style; /* style-sheet URI */
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char buf[BUFSIZ]; /* see bufcat and friends */
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size_t buflen;
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struct tag *metaf; /* current open font scope */
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enum htmlfont metal; /* last used font */
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enum htmlfont metac; /* current font mode */
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int oflags; /* output options */
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#define HTML_FRAGMENT (1 << 0) /* don't emit HTML/HEAD/BODY */
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};
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__BEGIN_DECLS
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struct tbl_span;
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struct eqn;
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void print_gen_decls(struct html *);
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void print_gen_head(struct html *);
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struct tag *print_otag(struct html *, enum htmltag,
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int, const struct htmlpair *);
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void print_tagq(struct html *, const struct tag *);
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void print_stagq(struct html *, const struct tag *);
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void print_text(struct html *, const char *);
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void print_tblclose(struct html *);
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void print_tbl(struct html *, const struct tbl_span *);
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void print_eqn(struct html *, const struct eqn *);
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void print_paragraph(struct html *);
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#if __GNUC__ - 0 >= 4
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__attribute__((__format__ (__printf__, 2, 3)))
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#endif
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void bufcat_fmt(struct html *, const char *, ...);
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void bufcat(struct html *, const char *);
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void bufcat_id(struct html *, const char *);
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void bufcat_style(struct html *,
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const char *, const char *);
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void bufcat_su(struct html *, const char *,
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const struct roffsu *);
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void bufinit(struct html *);
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void buffmt_man(struct html *,
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const char *, const char *);
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void buffmt_includes(struct html *, const char *);
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int html_strlen(const char *);
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__END_DECLS
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