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Code Issues Releases Wiki Activity

Tweak EscapeRegExp()

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This commit is contained in:
Birunthan Mohanathas 2014-01-04 18:50:55 +02:00
parent c31ecbfc83
commit 61cbb81756
1 changed files with 6 additions and 22 deletions
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20
Library/ConfigParser.cpp
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@ -379,33 +379,17 @@ bool ConfigParser::GetSectionVariable(std::wstring& strVariable, std::wstring& s
} }
/* /*
** Used to escape regular expression metacharacters for use in IfMatch ** Escapes reserved PCRE regex metacharacters.
** **
*/ */
void ConfigParser::EscapeRegExp(std::wstring& str) void ConfigParser::EscapeRegExp(std::wstring& str)
{ {
auto replace = [&str](WCHAR reservedChar)
{
size_t start = 0; size_t start = 0;
while ((start = str.find(reservedChar, start)) != std::wstring::npos) while ((start = str.find_first_of(L"\\^$|()[{.+*?", start)) != std::wstring::npos)
{ {
str.insert(start, L"\\"); str.insert(start, L"\\");
start += 2; start += 2;
} }
};
replace(L'\\');
replace(L'^');
replace(L'$');
replace(L'|');
replace(L'(');
replace(L')');
replace(L'[');
replace(L'{');
replace(L'.');
replace(L'+');
replace(L'*');
replace(L'?');
} }
void ConfigParser::ResetMonitorVariables(MeterWindow* meterWindow) void ConfigParser::ResetMonitorVariables(MeterWindow* meterWindow)