static inline bool readVizAttribute(
GraphAttributes &GA,
node v,
const pugi::xml_node tag)
{
const long attrs = GA.attributes();
if(string(tag.name()) == "viz:position") {
if(attrs & GraphAttributes::nodeGraphics) {
pugi::xml_attribute xAttr = tag.attribute("x");
pugi::xml_attribute yAttr = tag.attribute("y");
pugi::xml_attribute zAttr = tag.attribute("z");
if(!xAttr || !yAttr) {
GraphIO::logger.lout() << "Missing \"x\" or \"y\" in position tag." << std::endl;
return false;
}
GA.x(v) = xAttr.as_int();
GA.y(v) = yAttr.as_int();
// z attribute is optional and avaliable only in \a threeD mode
GA.y(v) = yAttr.as_int();
if (zAttr && (attrs & GraphAttributes::threeD)) {
GA.z(v) = zAttr.as_int();
}
}
} else if(string(tag.name()) == "viz:size") {
if(attrs & GraphAttributes::nodeGraphics) {
pugi::xml_attribute valueAttr = tag.attribute("value");
if (!valueAttr) {
GraphIO::logger.lout() << "\"size\" attribute is missing a value." << std::endl;
return false;
}
double size = valueAttr.as_double();
GA.width(v) = size * LayoutStandards::defaultNodeWidth();
GA.height(v) = size * LayoutStandards::defaultNodeHeight();
}
} else if(string(tag.name()) == "viz:shape") {
if(attrs & GraphAttributes::nodeGraphics) {
pugi::xml_attribute valueAttr = tag.attribute("value");
if(!valueAttr) {
GraphIO::logger.lout() << "\"shape\" attribute is missing a value." << std::endl;
return false;
}
GA.shape(v) = toShape(valueAttr.value());
}
} else if(string(tag.name()) == "viz:color") {
if(attrs & GraphAttributes::nodeStyle) {
return readColor(GA.fillColor(v), tag);
}
} else {
GraphIO::logger.lout() << "Incorrect tag: \"" << tag.name() << "\"." << std::endl;
return false;
}
return true;
}
static inline void writeAttributes(
std::ostream &out,
const GraphAttributes &GA, const node &v)
{
const long flags = GA.attributes();
out << "[";
bool separator = false; // Wheter to put separator before attribute.
if(flags & GraphAttributes::nodeId) {
writeAttribute(out, separator, "id", GA.idNode(v));
}
if(flags & GraphAttributes::nodeLabel) {
writeAttribute(out, separator, "label", GA.label(v));
}
if(flags & GraphAttributes::nodeTemplate) {
writeAttribute(out, separator, "comment", GA.templateNode(v));
}
if(flags & GraphAttributes::nodeGraphics) {
writeAttribute(out, separator, "width", GA.width(v));
writeAttribute(out, separator, "height", GA.height(v));
writeAttribute(out, separator, "shape", dot::toString(GA.shape(v)));
out << ", pos=\"" << GA.x(v) << "," << GA.y(v);
if(flags & GraphAttributes::threeD) {
out << "," << GA.z(v);
}
out << "\"";
}
if(flags & GraphAttributes::nodeStyle) {
writeAttribute(out, separator, "color", GA.strokeColor(v));
writeAttribute(out, separator, "fillcolor", GA.fillColor(v));
writeAttribute(out, separator, "stroketype", toString(GA.strokeType(v)));
writeAttribute(out, separator, "strokewidth", GA.strokeWidth(v));
writeAttribute(out, separator, "fillpattern", toString(GA.fillPattern(v)));
}
if(flags & GraphAttributes::nodeType) {
writeAttribute(out, separator, "type", int(GA.type(v)));
}
if(flags & GraphAttributes::nodeWeight) {
writeAttribute(out, separator, "weight", GA.weight(v));
}
out << "]";
}
void addRelations(Graph& G, GraphAttributes& GA) {
List<edge> originalEdges;
G.allEdges(originalEdges);
for (edge& e : originalEdges) {
node s = e->source();
node t = e->target();
node R = G.newNode();
G.newEdge(s, R);
G.newEdge(R, t);
GA.shape(R) = Shape::Rhomb;
G.delEdge(e);
}
}
static inline void writeAttributes(
std::ostream &out,
const GraphAttributes &GA, const node &v)
{
const long flags = GA.attributes();
out << "[";
bool separator = false; // Wheter to put separator before attribute.
