objclassid.h

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/*
 * Copyright (C) 2007-2025 Global Graphics Software Ltd. All rights reserved.
 */

 
#ifndef EDLOBJECTCLASSID_H
#define EDLOBJECTCLASSID_H
 
#include "edltypes.h"
#include "edlstring.h"
#include "memutils.h"
 
_BEGIN_EDL_NAMESPACE

 
class CClassID
{
public:
    union Data
    {
        uint8 b[16];
        uint32 hv;
        uint32 dw[4];
    } m_ID;
    
    CClassID()
    {
        m_ID.dw[0]=0;
        m_ID.dw[1]=0;
        m_ID.dw[2]=0;
        m_ID.dw[3]=0;
    }
    
    CClassID(const EDLSysString &str)
    {
        for( int i = 0; i < 16; i++ )
        {
            m_ID.b[i] = sxtob( str[i*2] ) * 16;
            m_ID.b[i] += sxtob( str[i*2+1] );
        }
    }
    
    CClassID(const CClassID & other)
    {
        EDLmemcpy(&m_ID, &other.m_ID, sizeof(m_ID));
    }
    
    void operator =(const CClassID & other)
    {
        if (this != &other)
        {
            EDLmemcpy(&m_ID, &other.m_ID, sizeof(m_ID));
        }
    }
 

    CClassID( uint32 dw0, uint32 dw1, uint32 dw2, uint32 dw3)
    {
        m_ID.dw[0]=dw0;
        m_ID.dw[1]=dw1;
        m_ID.dw[2]=dw2;
        m_ID.dw[3]=dw3;
    }
    
    bool equal( const CClassID &id ) const
    {
        if((m_ID.dw[0]==id.m_ID.dw[0]) && 
        (m_ID.dw[1]==id.m_ID.dw[1]) &&
        (m_ID.dw[2]==id.m_ID.dw[2]) && 
        (m_ID.dw[3]==id.m_ID.dw[3])) 
            return true;
        return false;
    }
};

inline bool equal( const CClassID& id1, const CClassID& id2 ) 
{ 
    return id1.equal( id2 ); 
}

inline uint32 hashValue( const CClassID& id ) 
{ 
    return id.m_ID.hv; 
}
 
#define DECLARE_CLASS_ID(class_id) \
    static const CClassID &classID() \
    { \
        static CClassID id(class_id); \
        return id; \
    }
 
#define IMPLEMENT_CLASS_ID(Type) \
    const CClassID &getClassID() const override \
    { \
        return Type::classID(); \
    }
 
_END_EDL_NAMESPACE
 
#endif /* EDLOBJECTCLASSID_H */