xslwriter.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 1,511 行 · 第 1/3 页

    String prefix = name.substring(0, p);
    String local = name.substring(p + 1);

    startElement(url, prefix, local, name);
  }

  /**
   * Adds a namespace-aware element to the current node, making the
   * new element the current node.
   *
   * <p>Each pushElement should be matched by a popElement.
   *
   * @param prefix the prefix of the element name, e.g. xsl
   * @param local the local part of the element name, e.g. template
   * @param url the namespace url, e.g. http://www.xml.org/...
   */
  public void pushElement(String url, String prefix, String local, String name)
   throws IOException, SAXException
  {
    popText();

    /*
    if (url != null && url.startsWith("quote:"))
      url = url.substring(6);
    */
    
    startElement(url, prefix, local, name);
  }

  /**
   * Adds a new attribute with the given name to the current node, making
   * the attribute the current node.
   */
  public XMLWriter pushAttribute(String name)
    throws IOException, SAXException
  {
    popText();

    XMLWriter oldWriter = _xmlWriter;
    _xmlWriter = ATTR_WRITER;
    
    _attributeURL = null;
    _attributePrefix = null;
    _attributeLocalName = null;
    _attributeName = name;

    return oldWriter;
  }

  /**
   * Adds a new attribute with the given name to the current node, making
   * the attribute the current node.
   */
  public XMLWriter pushAttribute(String name, NamespaceContext namespace)
   throws IOException, SAXException
  {
    popText();

    XMLWriter oldWriter = _xmlWriter;
    _xmlWriter = ATTR_WRITER;
    
    // Look up the proper namespace for the element.
    int p = name.indexOf(':');
    String prefix = null;
    if (p > 0)
      prefix = name.substring(0, p);
    String url = namespace.find(namespace, prefix);
    Attr attr;
    
    if (url != null) {
      _attributeURL = url;
      _attributePrefix = prefix;
      _attributeLocalName = name.substring(p + 1);
      _attributeName = name;
    }
    else {
      _attributeURL = null;
      _attributePrefix = null;
      _attributeLocalName = null;
      _attributeName = name;
    }

    return oldWriter;
  }

  /**
   * Adds a new attribute to the current node, making the new attribute the
   * current node.
   *
   * <p>Each pushAttributeNs should be matched by a popAttribute.
   *
   * @param name name of the element
   * @param url namespace url
   */
  public XMLWriter pushAttributeNs(String name, String url)
   throws IOException, SAXException
  {
    popText();

    XMLWriter oldWriter = _xmlWriter;
    _xmlWriter = ATTR_WRITER;
    
    Attr attr;

    // Look up the proper namespace for the element.
    int p = name.indexOf(':');
    String prefix = null;
    String local = name;
    if (p > 0) {
      prefix = name.substring(0, p);
      local = name.substring(p + 1);
    }

    _attributeURL = url;
    _attributePrefix = prefix;
    _attributeLocalName = local;
    _attributeName = name;

    return oldWriter;
  }

  /**
   * Adds a namespace-aware attribute to the current node, making the
   * new attribute the current node.
   *
   * <p>Each pushAttribute should be matched by a popAttribute.
   *
   * @param prefix the prefix of the element name, e.g. xsl
   * @param local the local part of the element name, e.g. template
   * @param url the namespace url, e.g. http://www.xml.org/...
   */
  public XMLWriter pushAttribute(String prefix, String local, String url)
    throws IOException, SAXException
  {
    popText();

    XMLWriter oldWriter = _xmlWriter;
    _xmlWriter = ATTR_WRITER;
    
    /*
    if (url != null && url.startsWith("quote:"))
      url = url.substring(6);
    */
    
    _attributeURL = url;
    _attributePrefix = prefix;
    _attributeLocalName = local;
    
    if (prefix != null && ! prefix.equals(""))
      _attributeName = prefix + ":" + local;
    else
      _attributeName = local;

    return oldWriter;
  }

  /**
   * Adds a namespace-aware attribute to the current node, making the
   * new attribute the current node.
   *
   * <p>Each pushAttribute should be matched by a popAttribute.
   *
   * @param prefix the prefix of the element name, e.g. xsl
   * @param local the local part of the element name, e.g. template
   * @param url the namespace url, e.g. http://www.xml.org/...
   */
  public void setAttribute(String prefix, String local, String url,
			   String value)
    throws IOException, SAXException
  {
    popText();

