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Annotation of mandoc/out.h, Revision 1.31

1.31    ! schwarze    1: /*     $Id: out.h,v 1.30 2017/06/12 20:14:18 schwarze Exp $ */
1.1       kristaps    2: /*
1.16      schwarze    3:  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.28      schwarze    4:  * Copyright (c) 2014, 2017 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     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.
                     17:  */
1.6       kristaps   18:
1.3       kristaps   19: enum   roffscale {
1.18      kristaps   20:        SCALE_CM, /* centimeters (c) */
                     21:        SCALE_IN, /* inches (i) */
                     22:        SCALE_PC, /* pica (P) */
                     23:        SCALE_PT, /* points (p) */
                     24:        SCALE_EM, /* ems (m) */
                     25:        SCALE_MM, /* mini-ems (M) */
                     26:        SCALE_EN, /* ens (n) */
                     27:        SCALE_BU, /* default horizontal (u) */
                     28:        SCALE_VS, /* default vertical (v) */
                     29:        SCALE_FS, /* syn. for u (f) */
1.3       kristaps   30:        SCALE_MAX
                     31: };
                     32:
1.18      kristaps   33: struct roffcol {
                     34:        size_t           width; /* width of cell */
                     35:        size_t           decimal; /* decimal position in cell */
1.31    ! schwarze   36:        size_t           spacing; /* spacing after the column */
1.24      schwarze   37:        int              flags; /* layout flags, see tbl_cell */
1.18      kristaps   38: };
                     39:
1.3       kristaps   40: struct roffsu {
                     41:        enum roffscale    unit;
1.4       kristaps   42:        double            scale;
1.3       kristaps   43: };
                     44:
1.29      schwarze   45: typedef        size_t  (*tbl_sulen)(const struct roffsu *, void *);
1.18      kristaps   46: typedef        size_t  (*tbl_strlen)(const char *, void *);
                     47: typedef        size_t  (*tbl_len)(size_t, void *);
                     48:
                     49: struct rofftbl {
1.29      schwarze   50:        tbl_sulen        sulen; /* calculate scaling unit length */
1.18      kristaps   51:        tbl_strlen       slen; /* calculate string length */
                     52:        tbl_len          len; /* produce width of empty space */
                     53:        struct roffcol  *cols; /* master column specifiers */
1.29      schwarze   54:        void            *arg; /* passed to sulen, slen, and len */
1.18      kristaps   55: };
                     56:
1.3       kristaps   57: #define        SCALE_VS_INIT(p, v) \
                     58:        do { (p)->unit = SCALE_VS; \
1.12      kristaps   59:             (p)->scale = (v); } \
1.8       kristaps   60:        while (/* CONSTCOND */ 0)
                     61:
1.3       kristaps   62: #define        SCALE_HS_INIT(p, v) \
1.23      schwarze   63:        do { (p)->unit = SCALE_EN; \
1.12      kristaps   64:             (p)->scale = (v); } \
1.8       kristaps   65:        while (/* CONSTCOND */ 0)
1.26      schwarze   66:
                     67:
                     68: struct tbl_span;
1.3       kristaps   69:
1.28      schwarze   70: const char      *a2roffsu(const char *, struct roffsu *, enum roffscale);
1.24      schwarze   71: void             tblcalc(struct rofftbl *tbl,
1.30      schwarze   72:                        const struct tbl_span *, size_t, size_t);

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