예제 #1
0
bool GraphMLParser::readData(
	GraphAttributes &GA,
	const node &v, const XmlTagObject &nodeData)
{
	XmlAttributeObject *keyId;
	nodeData.findXmlAttributeObjectByName("key", keyId);

	if(keyId == NULL) {
		cerr << "ERROR: Node data does not have a key.\n";
		return false;
	}

	const long attrs = GA.attributes();
	std::stringstream value(nodeData.getValue());

	switch (graphml::toAttribute(m_attrName[keyId->getValue()])) {
	case graphml::a_nodeLabel:
		if(attrs & GraphAttributes::nodeLabel) {
			value >> GA.label(v);
		}
		break;
	case graphml::a_x:
		if(attrs & GraphAttributes::nodeGraphics) {
			value >> GA.x(v);
		}
예제 #2
0
파일: GexfParser.cpp 프로젝트: lncosie/ogdf
bool Parser::readNodes(Graph &G, GraphAttributes *GA)
{
	List<XmlTagObject *> nodeTags;
	m_nodesTag->findSonXmlTagObjectByName("node", nodeTags);

	for(XmlTagObject *obj : nodeTags) {
		const XmlTagObject &nodeTag = *obj;

		XmlAttributeObject *idAttr;
		nodeTag.findXmlAttributeObjectByName("id", idAttr);
		if(!idAttr) {
			OGDF_ERROR("node is missing an attribute "
			          << "(line " << nodeTag.getLine() << ").");
			return false;
		}

		const node v = G.newNode();
		m_nodeId[idAttr->getValue()] = v;

		if(GA) {
			readAttributes(*GA, v, nodeTag);
		}
	}

	return true;
}
예제 #3
0
파일: GexfParser.cpp 프로젝트: lncosie/ogdf
bool Parser::readCluster(
	Graph &G, ClusterGraph &C, ClusterGraphAttributes *CA, cluster rootCluster,
	const XmlTagObject &rootTag)
{
	List<XmlTagObject *> nodeTags;
	rootTag.findSonXmlTagObjectByName("node", nodeTags);

	for(XmlTagObject *obj : nodeTags) {
		const XmlTagObject &nodeTag = *obj;

		XmlAttributeObject *idAttr;
		nodeTag.findXmlAttributeObjectByName("id", idAttr);
		if(!idAttr) {
			OGDF_ERROR("node is missing an attribute "
			          << "(line " << nodeTag.getLine() << ").");
		}

		// Node is a cluster iff it contains other nodes.
		XmlTagObject *nodesTag;
		nodeTag.findSonXmlTagObjectByName("nodes", nodesTag);
		if(nodesTag) {
			// Node tag found, therefore it is a cluster.
			const cluster c = C.newCluster(rootCluster);
			m_clusterId[idAttr->getValue()] = c;

			if(!readCluster(G, C, CA, c, *nodesTag)) {
				return false;
			}
		} else {
			// Node tag not found, therefore it is "normal" node.
			const node v = G.newNode();
			C.reassignNode(v, rootCluster);
			m_nodeId[idAttr->getValue()] = v;

			if(CA) {
				readAttributes(*CA, v, nodeTag);
			}
		}
	}

	return true;
}