fbunion.h

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#ifndef __FBUNION_H__
#define __FBUNION_H__
/**************************************************************************
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 All Rights Reserved.
 
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 material (collectively the "Data") in these files contain unpublished 
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 protected by Canada and United States of America federal copyright law 
 and by international treaties.
 
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 ("Autodesk").
 
 THE DATA IS PROVIDED "AS IS" AND WITHOUT WARRANTY.
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 WARRANTY OF ANY KIND WITH RESPECT TO THE DATA, EXPRESS, IMPLIED OR 
 ARISING BY CUSTOM OR TRADE USAGE, AND DISCLAIMS ANY IMPLIED WARRANTIES 
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#include <kaydaradef.h>
#ifndef FBSDK_DLL 

    #define FBSDK_DLL K_DLLIMPORT
#endif

#include <fbsdk/fbcomponent.h>
#include <fbsdk/fbcore.h>

class KUnion;

#ifdef FBSDKUseNamespace
    namespace FBSDKNamespace {
#endif

#ifndef DOXYGEN_SHOULD_SKIP_THIS

__FB_FORWARD(FBLogger);
__FB_FORWARD(FBVisitor);

// FBUnion

class FBSDK_DLL FBUnion  {
public:
    FBUnion(KUnion *pValue = NULL);

    FBUnion(FBUnion const &pValue);

    FBUnion &operator = (FBUnion const &pValue);

    ~FBUnion();


    static FBUnion DumpObject (FBPlug const &pObject, int pDepth = 1);

    /* Visit - get the values contained from a FBUnion.
    *  First create a FBVisitor by inheritance and override each function.
    *  Call Visit with your visitor to have the values from the Union pushed to the Visitor.
    *  Each overridden operator () of your visitor will retrieve a value of a different type.
    *  See FBVisitor for details.
    */
    void Visit(FBVisitor &pVisitor) const;

    void Trace(int pDepth = 20) const;

private:

    KUnion *mValue;
};



class FBSDK_DLL FBVisitor 
{
public:
    virtual void operator () ()    = 0;

    virtual void operator () (int &pVal)    = 0;

    virtual void operator () (long long &pVal)    = 0;

    virtual void operator () (unsigned long long &pVal)    = 0;

    virtual void operator () (double &pVal)   = 0;

    virtual void operator () (float &pVal)   = 0;

    virtual void operator () (bool &pVal)     = 0;

    virtual void operator () (FBTime const &pVal) = 0;

    virtual void operator () (const char *pVal) = 0;

    virtual void operator () (HdlFBPlug const &pVal) = 0;

    virtual void operator () (FBVector2d const &pVal) = 0;

    virtual void operator () (FBVector3d const &pVal) = 0;

    virtual void operator () (FBVector4d const &pVal) = 0;

    virtual void BeginMap() = 0;

    virtual void operator () (const char *pName, FBUnion const &pVal) = 0;

    virtual void EndMap() = 0;

    virtual void BeginArray() = 0;

    virtual void operator () (int pIndex, FBUnion const &pVal) = 0;

    virtual void EndArray() = 0;

    virtual ~FBVisitor() { }
};

#endif // DOXYGEN_SHOULD_SKIP_THIS

#ifdef FBSDKUseNamespace
    }
#endif

#endif /* __FBUNION_H__ */