content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Xerces" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation and was
   * originally based on software copyright (c) 1999, International
   * Business Machines, Inc., http://www.apache.org.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  package jaxp.sun.org.apache.xerces.internal.util;
  
  import jaxp.sun.org.apache.xerces.internal.impl.xs.util.SimpleLocator;
  import jaxp.sun.org.apache.xerces.internal.jaxp.validation.WrappedSAXException;
  import jaxp.sun.org.apache.xerces.internal.xni.QName;
  import jaxp.sun.org.apache.xerces.internal.xni.XMLAttributes;
  import jaxp.sun.org.apache.xerces.internal.xni.XMLDocumentHandler;
  import jaxp.sun.org.apache.xerces.internal.xni.XMLLocator;
  import jaxp.sun.org.apache.xerces.internal.xni.XMLString;
  import jaxp.sun.org.apache.xerces.internal.xni.parser.XMLDocumentSource;
  import org.xml.sax.Attributes;
  import org.xml.sax.ContentHandler;
  import org.xml.sax.Locator;
  import org.xml.sax.SAXException;
  
  /**
   * Receves SAX {@link ContentHandler} events
   * and produces the equivalent {@link XMLDocumentHandler} events.
   *
   * @author
   *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
   */
  public class SAX2XNI implements ContentHandler, XMLDocumentSource {
      public SAX2XNI( XMLDocumentHandler core ) {
          this.fCore = core;
      }
  
      private XMLDocumentHandler fCore;
  
      private final NamespaceSupport nsContext = new NamespaceSupport();
      private final SymbolTable symbolTable = new SymbolTable();
  
  
      public void setDocumentHandler(XMLDocumentHandler handler) {
          fCore = handler;
      }
  
      public XMLDocumentHandler getDocumentHandler() {
          return fCore;
      }
  
  
      //
      //
      // ContentHandler implementation
      //
      //
      public void startDocument() throws SAXException {
          try {
              nsContext.reset();
  
              XMLLocator xmlLocator;
              if(locator==null)
                  // some SAX source doesn't provide a locator,
                  // in which case we assume no line information is available
                  // and use a dummy locator. With this, downstream components
                  // can always assume that they will get a non-null Locator.
                  xmlLocator=new SimpleLocator(null,null,-1,-1);
              else
                  xmlLocator=new LocatorWrapper(locator);
  
              fCore.startDocument(
                      xmlLocator,
                      null,
                      nsContext,
                      null);
          } catch( WrappedSAXException e ) {
              throw e.exception;
          }
      }
  
      public void endDocument() throws SAXException {
          try {
              fCore.endDocument(null);
          } catch( WrappedSAXException e ) {
              throw e.exception;
          }
      }
  
      public void startElement( String uri, String local, String qname, Attributes att ) throws SAXException {
          try {
              fCore.startElement(createQName(uri,local,qname),createAttributes(att),null);
          } catch( WrappedSAXException e ) {
              throw e.exception;
          }
      }
  
      public void endElement( String uri, String local, String qname ) throws SAXException {
          try {
              fCore.endElement(createQName(uri,local,qname),null);
          } catch( WrappedSAXException e ) {
              throw e.exception;
          }
      }
  
      public void characters( char[] buf, int offset, int len ) throws SAXException {
          try {
              fCore.characters(new XMLString(buf,offset,len),null);
          } catch( WrappedSAXException e ) {
              throw e.exception;
          }
      }
  
      public void ignorableWhitespace( char[] buf, int offset, int len ) throws SAXException {
          try {
              fCore.ignorableWhitespace(new XMLString(buf,offset,len),null);
          } catch( WrappedSAXException e ) {
              throw e.exception;
          }
      }
  
      public void startPrefixMapping( String prefix, String uri ) {
          nsContext.pushContext();
          nsContext.declarePrefix(prefix,uri);
      }
  
      public void endPrefixMapping( String prefix ) {
          nsContext.popContext();
      }
  
      public void processingInstruction( String target, String data ) throws SAXException {
          try {
              fCore.processingInstruction(
                      symbolize(target),createXMLString(data),null);
          } catch( WrappedSAXException e ) {
              throw e.exception;
          }
      }
  
      public void skippedEntity( String name ) {
      }
  
      private Locator locator;
      public void setDocumentLocator( Locator _loc ) {
          this.locator = _loc;
      }
  
      /** Creates a QName object. */
      private QName createQName(String uri, String local, String raw) {
  
          int idx = raw.indexOf(':');
  
          if( local.length()==0 ) {
              // if naemspace processing is turned off, local could be "".
              // in that case, treat everything to be in the no namespace.
              uri = "";
              if(idx<0)
                  local = raw;
              else
                  local = raw.substring(idx+1);
          }
  
          String prefix;
          if (idx < 0)
              prefix = null;
          else
              prefix = raw.substring(0, idx);
  
          if (uri != null && uri.length() == 0)
              uri = null; // XNI uses null whereas SAX uses the empty string
  
          return new QName(symbolize(prefix), symbolize(local), symbolize(raw), symbolize(uri));
      }
  
      /** Symbolizes the specified string. */
      private String symbolize(String s) {
          if (s == null)
              return null;
          else
              return symbolTable.addSymbol(s);
      }
  
      private XMLString createXMLString(String str) {
          // with my patch
          // return new XMLString(str);
  
          // for now
          return new XMLString(str.toCharArray(), 0, str.length());
      }
  
  
      /** only one instance of XMLAttributes is used. */
      private final XMLAttributes xa = new XMLAttributesImpl();
  
      /** Creates an XMLAttributes object. */
      private XMLAttributes createAttributes(Attributes att) {
          xa.removeAllAttributes();
          int len = att.getLength();
          for (int i = 0; i < len; i++)
              xa.addAttribute(
                      createQName(att.getURI(i), att.getLocalName(i), att.getQName(i)),
                      att.getType(i),
                      att.getValue(i));
          return xa;
      }
  }
  