Bug 305391 - encoding change event is not handled

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/DeltaProcessor.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2002, 2008 IBM Corporation and others.
+ * Copyright (c) 2002, 2010 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -339,7 +339,9 @@ final class DeltaProcessor {
 		} else if (element instanceof Openable) {
 			close((Openable)element);
 		}
+		
 		fCurrentDelta.changed(element, ICElementDelta.F_CONTENT);
+	
 	}
 
 	/**
@@ -629,6 +631,10 @@ final class DeltaProcessor {
 							}
 						}
 					}
+				} else if ((flags & IResourceDelta.ENCODING) != 0) {
+					if (element != null) {
+						elementChanged(element, delta);
+					}
 				}
 				return true;
 		}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/indexer/FileEncodingRegistry.java

@@ -0,0 +1,87 @@
+/*******************************************************************************
+ * Copyright (c) 2010 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * IBM Rational Software - Initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.cdt.internal.core.indexer;
+
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.util.Map;
+import java.util.TreeMap;
+
+/**
+ * this class is a registry which maps file name and file's encoding, the class
+ * is used by standalone indexer
+ * 
+ * @author johnliu
+ * 
+ */
+public class FileEncodingRegistry implements Serializable {
+
+	private Map<String, String> fFilePathToEncodingMap = null;
+	private String defaultEncoding;
+
+	public FileEncodingRegistry(String defaultEncoding) {
+		this.defaultEncoding = defaultEncoding;
+		fFilePathToEncodingMap = new TreeMap<String, String>();
+	}
+
+	
+	public void setDefaultEncoding(String newDefaultEncoding) {
+		defaultEncoding = newDefaultEncoding;
+
+	}
+
+	public void registerFileEncoding(String filename, String encoding) {
+		if (fFilePathToEncodingMap != null) {
+			fFilePathToEncodingMap.put(filename, encoding);
+		}
+
+	}
+
+	public void unregisterFile(String filename) {
+		if (fFilePathToEncodingMap != null) {
+			fFilePathToEncodingMap.remove(filename);
+		}
+
+	}
+
+	public String getFileEncoding(String filename) {
+		String fileEncoding = null;
+		if (fFilePathToEncodingMap != null) {
+			fileEncoding = fFilePathToEncodingMap.get(filename);
+		}
+		if (fileEncoding != null) {
+			return fileEncoding;
+
+		} else {
+			return defaultEncoding;
+		}
+	}
+
+	public void clear() {
+		if (fFilePathToEncodingMap != null) {
+			fFilePathToEncodingMap.clear();
+		}
+		fFilePathToEncodingMap = null;
+		defaultEncoding = null;
+
+	}
+
+	// send as little over the wire as possible
+	private void writeObject(ObjectOutputStream out) throws IOException {
+		if (fFilePathToEncodingMap != null && fFilePathToEncodingMap.isEmpty()) {
+			fFilePathToEncodingMap = null;
+		}
+		out.defaultWriteObject();
+	}
+
+}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/indexer/StandaloneFastIndexer.java

@@ -54,9 +54,9 @@ public class StandaloneFastIndexer extends StandaloneIndexer {
 	 */
 	@Deprecated
 	public StandaloneFastIndexer(File writableIndexFile, IIndexLocationConverter converter, Map<String, IPDOMLinkageFactory> linkageFactoryMappings,
-			IScannerInfo scanner, ILanguageMapper mapper, IParserLogService log) throws CoreException {
+			IScannerInfo scanner, FileEncodingRegistry fileEncodingRegistry, ILanguageMapper mapper, IParserLogService log) throws CoreException {
 		super(new WritableCIndex(new WritablePDOM(writableIndexFile, converter, linkageFactoryMappings),new IIndexFragment[0]), 
-				false, mapper, log, scanner);
+				false, mapper, log, scanner, fileEncodingRegistry);
 	
