//-*****************************************************************************

//

// Copyright (c) 2009-2011,

//  Sony Pictures Imageworks, Inc. and

//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.

//

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

// *       Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// *       Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

// *       Neither the name of Sony Pictures Imageworks, nor

// Industrial Light & Magic nor the names of their contributors may be used

// to endorse or promote products derived from this software without specific

// prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

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//

//-*****************************************************************************

#ifndef Alembic_Abc_IScalarProperty_h

#define Alembic_Abc_IScalarProperty_h

#include <Alembic/Util/Export.h>

#include <Alembic/Abc/Foundation.h>

#include <Alembic/Abc/Base.h>

#include <Alembic/Abc/Argument.h>

#include <Alembic/Abc/ISampleSelector.h>

#include <Alembic/Abc/IBaseProperty.h>

#include <Alembic/Abc/ICompoundProperty.h>

namespace Alembic {

namespace Abc {

namespace ALEMBIC_VERSION_NS {

//-*****************************************************************************

class ALEMBIC_EXPORT IScalarProperty

    : public IBasePropertyT<AbcA::ScalarPropertyReaderPtr>

{

public:

    //! By convention we always define this_type in Abc classes

    //! Used by unspecified-bool-type conversion below

    typedef IScalarProperty this_type;

    //-*************************************************************************

    // CONSTRUCTION, DESTRUCTION, ASSIGNMENT

    //-*************************************************************************

    //! The default constructor creates an empty IScalarProperty function set.

    //! ...

    IScalarProperty() : IBasePropertyT<AbcA::ScalarPropertyReaderPtr>() {}

    //! This constructor creates a new scalar property reader.

    //! The first argument is the parent ICompundProperty, from which the error

    //! handler policy for inheritance is also derived.  The remaining optional

    //! arguments can be used to override the ErrorHandlerPolicy, and that's it.

    IScalarProperty( const ICompoundProperty & iParent,

                     const std::string &iName,

                     const Argument &iArg0 = Argument() );

    //! This attaches an IScalarProperty wrapper around an existing

    //! ScalarPropertyReaderPtr, with an optional error handling policy.

    IScalarProperty(

        //! The pointer

        //! ...

        AbcA::ScalarPropertyReaderPtr iPtr,

        //! Optional error handling policy

        //! ...

        const Argument &iArg0 = Argument() )

      : IBasePropertyT<AbcA::ScalarPropertyReaderPtr>( iPtr,

            GetErrorHandlerPolicy( iPtr, iArg0 ) )

    {}

    // Deprecated in favor of the constructor above

    IScalarProperty(

        AbcA::ScalarPropertyReaderPtr iPtr,

        WrapExistingFlag iWrapFlag,

        const Argument &iArg0 = Argument() )

      : IBasePropertyT<AbcA::ScalarPropertyReaderPtr>( iPtr,

            GetErrorHandlerPolicy( iPtr, iArg0 ) )

    {}

    //! Default copy constructor used

    //! Default assignment operator used.

    //! Destructor

    //! ...

    ~IScalarProperty();

    //-*************************************************************************

    // SCALAR PROPERTY READER FUNCTIONALITY

    //-*************************************************************************

    //! Return the number of samples contained in the property.

    //! This can be any number, including zero.

    //! This returns the number of samples that were written, independently

    //! of whether or not they were constant.

    size_t getNumSamples() const;

    //! Ask if we're constant - no change in value amongst samples,

    //! regardless of the time sampling.

    bool isConstant() const;

    //! Time information.

    //! This will be valid regardless of TimeSamplingType or number of samples.

    AbcA::TimeSamplingPtr getTimeSampling() const;

    //! Get a sample into the address of a datum.

    //! ...

    void get( void *oSample,

              const ISampleSelector &iSS = ISampleSelector() ) const;

    //! Return the parent compound property, handily wrapped in a

    //! ICompoundProperty wrapper.

    ICompoundProperty getParent() const;

private:

    void init( AbcA::CompoundPropertyReaderPtr iParentObject,

               const std::string &iName,

               ErrorHandler::Policy iParentPolicy,

               const Argument &iArg0 );

};

} // End namespace ALEMBIC_VERSION_NS

using namespace ALEMBIC_VERSION_NS;

} // End namespace Abc

} // End namespace Alembic

#endif