L2ClientDat decoder.
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MobiusDev
368
L2ClientDat/java/com/l2jmobius/xml/DescriptorParser.java
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368
L2ClientDat/java/com/l2jmobius/xml/DescriptorParser.java
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/*
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* This file is part of the L2J Mobius project.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jmobius.xml;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import javax.xml.parsers.DocumentBuilderFactory;
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import org.w3c.dom.Document;
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import org.w3c.dom.Node;
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import com.l2jmobius.listeners.FormatListener;
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import com.l2jmobius.util.DebugUtil;
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import com.l2jmobius.util.Util;
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import com.l2jmobius.xml.exceptions.CycleArgumentException;
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public class DescriptorParser
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{
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private static DescriptorParser _parser = new DescriptorParser();
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private final Map<String, Map<String, Descriptor>> _descriptors = new HashMap<>();
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private final Map<String, List<ParamNode>> _definitions = new HashMap<>();
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private final Map<String, List<DescriptorLink>> _links = new HashMap<>();
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private DescriptorParser()
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{
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load();
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}
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public static DescriptorParser getInstance()
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{
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return _parser;
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}
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private void load()
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{
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parseDefinitions();
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Util.loadFiles("./structure/", ".xml").forEach(this::parseDescriptor);
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}
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private void parseDefinitions()
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{
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File def = new File("./!definitions.xml");
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if (def.exists())
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{
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DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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factory.setValidating(false);
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factory.setIgnoringElementContentWhitespace(true);
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factory.setIgnoringComments(true);
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try
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{
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Document doc = factory.newDocumentBuilder().parse(def);
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Node defsNode = doc.getFirstChild();
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while (defsNode != null)
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{
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if (defsNode.getNodeName().equals("definitions"))
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{
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for (Node defNode = defsNode.getFirstChild(); defNode != null; defNode = defNode.getNextSibling())
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{
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if (!defNode.getNodeName().equals("definition"))
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{
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continue;
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}
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String defName = defNode.getAttributes().getNamedItem("name").getNodeValue();
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List<ParamNode> nodes = parseNodes(defNode, true, new HashSet<String>(), "definitions->" + defName);
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_definitions.put(defName, nodes);
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}
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}
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defsNode = doc.getNextSibling();
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}
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}
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catch (Exception e)
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{
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DebugUtil.getLogger().error(e.getMessage(), e);
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}
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}
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}
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private void parseDescriptor(File file)
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{
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if (!file.exists())
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{
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DebugUtil.debug("File " + file.getName() + " not found.");
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}
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try
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{
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DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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factory.setValidating(false);
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factory.setIgnoringElementContentWhitespace(true);
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factory.setIgnoringComments(true);
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Document doc = factory.newDocumentBuilder().parse(file);
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Node fileNode0 = doc.getFirstChild();
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while (fileNode0 != null)
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{
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if (fileNode0.getNodeName().equalsIgnoreCase("list"))
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{
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for (Node fileNode = fileNode0.getFirstChild(); fileNode != null; fileNode = fileNode.getNextSibling())
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{
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String dir;
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Object obj;
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String namePattern;
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Map<String, Descriptor> versions;
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if (fileNode.getNodeName().equalsIgnoreCase("link"))
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{
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dir = file.getName().substring(0, file.getName().length() - 4);
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namePattern = fileNode.getAttributes().getNamedItem("pattern").getNodeValue();
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String linkFile = fileNode.getAttributes().getNamedItem("file").getNodeValue();
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String linkVersion = fileNode.getAttributes().getNamedItem("version").getNodeValue();
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List<DescriptorLink> list = _links.get(dir);
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if (list == null)
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{
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list = new ArrayList<>();
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}
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list.add(new DescriptorLink(dir, namePattern, linkFile, linkVersion));
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_links.put(dir, list);
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continue;
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}
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if (!fileNode.getNodeName().equalsIgnoreCase("file"))
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{
