OBaseProperty.h

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//-*****************************************************************************
//
// Copyright (c) 2009-2013,
//  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
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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//-*****************************************************************************
 
#ifndef Alembic_Abc_OBaseProperty_h
#define Alembic_Abc_OBaseProperty_h
 
#include <Alembic/Abc/Foundation.h>
#include <Alembic/Abc/Base.h>
#include <Alembic/Abc/Argument.h>
#include <Alembic/Abc/OObject.h>
#include <Alembic/Abc/OArchive.h>
 
namespace Alembic {
namespace Abc {
namespace ALEMBIC_VERSION_NS {
 
//-*****************************************************************************
template <class PROP_PTR>
class OBasePropertyT : public Base
{
public:
    typedef OBasePropertyT<PROP_PTR> this_type;
    typedef OBasePropertyT<PROP_PTR> operator_bool_base_type;
 
protected:
    friend class OCompoundProperty;
 
    //-*************************************************************************
    // CONSTRUCTION, DESTRUCTION, ASSIGNMENT
    //-*************************************************************************

    OBasePropertyT() {}

    OBasePropertyT(

        PROP_PTR iPtr,

        ErrorHandler::Policy iPolicy );

 
public:
    //-*************************************************************************
    // PROPERTY WRITER FUNCTIONALITY
    //-*************************************************************************

    const AbcA::PropertyHeader & getHeader() const;

    const std::string &getName() const
    { return getHeader().getName(); }

    AbcA::PropertyType getPropertyType() const
    { return getHeader().getPropertyType(); }

    bool isScalar() const { return getPropertyType() == AbcA::kScalarProperty; }

    bool isArray() const { return getPropertyType() == AbcA::kArrayProperty; }

    bool isCompound() const { return getPropertyType() ==
            AbcA::kCompoundProperty; }

    bool isSimple() const { return !isCompound(); }

    const AbcA::MetaData &getMetaData() const
    { return getHeader().getMetaData(); }

    const AbcA::DataType &getDataType() const
    { return getHeader().getDataType(); }

    AbcA::TimeSamplingPtr getTimeSampling() const
    { return getHeader().getTimeSampling(); }

    OObject getObject() const;

 
    //-*************************************************************************
    // ABC BASE MECHANISMS
    // These functions are used by Abc to deal with errors, rewrapping,
    // and so on.
    //-*************************************************************************

    PROP_PTR getPtr() const { return m_property; }

    void reset() { m_property.reset(); Base::reset(); }

    bool valid() const
    {
        return ( Base::valid() && m_property );
    }

    ALEMBIC_OPERATOR_BOOL( valid() );
 
protected:
    PROP_PTR m_property;
};
 
//-*****************************************************************************
typedef OBasePropertyT<AbcA::BasePropertyWriterPtr> OBaseProperty;
 
//-*****************************************************************************
// TEMPLATE AND INLINE FUNCTIONS
//-*****************************************************************************
 
//-*****************************************************************************
template <class PROP_PTR>
inline OBasePropertyT<PROP_PTR>::OBasePropertyT
(
    PROP_PTR iPtr,
    ErrorHandler::Policy iPolicy )
  : m_property( iPtr )
{
    getErrorHandler().setPolicy( iPolicy );
}
 
namespace {
 
const AbcA::PropertyHeader g_phd;
 
}
 
//-*****************************************************************************
//-*****************************************************************************
//-*****************************************************************************
template <class PROP_PTR>
const AbcA::PropertyHeader &OBasePropertyT<PROP_PTR>::getHeader() const
{
    ALEMBIC_ABC_SAFE_CALL_BEGIN( "OBaseProperty::getHeader()" );
 
    return m_property->getHeader();
 
    ALEMBIC_ABC_SAFE_CALL_END();
 
    // Not all error handlers throw, so have a default behavior.
    return g_phd;
};
 
//-*****************************************************************************
template <class PROP_PTR>
OObject OBasePropertyT<PROP_PTR>::getObject() const
{
    ALEMBIC_ABC_SAFE_CALL_BEGIN( "OBaseProperty::getObject()" );
 
    return OObject( m_property->getObject(),
                    kWrapExisting,
                    getErrorHandlerPolicy() );
 
    ALEMBIC_ABC_SAFE_CALL_END();
 
    // Not all error handlers throw. Have a default.
    return OObject();
}
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace Abc
} // End namespace Alembic
 
#endif