if(flags & GraphAttributes::nodeId) {
writeAttribute(out, separator, "id", GA.idNode(v));
}
if(flags & GraphAttributes::nodeLabel) {
writeAttribute(out, separator, "label", GA.label(v));
}
if(flags & GraphAttributes::nodeTemplate) {
writeAttribute(out, separator, "comment", GA.templateNode(v));
}
if(flags & GraphAttributes::nodeGraphics) {
writeAttribute(out, separator, "width", GA.width(v));
writeAttribute(out, separator, "height", GA.height(v));
writeAttribute(out, separator, "shape", dot::toString(GA.shape(v)));
out << ", pos=\"" << GA.x(v) << "," << GA.y(v);
if(flags & GraphAttributes::threeD) {
out << "," << GA.z(v);
}
out << "\"";
}
if(flags & GraphAttributes::nodeStyle) {
writeAttribute(out, separator, "color", GA.strokeColor(v));
writeAttribute(out, separator, "fillcolor", GA.fillColor(v));
}
// NOTE: Node type is weird and (probably) cannot be mapped to DOT.
// NOTE: Node weight is not supported.
out << "]";
}
bool GraphMLParser::readData(
GraphAttributes &GA,
const node &v,
const pugi::xml_node nodeData)
{
pugi::xml_attribute keyId = nodeData.attribute("key");
if (!keyId) {
GraphIO::logger.lout() << "Node data does not have a key." << endl;
return false;
}
const long attrs = GA.attributes();
pugi::xml_text text = nodeData.text();
switch (graphml::toAttribute(m_attrName[keyId.value()])) {
case graphml::a_nodeLabel:
if(attrs & GraphAttributes::nodeLabel) {
GA.label(v) = text.get();
}
break;
case graphml::a_x:
if(attrs & GraphAttributes::nodeGraphics) {
GA.x(v) = text.as_double();
}
break;
case graphml::a_y:
if(attrs & GraphAttributes::nodeGraphics) {
GA.y(v) = text.as_double();;
}
break;
case graphml::a_width:
if(attrs & GraphAttributes::nodeGraphics) {
GA.width(v) = text.as_double();
}
break;
case graphml::a_height:
if(attrs & GraphAttributes::nodeGraphics) {
GA.height(v) = text.as_double();
}
break;
case graphml::a_size:
if(attrs & GraphAttributes::nodeGraphics) {
double size = text.as_double();
// We want to set a new size only if width and height was not set.
