CprData.h

//-*****************************************************************************
//
// Copyright (c) 2009-2012,
//  Sony Pictures Imageworks Inc. and
//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
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#ifndef Alembic_AbcCoreHDF5_CprData_h
#define Alembic_AbcCoreHDF5_CprData_h
 
#include <Alembic/AbcCoreHDF5/Foundation.h>
#include <Alembic/AbcCoreHDF5/HDF5Hierarchy.h>
 
namespace Alembic {
namespace AbcCoreHDF5 {
namespace ALEMBIC_VERSION_NS {
 
// data class owned by CprImpl, or OrImpl if it is a "top" object
// it owns and makes child properties as well as the group hid_t
// when necessary
class CprData : public Alembic::Util::enable_shared_from_this<CprData>
{
public:
 
    CprData( H5Node & iParentGroup, int32_t iArchiveVersion,
             const std::string &iName );
 
    ~CprData();
 
    size_t getNumProperties();
 
    const AbcA::PropertyHeader &
    getPropertyHeader( AbcA::CompoundPropertyReaderPtr iParent, size_t i );
 
    const AbcA::PropertyHeader *
    getPropertyHeader( AbcA::CompoundPropertyReaderPtr iParent,
                       const std::string &iName );
 
    AbcA::ScalarPropertyReaderPtr
    getScalarProperty( AbcA::CompoundPropertyReaderPtr iParent,
                       const std::string &iName );
 
    AbcA::ArrayPropertyReaderPtr
    getArrayProperty( AbcA::CompoundPropertyReaderPtr iParent,
                      const std::string &iName );
 
    AbcA::CompoundPropertyReaderPtr
    getCompoundProperty( AbcA::CompoundPropertyReaderPtr iParent,
                         const std::string &iName );
 
private:
    // My group.
    H5Node m_group;
 
    // Property Headers and Made Property Pointers.
    struct SubProperty
    {
        PropertyHeaderPtr header;
 
        // extra data that doesn't quite fit into the property header
        // but is stuff we only want to read once
        uint32_t numSamples;
        uint32_t firstChangedIndex;
        uint32_t lastChangedIndex;
        bool isScalarLike;
 
        WeakBprPtr made;
        std::string name;
    };
 
    typedef std::map<std::string, size_t> SubPropertiesMap;
    typedef std::vector<SubProperty> SubPropertyVec;
 
    // Allocated mutexes, one per SubProperty
    Alembic::Util::mutex * m_subPropertyMutexes;
    SubPropertyVec m_propertyHeaders;
    SubPropertiesMap m_subProperties;
};
 
typedef Alembic::Util::shared_ptr<CprData> CprDataPtr;
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace AbcCoreHDF5
} // End namespace Alembic
 
#endif