=================================================================== RCS file: /cvs/mandoc/term.h,v retrieving revision 1.26 retrieving revision 1.75 diff -u -p -r1.26 -r1.75 --- mandoc/term.h 2009/03/17 13:35:46 1.26 +++ mandoc/term.h 2010/07/25 11:44:31 1.75 @@ -1,97 +1,146 @@ -/* $Id: term.h,v 1.26 2009/03/17 13:35:46 kristaps Exp $ */ +/* $Id: term.h,v 1.75 2010/07/25 11:44:31 kristaps Exp $ */ /* - * Copyright (c) 2008 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 copyright notice and this permission notice appear in all - * copies. + * 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. + * 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 -#include "mdoc.h" +__BEGIN_DECLS -/* XXX - clean up tabs. */ +struct termp; -#define INDENT 6 +enum termenc { + TERMENC_ASCII +}; -__BEGIN_DECLS +enum termtype { + TERMTYPE_CHAR, + TERMTYPE_PS, + TERMTYPE_PDF +}; -struct termp { - size_t rmargin; - size_t maxrmargin; - size_t maxcols; - size_t offset; - size_t col; - int iflags; -#define TERMP_NOPUNT (1 << 0) - int flags; -#define TERMP_NOSPACE (1 << 0) /* No space before words. */ -#define TERMP_NOLPAD (1 << 1) /* No leftpad before flush. */ -#define TERMP_NOBREAK (1 << 2) /* No break after flush. */ -#define TERMP_LITERAL (1 << 3) /* Literal words. */ -#define TERMP_IGNDELIM (1 << 4) /* Delims like regulars. */ -#define TERMP_NONOSPACE (1 << 5) /* No space (no autounset). */ -#define TERMP_NONOBREAK (1 << 7) /* Don't newln NOBREAK. */ -#define TERMP_STYLE 0x0300 /* Style mask. */ -#define TERMP_BOLD (1 << 8) /* Styles... */ -#define TERMP_UNDER (1 << 9) - char *buf; - void *symtab; +enum termfont { + TERMFONT_NONE = 0, + TERMFONT_BOLD, + TERMFONT_UNDER, + TERMFONT__MAX }; -/* XXX - clean this up. */ +#define TERM_MAXMARGIN 100000 /* FIXME */ -struct termpair { - struct termpair *ppair; - int type; -#define TERMPAIR_FLAG (1 << 0) - int flag; - size_t offset; - size_t rmargin; - int count; +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; }; -#define TERMPAIR_SETFLAG(termp, p, fl) \ - do { \ - assert(! (TERMPAIR_FLAG & (p)->type)); \ - (termp)->flags |= (fl); \ - (p)->flag = (fl); \ - (p)->type |= TERMPAIR_FLAG; \ - } while (0) - -struct termact { - int (*pre)(struct termp *, struct termpair *, - const struct mdoc_meta *, - const struct mdoc_node *); - void (*post)(struct termp *, struct termpair *, - const struct mdoc_meta *, - const struct mdoc_node *); +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_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(). */ +#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; }; -void *ascii2htab(void); -const char *a2ascii(void *, const char *, size_t, size_t *); -void 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 *); -void newln(struct termp *); -void vspace(struct termp *); -void word(struct termp *, const char *); -void flushln(struct termp *); -void transcode(struct termp *, const char *, size_t); -void subtree(struct termp *, const struct mdoc_meta *, - const struct mdoc_node *); +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); -const struct termact *termacts; +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