C++ ConstIndexedIOPtr::entryIds方法代码示例

		void load( IECore::Object::LoadContextPtr context )
		{
			unsigned int v = g_ioVersion;
			ConstIndexedIOPtr container = context->container( staticTypeName(), v );

			ConstIndexedIOPtr shaders = container->subdirectory( "shaders" );
			IndexedIO::EntryIDList handles;
			shaders->entryIds( handles, IndexedIO::Directory );
			for( const auto &handle : handles )
			{
				ShaderPtr shader = context->load<Shader>( shaders.get(), handle );
				setShader( handle, shader.get() );
			}

			ConstIndexedIOPtr connections = container->subdirectory( "connections" );
			IndexedIO::EntryIDList connectionIndices;
			for( const auto &connectionIndex : connectionIndices )
			{
				InternedString c[4];
				InternedString *cp = c;
				connections->read( connectionIndex, cp, 4 );
				addConnection(
					Connection( Parameter( cp[0], cp[1] ), Parameter( cp[2], cp[3] ) )
				);
			}

			InternedString o[2];
			InternedString *op = o;
			container->read( "output", op, 2 );
			m_output = Parameter( op[0], op[1] );
		}

void Primitive::load( IECore::Object::LoadContextPtr context )
{
    unsigned int v = m_ioVersion;
    ConstIndexedIOPtr container = context->container( staticTypeName(), v );

    // we changed the inheritance hierarchy at io version 1
    if( v==0 )
    {
        Renderable::load( context );
    }
    else
    {
        VisibleRenderable::load( context );
    }

    ConstIndexedIOPtr ioVariables = container->subdirectory( g_variablesEntry );

    variables.clear();
    IndexedIO::EntryIDList names;
    ioVariables->entryIds( names, IndexedIO::Directory );
    IndexedIO::EntryIDList::const_iterator it;
    for( it=names.begin(); it!=names.end(); it++ )
    {
        ConstIndexedIOPtr ioPrimVar = ioVariables->subdirectory( *it );
        int i;
        ioPrimVar->read( g_interpolationEntry, i );
        variables.insert(
            PrimitiveVariableMap::value_type( *it, PrimitiveVariable( (PrimitiveVariable::Interpolation)i, context->load<Data>( ioPrimVar.get(), g_dataEntry ) ) )
        );
    }
}

void CompoundDataBase::load( LoadContextPtr context )
{
	Data::load( context );
	unsigned int v = 0;
	ConstIndexedIOPtr container = nullptr;

	try
	{
		container = context->container( staticTypeName(), v );
	}
	catch( const IOException &e )
	{
		// probably a file with CORTEX_MAJOR_VERSION < 5, get the
		// data from CompoundData container instead.
		container = context->container( "CompoundData", v );
	}

	CompoundDataMap &m = writable();
	m.clear();
	container = container->subdirectory( g_membersEntry );

	IndexedIO::EntryIDList memberNames;
	container->entryIds( memberNames );
	IndexedIO::EntryIDList::const_iterator it;
	for( it=memberNames.begin(); it!=memberNames.end(); it++ )
	{
		m[*it] = context->load<Data>( container.get(), *it );
	}
}

void MotionPrimitive::load( IECore::Object::LoadContextPtr context )
{
	VisibleRenderable::load( context );
	unsigned int v = m_ioVersion;
	ConstIndexedIOPtr container = context->container( staticTypeName(), v );
	ConstIndexedIOPtr snapshots = container->subdirectory( g_snapshotsEntry );
	m_snapshots.clear();
	IndexedIO::EntryIDList names;
	snapshots->entryIds( names, IndexedIO::Directory );
	IndexedIO::EntryIDList::const_iterator it;
	for( it=names.begin(); it!=names.end(); it++ )
	{
		ConstIndexedIOPtr snapshot = snapshots->subdirectory( *it );
		float t; 
		snapshot->read( g_timeEntry, t );
		m_snapshots[t] = context->load<Primitive>( snapshot, g_primitiveEntry );
	}
}

void MatrixMotionTransform::load( LoadContextPtr context )
{
	Transform::load( context );
	unsigned int v = m_ioVersion;

	ConstIndexedIOPtr container = context->container( staticTypeName(), v );
	container = container->subdirectory( g_snapshotsEntry );
	m_snapshots.clear();
	IndexedIO::EntryIDList names;
	container->entryIds( names, IndexedIO::Directory );
	IndexedIO::EntryIDList::const_iterator it;
	for( it=names.begin(); it!=names.end(); it++ )
	{
		ConstIndexedIOPtr snapshotContainer = container->subdirectory( *it );
		float t; snapshotContainer->read( g_timeEntry, t );
		M44f m;
		float *f = m.getValue();
		snapshotContainer->read( g_matrixEntry, f, 16 );
		m_snapshots[t] = m;
	}
}

void ObjectVector::load( LoadContextPtr context )
{
	Object::load( context );
	unsigned int v = m_ioVersion;
	ConstIndexedIOPtr container = context->container( staticTypeName(), v );

	unsigned int size = 0;
	container->read( g_sizeEntry, size );

	m_members.resize( size );
	std::fill( m_members.begin(), m_members.end(), (IECore::Object*)0 );

	ConstIndexedIOPtr ioMembers = container->subdirectory( g_membersEntry );

	IndexedIO::EntryIDList l;
	ioMembers->entryIds(l);
	for( IndexedIO::EntryIDList::const_iterator it=l.begin(); it!=l.end(); it++ )
	{
		MemberContainer::size_type i = boost::lexical_cast<MemberContainer::size_type>( (*it).value() );
		m_members[i] = context->load<Object>( ioMembers, *it );
	}
}