code: /*
   * 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.
   */
  /*
   * $Id$
   */
  package org.apache.xalan.templates;
  
  import org.apache.xalan.res.XSLTErrorResources;
  
  /**
   * Implement xsl:template.
   * This primarily acts as a marker on the element
   * stack to signal that whitespace should be preserved.
   * <pre>
   * <!ELEMENT xsl:text (#PCDATA)>
   * <!ATTLIST xsl:text
   *   disable-output-escaping (yes|no) "no"
   * >
   * </pre>
   * @see <a href="http://www.w3.org/TR/xslt#section-Creating-Text">section-Creating-Text in XSLT Specification</a>
   * @xsl.usage advanced
   */
  public class ElemText extends ElemTemplateElement
  {
      static final long serialVersionUID = 1383140876182316711L;
  
    /**
     * Tells if this element should disable escaping.
     * @serial
     */
    private boolean m_disableOutputEscaping = false;
  
    /**
     * Set the "disable-output-escaping" attribute.
     * Normally, the xml output method escapes & and < (and
     * possibly other characters) when outputting text nodes.
     * This ensures that the output is well-formed XML. However,
     * it is sometimes convenient to be able to produce output
     * that is almost, but not quite well-formed XML; for
     * example, the output may include ill-formed sections
     * which are intended to be transformed into well-formed
     * XML by a subsequent non-XML aware process. For this reason,
     * XSLT provides a mechanism for disabling output escaping.
     * An xsl:value-of or xsl:text element may have a
     * disable-output-escaping attribute; the allowed values
     * are yes or no; the default is no; if the value is yes,
     * then a text node generated by instantiating the xsl:value-of
     * or xsl:text element should be output without any escaping.
     * @see <a href="http://www.w3.org/TR/xslt#disable-output-escaping">disable-output-escaping in XSLT Specification</a>
     *
     * @param v Boolean flag indicating whether this element should disable escaping
     */
    public void setDisableOutputEscaping(boolean v)
    {
      m_disableOutputEscaping = v;
    }
  
    /**
     * Get the "disable-output-escaping" attribute.
     * Normally, the xml output method escapes & and < (and
     * possibly other characters) when outputting text nodes.
     * This ensures that the output is well-formed XML. However,
     * it is sometimes convenient to be able to produce output
     * that is almost, but not quite well-formed XML; for
     * example, the output may include ill-formed sections
     * which are intended to be transformed into well-formed
     * XML by a subsequent non-XML aware process. For this reason,
     * XSLT provides a mechanism for disabling output escaping.
     * An xsl:value-of or xsl:text element may have a
     * disable-output-escaping attribute; the allowed values
     * are yes or no; the default is no; if the value is yes,
     * then a text node generated by instantiating the xsl:value-of
     * or xsl:text element should be output without any escaping.
     * @see <a href="http://www.w3.org/TR/xslt#disable-output-escaping">disable-output-escaping in XSLT Specification</a>
     *
     * @return Boolean flag indicating whether this element should disable escaping
     */
    public boolean getDisableOutputEscaping()
    {
      return m_disableOutputEscaping;
    }
  
    /**
     * Get an integer representation of the element type.
     *
     * @return An integer representation of the element, defined in the
     *     Constants class.
     * @see org.apache.xalan.templates.Constants
     */
    public int getXSLToken()
    {
      return Constants.ELEMNAME_TEXT;
    }
  
    /**
     * Return the node name.
     *
     * @return The element's name
     */
    public String getNodeName()
    {
      return Constants.ELEMNAME_TEXT_STRING;
    }
  
    /**
     * Add a child to the child list.
     *
     * @param newChild Child to add to children list
     *
     * @return Child added to children list
     *
     * @throws DOMException
     */
    public ElemTemplateElement appendChild(ElemTemplateElement newChild)
    {
  
      int type = ((ElemTemplateElement) newChild).getXSLToken();
  
      switch (type)
      {
      case Constants.ELEMNAME_TEXTLITERALRESULT :
        break;
      default :
        error(XSLTErrorResources.ER_CANNOT_ADD,
              new Object[]{ newChild.getNodeName(),
                            this.getNodeName() });  //"Can not add " +((ElemTemplateElement)newChild).m_elemName +
  
      //" to " + this.m_elemName);
      }
  
      return super.appendChild(newChild);
    }
  }
  