80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
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Copyright (C) 2013 Birunthan Mohanathas
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef RM_COMMON_STRINGUTIL_H_
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#define RM_COMMON_STRINGUTIL_H_
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#include <Windows.h>
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#include <algorithm>
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#include <locale>
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#include <string>
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/*
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** Helper class for case insensitive find function.
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*/
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template<typename CharT>
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struct Is_Equal
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{
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Is_Equal(const std::locale& loc) : locale(loc) { }
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bool operator()(CharT ch1, CharT ch2) { return std::toupper(ch1, locale) == std::toupper(ch2, locale); }
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private:
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const std::locale& locale;
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};
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namespace StringUtil {
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std::string Narrow(const WCHAR* str, int strLen = -1, int cp = CP_ACP);
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inline std::string Narrow(const std::wstring& str, int cp = CP_ACP) { return Narrow(str.c_str(), (int)str.length(), cp); }
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inline std::string NarrowUTF8(const WCHAR* str, int strLen = -1) { return Narrow(str, strLen, CP_UTF8); }
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inline std::string NarrowUTF8(const std::wstring& str) { return Narrow(str.c_str(), (int)str.length(), CP_UTF8); }
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std::wstring Widen(const char* str, int strLen = -1, int cp = CP_ACP);
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inline std::wstring Widen(const std::string& str, int cp = CP_ACP) { return Widen(str.c_str(), (int)str.length(), cp); }
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inline std::wstring WidenUTF8(const char* str, int strLen = -1) { return Widen(str, strLen, CP_UTF8); }
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inline std::wstring WidenUTF8(const std::string& str) { return Widen(str.c_str(), (int)str.length(), CP_UTF8); }
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void EscapeRegExp(std::wstring& str);
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void EncodeUrl(std::wstring& str);
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/*
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** Case insensitive find function for std::string and std::wstring.
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**
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** Modified from http://stackoverflow.com/questions/3152241/case-insensitive-stdstring-find#3152296
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*/
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template<typename T>
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std::size_t CaseInsensitiveFind(const T& str1, const T& str2, const std::locale& loc = std::locale())
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{
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T::const_iterator iter = std::search(str1.begin(), str1.end(),
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str2.begin(), str2.end(), Is_Equal<T::value_type>(loc));
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if (iter != str1.end())
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{
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return (iter - str1.begin());
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}
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return -1; // not found
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}
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} // namespace StringUtil
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#endif
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