 	}
 	
@@ -71,9 +71,9 @@ public class StandaloneFastIndexer extends StandaloneIndexer {
 	 * @throws CoreException
 	 */
 	public StandaloneFastIndexer(File writableIndexFile, IIndexLocationConverter converter, Map<String, IPDOMLinkageFactory> linkageFactoryMappings,
-			IStandaloneScannerInfoProvider scannerProvider, ILanguageMapper mapper, IParserLogService log) throws CoreException {
+			IStandaloneScannerInfoProvider scannerProvider, FileEncodingRegistry fileEncodingRegistry, ILanguageMapper mapper, IParserLogService log) throws CoreException {
 		super(new WritableCIndex(new WritablePDOM(writableIndexFile, converter, linkageFactoryMappings),new IIndexFragment[0]), 
-				false, mapper, log, scannerProvider);
+				false, mapper, log, scannerProvider, fileEncodingRegistry);
 	
 	}
 	
@@ -87,9 +87,9 @@ public class StandaloneFastIndexer extends StandaloneIndexer {
 	 * @throws CoreException
 	 */
 	public StandaloneFastIndexer(File writableIndexFile, IIndexLocationConverter converter, Map<String, IPDOMLinkageFactory> linkageFactoryMappings,
-			ILanguageMapper mapper, IParserLogService log) throws CoreException {
+			FileEncodingRegistry fileEncodingRegistry, ILanguageMapper mapper, IParserLogService log) throws CoreException {
 		super(new WritableCIndex(new WritablePDOM(writableIndexFile, converter, linkageFactoryMappings),new IIndexFragment[0]), 
-				false, mapper, log, (IStandaloneScannerInfoProvider)null);
+				false, mapper, log, (IStandaloneScannerInfoProvider)null, fileEncodingRegistry);
 	
 	}
 	

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/indexer/StandaloneFullIndexer.java

@@ -60,9 +60,9 @@ public class StandaloneFullIndexer extends StandaloneIndexer{
 	 */
 	@Deprecated
 	public StandaloneFullIndexer(File writableIndexFile, IIndexLocationConverter converter, Map<String, IPDOMLinkageFactory> linkageFactoryMappings,
-			IScannerInfo scanner, ILanguageMapper mapper, IParserLogService log, AbstractCodeReaderFactory codeReaderFactory) throws CoreException {
+			IScannerInfo scanner, FileEncodingRegistry fileEncodingRegistry, ILanguageMapper mapper, IParserLogService log, AbstractCodeReaderFactory codeReaderFactory) throws CoreException {
 		super(new WritableCIndex(new WritablePDOM(writableIndexFile, converter, linkageFactoryMappings),new IIndexFragment[0]), 
-				false, mapper, log, scanner);
+				false, mapper, log, scanner, fileEncodingRegistry);
 		fCodeReaderFactory = codeReaderFactory;
 	}
 	
@@ -79,9 +79,9 @@ public class StandaloneFullIndexer extends StandaloneIndexer{
 	 * @throws CoreException
 	 */
 	public StandaloneFullIndexer(File writableIndexFile, IIndexLocationConverter converter, Map<String, IPDOMLinkageFactory> linkageFactoryMappings,
-			IStandaloneScannerInfoProvider scannerProvider, ILanguageMapper mapper, IParserLogService log, AbstractCodeReaderFactory codeReaderFactory) throws CoreException {
+			IStandaloneScannerInfoProvider scannerProvider, FileEncodingRegistry fileEncodingRegistry, ILanguageMapper mapper, IParserLogService log, AbstractCodeReaderFactory codeReaderFactory) throws CoreException {
 		super(new WritableCIndex(new WritablePDOM(writableIndexFile, converter, linkageFactoryMappings),new IIndexFragment[0]), 
-				false, mapper, log, scannerProvider);
+				false, mapper, log, scannerProvider, fileEncodingRegistry);
 		fCodeReaderFactory = codeReaderFactory;
 	}
 	

