=================================================================== RCS file: /cvs/mandoc/term.h,v retrieving revision 1.57 retrieving revision 1.75 diff -u -p -r1.57 -r1.75 --- mandoc/term.h 2010/05/24 21:51:20 1.57 +++ mandoc/term.h 2010/07/25 11:44:31 1.75 @@ -1,6 +1,6 @@ -/* $Id: term.h,v 1.57 2010/05/24 21:51:20 schwarze Exp $ */ +/* $Id: term.h,v 1.75 2010/07/25 11:44:31 kristaps Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -19,19 +19,58 @@ __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; + size_t pdflastpg; + size_t pdfbody; +}; + 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. */ @@ -54,21 +93,46 @@ struct termp { #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 *);