160 lines
5.3 KiB
Objective-C
160 lines
5.3 KiB
Objective-C
/****************************************************************************
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Copyright (c) 2006, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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//------------------------------------------------------------------------------
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/**
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@class IO::BinaryWriter
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A friendly interface for writing binary data to a stream. Optionally
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the writer can use memory mapping for optimal write performance.
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@todo convert endianess!
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*/
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#include "io/streamwriter.h"
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#include "util/blob.h"
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#include "util/guid.h"
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#include "system/byteorder.h"
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#include "math/float2.h"
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#include "math/point.h"
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#include "math/vector.h"
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//------------------------------------------------------------------------------
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namespace IO
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{
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class BinaryWriter : public StreamWriter
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{
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__DeclareClass(BinaryWriter);
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public:
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/// constructor
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BinaryWriter();
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/// destructor
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virtual ~BinaryWriter();
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/// call before Open() to enable memory mapping (if stream supports mapping)
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void SetMemoryMappingEnabled(bool b);
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/// return true if memory mapping is enabled
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bool IsMemoryMappingEnabled() const;
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/// set the stream byte order (default is host byte order)
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void SetStreamByteOrder(System::ByteOrder::Type byteOrder);
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/// get the stream byte order
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System::ByteOrder::Type GetStreamByteOrder() const;
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/// begin reading from the stream
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virtual bool Open();
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/// end reading from the stream
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virtual void Close();
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/// write an 8-bit char to the stream
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void WriteChar(char c);
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/// write an 8-bit unsigned char to the stream
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void WriteUChar(unsigned char c);
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/// write an 16-bit short to the stream
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void WriteShort(short s);
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/// write an 16-bit unsigned short to the stream
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void WriteUShort(unsigned short s);
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/// write an 32-bit int to the stream
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void WriteInt(int i);
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/// write an 32-bit unsigned int to the stream
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void WriteUInt(unsigned int i);
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/// write a float value to the stream
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void WriteFloat(float f);
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/// write a compressed float value to the stream, lossy and needed to be in the range of -1.0 and +1.0
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void WriteFloatAsNormalizedUByte2(float f);
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/// write a compressed float value to the stream, lossy and needed to be in the range of 0.0 and +1.0
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void WriteFloatAsUnsignedNormalizedUByte2(float f);
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/// write a double value to the stream
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void WriteDouble(double d);
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/// write a boolean value to the stream
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void WriteBool(bool b);
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/// write a string to the stream
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void WriteString(const Util::String& s);
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/// write a float value to the stream
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void WriteFloat2(Math::float2 f);
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/// write a float4 to the stream
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void WriteFloat4(const Math::float4& v);
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/// write a float4 to the stream
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void WritePoint(const Math::point& v);
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/// write a float4 to the stream
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void WriteVector(const Math::vector& v);
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/// write a matrix44 to the stream
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void WriteMatrix44(const Math::matrix44& m);
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/// write a guid
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void WriteGuid(const Util::Guid& guid);
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/// write a blob of data
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void WriteBlob(const Util::Blob& blob);
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/// write raw data
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void WriteRawData(const void* ptr, SizeT numBytes);
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public:
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bool enableMapping;
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bool isMapped;
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System::ByteOrder byteOrder;
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unsigned char* mapCursor;
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unsigned char* mapEnd;
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};
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//------------------------------------------------------------------------------
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/**
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*/
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inline
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void
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BinaryWriter::SetMemoryMappingEnabled(bool b)
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{
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this->enableMapping = b;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline
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bool
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BinaryWriter::IsMemoryMappingEnabled() const
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{
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return this->enableMapping;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline void
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BinaryWriter::SetStreamByteOrder(System::ByteOrder::Type order)
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{
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this->byteOrder.SetToByteOrder(order);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline System::ByteOrder::Type
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BinaryWriter::GetStreamByteOrder() const
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{
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return this->byteOrder.GetToByteOrder();
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}
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} // namespace IO
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//------------------------------------------------------------------------------
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