-/* $Id: term.h,v 1.44 2009/08/10 10:09:51 kristaps Exp $ */
+/* $Id: term.h,v 1.63 2010/06/11 16:58:20 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
__BEGIN_DECLS
+struct termp;
+
enum termenc {
- TERMENC_ASCII,
- TERMENC_LATIN1, /* Not implemented. */
- TERMENC_UTF8 /* Not implemented. */
+ TERMENC_ASCII
+};
+
+enum termtype {
+ TERMTYPE_CHAR,
+ TERMTYPE_PS
+};
+
+enum termfont {
+ TERMFONT_NONE = 0,
+ TERMFONT_BOLD,
+ TERMFONT_UNDER
+};
+
+#define TERM_MAXMARGIN 100000 /* FIXME */
+
+typedef void (*term_margin)(struct termp *, const void *);
+
+struct termp_ps {
+ int psstate; /* state of ps output */
+#define PS_INLINE (1 << 0) /* we're in a word */
+#define PS_MARGINS (1 << 1) /* we're in the margins */
+ size_t pscol; /* visible column */
+ size_t psrow; /* visible row */
+ char *psmarg; /* margin buf */
+ size_t psmargsz; /* margin buf size */
+ size_t psmargcur; /* current pos in margin buf */
+ size_t pspage; /* current page */
+ char last; /* character buffer */
+ enum termfont lastf; /* last set font */
};
struct termp {
+ enum termtype type;
+ 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_STYLE 0x3 /* Style mask. */
-#define TERMP_BOLD (1 << 0) /* Styles... */
-#define TERMP_UNDER (1 << 1)
+#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(). */
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. */
+ term_margin headf; /* invoked to print head */
+ term_margin footf; /* invoked to print foot */
+ void (*letter)(struct termp *, char);
+ void (*begin)(struct termp *);
+ void (*end)(struct termp *);
+ void (*endline)(struct termp *);
+ void (*advance)(struct termp *, size_t);
+ const void *argf; /* arg for headf/footf */
+ union {
+ struct termp_ps ps;
+ } engine;
};
-void *term_ascii2htab(void);
-const char *term_a2ascii(void *, const char *, size_t, size_t *);
-const char *term_a2res(void *, const char *, size_t, size_t *);
-void term_asciifree(void *);
-
+struct termp *term_alloc(enum termenc);
+void term_free(struct termp *);
void term_newln(struct termp *);
void term_vspace(struct termp *);
void term_word(struct termp *, const char *);
void term_flushln(struct termp *);
+void term_begin(struct termp *, term_margin,
+ term_margin, const void *);
+void term_end(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