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104 lines
2.1 KiB
C++
104 lines
2.1 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#pragma once
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#include "IMemoryReadFile.h"
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#include "IWriteFile.h"
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#include "irrString.h"
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namespace irr
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{
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namespace io
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{
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/*!
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Class for reading from memory.
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*/
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class CMemoryReadFile : public IMemoryReadFile
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{
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public:
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//! Constructor
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CMemoryReadFile(const void* memory, long len, const io::path& fileName, bool deleteMemoryWhenDropped);
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//! Destructor
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virtual ~CMemoryReadFile();
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//! returns how much was read
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size_t read(void* buffer, size_t sizeToRead) override;
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//! changes position in file, returns true if successful
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bool seek(long finalPos, bool relativeMovement = false) override;
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//! returns size of file
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long getSize() const override;
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//! returns where in the file we are.
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long getPos() const override;
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//! returns name of file
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const io::path& getFileName() const override;
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//! Get the type of the class implementing this interface
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EREAD_FILE_TYPE getType() const override
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{
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return ERFT_MEMORY_READ_FILE;
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}
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//! Get direct access to internal buffer
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const void *getBuffer() const override
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{
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return Buffer;
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}
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private:
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const void *Buffer;
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long Len;
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long Pos;
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io::path Filename;
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bool deleteMemoryWhenDropped;
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};
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/*!
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Class for writing to memory.
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*/
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class CMemoryWriteFile : public IWriteFile
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{
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public:
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//! Constructor
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CMemoryWriteFile(void* memory, long len, const io::path& fileName, bool deleteMemoryWhenDropped);
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//! Destructor
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virtual ~CMemoryWriteFile();
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//! returns how much was written
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size_t write(const void* buffer, size_t sizeToWrite) override;
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//! changes position in file, returns true if successful
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bool seek(long finalPos, bool relativeMovement = false) override;
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//! returns where in the file we are.
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long getPos() const override;
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//! returns name of file
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const io::path& getFileName() const override;
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bool flush() override;
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private:
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void *Buffer;
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long Len;
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long Pos;
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io::path Filename;
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bool deleteMemoryWhenDropped;
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};
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} // end namespace io
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} // end namespace irr
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