Examples of SAX2RTFDTM

com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM
This is a subclass of SAX2DTM which has been modified to meet the needs of Result Tree Frameworks (RTFs). The differences are: 1) Multiple XML trees may be appended to the single DTM. This means that the root node of each document is _not_ node 0. Some code has had to be deoptimized to support this mode of operation, and an explicit mechanism for obtaining the Node Handle of the root node has been provided. 2) A stack of these documents is maintained, allowing us to "tail-prune" the most recently added trees off the end of the DTM as stylesheet elements (and thus variable contexts) are exited. PLEASE NOTE that this class may be _heavily_ dependent upon the internals of the SAX2DTM superclass, and must be maintained in parallel with that code. Arguably, they should be conditionals within a single class... but they have deen separated for performance reasons. (In fact, one could even argue about which is the superclass and which is the subclass; the current arrangement is as much about preserving stability of existing code during development as anything else.) %REVIEW% In fact, since the differences are so minor, I think it may be possible/practical to fold them back into the base SAX2DTM. Consider that as a future code-size optimization.
org.apache.xml.dtm.ref.sax2dtm.SAX2RTFDTM
This is a subclass of SAX2DTM which has been modified to meet the needs of Result Tree Frameworks (RTFs). The differences are: 1) Multiple XML trees may be appended to the single DTM. This means that the root node of each document is _not_ node 0. Some code has had to be deoptimized to support this mode of operation, and an explicit mechanism for obtaining the Node Handle of the root node has been provided. 2) A stack of these documents is maintained, allowing us to "tail-prune" the most recently added trees off the end of the DTM as stylesheet elements (and thus variable contexts) are exited. PLEASE NOTE that this class may be _heavily_ dependent upon the internals of the SAX2DTM superclass, and must be maintained in parallel with that code. Arguably, they should be conditionals within a single class... but they have deen separated for performance reasons. (In fact, one could even argue about which is the superclass and which is the subclass; the current arrangement is as much about preserving stability of existing code during development as anything else.) %REVIEW% In fact, since the differences are so minor, I think it may be possible/practical to fold them back into the base SAX2DTM. Consider that as a future code-size optimization.

Examples of com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM

   * 
   * @return a non-null DTM reference.
   */
  public DTM getRTFDTM()
  {
    SAX2RTFDTM rtfdtm;


    // We probably should _NOT_ be applying whitespace filtering at this stage!
    //
    // Some magic has been applied in DTMManagerDefault to recognize this set of options
    // and generate an instance of DTM which can contain multiple documents
    // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but
    // I didn't want to change the manager API at this time, or expose 
    // too many dependencies on its internals. (Ideally, I'd like to move
    // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly
    // specify the subclass here.)


  if(m_rtfdtm_stack==null)
  {
    m_rtfdtm_stack=new Vector();
      rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false);
    m_rtfdtm_stack.addElement(rtfdtm);
    ++m_which_rtfdtm;
  }
  else if(m_which_rtfdtm<0)
  {
    rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(++m_which_rtfdtm);
  }
  else
  {
    rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);
      
      // It might already be under construction -- the classic example would be
      // an xsl:variable which uses xsl:call-template as part of its value. To
      // handle this recursion, we have to start a new RTF DTM, pushing the old
      // one onto a stack so we can return to it. This is not as uncommon a case
      // as we might wish, unfortunately, as some folks insist on coding XSLT
      // as if it were a procedural language...
      if(rtfdtm.isTreeIncomplete())
      {
        if(++m_which_rtfdtm < m_rtfdtm_stack.size())
        rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);
        else
        {

View Full Code Here

Examples of com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM

            // but may be slightly deoptimized relative to the base
            // to allow it to deal with carrying multiple documents.
            //
            // %REVIEW% This is a sloppy way to request this mode;
            // we need to consider architectural improvements.
            dtm = new SAX2RTFDTM(this, source, documentID, whiteSpaceFilter,
                                 xstringFactory, doIndexing);
          }
          /**************************************************************
          // EXPERIMENTAL 3/22/02
          else if(JKESS_XNI_EXPERIMENT && m_incremental) {

