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/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
#include "support/StringUtils.h"
namespace antlrcpp {
void replaceAll(std::string& str, std::string const& from, std::string const& to)
{
if (from.empty())
return;
size_t start_pos = 0;
while ((start_pos = str.find(from, start_pos)) != std::string::npos) {
str.replace(start_pos, from.length(), to);
start_pos += to.length(); // In case 'to' contains 'from', like replacing 'x' with 'yx'.
}
}
std::string ws2s(std::wstring const& wstr) {
#ifndef USE_UTF8_INSTEAD_OF_CODECVT
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
std::string narrow = converter.to_bytes(wstr);
#else
std::string narrow;
utf8::utf32to8(wstr.begin(), wstr.end(), std::back_inserter(narrow));
#endif
return narrow;
}
std::wstring s2ws(const std::string &str) {
#ifndef USE_UTF8_INSTEAD_OF_CODECVT
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
std::wstring wide = converter.from_bytes(str);
#else
std::wstring wide;
utf8::utf8to32(str.begin(), str.end(), std::back_inserter(wide));
#endif
return wide;
}
} // namespace antrlcpp
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