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/indexer/StandaloneIndexer.java

@@ -164,32 +164,34 @@ public abstract class StandaloneIndexer {
 		}
 	};
 	
+	protected FileEncodingRegistry fFileEncodingRegistry;
+	
 	/**
 	 * @deprecated Its better to provide a scanner info provider instead.
 	 */
 	@Deprecated
 	public StandaloneIndexer(IWritableIndex index, boolean indexAllFiles,  
-			                 ILanguageMapper mapper, IParserLogService log, IScannerInfo scanner) {
+			                 ILanguageMapper mapper, IParserLogService log, IScannerInfo scanner, FileEncodingRegistry fileEncodingRegistry) {
 		fIndex = index;
 		fIndexAllFiles = indexAllFiles;
 		fMapper = mapper;
 		fLog = log;	
 		fScanner = scanner;
 		fScannerInfoProvider = null;
-		
+		fFileEncodingRegistry = fileEncodingRegistry;
 		setupASTFilePathResolver();
 	}
 	
 	
 	public StandaloneIndexer(IWritableIndex index, boolean indexAllFiles,  
-            ILanguageMapper mapper, IParserLogService log, IStandaloneScannerInfoProvider scannerProvider) {
+            ILanguageMapper mapper, IParserLogService log, IStandaloneScannerInfoProvider scannerProvider, FileEncodingRegistry fileEncodingRegistry) {
 		fIndex = index;
 		fIndexAllFiles = indexAllFiles;
 		fMapper = mapper;
 		fLog = log;	
 		fScanner = null;
 		fScannerInfoProvider = scannerProvider;
-		
+		fFileEncodingRegistry = fileEncodingRegistry;
 		setupASTFilePathResolver();
 	}
 	
@@ -517,4 +519,18 @@ public abstract class StandaloneIndexer {
 	public void setExclusionFilter(FilenameFilter exclusionFilter) {
 		fExclusionFilter = exclusionFilter;
 	}
+
+
+	public FileEncodingRegistry getFileEncodingRegistry() {
+		return fFileEncodingRegistry;
+	}
+
+
+	public void setFileEncodingRegistry(FileEncodingRegistry fileEncodingRegistry) {
+		fFileEncodingRegistry = fileEncodingRegistry;
+	}
+	
+	
+	
+	
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/indexer/StandaloneIndexerInputAdapter.java

@@ -17,6 +17,7 @@ import java.util.HashMap;
 import org.eclipse.cdt.core.index.IIndexFileLocation;
 import org.eclipse.cdt.core.model.AbstractLanguage;
 import org.eclipse.cdt.core.model.ILanguage;
+import org.eclipse.cdt.core.parser.CodeReader;
 import org.eclipse.cdt.core.parser.FileContent;
 import org.eclipse.cdt.core.parser.IScannerInfo;
 import org.eclipse.cdt.internal.core.index.IndexFileLocation;
@@ -129,8 +130,25 @@ public class StandaloneIndexerInputAdapter extends IndexerInputAdapter {
 
 	@Override
 	public FileContent getCodeReader(Object tu) {
+		try {
+			String stu = (String) tu;
+			String fileEncoding = null;
+            // query file's encoding, if we find it and use it to create CodeReader
+			FileEncodingRegistry fileEncodingRegistry = fIndexer.getFileEncodingRegistry();
+			if(fileEncodingRegistry != null){
+				fileEncoding = fileEncodingRegistry.getFileEncoding(stu);
+			}
+
+			if (fileEncoding != null) {
+				// TODO this is bad
+				return FileContent.adapt(new CodeReader(stu, fileEncoding));
+			} else {
 				return FileContent.createForExternalFileLocation((String) tu);
 			}
+		} catch (IOException e) {
+		}
+		return null;
+	}
 
 	@Override
 	public Object getInputFile(IIndexFileLocation location) {