bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/editor/SCLDocumentSetup.java

   1 package org.simantics.scl.ui.editor;
   2
   3 import org.eclipse.core.filebuffers.IDocumentSetupParticipant;
   4 import org.eclipse.jface.text.IDocument;
   5 import org.eclipse.jface.text.IDocumentExtension3;
   6 import org.eclipse.jface.text.IDocumentPartitioner;
   7 import org.eclipse.jface.text.rules.EndOfLineRule;
   8 import org.eclipse.jface.text.rules.FastPartitioner;
   9 import org.eclipse.jface.text.rules.IPredicateRule;
  10 import org.eclipse.jface.text.rules.MultiLineRule;
  11 import org.eclipse.jface.text.rules.PatternRule;
  12 import org.eclipse.jface.text.rules.RuleBasedPartitionScanner;
  13 import org.eclipse.jface.text.rules.Token;
  14
  15 public class SCLDocumentSetup implements IDocumentSetupParticipant {
  16
  17     public static final String COMMENT = "COMMENT";
  18     public static final String STRING = "STRING";
  19
  20     public static final String[] PARTITION_TYPES = new String[] {
  21         COMMENT, STRING
  22     };
  23
  24     public static final String SCL_PARTIONING = "SCL_PARTIONING";
  25
  26
  27     @Override
  28     public void setup(final IDocument document) {
  29         if(document instanceof IDocumentExtension3) {
  30             RuleBasedPartitionScanner scanner = new RuleBasedPartitionScanner();
  31             scanner.setPredicateRules(new IPredicateRule[] {
  32                     new MultiLineRule("/*", "*/", new Token(COMMENT)),
  33                     new EndOfLineRule("//", new Token(COMMENT)),
  34                     new MultiLineRule("\"\"\"", "\"\"\"", new Token(STRING), '\\'),
  35                     new PatternRule("\"", "\"", new Token(STRING), '\\', true),
  36             });
  37             IDocumentPartitioner partitioner = new FastPartitioner(scanner, PARTITION_TYPES);
  38             ((IDocumentExtension3)document).setDocumentPartitioner(SCL_PARTIONING, partitioner);
  39             partitioner.connect(document);
  40         }
  41     }
  42
  43 }