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