View Full Code Here

Examples of com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM

            // but may be slightly deoptimized relative to the base
            // to allow it to deal with carrying multiple documents.
            //
            // %REVIEW% This is a sloppy way to request this mode;
            // we need to consider architectural improvements.
            dtm = new SAX2RTFDTM(this, source, documentID, whiteSpaceFilter,
                                 xstringFactory, doIndexing);
          }
          /**************************************************************
          // EXPERIMENTAL 3/22/02
          else if(JKESS_XNI_EXPERIMENT && m_incremental) {

View Full Code Here

Examples of com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM

   *
   * @return a non-null DTM reference.
   */
  public DTM getRTFDTM()
  {
        SAX2RTFDTM rtfdtm;


        // We probably should _NOT_ be applying whitespace filtering at this stage!
        //
        // Some magic has been applied in DTMManagerDefault to recognize this set of options
        // and generate an instance of DTM which can contain multiple documents
        // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but
        // I didn't want to change the manager API at this time, or expose
        // too many dependencies on its internals. (Ideally, I'd like to move
        // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly
        // specify the subclass here.)


        if(m_rtfdtm_stack==null)
        {
                m_rtfdtm_stack=new Vector();
                rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false);
    m_rtfdtm_stack.addElement(rtfdtm);
                ++m_which_rtfdtm;
        }
        else if(m_which_rtfdtm<0)
        {
                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(++m_which_rtfdtm);
        }
        else
        {
                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);


                // It might already be under construction -- the classic example would be
                // an xsl:variable which uses xsl:call-template as part of its value. To
                // handle this recursion, we have to start a new RTF DTM, pushing the old
                // one onto a stack so we can return to it. This is not as uncommon a case
                // as we might wish, unfortunately, as some folks insist on coding XSLT
                // as if it were a procedural language...
                if(rtfdtm.isTreeIncomplete())
                {
                        if(++m_which_rtfdtm < m_rtfdtm_stack.size())
                                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);
                        else
                        {

View Full Code Here

Examples of com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM

            // but may be slightly deoptimized relative to the base
            // to allow it to deal with carrying multiple documents.
            //
            // %REVIEW% This is a sloppy way to request this mode;
            // we need to consider architectural improvements.
            dtm = new SAX2RTFDTM(this, source, documentID, whiteSpaceFilter,
                                 xstringFactory, doIndexing);
          }
          /**************************************************************
          // EXPERIMENTAL 3/22/02
          else if(JKESS_XNI_EXPERIMENT && m_incremental) {

View Full Code Here

Examples of com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM

   *
   * @return a non-null DTM reference.
   */
  public DTM getRTFDTM()
  {
        SAX2RTFDTM rtfdtm;


        // We probably should _NOT_ be applying whitespace filtering at this stage!
        //
        // Some magic has been applied in DTMManagerDefault to recognize this set of options
        // and generate an instance of DTM which can contain multiple documents
        // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but
        // I didn't want to change the manager API at this time, or expose
        // too many dependencies on its internals. (Ideally, I'd like to move
        // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly
        // specify the subclass here.)


        if(m_rtfdtm_stack==null)
        {
                m_rtfdtm_stack=new Vector();
                rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false);
    m_rtfdtm_stack.addElement(rtfdtm);
                ++m_which_rtfdtm;
        }
        else if(m_which_rtfdtm<0)
        {
                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(++m_which_rtfdtm);
        }
        else
        {
                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);


                // It might already be under construction -- the classic example would be
                // an xsl:variable which uses xsl:call-template as part of its value. To
                // handle this recursion, we have to start a new RTF DTM, pushing the old
                // one onto a stack so we can return to it. This is not as uncommon a case
                // as we might wish, unfortunately, as some folks insist on coding XSLT
                // as if it were a procedural language...
                if(rtfdtm.isTreeIncomplete())
                {
                        if(++m_which_rtfdtm < m_rtfdtm_stack.size())
                                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);
                        else
                        {

