binary_o_stream.cpp

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/** @file
 *  @author Bram de Greve (bram@cocamware.com)
 *  @author Tom De Muer (tom@cocamware.com)
 *
 *  *** BEGIN LICENSE INFORMATION ***
 *  
 *  The contents of this file are subject to the Common Public Attribution License 
 *  Version 1.0 (the "License"); you may not use this file except in compliance with 
 *  the License. You may obtain a copy of the License at 
 *  http://lass.sourceforge.net/cpal-license. The License is based on the 
 *  Mozilla Public License Version 1.1 but Sections 14 and 15 have been added to cover 
 *  use of software over a computer network and provide for limited attribution for 
 *  the Original Developer. In addition, Exhibit A has been modified to be consistent 
 *  with Exhibit B.
 *  
 *  Software distributed under the License is distributed on an "AS IS" basis, WITHOUT 
 *  WARRANTY OF ANY KIND, either express or implied. See the License for the specific 
 *  language governing rights and limitations under the License.
 *  
 *  The Original Code is LASS - Library of Assembled Shared Sources.
 *  
 *  The Initial Developer of the Original Code is Bram de Greve and Tom De Muer.
 *  The Original Developer is the Initial Developer.
 *  
 *  All portions of the code written by the Initial Developer are:
 *  Copyright (C) 2004-2011 the Initial Developer.
 *  All Rights Reserved.
 *  
 *  Contributor(s):
 *
 *  Alternatively, the contents of this file may be used under the terms of the 
 *  GNU General Public License Version 2 or later (the GPL), in which case the 
 *  provisions of GPL are applicable instead of those above.  If you wish to allow use
 *  of your version of this file only under the terms of the GPL and not to allow 
 *  others to use your version of this file under the CPAL, indicate your decision by 
 *  deleting the provisions above and replace them with the notice and other 
 *  provisions required by the GPL License. If you do not delete the provisions above,
 *  a recipient may use your version of this file under either the CPAL or the GPL.
 *  
 *  *** END LICENSE INFORMATION ***
 */
 
#include "lass_common.h"
#include "binary_o_stream.h"
#include "../num/num_cast.h"
#include <string.h>
 
// static_cast from pointer to TintPtr gives warning on MSVC, yet both are identical in size [Bramz]
// 
#if LASS_COMPILER_TYPE == LASS_COMPILER_TYPE_MSVC
#   pragma warning(disable: 4311) // 'reinterpret_cast' : 'reinterpret_cast' : pointer truncation from 'const void *' to 'lass::num::TintPtr'
#endif
 
namespace lass
{
namespace io
{
 
// --- public --------------------------------------------------------------------------------------
 
BinaryOStream::BinaryOStream():
    BinaryStreamBase()
{
}
 
 
 
BinaryOStream::~BinaryOStream()
{
}
 
 
 
BinaryOStream::pos_type BinaryOStream::tellp() const
{
    return doTellp();
}
 
 
 
BinaryOStream& BinaryOStream::seekp(pos_type position)
{
    doSeekp(position);
    return *this;
}
 
 
 
BinaryOStream& BinaryOStream::seekp(off_type offset, std::ios_base::seekdir direction)
{
    doSeekp(offset, direction);
    return *this;
}
 
 
 
void BinaryOStream::flush()
{
    doFlush();
}
 
 
#if !defined(LASS_HAVE_STDINT_H_INT8_T_IS_CHAR)
 
BinaryOStream& BinaryOStream::operator<<( char x )
{
    return writeValue(x);
}
 
#endif
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tint8 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tuint8 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tint16 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tuint16 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tint32 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tuint32 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tint64 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tuint64 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tfloat32 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<( num::Tfloat64 x )
{
    return writeValue(x);
}
 
 
 
BinaryOStream& BinaryOStream::operator<<(bool x)
{
    return *this << (x ? num::Tuint8(1) : num::Tuint8(0));
}
 
 
 
BinaryOStream& BinaryOStream::operator<<(const void* x)
{
    static_assert(sizeof(num::TintPtr) == sizeof(const void*), "TintPtr must have same size as pointers");
    static_assert(sizeof(num::TintPtr) <= sizeof(num::Tint64), "TintPtr must not be wider than 64-bits");
    return *this << static_cast<num::Tint64>(reinterpret_cast<num::TintPtr>(x));
}
 
 
 
BinaryOStream& BinaryOStream::operator<<(const char* x)
{
    return writeString(x, ::strlen(x));
}
 
 
 
BinaryOStream& BinaryOStream::operator<<(const std::string& x)
{
    return writeString(x.data(), x.length());
}
 
 
 
#if LASS_HAVE_WCHAR_SUPPORT
 
BinaryOStream& BinaryOStream::operator<<(const wchar_t* x)
{
    std::string utf8;
    util::wcharToUtf8(x, ::wcslen(x), utf8);
    return writeString(utf8.data(), utf8.length());
}
 
 
 
BinaryOStream& BinaryOStream::operator<<(const std::wstring& x)
{
    std::string utf8;
    util::wcharToUtf8(x.data(), x.length(), utf8);
    return writeString(utf8.data(), utf8.length());
}
 
#endif
 
 
 
/** write a buffer of bytes to the stream
 *  @param bytes pointer to buffer.
 *  @param numBytes length of buffer in bytes.
 */
size_t BinaryOStream::write(const void* bytes, size_t numBytes)
{
    return doWrite(bytes, numBytes);
}
 
// --- private -------------------------------------------------------------------------------------
 
template <typename T>
BinaryOStream& BinaryOStream::writeValue(T x)
{
    const T temp = num::fixEndianness(x, endianness());
    doWrite(&temp, sizeof(T));
    return *this;
}
 
 
 
BinaryOStream& BinaryOStream::writeString(const char* string, size_t length)
{
    static_assert(sizeof(size_t) <= sizeof(num::Tuint64), "size_t must not be wider than 64-bit");
    *this << static_cast<num::Tuint64>(length);
    doWrite(string, length);
    return *this;
}
 
}
 
}