if (GA.height(v) == GA.width(v)) {
GA.height(v) = GA.width(v) = size;
}
}
break;
case graphml::a_shape:
if(attrs & GraphAttributes::nodeGraphics) {
GA.shape(v) = graphml::toShape(text.get());
}
break;
case graphml::a_z:
if(attrs & GraphAttributes::threeD) {
GA.z(v) = text.as_double();
}
break;
case graphml::a_r:
if (attrs & GraphAttributes::nodeStyle
&& !GraphIO::setColorValue(text.as_int(), [&](uint8_t val) { GA.fillColor(v).red(val); })) {
return false;
}
break;
case graphml::a_g:
if(attrs & GraphAttributes::nodeStyle
&& !GraphIO::setColorValue(text.as_int(), [&](uint8_t val) { GA.fillColor(v).green(val); })) {
return false;
}
break;
case graphml::a_b:
if(attrs & GraphAttributes::nodeStyle
&& !GraphIO::setColorValue(text.as_int(), [&](uint8_t val) { GA.fillColor(v).blue(val); })) {
return false;
}
break;
case graphml::a_nodeFill:
if(attrs & GraphAttributes::nodeStyle) {
GA.fillColor(v) = text.get();
}
break;
case graphml::a_nodeStroke:
if(attrs & GraphAttributes::nodeStyle) {
GA.strokeColor(v) = text.get();
}
break;
case graphml::a_nodeType:
if(attrs & GraphAttributes::nodeType) {
GA.type(v) = graphml::toNodeType(text.get());
}
break;
case graphml::a_template:
if(attrs & GraphAttributes::nodeTemplate) {
GA.templateNode(v) = text.get();
}
break;
case graphml::a_nodeWeight:
if(attrs & GraphAttributes::nodeWeight) {
GA.weight(v) = text.as_int();
}
break;
default:
GraphIO::logger.lout(Logger::LL_MINOR) << "Unknown node attribute: \"" << keyId.value() << "\"." << endl;
}
return true;
}
static void write_ogml_layout_nodes_edges(const GraphAttributes &A, ostream &os)
{
const Graph &G = A.constGraph();
if (A.has(GraphAttributes::nodeGraphics | GraphAttributes::nodeStyle))
{
for(node v : G.nodes) {
GraphIO::indent(os,4) << "<nodeStyle idRef=\"n" << v->index() << "\">\n";
if(A.has(GraphAttributes::nodeGraphics)) {
GraphIO::indent(os,5) << "<location x=\"" << A.x(v)-0.5*A.width(v) << "\" y=\""<< A.y(v)-0.5*A.height(v) << "\" />\n";
GraphIO::indent(os,5) << "<shape type=\"";
switch (A.shape(v)) {
case shRect:
os << "rect";
break;
case shRoundedRect:
os << "roundedRect";
break;
case shEllipse:
os << "ellipse";
break;
case shTriangle:
os << "triangle";
break;
case shPentagon:
os << "pentagon";
break;
case shHexagon:
os << "hexagon";
break;
case shOctagon:
os << "octagon";
break;
case shRhomb:
os << "rhomb";
break;
case shTrapeze:
os << "trapeze";
break;
case shParallelogram:
os << "parallelogram";
break;
case shInvTriangle:
os << "invTriangle";
break;
case shInvTrapeze:
os << "invTrapeze";
break;
case shInvParallelogram:
os << "invParallelogram";
break;
case shImage:
os << "image";
break;
}
os << "\" width=\"" << A.width(v) << "\" height=\"" << A.height(v) << "\" />\n";
}
if(A.has(GraphAttributes::nodeStyle)) {
// fill-tag
GraphIO::indent(os,5) << "<fill";
// color-attribute of fill-tag
os << " color=\"" << A.fillColor(v) << "\"";
// pattern- and patternColor-attribute of fill-tag (closing)
os << " pattern=\"" << fillPatternToOGML(A.fillPattern(v)) << "\" patternColor=\"" << A.fillBgColor(v) << "\" />\n";
// line-tag
GraphIO::indent(os,5) << "<line type=\"" << edgeStyleToOGML(A.strokeType(v)) << "\" width=\"" << A.strokeWidth(v) << "\""