    /*
    if (url != null && url.startsWith("quote:"))
      url = url.substring(6);
    */

    String attributeName;
    if (prefix != null && ! prefix.equals(""))
      attributeName = prefix + ":" + local;
    else
      attributeName = local;
    
    attribute(url, prefix, local, attributeName, value);
  }

  /**
   * Adds a new attribute with the given name to the current node, making
   * the attribute the current node.
   */
  public void setAttribute(String name, NamespaceContext namespace, String value)
   throws IOException, SAXException
  {
    popText();
    
    // Look up the proper namespace for the element.
    int p = name.indexOf(':');
    String prefix = null;
    if (p > 0)
      prefix = name.substring(0, p);
    String url = namespace.find(namespace, prefix);
    Attr attr;
    
    if (url != null) {
      attribute(url, prefix, name.substring(p + 1), name, value);
    }
    else {
      attribute(null, null, null, name, value);
    }
  }

  /**
   * Sets the attribute value to the current text, and sets the current node
   * to the parent.
   */
  public void popAttribute(XMLWriter writer)
   throws IOException, SAXException
  {
    _xmlWriter = writer;
    
    attribute(_attributeURL, _attributePrefix,
              _attributeLocalName, _attributeName,
              _text.toString());
    
    _text.clear();
    _attributeName = null;
  }

  /**
   * Directly sets an attribute with a value.
   */
  public void setAttribute(String name, String value)
    throws IOException, SAXException
  {
    attribute(null, null, name, name, value);
  }

  /**
   * Copies the node without attributes or children.
   */
  public void pushCopy(Node copyNode)
    throws IOException, SAXException
  {
    popText();

    switch (copyNode.getNodeType()) {
    case Node.ATTRIBUTE_NODE:
      Node oldNode = copyNode;
      attribute(oldNode.getNamespaceURI(),
                oldNode.getPrefix(),
                oldNode.getLocalName(),
                oldNode.getNodeName(),
                oldNode.getNodeValue());
      break;

    case Node.DOCUMENT_NODE:
      return;

    case Node.ELEMENT_NODE:
      Element oldElt = (Element) copyNode;

      /*
      String oldSystemId = _systemId;
      String oldFilename = _filename;
      int oldLine = _line;

      _systemId = oldElt.getBaseURI();
      _filename = oldElt.getFilename();
      _line = oldElt.getLine();

      if (generateLocation)
        _xmlWriter.setLocation(.getFilename(), oldElt.getLine(), 0);
      */

      startElement(oldElt.getNamespaceURI(),
                   oldElt.getPrefix(),
                   oldElt.getLocalName(),
                   oldElt.getNodeName());

      /*
      _systemId = oldSystemId;
      _filename = oldFilename;
      _line = oldLine;
      */
      break;

    case Node.COMMENT_NODE:
      _xmlWriter.comment(((Comment) copyNode).getData());
      break;

    case Node.TEXT_NODE:
      /*
      if (generateLocation)
        _xmlWriter.setLocation(((QAbstractNode) copyNode).getFilename(),
                              ((QAbstractNode) copyNode).getLine(),
                              0);
      */
      _text.append(((Text) copyNode).getData());
      break;

    case Node.PROCESSING_INSTRUCTION_NODE:
      ProcessingInstruction oldPi = (ProcessingInstruction) copyNode;

      _xmlWriter.processingInstruction(oldPi.getNodeName(), oldPi.getNodeValue());
      break;
    }
  }

  /**
   * Pops the copy.
   */
  public void popCopy(Node copyNode)
   throws IOException, SAXException
  {
    if (copyNode.getNodeType() == Node.ELEMENT_NODE) {
      popText();
      popElement();
    }
  }

  public void pushPi()
    throws IOException, SAXException
  {
    popText();
  }
  /**
   * Sets the PI data to the current text, and sets the current node
   * to the parent.
   */
  public void popPi(String name)
   throws IOException, SAXException
  {
    _xmlWriter.processingInstruction(name, _text.toString());
    _text.clear();
  }

