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Annotation of mandoc/term.h, Revision 1.92

1.92    ! schwarze    1: /*     $Id: term.h,v 1.91 2012/05/27 18:02:49 schwarze Exp $ */
1.1       kristaps    2: /*
1.87      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.36      kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.36      kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #ifndef TERM_H
                     18: #define TERM_H
                     19:
                     20: __BEGIN_DECLS
                     21:
1.58      kristaps   22: struct termp;
                     23:
1.28      kristaps   24: enum   termenc {
1.84      kristaps   25:        TERMENC_ASCII,
1.85      kristaps   26:        TERMENC_LOCALE,
                     27:        TERMENC_UTF8
1.28      kristaps   28: };
                     29:
1.58      kristaps   30: enum   termtype {
                     31:        TERMTYPE_CHAR,
1.75      kristaps   32:        TERMTYPE_PS,
                     33:        TERMTYPE_PDF
1.58      kristaps   34: };
                     35:
1.51      kristaps   36: enum   termfont {
                     37:        TERMFONT_NONE = 0,
                     38:        TERMFONT_BOLD,
1.68      kristaps   39:        TERMFONT_UNDER,
                     40:        TERMFONT__MAX
1.51      kristaps   41: };
1.53      kristaps   42:
                     43: #define        TERM_MAXMARGIN    100000 /* FIXME */
1.51      kristaps   44:
1.58      kristaps   45: typedef void   (*term_margin)(struct termp *, const void *);
                     46:
1.78      kristaps   47: struct termp_tbl {
                     48:        int               width;        /* width in fixed chars */
                     49:        int               decimal;      /* decimal point position */
                     50: };
                     51:
1.1       kristaps   52: struct termp {
1.58      kristaps   53:        enum termtype     type;
1.79      kristaps   54:        struct rofftbl    tbl;          /* table configuration */
1.90      schwarze   55:        int               mdocstyle;    /* imitate mdoc(7) output */
1.89      schwarze   56:        size_t            defindent;    /* Default indent for text. */
1.78      kristaps   57:        size_t            defrmargin;   /* Right margin of the device. */
1.27      kristaps   58:        size_t            rmargin;      /* Current right margin. */
                     59:        size_t            maxrmargin;   /* Max right margin. */
1.82      kristaps   60:        int               maxcols;      /* Max size of buf. */
1.27      kristaps   61:        size_t            offset;       /* Margin offest. */
1.56      schwarze   62:        size_t            tabwidth;     /* Distance of tab positions. */
1.82      kristaps   63:        int               col;          /* Bytes in buf. */
1.57      schwarze   64:        size_t            viscol;       /* Chars on current line. */
1.52      kristaps   65:        int               overstep;     /* See termp_flushln(). */
1.91      schwarze   66:        int               skipvsp;      /* Vertical space to skip. */
1.1       kristaps   67:        int               flags;
1.54      kristaps   68: #define        TERMP_SENTENCE   (1 << 1)       /* Space before a sentence. */
1.38      kristaps   69: #define        TERMP_NOSPACE    (1 << 2)       /* No space before words. */
1.39      kristaps   70: #define        TERMP_NOBREAK    (1 << 4)       /* See term_flushln(). */
1.38      kristaps   71: #define        TERMP_IGNDELIM   (1 << 6)       /* Delims like regulars. */
                     72: #define        TERMP_NONOSPACE  (1 << 7)       /* No space (no autounset). */
1.39      kristaps   73: #define        TERMP_DANGLE     (1 << 8)       /* See term_flushln(). */
                     74: #define        TERMP_HANG       (1 << 9)       /* See term_flushln(). */
1.41      kristaps   75: #define        TERMP_TWOSPACE   (1 << 10)      /* See term_flushln(). */
1.42      kristaps   76: #define        TERMP_NOSPLIT    (1 << 11)      /* See termp_an_pre/post(). */
                     77: #define        TERMP_SPLIT      (1 << 12)      /* See termp_an_pre/post(). */
                     78: #define        TERMP_ANPREC     (1 << 13)      /* See termp_an_pre(). */
1.66      schwarze   79: #define        TERMP_KEEP       (1 << 14)      /* Keep words together. */
                     80: #define        TERMP_PREKEEP    (1 << 15)      /* ...starting with the next one. */
1.92    ! schwarze   81: #define        TERMP_SKIPCHAR   (1 << 16)      /* Skip the next character. */
1.81      kristaps   82:        int              *buf;          /* Output buffer. */
1.28      kristaps   83:        enum termenc      enc;          /* Type of encoding. */
1.80      kristaps   84:        struct mchars    *symtab;       /* Encoded-symbol table. */
1.51      kristaps   85:        enum termfont     fontl;        /* Last font set. */
                     86:        enum termfont     fontq[10];    /* Symmetric fonts. */
                     87:        int               fonti;        /* Index of font stack. */
1.58      kristaps   88:        term_margin       headf;        /* invoked to print head */
                     89:        term_margin       footf;        /* invoked to print foot */
1.81      kristaps   90:        void            (*letter)(struct termp *, int);
1.60      kristaps   91:        void            (*begin)(struct termp *);
                     92:        void            (*end)(struct termp *);
                     93:        void            (*endline)(struct termp *);
                     94:        void            (*advance)(struct termp *, size_t);
1.81      kristaps   95:        size_t          (*width)(const struct termp *, int);
1.71      kristaps   96:        double          (*hspan)(const struct termp *,
1.70      kristaps   97:                                const struct roffsu *);
1.58      kristaps   98:        const void       *argf;         /* arg for headf/footf */
1.83      kristaps   99:        struct termp_ps  *ps;
1.1       kristaps  100: };
                    101:
1.86      kristaps  102: void             term_eqn(struct termp *, const struct eqn *);
1.77      kristaps  103: void             term_tbl(struct termp *, const struct tbl_span *);
1.59      kristaps  104: void             term_free(struct termp *);
1.29      kristaps  105: void             term_newln(struct termp *);
                    106: void             term_vspace(struct termp *);
                    107: void             term_word(struct termp *, const char *);
                    108: void             term_flushln(struct termp *);
1.58      kristaps  109: void             term_begin(struct termp *, term_margin,
                    110:                        term_margin, const void *);
                    111: void             term_end(struct termp *);
1.1       kristaps  112:
1.65      kristaps  113: size_t           term_hspan(const struct termp *,
                    114:                        const struct roffsu *);
                    115: size_t           term_vspan(const struct termp *,
                    116:                        const struct roffsu *);
                    117: size_t           term_strlen(const struct termp *, const char *);
                    118: size_t           term_len(const struct termp *, size_t);
1.48      kristaps  119:
1.51      kristaps  120: enum termfont    term_fonttop(struct termp *);
                    121: const void      *term_fontq(struct termp *);
                    122: void             term_fontpush(struct termp *, enum termfont);
                    123: void             term_fontpop(struct termp *);
                    124: void             term_fontpopq(struct termp *, const void *);
                    125: void             term_fontrepl(struct termp *, enum termfont);
                    126: void             term_fontlast(struct termp *);
                    127:
1.1       kristaps  128: __END_DECLS
                    129:
                    130: #endif /*!TERM_H*/

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