<< " color=\"" << A.strokeColor(v) << "\"";
// closing fill-tag
os << " />\n";
}
GraphIO::indent(os,4) << "</nodeStyle>\n";
}
}
if (A.has(GraphAttributes::edgeGraphics | GraphAttributes::edgeStyle))
{
int pointId = 0;
for(edge e : G.edges) {
GraphIO::indent(os,4) << "<edgeStyle idRef=\"e" << e->index() << "\">\n";
if(A.has(GraphAttributes::edgeStyle)) {
GraphIO::indent(os,5) << "<line ";
if (A.has(GraphAttributes::edgeStyle)) {
os << "type=\"" << edgeStyleToOGML(A.strokeType(e)) << "\" width=\"" << A.strokeWidth(e) << "\" ";
os << "color=\"" << A.strokeColor(e) << "\" />\n";
} else {
os << " />\n";
}
}
// TODO review the handling of edge arrows
if(A.has(GraphAttributes::edgeArrow))
{
switch(A.arrowType(e)) {
case eaNone:
GraphIO::indent(os,5) << "<sourceStyle type=\"none\" color=\"#000000\" size=\"1\" />\n";
GraphIO::indent(os,5) << "<targetStyle type=\"none\" color=\"#000000\" size=\"1\" />\n";
break;
case eaLast:
GraphIO::indent(os,5) << "<sourceStyle type=\"none\" color=\"#000000\" size=\"1\" />\n";
GraphIO::indent(os,5) << "<targetStyle type=\"arrow\" color=\"#000000\" size=\"1\" />\n";
break;
case eaFirst:
GraphIO::indent(os,5) << "<sourceStyle type=\"arrow\" color=\"#000000\" size=\"1\" />\n";
GraphIO::indent(os,5) << "<targetStyle type=\"none\" color=\"#000000\" size=\"1\" />\n";
break;
case eaBoth:
GraphIO::indent(os,5) << "<sourceStyle type=\"arrow\" color=\"#000000\" size=\"1\" />\n";
GraphIO::indent(os,5) << "<targetStyle type=\"arrow\" color=\"#000000\" size=\"1\" />\n";
break;
case eaUndefined:
// do nothing
break;
default:
// do nothing
break;
}
}
// handling of points
// TODO: Revise for new OGML specification
const DPolyline &dpl = A.bends(e);
if (!dpl.empty()) {
// handle source
node v = e->source();
if(dpl.front().m_x < A.x(v) - A.width(v)/2 ||
dpl.front().m_x > A.x(v) + A.width(v)/2 ||
dpl.front().m_y < A.y(v) - A.height(v)/2 ||
dpl.front().m_y > A.y(v) + A.height(v)/2) {
GraphIO::indent(os,5) << "<point id=\"p" << pointId++ << "\" x=\"" << A.x(e->source()) << "\" y=\"" << A.y(e->source()) << "\" />\n";
}
// handle points
for(const DPoint &dp : dpl) {
GraphIO::indent(os,5) << "<point id=\"p" << pointId++ << "\" x=\"" << dp.m_x << "\" y=\"" << dp.m_y << "\" />\n";
}
// handle target
v = e->target();
if(dpl.back().m_x < A.x(v) - A.width(v)/2 ||
dpl.back().m_x > A.x(v) + A.width(v)/2 ||
dpl.back().m_y < A.y(v) - A.height(v)/2 ||
dpl.back().m_y > A.y(v) + A.height(v)/2) {
GraphIO::indent(os,5) << "<point id=\"p" << pointId++ << "\" x=\"" << A.x(e->target()) << "\" y=\"" << A.y(e->target()) << "\" />\n";
}
}
GraphIO::indent(os,4) << "</edgeStyle>\n";
}
}
}
static inline void writeAttributes(
std::ostream &out, int depth,
const GraphAttributes &GA, node v)
{
const long attrs = GA.attributes();
if(attrs & GraphAttributes::nodeGraphics) {
const double z = (attrs & GraphAttributes::threeD) ? GA.z(v) : 0.0;
GraphIO::indent(out, depth) << "<viz:position "
<< "x=\"" << GA.x(v) << "\" "
<< "y=\"" << GA.y(v) << "\" "
<< "z=\"" << z << "\" "
<< "/>\n";
// TODO: size is a scale here, so we have to know average size first.
