96 lines
2.2 KiB
C++
96 lines
2.2 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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#include "StdAfx.h"
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#include "StringUtil.h"
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namespace StringUtil {
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std::string Narrow(const WCHAR* str, int strLen, int cp)
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{
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std::string narrowStr;
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if (str && *str)
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{
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if (strLen == -1)
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{
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strLen = (int)wcslen(str);
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}
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int bufLen = WideCharToMultiByte(cp, 0, str, strLen, nullptr, 0, nullptr, nullptr);
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if (bufLen > 0)
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{
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narrowStr.resize(bufLen);
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WideCharToMultiByte(cp, 0, str, strLen, &narrowStr[0], bufLen, nullptr, nullptr);
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}
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}
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return narrowStr;
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}
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std::wstring Widen(const char* str, int strLen, int cp)
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{
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std::wstring wideStr;
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if (str && *str)
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{
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if (strLen == -1)
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{
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strLen = (int)strlen(str);
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}
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int bufLen = MultiByteToWideChar(cp, 0, str, strLen, nullptr, 0);
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if (bufLen > 0)
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{
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wideStr.resize(bufLen);
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MultiByteToWideChar(cp, 0, str, strLen, &wideStr[0], bufLen);
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}
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}
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return wideStr;
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}
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/*
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** Escapes reserved PCRE regex metacharacters.
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*/
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void EscapeRegExp(std::wstring& str)
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{
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size_t start = 0;
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while ((start = str.find_first_of(L"\\^$|()[{.+*?", start)) != std::wstring::npos)
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{
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str.insert(start, L"\\");
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start += 2;
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}
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}
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/*
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** Escapes reserved URL characters.
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*/
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void EncodeUrl(std::wstring& str)
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{
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size_t pos = 0;
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while ((pos = str.find_first_of(L" !*'();:@&=+$,/?#[]", pos)) != std::wstring::npos)
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{
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WCHAR buffer[3];
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_snwprintf_s(buffer, _countof(buffer), L"%.2X", str[pos]);
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str[pos] = L'%';
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str.insert(pos + 1, buffer);
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pos += 3;
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}
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}
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} // namespace StringUtil
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