ImplHCF.h

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#pragma once

#include "ChunkRepr.h"
#include "AttributeRepr.h"

#include "swCommonLib/HierarchicalChunkedFormat/Chunk.h"
#include "swCommonLib/HierarchicalChunkedFormat/Attribute.h"

#include "swCommonLib/HierarchicalChunkedFormat/Headers/FileHeader.h"

#include "swCommonLib/System/Path.h"


#include <stdio.h>



namespace sw
{

class ImplHCF
{
    FRIEND_CLASS_TESTER( HCF );
    FRIEND_CLASS_TESTER( ImplHCF );
private:

    FileHeader          m_header;

    ChunkReprPtr        m_rootChunk;            
    AttributeReprPtr    m_fileAttributes;       

    // File related things.
    FILE*               m_file;
    Size                m_writePtr;

public:

    bool                m_directWrite           : 1;
    bool                m_attributesWritten     : 1;
    bool                m_fileReadOnly          : 1;

protected:
public:
    explicit        ImplHCF     ();
                    ~ImplHCF    ();


    Chunk           GetRootChunk    ();
    Chunk           CreateRootChunk ();

    bool            OpenFile        ( const filesystem::Path& filePath, bool writeDirect );
    bool            WriteFile       ( const filesystem::Path& filePath );
    bool            LoadFile        ( const filesystem::Path& filePath, bool readOnly );

    Attribute       AddGlobalAttribute  ( AttributeType type, const DataPtr data, Size dataSize );
    Attribute       AddAttribute        ( AttributeReprPtr& list, AttributeType type, const DataPtr data, Size dataSize );

public:
    // Internal implementation
    Size            ComputeWholeSize    ( Attribute attrib );

    Size            ReserveMemory       ( Size dataSize );
    FILE*           GetFile             ()                  { return m_file; }

    bool            CanAddGlobalAttrib  () const;
};


}   // sw