import com.sun.org.apache.xml.internal.utils.IntStack; //导入依赖的package包/类
/**
 * Receive notification of the beginning of a new RTF document.
 *
 * %REVIEW% Y'know, this isn't all that much of a deoptimization. We
 * might want to consider folding the start/endDocument changes back
 * into the main SAX2DTM so we don't have to expose so many fields
 * (even as Protected) and carry the additional code.
 *
 * @throws SAXException Any SAX exception, possibly
 *            wrapping another exception.
 * @see org.xml.sax.ContentHandler#startDocument
 * */
public void startDocument() throws SAXException
{
  // Re-initialize the tree append process
  m_endDocumentOccured = false;
  m_prefixMappings = new java.util.Vector();
  m_contextIndexes = new IntStack();
  m_parents = new IntStack();

  m_currentDocumentNode=m_size;
  super.startDocument();
}
 

import com.sun.org.apache.xml.internal.utils.IntStack; //导入依赖的package包/类
public IntStack getCurrentNodeStack() {return m_currentNodes; } 

import com.sun.org.apache.xml.internal.utils.IntStack; //导入依赖的package包/类
public void setCurrentNodeStack(IntStack nv) { m_currentNodes = nv; } 

import com.sun.org.apache.xml.internal.utils.IntStack; //导入依赖的package包/类
public IntStack getCurrentExpressionNodeStack() { return m_currentExpressionNodes; } 

import com.sun.org.apache.xml.internal.utils.IntStack; //导入依赖的package包/类
public void setCurrentExpressionNodeStack(IntStack nv) { m_currentExpressionNodes = nv; }