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// text.h
/*
* Copyright 2010 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <vector>
#include <string>
#include "mongo/base/disallow_copying.h"
namespace mongo {
class StringSplitter {
public:
/** @param big the 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 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
* string can be converted to sequence of codepoints. However, it doesn't
* guarantee that the codepoints are valid.
*/
bool isValidUTF8(const char *s);
bool isValidUTF8(const std::string& s);
// expect that n contains a base ten number and nothing else after it
// NOTE win version hasn't been tested directly
long long parseLL( const char *n );
#if defined(_WIN32)
std::string toUtf8String(const std::wstring& wide);
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 {
MONGO_DISALLOW_COPYING(WindowsCommandLine);
char** _argv;
char** _envp;
public:
WindowsCommandLine(int argc, wchar_t* argvW[], wchar_t* envpW[]);
~WindowsCommandLine();
char** argv(void) const { return _argv; };
char** envp(void) const { return _envp; };
};
#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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