Method addDataChild

src/IECore/StreamIndexedIO.cpp:1433–1485

}

void StreamIndexedIO::Node::addDataChild(
	const IndexedIO::EntryID &childName,
	IndexedIO::DataType dataType,
	size_t arrayLen,
	size_t offset,
	size_t size,
	size_t decompressedSize,
	size_t numCompressedBlocks
)
{
	if ( m_node->subindex() )
	{
		throw Exception( "Cannot modify the file at current location! It was already committed to the file." );
	}

	if ( hasChild(childName) )
	{
		throw IOException( "StreamIndexedIO: Could not insert node '" + childName.value() + "' into index" );
	}

	m_idx->m_stringCache.add( childName );

	// SmallDataNodes should not be compressed.
	if( arrayLen <= SmallDataNode::maxArrayLength && size <= SmallDataNode::maxSize && ( size == decompressedSize ) && (numCompressedBlocks == 0) )
	{
		SmallDataNode* child = new SmallDataNode(childName, dataType, arrayLen, size, offset);
		if ( !child )
		{
			throw Exception( "Failed to allocate node!" );
		}
		m_node->registerChild( child );
	}
	else
	{
		if( numCompressedBlocks > std::numeric_limits<unsigned short>::max() )
		{
			throw IECore::Exception(
				boost::str(
					boost::format( "StreamIndexedIO::Node::addDataChild - Unable to store file with more than %1% compressed blocks " ) %
						std::numeric_limits<unsigned short>::max()
				)
			);
		}

		DataNode *child = new DataNode( childName, dataType, arrayLen, size, offset, decompressedSize, numCompressedBlocks );
		if ( !child )
		{
			throw Exception( "Failed to allocate node!" );
		}
		m_node->registerChild( child );
	}
	m_idx->m_hasChanged = true;
}

const IndexedIO::EntryID &StreamIndexedIO::Node::name() const
{