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frontend/node_modules/echarts/extension/dataTool/gexf.js

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+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+
+/**
+ * AUTO-GENERATED FILE. DO NOT MODIFY.
+ */
+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+// @ts-nocheck
+/**
+ * This is a parse of GEXF.
+ *
+ * The spec of GEXF:
+ * https://gephi.org/gexf/1.2draft/gexf-12draft-primer.pdf
+ */
+import * as zrUtil from 'zrender/lib/core/util.js';
+export function parse(xml) {
+  var doc;
+  if (typeof xml === 'string') {
+    var parser = new DOMParser();
+    doc = parser.parseFromString(xml, 'text/xml');
+  } else {
+    doc = xml;
+  }
+  if (!doc || doc.getElementsByTagName('parsererror').length) {
+    return null;
+  }
+  var gexfRoot = getChildByTagName(doc, 'gexf');
+  if (!gexfRoot) {
+    return null;
+  }
+  var graphRoot = getChildByTagName(gexfRoot, 'graph');
+  var attributes = parseAttributes(getChildByTagName(graphRoot, 'attributes'));
+  var attributesMap = {};
+  for (var i = 0; i < attributes.length; i++) {
+    attributesMap[attributes[i].id] = attributes[i];
+  }
+  return {
+    nodes: parseNodes(getChildByTagName(graphRoot, 'nodes'), attributesMap),
+    links: parseEdges(getChildByTagName(graphRoot, 'edges'))
+  };
+}
+function parseAttributes(parent) {
+  return parent ? zrUtil.map(getChildrenByTagName(parent, 'attribute'), function (attribDom) {
+    return {
+      id: getAttr(attribDom, 'id'),
+      title: getAttr(attribDom, 'title'),
+      type: getAttr(attribDom, 'type')
+    };
+  }) : [];
+}
+function parseNodes(parent, attributesMap) {
+  return parent ? zrUtil.map(getChildrenByTagName(parent, 'node'), function (nodeDom) {
+    var id = getAttr(nodeDom, 'id');
+    var label = getAttr(nodeDom, 'label');
+    var node = {
+      id: id,
+      name: label,
+      itemStyle: {
+        normal: {}
+      }
+    };
+    var vizSizeDom = getChildByTagName(nodeDom, 'viz:size');
+    var vizPosDom = getChildByTagName(nodeDom, 'viz:position');
+    var vizColorDom = getChildByTagName(nodeDom, 'viz:color');
+    // let vizShapeDom = getChildByTagName(nodeDom, 'viz:shape');
+    var attvaluesDom = getChildByTagName(nodeDom, 'attvalues');
+    if (vizSizeDom) {
+      node.symbolSize = parseFloat(getAttr(vizSizeDom, 'value'));
+    }
+    if (vizPosDom) {
+      node.x = parseFloat(getAttr(vizPosDom, 'x'));
+      node.y = parseFloat(getAttr(vizPosDom, 'y'));
+      // z
+    }
+    if (vizColorDom) {
+      node.itemStyle.normal.color = 'rgb(' + [getAttr(vizColorDom, 'r') | 0, getAttr(vizColorDom, 'g') | 0, getAttr(vizColorDom, 'b') | 0].join(',') + ')';
+    }
+    // if (vizShapeDom) {
+    // node.shape = getAttr(vizShapeDom, 'shape');
+    // }
+    if (attvaluesDom) {
+      var attvalueDomList = getChildrenByTagName(attvaluesDom, 'attvalue');
+      node.attributes = {};
+      for (var j = 0; j < attvalueDomList.length; j++) {
+        var attvalueDom = attvalueDomList[j];
+        var attId = getAttr(attvalueDom, 'for');
+        var attValue = getAttr(attvalueDom, 'value');
+        var attribute = attributesMap[attId];
+        if (attribute) {
+          switch (attribute.type) {
+            case 'integer':
+            case 'long':
+              attValue = parseInt(attValue, 10);
+              break;
+            case 'float':
+            case 'double':
+              attValue = parseFloat(attValue);
+              break;
+            case 'boolean':
+              attValue = attValue.toLowerCase() === 'true';
+              break;
+            default:
+          }
+          node.attributes[attId] = attValue;
+        }
+      }
+    }
+    return node;
+  }) : [];
+}
+function parseEdges(parent) {
+  return parent ? zrUtil.map(getChildrenByTagName(parent, 'edge'), function (edgeDom) {
+    var id = getAttr(edgeDom, 'id');
+    var label = getAttr(edgeDom, 'label');
+    var sourceId = getAttr(edgeDom, 'source');
+    var targetId = getAttr(edgeDom, 'target');
+    var edge = {
+      id: id,
+      name: label,
+      source: sourceId,
+      target: targetId,
+      lineStyle: {
+        normal: {}
+      }
+    };
+    var lineStyle = edge.lineStyle.normal;
+    var vizThicknessDom = getChildByTagName(edgeDom, 'viz:thickness');
+    var vizColorDom = getChildByTagName(edgeDom, 'viz:color');
+    // let vizShapeDom = getChildByTagName(edgeDom, 'viz:shape');
+    if (vizThicknessDom) {
+      lineStyle.width = parseFloat(vizThicknessDom.getAttribute('value'));
+    }
+    if (vizColorDom) {
+      lineStyle.color = 'rgb(' + [getAttr(vizColorDom, 'r') | 0, getAttr(vizColorDom, 'g') | 0, getAttr(vizColorDom, 'b') | 0].join(',') + ')';
+    }
+    // if (vizShapeDom) {
+    //     edge.shape = vizShapeDom.getAttribute('shape');
+    // }
+    return edge;
+  }) : [];
+}
+function getAttr(el, attrName) {
+  return el.getAttribute(attrName);
+}
+function getChildByTagName(parent, tagName) {
+  var node = parent.firstChild;
+  while (node) {
+    if (node.nodeType !== 1 || node.nodeName.toLowerCase() !== tagName.toLowerCase()) {
+      node = node.nextSibling;
+    } else {
+      return node;
+    }
+  }
+  return null;
+}
+function getChildrenByTagName(parent, tagName) {
+  var node = parent.firstChild;
+  var children = [];
+  while (node) {
+    if (node.nodeName.toLowerCase() === tagName.toLowerCase()) {
+      children.push(node);
+    }
+    node = node.nextSibling;
+  }
+  return children;
+}