69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/* $Id: out.h,v 1.33 2018/08/18 20:18:14 schwarze Exp $ */
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/*
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* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2014, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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enum roffscale {
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SCALE_CM, /* centimeters (c) */
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SCALE_IN, /* inches (i) */
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SCALE_PC, /* pica (P) */
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SCALE_PT, /* points (p) */
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SCALE_EM, /* ems (m) */
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SCALE_MM, /* mini-ems (M) */
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SCALE_EN, /* ens (n) */
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SCALE_BU, /* default horizontal (u) */
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SCALE_VS, /* default vertical (v) */
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SCALE_FS, /* syn. for u (f) */
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SCALE_MAX
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};
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struct roffcol {
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size_t width; /* width of cell */
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size_t nwidth; /* max. width of number in cell */
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size_t decimal; /* decimal position in cell */
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size_t spacing; /* spacing after the column */
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int flags; /* layout flags, see tbl_cell */
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};
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struct roffsu {
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enum roffscale unit;
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double scale;
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};
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typedef size_t (*tbl_sulen)(const struct roffsu *, void *);
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typedef size_t (*tbl_strlen)(const char *, void *);
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typedef size_t (*tbl_len)(size_t, void *);
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struct rofftbl {
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tbl_sulen sulen; /* calculate scaling unit length */
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tbl_strlen slen; /* calculate string length */
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tbl_len len; /* produce width of empty space */
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struct roffcol *cols; /* master column specifiers */
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void *arg; /* passed to sulen, slen, and len */
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};
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#define SCALE_HS_INIT(p, v) \
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do { (p)->unit = SCALE_EN; \
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(p)->scale = (v); } \
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while (/* CONSTCOND */ 0)
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struct tbl_span;
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const char *a2roffsu(const char *, struct roffsu *, enum roffscale);
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void tblcalc(struct rofftbl *tbl,
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const struct tbl_span *, size_t, size_t);
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