View Full Code Here

Examples of com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM

   *
   * @return a non-null DTM reference.
   */
  public DTM getRTFDTM()
  {
        SAX2RTFDTM rtfdtm;


        // We probably should _NOT_ be applying whitespace filtering at this stage!
        //
        // Some magic has been applied in DTMManagerDefault to recognize this set of options
        // and generate an instance of DTM which can contain multiple documents
        // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but
        // I didn't want to change the manager API at this time, or expose
        // too many dependencies on its internals. (Ideally, I'd like to move
        // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly
        // specify the subclass here.)


        if(m_rtfdtm_stack==null)
        {
                m_rtfdtm_stack=new Vector();
                rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false);
    m_rtfdtm_stack.addElement(rtfdtm);
                ++m_which_rtfdtm;
        }
        else if(m_which_rtfdtm<0)
        {
                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(++m_which_rtfdtm);
        }
        else
        {
                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);


                // It might already be under construction -- the classic example would be
                // an xsl:variable which uses xsl:call-template as part of its value. To
                // handle this recursion, we have to start a new RTF DTM, pushing the old
                // one onto a stack so we can return to it. This is not as uncommon a case
                // as we might wish, unfortunately, as some folks insist on coding XSLT
                // as if it were a procedural language...
                if(rtfdtm.isTreeIncomplete())
                {
                        if(++m_which_rtfdtm < m_rtfdtm_stack.size())
                                rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);
                        else
                        {

View Full Code Here

Examples of com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2RTFDTM

            // but may be slightly deoptimized relative to the base
            // to allow it to deal with carrying multiple documents.
            //
            // %REVIEW% This is a sloppy way to request this mode;
            // we need to consider architectural improvements.
            dtm = new SAX2RTFDTM(this, source, documentID, whiteSpaceFilter,
                                 xstringFactory, doIndexing);
          }
          /**************************************************************
          // EXPERIMENTAL 3/22/02
          else if(JKESS_XNI_EXPERIMENT && m_incremental) {

View Full Code Here

Examples of org.apache.xml.dtm.ref.sax2dtm.SAX2RTFDTM

   * 
   * @return a non-null DTM reference.
   */
  public DTM getRTFDTM()
  {
    SAX2RTFDTM rtfdtm;


    // We probably should _NOT_ be applying whitespace filtering at this stage!
    //
    // Some magic has been applied in DTMManagerDefault to recognize this set of options
    // and generate an instance of DTM which can contain multiple documents
    // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but
    // I didn't want to change the manager API at this time, or expose 
    // too many dependencies on its internals. (Ideally, I'd like to move
    // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly
    // specify the subclass here.)


  if(m_rtfdtm_stack==null)
  {
    m_rtfdtm_stack=new Vector();
      rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false);
    m_rtfdtm_stack.addElement(rtfdtm);
    ++m_which_rtfdtm;
  }
  else if(m_which_rtfdtm<0)
  {
    rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(++m_which_rtfdtm);
  }
  else
  {
    rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);
      
      // It might already be under construction -- the classic example would be
      // an xsl:variable which uses xsl:call-template as part of its value. To
      // handle this recursion, we have to start a new RTF DTM, pushing the old
      // one onto a stack so we can return to it. This is not as uncommon a case
      // as we might wish, unfortunately, as some folks insist on coding XSLT
      // as if it were a procedural language...
      if(rtfdtm.isTreeIncomplete())
      {
        if(++m_which_rtfdtm < m_rtfdtm_stack.size())
        rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);
        else
        {

View Full Code Here

Examples of org.apache.xml.dtm.ref.sax2dtm.SAX2RTFDTM

          // but may be slightly deoptimized relative to the base
          // to allow it to deal with carrying multiple documents.
          //
          // %REVIEW% This is a sloppy way to request this mode;
          // we need to consider architectural improvements.
          dtm = new SAX2RTFDTM(this, source, documentID, whiteSpaceFilter,
                               xstringFactory, doIndexing);
        }
        /**************************************************************
        // EXPERIMENTAL 3/22/02
        else if(JKESS_XNI_EXPERIMENT && m_incremental)

View Full Code Here

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