1 /* $Id: out.h,v 1.32 2018/06/25 16:54:59 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> 4 * Copyright (c) 2014, 2017 Ingo Schwarze <schwarze@openbsd.org> 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 */ 18 19 enum roffscale { 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) */ 30 SCALE_MAX 31 }; 32 33 struct roffcol { 34 size_t width; /* width of cell */ 35 size_t decimal; /* decimal position in cell */ 36 size_t spacing; /* spacing after the column */ 37 int flags; /* layout flags, see tbl_cell */ 38 }; 39 40 struct roffsu { 41 enum roffscale unit; 42 double scale; 43 }; 44 45 typedef size_t (*tbl_sulen)(const struct roffsu *, void *); 46 typedef size_t (*tbl_strlen)(const char *, void *); 47 typedef size_t (*tbl_len)(size_t, void *); 48 49 struct rofftbl { 50 tbl_sulen sulen; /* calculate scaling unit length */ 51 tbl_strlen slen; /* calculate string length */ 52 tbl_len len; /* produce width of empty space */ 53 struct roffcol *cols; /* master column specifiers */ 54 void *arg; /* passed to sulen, slen, and len */ 55 }; 56 57 #define SCALE_HS_INIT(p, v) \ 58 do { (p)->unit = SCALE_EN; \ 59 (p)->scale = (v); } \ 60 while (/* CONSTCOND */ 0) 61 62 63 struct tbl_span; 64 65 const char *a2roffsu(const char *, struct roffsu *, enum roffscale); 66 void tblcalc(struct rofftbl *tbl, 67 const struct tbl_span *, size_t, size_t); 68