  /**
   * Adds an empty comment to the current node, making
   * the attribute the current node.
   */
  public void pushComment()
   throws IOException, SAXException
  {
    popText();
  }

  /**
   * Sets the comment data to the current text, and sets the current
   * to the the parent.
   */
  public void popComment()
   throws IOException, SAXException
  {
    _xmlWriter.comment(_text.toString());
    
    _text.clear();
  }

  /**
   * Starts a fragment.  The fragment becomes the current node.
   */
  public XMLWriter pushFragment()
   throws IOException, SAXException
  {
    popText();

    DOMBuilder domBuilder = new DOMBuilder();

    if (_document == null)
      _document = Xml.createDocument();
    domBuilder.init(_document.createDocumentFragment());
    domBuilder.setDocumentLocator(_locator);

    XMLWriter oldWriter = _xmlWriter;
    _xmlWriter = domBuilder;

    return oldWriter;
  }

  /**
   * Returns the generated fragment. The current node does not contain
   * the new fragment.
   *
   * @return the generated fragment.
   */
  public Node popFragment(XMLWriter oldWriter)
   throws IOException, SAXException
  {
    popText();

    DOMBuilder domBuilder = (DOMBuilder) _xmlWriter;

    _xmlWriter = oldWriter;

    domBuilder.endDocument();
    Node node = domBuilder.getNode();

    return node;
  }

  /**
   * Adds a the contents of the node to the current node.
   *
   * @param node node to print
   */
  public void valueOf(Object node)
   throws IOException, SAXException
  {
    if (node == null)
      return;
    else if (node instanceof Element || node instanceof DocumentFragment) {
      Node elt = (Node) node;
      for (Node child = elt.getFirstChild();
	   child != null;
	   child = child.getNextSibling()) {
	elementValueOf(child);
      }
    }
    else if (node instanceof Text) {
      String data = ((Text) node).getNodeValue();
      for (int i = 0; i < data.length(); i++) {
	if (! XmlChar.isWhitespace(data.charAt(i))) {
	  print(data);
	  return;
	}
      }
      /*
      if (! _stylesheet.stripSpaces(((Node) node).getParentNode()))
      */
      print(data);
    }
    else if (node instanceof Node) {
      print(((QAbstractNode) node).getNodeValue());
    }
    else if (node instanceof NodeList) {
      NodeList list = (NodeList) node;
      Node value = list.item(0);

      if (value != null)
        valueOf(value);
    }
    else if (node instanceof ArrayList) {
      ArrayList list = (ArrayList) node;
      if (list.size() > 0)
        valueOf(list.get(0));
    }
    else if (node instanceof Iterator) {
      Iterator list = (Iterator) node;
      valueOf(list.next());
    }
    else if (node instanceof Double) {
      Double d = (Double) node;
      double dValue = d.doubleValue();

      if ((int) dValue == dValue)
	print((int) dValue);
      else
	print(dValue);
    }
    else
      print(node);
  }

  /**
   * Adds a the contents of the node to the current node.
   *
   * @param node node to print
   */
  private void elementValueOf(Node node)
   throws IOException, SAXException
  {
    if (node == null)
      return;
    else if (node instanceof Element) {
      Element elt = (Element) node;
      for (Node child = elt.getFirstChild();
	   child != null;
	   child = child.getNextSibling()) {
	elementValueOf(child);
      }
    }
    else if (node instanceof Text) {
      String data = ((Text) node).getNodeValue();
      for (int i = 0; i < data.length(); i++) {
	if (! XmlChar.isWhitespace(data.charAt(i))) {
	  print(data);
	  return;
	}
      }
      /*
      if (! _stylesheet.stripSpaces(node.getParentNode()))
      */
      print(data);
    }
  }

  /**
   * Adds a deep copy of the node to the current node.
   *
   * @param XPath node to be copied to the destination.
   */
  public void copyOf(Object value)
    throws IOException, SAXException, XPathException
  {