// const double size = std::max(GA.width(v), GA.height(v));
// GraphIO::indent(out, depth) << "<viz:size "
// << "value=\"" << size << "\" "
// << "/>\n";
const Shape shape = GA.shape(v);
GraphIO::indent(out, depth) << "<viz:shape "
<< "value=\"" << toString(shape) << "\" "
<< "/>\n";
}
if(attrs & GraphAttributes::nodeStyle) {
const Color &color = GA.fillColor(v);
const int red = color.red();
const int green = color.green();
const int blue = color.blue();
const int alpha = color.alpha();
GraphIO::indent(out, depth) << "<viz:color "
<< "red=\"" << red << "\" "
<< "green=\"" << green << "\" "
<< "blue=\"" << blue << "\" "
<< "alpha=\"" << alpha << "\" "
<< "/>\n";
}
/*
* Node type, template and weight are not supported by VIZ module. So, they
* need to be written using <attvalues> tag (for estetic reasons, we write
* them only if either of them is present). For convenience reasons, we use
* the same names and values as in GraphML format.
*/
if(!(attrs & (GraphAttributes::nodeType |
GraphAttributes::nodeTemplate |
GraphAttributes::nodeWeight))) {
return;
}
GraphIO::indent(out, depth) << "<attvalues>\n";
if(attrs & GraphAttributes::nodeType) {
writeAttValue(
out, depth + 1,
graphml::a_nodeType, graphml::toString(GA.type(v)));
}
if(attrs & GraphAttributes::nodeTemplate) {
writeAttValue(out, depth + 1, graphml::a_template, GA.templateNode(v));
}
if(attrs & GraphAttributes::nodeWeight) {
writeAttValue(out, depth + 1, graphml::a_nodeWeight, GA.weight(v));
}
GraphIO::indent(out, depth) << "</attvalues>\n";
}
bool GmlParser::read(Graph &G, GraphAttributes &AG)
{
OGDF_ASSERT(&G == &(AG.constGraph()))
G.clear();
int minId = m_mapToNode.low();
int maxId = m_mapToNode.high();
int notDefined = minId-1; //indicates not defined id key
HashArray<string,Shape> strToShape(shRect);
strToShape["rectangle"] = shRect;
strToShape["rect"] = shRect;
strToShape["roundedRect"] = shRoundedRect;
strToShape["oval"] = shEllipse;
strToShape["ellipse"] = shEllipse;
strToShape["triangle"] = shTriangle;
strToShape["pentagon"] = shPentagon;
strToShape["hexagon"] = shHexagon;
strToShape["octagon"] = shOctagon;
strToShape["rhomb"] = shRhomb;
strToShape["trapeze"] = shTrapeze;
strToShape["parallelogram"] = shParallelogram;
strToShape["invTriangle"] = shInvTriangle;
strToShape["invTrapeze"] = shInvTrapeze;
strToShape["invParallelogram"] = shInvParallelogram;
strToShape["image"] = shImage;
DPolyline bends;
GmlObject *son = m_graphObject->m_pFirstSon;
for(; son; son = son->m_pBrother) {
switch(id(son)) {
case nodePredefKey: {
if (son->m_valueType != gmlListBegin) break;
// set attributes to default values
int vId = notDefined;
double x = 0, y = 0, w = 0, h = 0;
string label;
string templ;
string fill; // the fill color attribute
string line; // the line color attribute
string shape; //the shape type
float lineWidth = 1.0f; //node line width
int pattern = 1; //node brush pattern
int stipple = 1; //line style pattern
int weight = 0; // node weight
// read all relevant attributes
GmlObject *nodeSon = son->m_pFirstSon;
for(; nodeSon; nodeSon = nodeSon->m_pBrother) {
switch(id(nodeSon)) {
case idPredefKey:
if(nodeSon->m_valueType != gmlIntValue) break;
vId = nodeSon->m_intValue;
break;
case graphicsPredefKey: {
if (nodeSon->m_valueType != gmlListBegin) break;
GmlObject *graphicsObject = nodeSon->m_pFirstSon;
