ICollections.h

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#ifndef Alembic_AbcCollections_ICollections_h
#define Alembic_AbcCollections_ICollections_h

#include <Alembic/Abc/All.h>
#include <Alembic/Util/Export.h>
#include <Alembic/AbcCollection/SchemaInfoDeclarations.h>

namespace Alembic {
namespace AbcCollection {
namespace ALEMBIC_VERSION_NS {

class ALEMBIC_EXPORT ICollectionsSchema 
    : public Abc::ISchema<CollectionsSchemaInfo>
{
public:

    typedef ICollectionsSchema this_type;

    // default constructor creates an empty ICollectionSchema
    ICollectionsSchema() {}

    //! This constructor creates a new collections reader.
    //! The first argument is the parent ICompoundProperty, from which the
    //! error handler policy for is derived.  The second argument is the name
    //! of the ICompoundProperty that contains this schemas properties.  The 
    //! remaining optional arguments can be used to override the
    //! ErrorHandlerPolicy and to specify schema interpretation matching.
    ICollectionsSchema( const ICompoundProperty &iParent,
                        const std::string &iName,
                        const Abc::Argument &iArg0 = Abc::Argument(),
                        const Abc::Argument &iArg1 = Abc::Argument())
    : Abc::ISchema<CollectionsSchemaInfo>( iParent, iName, iArg0, iArg1 )
    {
        init( iArg0, iArg1 );
    }
    
    //! This constructor wraps an existing ICompoundProperty as the collection
    //! reader, and the error handler policy is derived from it.
    //! The  remaining optional arguments can be used to override the
    //! ErrorHandlerPolicy and to specify schema interpretation matching.
    ICollectionsSchema( const ICompoundProperty &iProp,
                        const Abc::Argument &iArg0 = Abc::Argument(),
                        const Abc::Argument &iArg1 = Abc::Argument() )
      : Abc::ISchema<CollectionsSchemaInfo>( iProp, iArg0, iArg1 )
    {
        init( iArg0, iArg1 );
    }

    //! Copy constructor.
    ICollectionsSchema( const ICollectionsSchema& iCopy )
        : Abc::ISchema<CollectionsSchemaInfo>()
    {
        *this = iCopy;
    }

    //! Returns the number of collections that we have
    size_t getNumCollections() { return m_collections.size(); }

    //! Return a collection by index
    Abc::IStringArrayProperty getCollection( size_t i );

    //! Return a collection by name
    Abc::IStringArrayProperty getCollection( const std::string & iName );

    //! Returns the name of a collection at a given index
    std::string getCollectionName( size_t i );

    //! Returns whether this function set is valid.
    bool valid() const
    {
        return ( Abc::ISchema<CollectionsSchemaInfo>::valid() );
    }

protected:
    void init( const Abc::Argument &iArg0,
               const Abc::Argument &iArg1 );

    std::vector< Abc::IStringArrayProperty > m_collections;

};

//! Object declaration
typedef Abc::ISchemaObject<ICollectionsSchema> ICollections;

typedef Util::shared_ptr< ICollections > ICollectionsPtr;

} // End namespace ALEMBIC_VERSION_NS

using namespace ALEMBIC_VERSION_NS;

} // End namespace AbcCollection
} // End namespace Alembic

#endif