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continue;
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}
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dir = file.getName().substring(0, file.getName().length() - 4);
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namePattern = fileNode.getAttributes().getNamedItem("pattern").getNodeValue();
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boolean isRawData = parseBoolNode(fileNode, "isRaw", false);
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boolean isSafePackage = parseBoolNode(fileNode, "isSafePackage", false);
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String formatName = parseStringNode(fileNode, "format", null);
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DebugUtil.debug("Boot of parsing file: " + namePattern);
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List<ParamNode> nodes = parseNodes(fileNode, false, new HashSet<String>(), dir + "->" + namePattern);
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Descriptor desc = new Descriptor(file.getName(), namePattern, nodes);
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desc.setIsRawData(isRawData);
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desc.setIsSafePackage(isSafePackage);
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if ((formatName != null) && ((obj = Util.loadJavaClass(formatName, "./structure/format/")) instanceof FormatListener))
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{
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desc.setFormat((FormatListener) obj);
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}
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if ((versions = _descriptors.get(dir)) == null)
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{
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versions = new HashMap<>();
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}
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versions.put(namePattern, desc);
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_descriptors.put(dir, versions);
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DebugUtil.debug("End of parsing file: " + namePattern);
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}
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}
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fileNode0 = doc.getNextSibling();
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}
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}
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catch (Exception e)
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{
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DebugUtil.getLogger().error(e.getMessage(), e);
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}
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}
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private List<ParamNode> parseNodes(Node fileNode, boolean isHideName, Set<String> names, String fileName) throws Exception
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{
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HashMap<String, Integer> defsCounter = new HashMap<>();
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LinkedList<ParamNode> nodes = new LinkedList<>();
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for (Node node = fileNode.getFirstChild(); node != null; node = node.getNextSibling())
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{
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ParamNode beginNode;
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String nodeName = node.getNodeName();
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if (nodeName.equals("#text"))
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{
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continue;
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}
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boolean isHide = isHideName || parseBoolNode(node, "hidden", true);
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if (node.getAttributes().getNamedItem("name") == null)
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{
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DebugUtil.getLogger().warn("Node name == null, fileName: " + fileName);
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continue;
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}
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String entityName = node.getAttributes().getNamedItem("name").getNodeValue();
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if (nodeName.equalsIgnoreCase("node"))
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{
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String type = node.getAttributes().getNamedItem("reader").getNodeValue();
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if (_definitions.containsKey(type))
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{
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if (!defsCounter.containsKey(type))
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{
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defsCounter.put(type, 1);
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}
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else
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{
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defsCounter.put(type, defsCounter.get(type) + 1);
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}
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List<ParamNode> defNodes = _definitions.get(type);
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for (ParamNode defNode : defNodes)
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{
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ParamNode copied = defNode.copy();
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copied.setName(entityName);
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if (isHide)
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{
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copied.setHidden();
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}
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nodes.add(copied);
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}
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}
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else
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{
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ParamNode dataNode = new ParamNode(entityName, ParamNodeType.VARIABLE, ParamType.valueOf(type));
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if (isHide)
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{
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dataNode.setHidden();
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}
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nodes.add(dataNode);
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DebugUtil.debug("Found node: " + dataNode.getName());
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}
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if (names.contains(entityName))
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{
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DebugUtil.getLogger().warn("Node name duplicated [" + entityName + "] fileName: " + fileName);
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}
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names.add(entityName);
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continue;
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}
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if (nodeName.equalsIgnoreCase("for"))
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{
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String iteratorName = entityName;
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boolean skipWriteSize = parseBoolNode(node, "skipWriteSize", false);
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int size = -1;
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if (node.getAttributes().getNamedItem("size") != null)
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{
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String sizeStr = node.getAttributes().getNamedItem("size").getNodeValue();
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if (sizeStr.startsWith("#"))
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{
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iteratorName = sizeStr.substring(1);
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}
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else
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{
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size = Integer.parseInt(sizeStr);
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}
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}
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if (size == 0)
