elexis
43137fef3f
Differential Revision: https://code.wildfiregames.com/D716
Refs 09e974e1cb
Reviewed By: bb
Change in agreement with leper.
This was SVN commit r19899.
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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// minimal regex implementation
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#include "precompiled.h"
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int match_wildcard(const wchar_t* s, const wchar_t* w)
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{
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if(!w)
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return 1;
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// saved position in both strings, used to expand '*':
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// s2 is advanced until match.
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// initially 0 - we abort on mismatch before the first '*'.
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const wchar_t* s2 = 0;
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const wchar_t* w2 = 0;
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while(*s)
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{
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const wchar_t wc = *w;
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if(wc == '*')
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{
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// wildcard string ended with * => match.
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if(*++w == '\0')
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return 1;
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w2 = w;
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s2 = s+1;
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}
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// match one character
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else if(towupper(wc) == towupper(*s) || wc == '?')
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{
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w++;
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s++;
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}
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// mismatched character
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else
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{
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// no '*' found yet => mismatch.
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if(!s2)
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return 0;
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// resume at previous position+1
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w = w2;
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s = s2++;
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}
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}
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// strip trailing * in wildcard string
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while(*w == '*')
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w++;
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return (*w == '\0');
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}
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