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Annotation of src/usr.bin/mandoc/term.h, Revision 1.47

1.47    ! schwarze    1: /*     $OpenBSD: term.h,v 1.46 2014/09/03 05:17:08 schwarze Exp $ */
1.1       kristaps    2: /*
1.28      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.42      schwarze    4:  * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.2       schwarze    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.2       schwarze   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   17:  */
                     18: #ifndef TERM_H
                     19: #define TERM_H
                     20:
                     21: __BEGIN_DECLS
                     22:
1.20      schwarze   23: struct termp;
                     24:
1.1       kristaps   25: enum   termenc {
1.30      schwarze   26:        TERMENC_ASCII,
                     27:        TERMENC_LOCALE,
                     28:        TERMENC_UTF8
1.1       kristaps   29: };
                     30:
1.20      schwarze   31: enum   termtype {
                     32:        TERMTYPE_CHAR,
1.26      schwarze   33:        TERMTYPE_PS,
                     34:        TERMTYPE_PDF
1.20      schwarze   35: };
                     36:
1.13      schwarze   37: enum   termfont {
                     38:        TERMFONT_NONE = 0,
                     39:        TERMFONT_BOLD,
1.24      schwarze   40:        TERMFONT_UNDER,
1.37      schwarze   41:        TERMFONT_BI,
1.24      schwarze   42:        TERMFONT__MAX
1.13      schwarze   43: };
1.17      schwarze   44:
                     45: #define        TERM_MAXMARGIN    100000 /* FIXME */
1.13      schwarze   46:
1.20      schwarze   47: typedef void   (*term_margin)(struct termp *, const void *);
                     48:
1.28      schwarze   49: struct termp_tbl {
                     50:        int               width;        /* width in fixed chars */
                     51:        int               decimal;      /* decimal point position */
                     52: };
                     53:
1.1       kristaps   54: struct termp {
1.20      schwarze   55:        enum termtype     type;
1.29      schwarze   56:        struct rofftbl    tbl;          /* table configuration */
1.46      schwarze   57:        int               synopsisonly; /* print the synopsis only */
1.34      schwarze   58:        int               mdocstyle;    /* imitate mdoc(7) output */
1.33      schwarze   59:        size_t            defindent;    /* Default indent for text. */
1.28      schwarze   60:        size_t            defrmargin;   /* Right margin of the device. */
1.42      schwarze   61:        size_t            lastrmargin;  /* Right margin before the last ll. */
1.1       kristaps   62:        size_t            rmargin;      /* Current right margin. */
                     63:        size_t            maxrmargin;   /* Max right margin. */
1.38      schwarze   64:        size_t            maxcols;      /* Max size of buf. */
1.1       kristaps   65:        size_t            offset;       /* Margin offest. */
1.16      schwarze   66:        size_t            tabwidth;     /* Distance of tab positions. */
1.38      schwarze   67:        size_t            col;          /* Bytes in buf. */
1.15      schwarze   68:        size_t            viscol;       /* Chars on current line. */
1.39      schwarze   69:        size_t            trailspace;   /* See termp_flushln(). */
1.14      schwarze   70:        int               overstep;     /* See termp_flushln(). */
1.35      schwarze   71:        int               skipvsp;      /* Vertical space to skip. */
1.1       kristaps   72:        int               flags;
1.18      schwarze   73: #define        TERMP_SENTENCE   (1 << 1)       /* Space before a sentence. */
1.4       schwarze   74: #define        TERMP_NOSPACE    (1 << 2)       /* No space before words. */
1.40      schwarze   75: #define        TERMP_NONOSPACE  (1 << 3)       /* No space (no autounset). */
1.41      schwarze   76: #define        TERMP_NBRWORD    (1 << 4)       /* Make next word nonbreaking. */
1.40      schwarze   77: #define        TERMP_KEEP       (1 << 5)       /* Keep words together. */
                     78: #define        TERMP_PREKEEP    (1 << 6)       /* ...starting with the next one. */
                     79: #define        TERMP_SKIPCHAR   (1 << 7)       /* Skip the next character. */
                     80: #define        TERMP_NOBREAK    (1 << 8)       /* See term_flushln(). */
1.44      schwarze   81: #define        TERMP_BRIND      (1 << 9)       /* See term_flushln(). */
                     82: #define        TERMP_DANGLE     (1 << 10)      /* See term_flushln(). */
                     83: #define        TERMP_HANG       (1 << 11)      /* See term_flushln(). */
1.47    ! schwarze   84: #define        TERMP_NOSPLIT    (1 << 12)      /* Do not break line before .An. */
        !            85: #define        TERMP_SPLIT      (1 << 13)      /* Break line before .An. */
1.30      schwarze   86:        int              *buf;          /* Output buffer. */
1.1       kristaps   87:        enum termenc      enc;          /* Type of encoding. */
1.30      schwarze   88:        struct mchars    *symtab;       /* Encoded-symbol table. */
1.13      schwarze   89:        enum termfont     fontl;        /* Last font set. */
                     90:        enum termfont     fontq[10];    /* Symmetric fonts. */
                     91:        int               fonti;        /* Index of font stack. */
1.20      schwarze   92:        term_margin       headf;        /* invoked to print head */
                     93:        term_margin       footf;        /* invoked to print foot */
1.30      schwarze   94:        void            (*letter)(struct termp *, int);
1.20      schwarze   95:        void            (*begin)(struct termp *);
                     96:        void            (*end)(struct termp *);
                     97:        void            (*endline)(struct termp *);
                     98:        void            (*advance)(struct termp *, size_t);
1.43      schwarze   99:        void            (*setwidth)(struct termp *, int, size_t);
1.30      schwarze  100:        size_t          (*width)(const struct termp *, int);
1.25      schwarze  101:        double          (*hspan)(const struct termp *,
                    102:                                const struct roffsu *);
1.20      schwarze  103:        const void       *argf;         /* arg for headf/footf */
1.30      schwarze  104:        struct termp_ps  *ps;
1.1       kristaps  105: };
                    106:
1.31      schwarze  107: void             term_eqn(struct termp *, const struct eqn *);
1.28      schwarze  108: void             term_tbl(struct termp *, const struct tbl_span *);
1.20      schwarze  109: void             term_free(struct termp *);
1.1       kristaps  110: void             term_newln(struct termp *);
                    111: void             term_vspace(struct termp *);
                    112: void             term_word(struct termp *, const char *);
                    113: void             term_flushln(struct termp *);
1.45      schwarze  114: void             term_begin(struct termp *, term_margin,
1.20      schwarze  115:                        term_margin, const void *);
                    116: void             term_end(struct termp *);
1.12      schwarze  117:
1.43      schwarze  118: void             term_setwidth(struct termp *, const char *);
1.45      schwarze  119: size_t           term_hspan(const struct termp *,
1.22      schwarze  120:                        const struct roffsu *);
                    121: size_t           term_vspan(const struct termp *,
                    122:                        const struct roffsu *);
                    123: size_t           term_strlen(const struct termp *, const char *);
                    124: size_t           term_len(const struct termp *, size_t);
1.13      schwarze  125:
                    126: enum termfont    term_fonttop(struct termp *);
                    127: const void      *term_fontq(struct termp *);
                    128: void             term_fontpush(struct termp *, enum termfont);
                    129: void             term_fontpop(struct termp *);
                    130: void             term_fontpopq(struct termp *, const void *);
                    131: void             term_fontrepl(struct termp *, enum termfont);
                    132: void             term_fontlast(struct termp *);
1.1       kristaps  133:
                    134: __END_DECLS
                    135:
                    136: #endif /*!TERM_H*/