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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
/* $Core */
#include "inspircd.h"
#include "hashcomp.h"
#include "inspstring.h"
using irc::sockets::MatchCIDR;
/* Rewritten to operate on more effective C++ std::string types
* rather than char* to avoid data copies.
* - Brain
*/
CoreExport bool csmatch(const std::string &str, const std::string &mask)
{
std::string::const_iterator cp, mp;
//unsigned char *cp = NULL, *mp = NULL;
//unsigned char* string = (unsigned char*)str;
//unsigned char* wild = (unsigned char*)mask;
std::string::const_iterator wild = mask.begin();
std::string::const_iterator string = str.begin();
if (mask.empty())
return false;
while ((string != str.end()) && (wild != mask.end()) && (*wild != '*'))
{
if ((*wild != *string) && (*wild != '?'))
return 0;
wild++;
string++;
}
while (string != str.end())
{
if (wild != mask.end() && *wild == '*')
{
if (++wild == mask.end())
return 1;
mp = wild;
cp = string;
if (cp != str.end())
cp++;
}
else
if ((string != str.end() && wild != mask.end()) && ((*wild == *string) || (*wild == '?')))
{
wild++;
string++;
}
else
{
wild = mp;
if (cp == str.end())
cp = str.end();
else
string = cp++;
}
}
while ((wild != mask.end()) && (*wild == '*'))
wild++;
return wild == mask.end();
}
CoreExport bool match(const std::string &str, const std::string &mask)
{
std::string::const_iterator cp, mp;
std::string::const_iterator wild = mask.begin();
std::string::const_iterator string = str.begin();
if (mask.empty())
return false;
while ((string != str.end()) && (wild != mask.end()) && (*wild != '*'))
{
if ((lowermap[(unsigned char)*wild] != lowermap[(unsigned char)*string]) && (*wild != '?'))
return 0;
wild++;
string++;
}
while (string != str.end())
{
if (wild != mask.end() && *wild == '*')
{
if (++wild == mask.end())
return 1;
mp = wild;
cp = string;
if (cp != str.end())
cp++;
}
else
if ((string != str.end() && wild != mask.end()) && ((lowermap[(unsigned char)*wild] == lowermap[(unsigned char)*string]) || (*wild == '?')))
{
wild++;
string++;
}
else
{
wild = mp;
if (cp == str.end())
string = str.end();
else
string = cp++;
}
}
while ((wild != mask.end()) && (*wild == '*'))
wild++;
return wild == mask.end();
}
/* Overloaded function that has the option of using cidr */
CoreExport bool match(const std::string &str, const std::string &mask, bool use_cidr_match)
{
if (use_cidr_match && MatchCIDR(str, mask, true))
return true;
return match(str, mask);
}
CoreExport bool match(bool case_sensitive, const std::string &str, const std::string &mask, bool use_cidr_match)
{
if (use_cidr_match && MatchCIDR(str, mask, true))
return true;
return case_sensitive ? csmatch(str, mask) : match(str, mask);
}
CoreExport bool match(bool case_sensitive, const std::string &str, const std::string &mask)
{
return case_sensitive ? csmatch(str, mask) : match(str, mask);
}
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