1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2013,2016 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Thomas E. Dickey 1999-on * 32 ****************************************************************************/ 33 34 #include <curses.priv.h> 35 #include <tic.h> 36 37 MODULE_ID("$Id: name_match.c,v 1.25 2020/02/02 23:34:34 tom Exp $") 38 39 #define FirstName _nc_globals.first_name 40 41 #if NCURSES_USE_TERMCAP && NCURSES_XNAMES 42 static const char * 43 skip_index(const char *name) 44 { 45 if ((_nc_syntax == SYN_TERMCAP) && _nc_user_definable) { 46 const char *bar = strchr(name, '|'); 47 if (bar != 0 && (bar - name) == 2) 48 name = bar + 1; 49 } 50 return name; 51 } 52 #endif 53 54 /* 55 * Get the primary name from the given name list. For terminfo, this is the 56 * first name. For termcap, this may be the second name, if the first one 57 * happens to be two characters. 58 */ 59 NCURSES_EXPORT(char *) 60 _nc_first_name(const char *const sp) 61 { 62 #if NO_LEAKS 63 if (sp == 0) { 64 if (FirstName != 0) { 65 FreeAndNull(FirstName); 66 } 67 } else 68 #endif 69 { 70 if (FirstName == 0) 71 FirstName = typeMalloc(char, MAX_NAME_SIZE + 1); 72 73 if (FirstName != 0) { 74 unsigned n; 75 const char *src = sp; 76 #if NCURSES_USE_TERMCAP && NCURSES_XNAMES 77 src = skip_index(sp); 78 #endif 79 for (n = 0; n < MAX_NAME_SIZE; n++) { 80 if ((FirstName[n] = src[n]) == '\0' 81 || (FirstName[n] == '|')) 82 break; 83 } 84 FirstName[n] = '\0'; 85 } 86 } 87 return (FirstName); 88 } 89 90 /* 91 * Is the given name matched in namelist? 92 */ 93 NCURSES_EXPORT(int) 94 _nc_name_match(const char *const namelst, const char *const name, const char *const delim) 95 { 96 const char *s; 97 98 if ((s = namelst) != 0) { 99 while (*s != '\0') { 100 const char *d, *t; 101 int code, found; 102 103 for (d = name; *d != '\0'; d++) { 104 if (*s != *d) 105 break; 106 s++; 107 } 108 found = FALSE; 109 for (code = TRUE; *s != '\0'; code = FALSE, s++) { 110 for (t = delim; *t != '\0'; t++) { 111 if (*s == *t) { 112 found = TRUE; 113 break; 114 } 115 } 116 if (found) 117 break; 118 } 119 if (code && *d == '\0') 120 return code; 121 if (*s++ == 0) 122 break; 123 } 124 } 125 return FALSE; 126 } 127