OwData.h

//-*****************************************************************************
//
// Copyright (c) 2013,
//  Sony Pictures Imageworks, Inc. and
//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
//
// All rights reserved.
//
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// 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
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//-*****************************************************************************
 
#ifndef Alembic_AbcCoreOgawa_OwData_h
#define Alembic_AbcCoreOgawa_OwData_h
 
#include <Alembic/AbcCoreOgawa/Foundation.h>
#include <Alembic/AbcCoreOgawa/MetaDataMap.h>
 
namespace Alembic {
namespace AbcCoreOgawa {
namespace ALEMBIC_VERSION_NS {
 
//-*****************************************************************************
// Forwards
class CpwData;
 
// data class owned by OwImpl, or AwImpl if it is a "top" object.
// it owns and makes child properties
class OwData : public Alembic::Util::enable_shared_from_this<OwData>
{
public:
    OwData( Ogawa::OGroupPtr iGroup );
 
    ~OwData();
 
    AbcA::CompoundPropertyWriterPtr getProperties(
        AbcA::ObjectWriterPtr iParent );
 
    size_t getNumChildren();
 
    const AbcA::ObjectHeader & getChildHeader( size_t i );
 
    const AbcA::ObjectHeader *
    getChildHeader( const std::string &iName );
 
    AbcA::ObjectWriterPtr getChild( const std::string &iName );
 
    AbcA::ObjectWriterPtr createChild( AbcA::ObjectWriterPtr iParent,
                                       const std::string & iFullName,
                                       const AbcA::ObjectHeader &iHeader );
 
    Ogawa::OGroupPtr getGroup();
 
    void writeHeaders( MetaDataMapPtr iMetaDataMap, Util::SpookyHash & ioHash );
 
    void fillHash( std::size_t iIndex, Util::uint64_t iHash0,
                   Util::uint64_t iHash1 );
 
private:
 
    // The group corresponding to the object
    Ogawa::OGroupPtr m_group;
 
    typedef std::vector<ObjectHeaderPtr> ChildHeaders;
    typedef std::map<std::string,WeakOwPtr> MadeChildren;
 
    // The children
    ChildHeaders m_childHeaders;
    MadeChildren m_madeChildren;
 
    Alembic::Util::weak_ptr< AbcA::CompoundPropertyWriter > m_top;
 
    // Our "top" property
    Alembic::Util::shared_ptr < CpwData > m_data;
 
    // child hashes
    std::vector< Util::uint64_t > m_hashes;
};
 
typedef Alembic::Util::shared_ptr<OwData> OwDataPtr;
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace AbcCoreOgawa
} // End namespace Alembic
 
#endif