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/* $Id: term.h,v 1.19 2010/05/15 21:09:53 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* 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.
*/
#ifndef TERM_H
#define TERM_H
__BEGIN_DECLS
enum termenc {
TERMENC_ASCII
};
enum termfont {
TERMFONT_NONE = 0,
TERMFONT_BOLD,
TERMFONT_UNDER
};
#define TERM_MAXMARGIN 100000 /* FIXME */
struct termp {
size_t defrmargin; /* Right margin of the device.. */
size_t rmargin; /* Current right margin. */
size_t maxrmargin; /* Max right margin. */
size_t maxcols; /* Max size of buf. */
size_t offset; /* Margin offest. */
size_t tabwidth; /* Distance of tab positions. */
size_t col; /* Bytes in buf. */
size_t viscol; /* Chars on current line. */
int overstep; /* See termp_flushln(). */
int flags;
#define TERMP_SENTENCE (1 << 1) /* Space before a sentence. */
#define TERMP_NOSPACE (1 << 2) /* No space before words. */
#define TERMP_NOLPAD (1 << 3) /* See term_flushln(). */
#define TERMP_NOBREAK (1 << 4) /* See term_flushln(). */
#define TERMP_IGNDELIM (1 << 6) /* Delims like regulars. */
#define TERMP_NONOSPACE (1 << 7) /* No space (no autounset). */
#define TERMP_DANGLE (1 << 8) /* See term_flushln(). */
#define TERMP_HANG (1 << 9) /* See term_flushln(). */
#define TERMP_TWOSPACE (1 << 10) /* See term_flushln(). */
#define TERMP_NOSPLIT (1 << 11) /* See termp_an_pre/post(). */
#define TERMP_SPLIT (1 << 12) /* See termp_an_pre/post(). */
#define TERMP_ANPREC (1 << 13) /* See termp_an_pre(). */
char *buf; /* Output buffer. */
enum termenc enc; /* Type of encoding. */
void *symtab; /* Encoded-symbol table. */
enum termfont fontl; /* Last font set. */
enum termfont fontq[10]; /* Symmetric fonts. */
int fonti; /* Index of font stack. */
};
void term_newln(struct termp *);
void term_vspace(struct termp *);
void term_word(struct termp *, const char *);
void term_flushln(struct termp *);
size_t term_hspan(const struct roffsu *);
size_t term_vspan(const struct roffsu *);
enum termfont term_fonttop(struct termp *);
const void *term_fontq(struct termp *);
void term_fontpush(struct termp *, enum termfont);
void term_fontpop(struct termp *);
void term_fontpopq(struct termp *, const void *);
void term_fontrepl(struct termp *, enum termfont);
void term_fontlast(struct termp *);
__END_DECLS
#endif /*!TERM_H*/
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