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{
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DebugUtil.getLogger().warn("Size of cycle [" + iteratorName + "] was set to zero. Deprecated cycle?");
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}
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DebugUtil.debug("Found cycle for variable: " + entityName);
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ParamNode beginNode2 = new ParamNode(entityName, ParamNodeType.FOR, null);
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if (size >= 0)
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{
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beginNode2.setSize(size);
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}
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if (isHide)
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{
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beginNode2.setHidden();
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}
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beginNode2.setSkipWriteSize(skipWriteSize);
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beginNode2.addSubNodes(parseNodes(node, false, names, fileName));
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beginNode2.setCycleName(iteratorName);
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nodes.add(beginNode2);
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boolean iteratorFound = false;
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for (ParamNode n : nodes)
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{
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if (!iteratorName.equals(n.getName()))
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{
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continue;
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}
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n.setIterator();
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iteratorFound = true;
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break;
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}
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if (iteratorFound || (size >= 0))
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{
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continue;
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}
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throw new CycleArgumentException("Invalid argument [" + iteratorName + "] for [cycle]");
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}
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if (nodeName.equalsIgnoreCase("wrapper"))
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{
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beginNode = new ParamNode(entityName, ParamNodeType.WRAPPER, null);
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beginNode.addSubNodes(parseNodes(node, true, names, fileName));
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nodes.add(beginNode);
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DebugUtil.debug("Found [wrapper] data " + entityName);
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continue;
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}
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if (nodeName.equalsIgnoreCase("write"))
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{
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beginNode = new ParamNode(entityName, ParamNodeType.CONSTANT, ParamType.STRING);
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beginNode.setHidden();
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nodes.add(beginNode);
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DebugUtil.debug("Found [constant] data: " + entityName);
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continue;
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}
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if (!nodeName.equalsIgnoreCase("if"))
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{
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continue;
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}
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String paramName = node.getAttributes().getNamedItem("param").getNodeValue();
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String vsl = node.getAttributes().getNamedItem("val").getNodeValue();
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if (!paramName.startsWith("#"))
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{
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throw new Exception("Invalid argument [" + entityName + "] for [if]");
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}
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paramName = paramName.substring(1);
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ParamNode beginNode3 = new ParamNode(entityName, ParamNodeType.IF, null);
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beginNode3.setParamIf(paramName);
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beginNode3.setValIf(vsl);
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beginNode3.addSubNodes(parseNodes(node, false, names, fileName));
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nodes.add(beginNode3);
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DebugUtil.debug("Found [if] data: " + entityName);
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}
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return nodes;
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}
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public Descriptor findDescriptorForFile(String dir, String fileName)
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{
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List<DescriptorLink> listDes = _links.get(dir);
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if (listDes == null)
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{
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return null;
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}
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for (DescriptorLink desc : listDes)
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{
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Map<String, Descriptor> versions;
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if (!fileName.toLowerCase().matches(desc.getNamePattern().toLowerCase()) || !_descriptors.containsKey(desc.getLinkFile()) || !(versions = _descriptors.get(desc.getLinkFile())).containsKey(desc.getLinkVersion()))
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{
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continue;
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}
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return versions.get(desc.getLinkVersion());
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}
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return null;
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}
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private boolean parseBoolNode(Node node, String name, boolean def)
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{
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if (node.getAttributes() == null)
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{
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return def;
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}
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if (node.getAttributes().getNamedItem(name) == null)
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{
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return def;
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}
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return node.getAttributes().getNamedItem(name).getNodeValue().equalsIgnoreCase("true");
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}
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private String parseStringNode(Node node, String name, String def)
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{
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if (node.getAttributes() == null)
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{
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return def;
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}
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if (node.getAttributes().getNamedItem(name) == null)
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{
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return def;
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}
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return node.getAttributes().getNamedItem(name).getNodeValue();
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}
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}
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