xml.js

来自「Hippo CMS是一个以信息为中心的开源内容管理系统。Hippo CMS目标是」· JavaScript 代码 · 共 66 行

/*
* Copyright 2001-2007 Hippo (www.hippo.nl)
*
* Licensed 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.
*/
var xml = {}

xml.SPACES = "                                                                                                    ";

xml.dump = function (node, indent) {
  if (node.getNodeType() == Packages.org.w3c.dom.Node.ELEMENT_NODE) {
    var elementAsText = xml.SPACES.substr(0, indent) + "<" + node.getTagName();
    var isFirst = true;
    xml.forEachInNamedNodeMap(node.getAttributes(), function (attribute) {
      xml.dump(attribute, indent + 2);
    });
    if (node.getChildNodes().getLength() == 0) {
      print(elementAsText + "/>");
    }
    else {
      print(elementAsText + ">");

      xml.forEachInNodeList(node.getChildNodes(), function (child) {
        xml.dump(child, indent + 2);
      });
    
      print(xml.SPACES.substr(0, indent) + "</" + node.getTagName() + ">");
    }
  }
  else if (node.getNodeType() == Packages.org.w3c.dom.Node.ATTRIBUTE_NODE) {
    print(xml.SPACES.substr(0, indent) + node.getName() + "=\"" + node.getValue() + "\"");
  }
  else if (node.getNodeType() == Packages.org.w3c.dom.Node.TEXT_NODE
        || node.getNodeType() == Packages.org.w3c.dom.Node.CDATA_SECTION_NODE) {
    var value = node.getNodeValue().trim();
    if (value.length() > 0 ) {
      print(value);
    }
  }
}

xml.forEachInNamedNodeMap = function (namedNodeMap, processor) {
  var i;
  for (i = 0; i < namedNodeMap.getLength(); i++) {
    processor(namedNodeMap.item(i));
  }
}

xml.forEachInNodeList = function (nodeList, processor) {
  var i;
  for (i = 0; i < nodeList.getLength(); i++) {
    processor(nodeList.item(i));
  }
}