/***
* This file is based on or incorporates material from the UnitTest++ r30 open source project.
* Microsoft is not the original author of this code but has modified it and is licensing the code under 
* the MIT License. Microsoft reserves all other rights not expressly granted under the MIT License, 
* whether by implication, estoppel or otherwise. 
*
* UnitTest++ r30 
*
* Copyright (c) 2006 Noel Llopis and Charles Nicholson
* Portions Copyright (c) Microsoft Corporation
*
* All Rights Reserved.
*
* MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
* and associated documentation files (the "Software"), to deal in the Software without restriction, 
* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or 
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE 
* AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
***/

#ifndef UNITTEST_MEMORYOUTSTREAM_H
#define UNITTEST_MEMORYOUTSTREAM_H

#include "../config.h"
#include "HelperMacros.h"

#ifdef UNITTEST_MEMORYOUTSTREAM_IS_STD_OSTRINGSTREAM

#include <sstream>

namespace UnitTest
{

class MemoryOutStream : public std::ostringstream
{
public:
    UNITTEST_LINKAGE MemoryOutStream();
    UNITTEST_LINKAGE ~MemoryOutStream();
	UNITTEST_LINKAGE void Clear();
	UNITTEST_LINKAGE char const* GetText() const;

private:
    MemoryOutStream(MemoryOutStream const&);
    void operator =(MemoryOutStream const&);

    mutable std::string m_text;
};

}

#else

#include <cstddef>

namespace UnitTest
{

class UNITTEST_LINKAGE MemoryOutStream
{
public:
    explicit MemoryOutStream(int const size = 256);
    ~MemoryOutStream();

	void Clear();
    char const* GetText() const;

    MemoryOutStream& operator <<(char const* txt);
    MemoryOutStream& operator <<(int n);
    MemoryOutStream& operator <<(long n);
	MemoryOutStream& operator <<(long long n);
    MemoryOutStream& operator <<(unsigned long n);
	MemoryOutStream& operator <<(unsigned long long n);
    MemoryOutStream& operator <<(float f);
    MemoryOutStream& operator <<(double d);
    MemoryOutStream& operator <<(void const* p);
    MemoryOutStream& operator <<(unsigned int s);

    enum { GROW_CHUNK_SIZE = 32 };
    int GetCapacity() const;

private:
    void operator= (MemoryOutStream const&);
    void GrowBuffer(int capacity);

    int m_capacity;
    char* m_buffer;
};

}

#endif

#endif
