1 /* 2 * Copyright (c) 2004 Tim J. Robbins. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef CMAP_H 28 #define CMAP_H 29 30 #include <limits.h> 31 #include <stdbool.h> 32 #include <wchar.h> 33 34 struct cmapnode { 35 wint_t cmn_from; 36 wint_t cmn_to; 37 struct cmapnode *cmn_left; 38 struct cmapnode *cmn_right; 39 }; 40 41 struct cmap { 42 #define CM_CACHE_SIZE 128 43 wint_t cm_cache[CM_CACHE_SIZE]; 44 bool cm_havecache; 45 struct cmapnode *cm_root; 46 #define CM_DEF_SELF -2 47 wint_t cm_def; 48 wint_t cm_min; 49 wint_t cm_max; 50 }; 51 52 struct cmap *cmap_alloc(void); 53 bool cmap_add(struct cmap *, wint_t, wint_t); 54 wint_t cmap_lookup_hard(struct cmap *, wint_t); 55 void cmap_cache(struct cmap *); 56 wint_t cmap_default(struct cmap *, wint_t); 57 58 #endif 59