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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <string>
#include <vector>
#include "mongo/base/string_data.h"
#include "mongo/config.h"
namespace mongo {
class StringSplitter {
public:
/** @param big the std::string to be split
@param splitter the delimiter
*/
StringSplitter(const char* big, const char* splitter) : _big(big), _splitter(splitter) {}
/** @return true if more to be taken via next() */
bool more() const {
return _big[0] != 0;
}
/** get next split std::string fragment */
std::string next();
void split(std::vector<std::string>& l);
std::vector<std::string> split();
static std::vector<std::string> split(const std::string& big, const std::string& splitter);
static std::string join(const std::vector<std::string>& l, const std::string& split);
private:
const char* _big;
const char* _splitter;
};
/* This doesn't defend against ALL bad UTF8, but it will guarantee that the
* std::string can be converted to sequence of codepoints. However, it doesn't
* guarantee that the codepoints are valid.
*/
bool isValidUTF8(StringData s);
#if defined(_WIN32)
std::string toUtf8String(const std::wstring& wide);
std::wstring toWideStringFromStringData(StringData s);
std::wstring toWideString(const char* s);
bool writeUtf8ToWindowsConsole(const char* utf8String, unsigned int utf8StringSize);
/* like toWideString but UNICODE macro sensitive */
#if !defined(_UNICODE)
#error temp error
inline std::string toNativeString(const char* s) {
return s;
}
#else
inline std::wstring toNativeString(const char* s) {
return toWideString(s);
}
#endif
class WindowsCommandLine {
public:
WindowsCommandLine(int argc, wchar_t** argvW);
~WindowsCommandLine();
char** argv() const;
private:
class Impl;
std::unique_ptr<Impl> _impl;
};
#endif // #if defined(_WIN32)
/**
* Construct a Windows command line string, UTF-8 encoded, from a vector of
* UTF-8 arguments, "argv".
*
* See "Parsing C++ Command-Line Arguments (C++)"
* http://msdn.microsoft.com/en-us/library/windows/desktop/17w5ykft(v=vs.85).aspx
*/
std::string constructUtf8WindowsCommandLine(const std::vector<std::string>& argv);
} // namespace mongo
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