Examples of org.eclipse.jface.text.IDocumentPartitioner

org.eclipse.jface.text.IDocumentPartitioner
A document partitioner divides a document into a set of disjoint text partitions. Each partition has a content type, an offset, and a length. The document partitioner is connected to one document and informed about all changes of this document before any of the document's document listeners. A document partitioner can thus incrementally update on the receipt of a document change event.
In order to provided backward compatibility for clients of IDocumentPartitioner, extension interfaces are used to provide a means of evolution. The following extension interfaces exist:
- {@link org.eclipse.jface.text.IDocumentPartitionerExtension} since version 2.0 replacingthe documentChanged method with a new one returning the minimal document region comprising all partition changes.
- {@link org.eclipse.jface.text.IDocumentPartitionerExtension2} since version 3.0introducing zero-length partitions in conjunction with the distinction between open and closed partitions. Also provides inside in the implementation of the partitioner by exposing the position category used for managing the partitioning information.
- {@link org.eclipse.jface.text.IDocumentPartitionerExtension3} since version 3.1 introducingrewrite session. It also replaces the existing {@link #connect(IDocument)} method witha new one: {@link org.eclipse.jface.text.IDocumentPartitionerExtension3#connect(IDocument,boolean)}.
Clients may implement this interface and its extension interfaces or use the standard implementation DefaultPartitioner.
@see org.eclipse.jface.text.IDocumentPartitionerExtension @see org.eclipse.jface.text.IDocumentPartitionerExtension2 @see org.eclipse.jface.text.IDocument

     * @return
     *      the Document Partitioner
     */
    private IDocumentPartitioner createDocumentPartitioner()
    {
        IDocumentPartitioner partitioner = new FastPartitioner( new LdifPartitionScanner(), new String[]
            { LdifPartitionScanner.LDIF_RECORD } );
        return partitioner;
    }

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public class XMLDocumentProvider extends FileDocumentProvider {


    protected IDocument createDocument(Object element) throws CoreException {
        IDocument document = super.createDocument(element);
        if (document != null) {
            IDocumentPartitioner partitioner = new DefaultPartitioner(new XMLPartitionScanner(),
                    new String[] {XMLPartitionScanner.XML_TAG, XMLPartitionScanner.XML_COMMENT});
            partitioner.connect(document);
            document.setDocumentPartitioner(partitioner);
            // document.addDocumentListener(new IDocumentListener() {
            //                
            // public void documentAboutToBeChanged(DocumentEvent event) {
            // }

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      if (setDocumentContent(document, (IEditorInput) element, getEncoding(element))) {
        setupDocument(element, document);
      }
    }
    if (document != null) {
      IDocumentPartitioner partitioner = new FastPartitioner(
          new QVTPartitionScanner(),
          new String[] { QVTPartitionScanner.MM_DECLARATION,QVTPartitionScanner.MM_COMMENT});
      partitioner.connect(document);
      document.setDocumentPartitioner(QVTDocument.QVT_PARTITIONING,partitioner);
    }
    return document;
  }

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  @Override
  protected IDocument createDocument(Object element) throws CoreException {
    IDocument document = super.createDocument(element);
    if (document != null) {
      IDocumentPartitioner partitioner =
        new FastPartitioner(
          new PartitionScanner(),
          PartitionType.PARTITION_TYPES);
      partitioner.connect(document);
      document.setDocumentPartitioner(partitioner);
    }
    return document;
  }

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public class GherkinDocumentProvider extends FileDocumentProvider {


  protected IDocument createDocument(Object element) throws CoreException {
    IDocument document = super.createDocument(element);
    if (document != null) {
      IDocumentPartitioner partitioner =
        new GherkinPartitioner(
          new GherkinPartitionScanner(),
          new String[] {
            GherkinPartitionScanner.GHERKIN_TAG,
            GherkinPartitionScanner.GHERKIN_COMMENT });
      partitioner.connect(document);
      document.setDocumentPartitioner(partitioner);
    }
    return document;
  }

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  protected IDocument createDocument(Object element) throws CoreException {
    
    IDocument document = super.createDocument(element);
    if (document != null) {
      
      IDocumentPartitioner partitioner = new FastPartitioner(
          new ParameterFilePartitionScanner(), new String[] {
              ParameterFilePartitionScanner.PARAMETER_COMMENT,
              ParameterFilePartitionScanner.PARAMETER_NAME,
              ParameterFilePartitionScanner.PARAMETER_VALUE,
              ParameterFilePartitionScanner.PARAMETER_EMPTY });
      partitioner.connect(document);
      document.setDocumentPartitioner(partitioner);
      
      // Associate this IDocument with a ParameterTree model object.
      parameterTree = new ParameterTree(document);
    }

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  @Override
  public void setup(IDocument document) {
    if (document != null) {


      IDocumentPartitioner partitioner = new FastPartitioner(
          new ParameterFilePartitionScanner(), new String[] {
              ParameterFilePartitionScanner.PARAMETER_COMMENT,
              ParameterFilePartitionScanner.PARAMETER_NAME,
              ParameterFilePartitionScanner.PARAMETER_VALUE,
              ParameterFilePartitionScanner.PARAMETER_EMPTY });
      partitioner.connect(document);
      document.setDocumentPartitioner(partitioner);
    }
  }

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      }


    }
    if (document != null) {
      HdlPartitionScanner scanner = document.createPartitionScanner();
      IDocumentPartitioner partitioner = new FastPartitioner(scanner,
          HdlPartitionScanner.getContentTypes());
      partitioner.connect(document);
      document.setDocumentPartitioner(partitioner);
    }
    return document;
  }

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    if(info==null){
      info = createEmptyFileInfo();
    }
    IDocument document = info.fTextFileBuffer.getDocument();
    if (document != null) {
      IDocumentPartitioner partitioner =
        new FastPartitioner(
            new JavaScriptPartitionScanner(),
            new String[]{
                JavaScriptPartitionScanner.JS_COMMENT
            });
      partitioner.connect(document);
      document.setDocumentPartitioner(partitioner);
    }
    return info;
  }

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  @Override
  public IDocument createDocument(Object element) throws CoreException {
    IDocument document = super.createDocument(element);
    if (document != null) {
      IDocumentPartitioner partitioner =
        new FastPartitioner(
          new DTDPartitionScanner(),
          new String[] {
            HTMLPartitionScanner.HTML_TAG,
            HTMLPartitionScanner.HTML_COMMENT});
      partitioner.connect(document);
      document.setDocumentPartitioner(partitioner);
    }
    return document;
  }

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