Examples of processing.xml.XMLElement

processing.xml.XMLElement
ml.cyberelf.be/">http://nanoxml.cyberelf.be/. Some interfaces to the code have been changed, and the package naming has been altered, however it should be clear that this code is almost entirely his work, with no connection to the Processing project.
The intent of this library (with regard to Processing) is to provide an extremely simple (and compact) means of reading and writing XML data from a sketch. As such, this is not a full-featured library for handling XML data. For those who need it, more sophisticated libraries are available, and there are no plans to add significant new features to this library. import processing.xml.*; XMLElement xml = new XMLElement("filename.xml", this); int childCount = xml.getChildCount(); for (int i = 0; i < childCount; i++) { XMLElement kid = xml.getChild(i); float attr = kid.getFloatAttribute("some-attribute"); println("some-attribute is " + attr); } @author Marc De Scheemaecker<cyberelf@mac.com>

   */
  protected void initEffect(String filename) {
    initEffectCommon();


    filename = filename.replace('\\', '/');
    XMLElement xml = new XMLElement(parent, filename);


    loadXML(xml);


    initShader(filename, false);
  }

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    initEffectCommon();


    try {
      String xmlText = PApplet
          .join(PApplet.loadStrings(url.openStream()), "\n");
      XMLElement xml = new XMLElement(xmlText);
      loadXML(xml);
    } catch (IOException e) {
      System.err.println("Error loading effect: " + e.getMessage());
    }

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  protected void loadXML(XMLElement xml) {
    // Parsing xml configuration.


    int n = xml.getChildCount();
    String name;
    XMLElement child;
    vertexFN = geometryFN = fragmentFN = "";
    for (int i = 0; i < n; i++) {
      child = xml.getChild(i);
      name = child.getName();
      if (name.equals("description")) {
        description = child.getContent();
      } else if (name.equals("vertex")) {
        // vertexFN = fixShaderFilename(child.getContent(), rootPath);
        vertexFN = child.getContent();
      } else if (name.equals("geometry")) {
        // geometryFN = fixShaderFilename(child.getContent(), rootPath);
        geometryFN = child.getContent();
        inGeoPrim = child.getString("input");
        outGeoPrim = child.getString("output");
        maxNumOutVert = child.getInt("vertcount");
      } else if (name.equals("fragment")) {
        // fragmentFN = fixShaderFilename(child.getContent(), rootPath);
        fragmentFN = child.getContent();
      } else if (name.equals("textures")) {
        loadTextures(child);
      } else if (name.equals("vertexattribs")) {
        loadVertAttribs(child);
      } else if (name.equals("parameters")) {

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    int n = xml.getChildCount();
    numTextures = n;
    texNameArray = new String[numTextures];
    texUnitUniform = new int[numTextures];


    XMLElement child;
    String name, texName, valueStr;
    int texUnit;
    for (int i = 0; i < n; i++) {
      child = xml.getChild(i);
      name = child.getName();
      if (name.equals("texture")) {
        texName = child.getString("name");
        valueStr = child.getContent();
        texUnit = PApplet.parseInt(PApplet.split(valueStr, ' '))[0];
        texHashMap.put(texName, new Integer(texUnit));
        texNameArray[i] = texName;
      }
    }

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  protected void loadVertAttribs(XMLElement xml) {
    int n = xml.getChildCount();
    numVertAttribs = n;
    vertAttribArray = new GLModelEffectVertexAttrib[numVertAttribs];


    XMLElement child;
    String name;
    String attrName, attrTypeStr, attrValueStr, attrLabelStr;
    int attrType;
    GLModelEffectVertexAttrib attrib;
    for (int i = 0; i < n; i++) {
      child = xml.getChild(i);
      name = child.getName();
      if (name.equals("vertexattrib")) {
        float[] attrValue;
        attrName = child.getString("name");
        attrTypeStr = child.getString("type");
        attrLabelStr = child.getString("label");
        attrValueStr = child.getContent();
        attrType = GLModelEffectVertexAttrib.getType(attrTypeStr);


        attrValue = PApplet.parseFloat(PApplet.split(attrValueStr, ' '));


        if ((-1 < attrType) && !paramsHashMap.containsKey(attrName)) {

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  protected void loadParams(XMLElement xml) {
    int n = xml.getChildCount();
    numParams = n;
    paramsArray = new GLModelEffectParameter[numParams];


    XMLElement child;
    String name;
    String parName, parTypeStr, parValueStr, parLabelStr;
    int parType;
    GLModelEffectParameter param;
    for (int i = 0; i < n; i++) {
      child = xml.getChild(i);
      name = child.getName();
      if (name.equals("parameter")) {
        float[] parValue;
        parName = child.getString("name");
        parTypeStr = child.getString("type");
        parLabelStr = child.getString("label");
        parValueStr = child.getContent();
        parType = GLModelEffectParameter.getType(parTypeStr);


        parValue = PApplet.parseFloat(PApplet.split(parValueStr, ' '));


        if ((-1 < parType) && !paramsHashMap.containsKey(parName)) {

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     * menu elements we can find.
     */
    Stack s = new Stack();
    try
    {
      s.push(new XMLElement(in));
      while (!s.isEmpty())
      {
        XMLElement curEl = (XMLElement) s.pop();
        if (curEl.getName().equalsIgnoreCase("menu"))
        {
          // If curEl is a menu, parse it and add it to the ArrayList.
          menus.add(menuElement(null, curEl));
        } else
        {
          // If not, keep going through the XML tree and search for
          // more <menu> elements.
          Enumeration en = curEl.enumerateChildren();
          while (en.hasMoreElements())
          {
            s.push(en.nextElement());
          }
        }

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     * children and call menuElement() on each one.
     */
    XMLElement[] els = el.getChildren();
    for (int i = 0; i < els.length; i++)
    {
      XMLElement child = els[i];
      menuElement(newItem, child);
    }
    return newItem;
  }

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