Examples of org.eclipse.jface.text.rules.FastPartitioner

org.eclipse.jface.text.rules.FastPartitioner
A standard implementation of a document partitioner. It uses an {@link IPartitionTokenScanner} to scan the document and to determine thedocument's partitioning. The tokens returned by the scanner must return the partition type as their data. The partitioner remembers the document's partitions in the document itself rather than maintaining its own data structure.
To reduce array creations in {@link IDocument#getPositions(String)}, the positions get cached. The cache is cleared after updating the positions in {@link #documentChanged2(DocumentEvent)}. Subclasses need to call {@link #clearPositionCache()} after modifying the partitioner's positions.The cached positions may be accessed through {@link #getPositions()}.
@see IPartitionTokenScanner @since 3.1

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

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            finalResult = result;
        }
        finalResult = finalResult.replace('|', ' ');


        PyPartitionScanner pyPartitionScanner = new PyPartitionScanner();
        FastPartitioner fastPartitioner = new FastPartitioner(pyPartitionScanner, IPythonPartitions.types);
        Document doc = new Document(result);
        fastPartitioner.connect(doc);


        TextPresentation textPresentation = new TextPresentation();
        PyCodeScanner scanner = new PyCodeScanner(colorCache);
        try {
            ITypedRegion[] computePartitioning = fastPartitioner.computePartitioning(0, doc.getLength());
            for (ITypedRegion region : computePartitioning) {
                String type = region.getType();
                int offset = region.getOffset();
                int len = region.getLength();
                if (IPythonPartitions.PY_DEFAULT.equals(type) || type == null) {
                    createDefaultRanges(textPresentation, scanner, doc, offset, len);


                } else if (IPythonPartitions.PY_COMMENT.equals(type)) {
                    TextAttribute textAttribute = colorCache.getCommentTextAttribute();
                    textPresentation.addStyleRange(new StyleRange(offset, len, textAttribute.getForeground(), null,
                            textAttribute.getStyle()));


                } else if (IPythonPartitions.PY_BACKQUOTES.equals(type)) {
                    TextAttribute textAttribute = colorCache.getBackquotesTextAttribute();
                    textPresentation.addStyleRange(new StyleRange(offset, len, textAttribute.getForeground(), null,
                            textAttribute.getStyle()));


                } else if (IPythonPartitions.PY_MULTILINE_STRING1.equals(type)
                        || IPythonPartitions.PY_MULTILINE_STRING2.equals(type)
                        || IPythonPartitions.PY_SINGLELINE_STRING1.equals(type)
                        || IPythonPartitions.PY_SINGLELINE_STRING2.equals(type)) {
                    TextAttribute textAttribute = colorCache.getStringTextAttribute();
                    textPresentation.addStyleRange(new StyleRange(offset, len, textAttribute.getForeground(), null,
                            textAttribute.getStyle()));
                }
            }
        } finally {
            fastPartitioner.disconnect();
        }


        if (showSpacesAndNewLines) {
            for (int i = 0; i < result.length(); i++) {
                char curr = result.charAt(i);

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            IDocumentExtension3 docExtension = (IDocumentExtension3) document;
            IDocumentPartitioner curr = docExtension.getDocumentPartitioner(IPythonPartitions.PYTHON_PARTITION_TYPE);


            if (curr == null) {
                //set the new one
                FastPartitioner partitioner = createPyPartitioner();
                partitioner.connect(document);
                docExtension.setDocumentPartitioner(IPythonPartitions.PYTHON_PARTITION_TYPE, partitioner);
                return partitioner;
            } else {
                return curr;
            }

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  protected IDocument createDocument(Object element) throws CoreException {
    IDocument document = super.createDocument(element);
    if (document != null) {
      IDocumentPartitioner partitioner =
        new FastPartitioner(
          new XMLPartitionScanner(),
          new String[] {
            XMLPartitionScanner.XML_TAG,
            XMLPartitionScanner.XML_COMMENT });
      partitioner.connect(document);
      document.setDocumentPartitioner(partitioner);
    }
    return document;
  }

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     */
    public void setup(IDocument document) {
        if (document instanceof IDocumentExtension3) {
            IDocumentExtension3 extension3 = (IDocumentExtension3) document;
            IDocumentPartitioner partitioner =
                new FastPartitioner(apexPartitionScanner, ApexPartitionScanner.APEX_PARTITION_TYPES);
            extension3.setDocumentPartitioner(ApexSourceViewerConfiguration.APEX_PARTITIONING, partitioner);
            partitioner.connect(document);
        }
    }

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            }
        });
        IDocument document = new Document(getProcessImports());
        globalsViewer.setDocument(document);
        IDocumentPartitioner partitioner =
            new FastPartitioner(
                new DRLPartionScanner(),
                DRLPartionScanner.LEGAL_CONTENT_TYPES);
        partitioner.connect(document);
        document.setDocumentPartitioner(partitioner);
        globalsViewer.getControl().addKeyListener(new KeyListener() {
            public void keyPressed(KeyEvent e) {
                if (e.character == ' ' && e.stateMask == SWT.CTRL) {
                    globalsViewer.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);

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            }
        });
        IDocument document = new Document();
        constraintViewer.setDocument(document);
        IDocumentPartitioner partitioner =
            new FastPartitioner(
                new DRLPartionScanner(),
                DRLPartionScanner.LEGAL_CONTENT_TYPES);
        partitioner.connect(document);
        document.setDocumentPartitioner(partitioner);
        constraintViewer.getControl().addKeyListener(new KeyListener() {
            public void keyPressed(KeyEvent e) {
                if (e.character == ' ' && e.stateMask == SWT.CTRL) {
                    constraintViewer.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);

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            }
        });
        IDocument document = new Document(getProcessImports());
        importsViewer.setDocument(document);
        IDocumentPartitioner partitioner =
            new FastPartitioner(
                new DRLPartionScanner(),
                DRLPartionScanner.LEGAL_CONTENT_TYPES);
        partitioner.connect(document);
        document.setDocumentPartitioner(partitioner);
        importsViewer.getControl().addKeyListener(new KeyListener() {
            public void keyPressed(KeyEvent e) {
                if (e.character == ' ' && e.stateMask == SWT.CTRL) {
                    importsViewer.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);

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            value = "";
        }
        IDocument document = new Document(value);
        constraintViewer.setDocument(document);
        IDocumentPartitioner partitioner =
            new FastPartitioner(
                new DRLPartionScanner(),
                DRLPartionScanner.LEGAL_CONTENT_TYPES);
        partitioner.connect(document);
        document.setDocumentPartitioner(partitioner);
        constraintViewer.getControl().addKeyListener(new KeyListener() {
            public void keyPressed(KeyEvent e) {
                if (e.character == ' ' && e.stateMask == SWT.CTRL) {
                    constraintViewer.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);

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

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