for(; graphicsObject;
graphicsObject = graphicsObject->m_pBrother)
{
switch(id(graphicsObject)) {
case xPredefKey:
if(graphicsObject->m_valueType != gmlDoubleValue) break;
x = graphicsObject->m_doubleValue;
break;
case yPredefKey:
if(graphicsObject->m_valueType != gmlDoubleValue) break;
y = graphicsObject->m_doubleValue;
break;
case wPredefKey:
if(graphicsObject->m_valueType != gmlDoubleValue) break;
w = graphicsObject->m_doubleValue;
break;
case hPredefKey:
if(graphicsObject->m_valueType != gmlDoubleValue) break;
h = graphicsObject->m_doubleValue;
break;
case fillPredefKey:
if(graphicsObject->m_valueType != gmlStringValue) break;
fill = graphicsObject->m_stringValue;
break;
case linePredefKey:
if(graphicsObject->m_valueType != gmlStringValue) break;
line = graphicsObject->m_stringValue;
break;
case lineWidthPredefKey:
if(graphicsObject->m_valueType != gmlDoubleValue) break;
lineWidth = (float)graphicsObject->m_doubleValue;
break;
case typePredefKey:
if(graphicsObject->m_valueType != gmlStringValue) break;
shape = graphicsObject->m_stringValue;
break;
case patternPredefKey: //fill style
if(graphicsObject->m_valueType != gmlIntValue) break;
pattern = graphicsObject->m_intValue;
case stipplePredefKey: //line style
if(graphicsObject->m_valueType != gmlIntValue) break;
stipple = graphicsObject->m_intValue;
}
}
break; }
case templatePredefKey:
if (nodeSon->m_valueType != gmlStringValue) break;
templ = nodeSon->m_stringValue;
break;
case labelPredefKey:
if (nodeSon->m_valueType != gmlStringValue) break;
label = nodeSon->m_stringValue;
break;
case edgeWeightPredefKey: //sic!
if (nodeSon->m_valueType != gmlIntValue) break;
weight = nodeSon->m_intValue;
break;
}
}
// check if everything required is defined correctly
if (vId == notDefined) {
setError("node id not defined");
return false;
}
// create new node if necessary and assign attributes
if (m_mapToNode[vId] == nullptr) m_mapToNode[vId] = G.newNode();
node v = m_mapToNode[vId];
if (AG.attributes() & GraphAttributes::nodeGraphics)
{
AG.x(v) = x;
AG.y(v) = y;
AG.width (v) = w;
AG.height(v) = h;
AG.shape(v) = strToShape[shape];
}
if (AG.attributes() & GraphAttributes::nodeLabel)
AG.label(m_mapToNode[vId]) = label;
if (AG.attributes() & GraphAttributes::nodeTemplate)
AG.templateNode(m_mapToNode[vId]) = templ;
if (AG.attributes() & GraphAttributes::nodeId)
AG.idNode(m_mapToNode[vId]) = vId;
if (AG.attributes() & GraphAttributes::nodeWeight)
AG.weight(m_mapToNode[vId]) = weight;
if (AG.attributes() & GraphAttributes::nodeStyle)
{
AG.fillColor(m_mapToNode[vId]) = fill;
AG.strokeColor(m_mapToNode[vId]) = line;
AG.setFillPattern(m_mapToNode[vId], intToFillPattern(pattern));
AG.setStrokeType(m_mapToNode[vId], intToStrokeType(stipple));
AG.strokeWidth(m_mapToNode[vId]) = lineWidth;
}
}//node
//Todo: line style set stipple value
break;
case edgePredefKey: {
string arrow; // the arrow type attribute
string fill; //the color fill attribute
int stipple = 1; //the line style
float lineWidth = 1.0f;
double edgeWeight = 1.0;
int subGraph = 0; //edgeSubGraphs attribute
string label; // label attribute
if (son->m_valueType != gmlListBegin) break;
// set attributes to default values
int sourceId = notDefined, targetId = notDefined;
Graph::EdgeType umlType = Graph::association;
// read all relevant attributes
GmlObject *edgeSon = son->m_pFirstSon;
