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63 lines
1.7 KiB
JavaScript
Executable File
63 lines
1.7 KiB
JavaScript
Executable File
/**
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* This class creates GraphML xml.
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*
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*/
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function GraphMLCreater(nodes, arcs, ignoreNodes = {})
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{
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this.nodes = nodes;
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this.arcs = arcs;
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this.ignoreNodes = ignoreNodes;
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}
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GraphMLCreater.prototype.GetXMLString = function()
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{
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var mainHeader = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><graphml>";
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var directedHeader = "<graph id=\"Graph\" edgedefault=\"directed\">";
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var undirectedHeader = "<graph id=\"Graph\" edgedefault=\"undirected\">";
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var defaultWeight = 1.0;
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var weightKeyId = "\"d0\"";
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var weightNode = "<key id="+ weightKeyId + " for=\"node\" attr.name=\"weight\" attr.type=\"double\">" +
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"<default>" + defaultWeight + "</default>" +
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"</key>";
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var xmlBoby = "";
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for (var i = 0; i < this.nodes.length; i++)
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{
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if (!this.ignoreNodes.hasOwnProperty(this.nodes[i].id))
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xmlBoby = xmlBoby + "<node id=\"" + this.nodes[i].id + "\"/>";
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}
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var hasDirected = false;
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for (var i = 0; i < this.arcs.length; i++)
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{
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if (this.arcs[i].isDirect)
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{
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hasDirected = true;
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break;
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}
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}
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for (var i = 0; i < this.arcs.length; i++)
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{
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var weightData = "";
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var arc = this.arcs[i];
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if (this.arcs[i].weight != defaultWeight)
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{
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weightData = "<data key=" + weightKeyId + ">" + arc.weight + "</data>";
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}
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xmlBoby = xmlBoby + "<edge source=\"" + arc.vertex1.id + "\" target=\""
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+ arc.vertex2.id + "\" " +
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(arc.isDirect != hasDirected ? (hasDirected ? "directed=\"false\"" : "directed=\"true\"") : "") +
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" id=\"" + arc.id + "\"";
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xmlBoby = xmlBoby + ((weightData != "") ? ">" + weightData + "</edge>" : "/>")
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}
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xml = mainHeader + weightNode + (hasDirected ? directedHeader : undirectedHeader) + xmlBoby + "</graph></graphml>"
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return xml;
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}
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