-/* $Id: term.h,v 1.52 2010/03/23 12:42:22 kristaps Exp $ */
+/* $Id: term.h,v 1.76 2010/07/25 22:15:07 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 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
__BEGIN_DECLS
+struct termp;
+
enum termenc {
TERMENC_ASCII
};
+enum termtype {
+ TERMTYPE_CHAR,
+ TERMTYPE_PS,
+ TERMTYPE_PDF
+};
+
enum termfont {
TERMFONT_NONE = 0,
TERMFONT_BOLD,
- TERMFONT_UNDER
+ TERMFONT_UNDER,
+ TERMFONT__MAX
+};
+
+#define TERM_MAXMARGIN 100000 /* FIXME */
+
+typedef void (*term_margin)(struct termp *, const void *);
+
+struct termp_ps {
+ int flags;
+#define PS_INLINE (1 << 0) /* we're in a word */
+#define PS_MARGINS (1 << 1) /* we're in the margins */
+#define PS_NEWPAGE (1 << 2) /* new page, no words yet */
+ size_t pscol; /* visible column (AFM units) */
+ size_t psrow; /* visible row (AFM units) */
+ char *psmarg; /* margin buf */
+ size_t psmargsz; /* margin buf size */
+ size_t psmargcur; /* cur index in margin buf */
+ char last; /* character buffer */
+ enum termfont lastf; /* last set font */
+ size_t scale; /* font scaling factor */
+ size_t pages; /* number of pages shown */
+ size_t lineheight; /* line height (AFM units) */
+ size_t top; /* body top (AFM units) */
+ size_t bottom; /* body bottom (AFM units) */
+ size_t height; /* page height (AFM units */
+ size_t width; /* page width (AFM units) */
+ size_t left; /* body left (AFM units) */
+ size_t header; /* header pos (AFM units) */
+ size_t footer; /* footer pos (AFM units) */
+ size_t pdfbytes; /* current output byte */
+ size_t pdflastpg; /* byte of last page mark */
+ size_t pdfbody; /* start of body object */
+ size_t *pdfobjs; /* table of object offsets */
+ size_t pdfobjsz; /* size of pdfobjs */
};
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_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_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(). */
+#define TERMP_KEEP (1 << 14) /* Keep words together. */
+#define TERMP_PREKEEP (1 << 15) /* ...starting with the next one. */
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);
+ size_t (*width)(const struct termp *, char);
+ double (*hspan)(const struct termp *,
+ const struct roffsu *);
+ const void *argf; /* arg for headf/footf */
+ union {
+ struct termp_ps ps;
+ } engine;
};
+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 *);
+size_t term_hspan(const struct termp *,
+ const struct roffsu *);
+size_t term_vspan(const struct termp *,
+ const struct roffsu *);
+size_t term_strlen(const struct termp *, const char *);
+size_t term_len(const struct termp *, size_t);
enum termfont term_fonttop(struct termp *);
const void *term_fontq(struct termp *);
git.ckatri.com / mandoc.git / blobdiff