for(; edgeSon; edgeSon = edgeSon->m_pBrother) {
switch(id(edgeSon)) {
case sourcePredefKey:
if (edgeSon->m_valueType != gmlIntValue) break;
sourceId = edgeSon->m_intValue;
break;
case targetPredefKey:
if (edgeSon->m_valueType != gmlIntValue) break;
targetId = edgeSon->m_intValue;
break;
case subGraphPredefKey:
if (edgeSon->m_valueType != gmlIntValue) break;
subGraph = edgeSon->m_intValue;
break;
case labelPredefKey:
if (edgeSon->m_valueType != gmlStringValue) break;
label = edgeSon->m_stringValue;
break;
case graphicsPredefKey: {
if (edgeSon->m_valueType != gmlListBegin) break;
GmlObject *graphicsObject = edgeSon->m_pFirstSon;
for(; graphicsObject;
graphicsObject = graphicsObject->m_pBrother)
{
if(id(graphicsObject) == LinePredefKey &&
graphicsObject->m_valueType == gmlListBegin)
{
readLineAttribute(graphicsObject->m_pFirstSon,bends);
}
if(id(graphicsObject) == arrowPredefKey &&
graphicsObject->m_valueType == gmlStringValue)
arrow = graphicsObject->m_stringValue;
if(id(graphicsObject) == fillPredefKey &&
graphicsObject->m_valueType == gmlStringValue)
fill = graphicsObject->m_stringValue;
if (id(graphicsObject) == stipplePredefKey && //line style
graphicsObject->m_valueType == gmlIntValue)
stipple = graphicsObject->m_intValue;
if (id(graphicsObject) == lineWidthPredefKey && //line width
graphicsObject->m_valueType == gmlDoubleValue)
lineWidth = (float)graphicsObject->m_doubleValue;
if (id(graphicsObject) == edgeWeightPredefKey &&
graphicsObject->m_valueType == gmlDoubleValue)
edgeWeight = graphicsObject->m_doubleValue;
}//for graphics
}
case generalizationPredefKey:
if (edgeSon->m_valueType != gmlIntValue) break;
umlType = (edgeSon->m_intValue == 0) ?
Graph::association : Graph::generalization;
break;
}
}
// check if everything required is defined correctly
if (sourceId == notDefined || targetId == notDefined) {
setError("source or target id not defined");
return false;
} else if (sourceId < minId || maxId < sourceId ||
targetId < minId || maxId < targetId) {
setError("source or target id out of range");
return false;
}
// create adjacent nodes if necessary and new edge
if (m_mapToNode[sourceId] == nullptr) m_mapToNode[sourceId] = G.newNode();
if (m_mapToNode[targetId] == nullptr) m_mapToNode[targetId] = G.newNode();
edge e = G.newEdge(m_mapToNode[sourceId],m_mapToNode[targetId]);
if (AG.attributes() & GraphAttributes::edgeGraphics)
AG.bends(e).conc(bends);
if (AG.attributes() & GraphAttributes::edgeType)
AG.type(e) = umlType;
if(AG.attributes() & GraphAttributes::edgeSubGraphs)
AG.subGraphBits(e) = subGraph;
if (AG.attributes() & GraphAttributes::edgeLabel)
AG.label(e) = label;
if (AG.attributes() & GraphAttributes::edgeArrow) {
if (arrow == "none")
AG.arrowType(e) = eaNone;
else if (arrow == "last")
AG.arrowType(e) = eaLast;
else if (arrow == "first")
AG.arrowType(e) = eaFirst;
else if (arrow == "both")
AG.arrowType(e) = eaBoth;
else
AG.arrowType(e) = eaUndefined;
}
if (AG.attributes() & GraphAttributes::edgeStyle)
{
AG.strokeColor(e) = fill;
AG.setStrokeType(e, intToStrokeType(stipple));
AG.strokeWidth(e) = lineWidth;
}
if (AG.attributes() & GraphAttributes::edgeDoubleWeight)
AG.doubleWeight(e) = edgeWeight;
break; }
case directedPredefKey: {
if(son->m_valueType != gmlIntValue) break;
AG.setDirected(son->m_intValue > 0);
break; }
}
}
return true;
}//read
