org.eclipse.cdt.core

Fixed Bug 43051 : Search: cannot specify relative search paths
	Fixed Bug 45140 : refactor IScanner to allow use of Readers of IResource

org.eclipse.cdt.core.tests
org.eclipse.cdt.ui
	Updates for new ISourceElementRequestor interface updates.

core/org.eclipse.cdt.core.tests/ChangeLog

@@ -1,3 +1,6 @@
+2004-02-25 John Camelon
+	Updates for new ISourceElementRequestor interface updates.  
+
 2004-02-25 John Camelon
 	Added ScannerTestCase::testGerman().  
 

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/CompleteParseBaseTest.java

@@ -10,6 +10,7 @@
 ***********************************************************************/
 package org.eclipse.cdt.core.parser.tests;
 
+import java.io.Reader;
 import java.io.StringReader;
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -30,6 +31,7 @@ import org.eclipse.cdt.core.parser.ParserFactory;
 import org.eclipse.cdt.core.parser.ParserFactoryError;
 import org.eclipse.cdt.core.parser.ParserLanguage;
 import org.eclipse.cdt.core.parser.ParserMode;
+import org.eclipse.cdt.core.parser.ParserUtil;
 import org.eclipse.cdt.core.parser.ScannerInfo;
 import org.eclipse.cdt.core.parser.ast.IASTASMDefinition;
 import org.eclipse.cdt.core.parser.ast.IASTAbstractTypeSpecifierDeclaration;
@@ -672,6 +674,13 @@ public class CompleteParseBaseTest extends TestCase
 			processReference( reference );
         }
 
+		/* (non-Javadoc)
+		 * @see org.eclipse.cdt.core.parser.ISourceElementRequestor#createReader(java.lang.String)
+		 */
+		public Reader createReader(String finalPath) {
+			return ParserUtil.createReader(finalPath);
+		}
+    
     }
     
     protected Iterator getNestedScopes( IASTCodeScope scope )

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ExprEvalTest.java

@@ -13,7 +13,7 @@ import org.eclipse.cdt.core.parser.ParserLanguage;
 import org.eclipse.cdt.core.parser.ScannerInfo;
 import org.eclipse.cdt.core.parser.ast.IASTExpression;
 import org.eclipse.cdt.internal.core.parser.IExpressionParser;
-import org.eclipse.cdt.internal.core.parser.InternalParserFactory;
+import org.eclipse.cdt.internal.core.parser.InternalParserUtil;
 
 public class ExprEvalTest extends TestCase {
 
@@ -28,7 +28,7 @@ public class ExprEvalTest extends TestCase {
 	public void runTest(String code, int expectedValue) throws Exception {
 		
 		final NullSourceElementRequestor nullCallback = new NullSourceElementRequestor();
-        IExpressionParser parser = InternalParserFactory.createExpressionParser(ParserFactory.createScanner( new StringReader( code ), getClass().getName(), new ScannerInfo(), null, ParserLanguage.CPP, nullCallback, new NullLogService() ), ParserLanguage.CPP, null );
+        IExpressionParser parser = InternalParserUtil.createExpressionParser(ParserFactory.createScanner( new StringReader( code ), getClass().getName(), new ScannerInfo(), null, ParserLanguage.CPP, nullCallback, new NullLogService() ), ParserLanguage.CPP, null );
 		IASTExpression expression = parser.expression(null);
 		assertEquals(expectedValue, expression.evaluateExpression());
 	}

core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/search/indexing/SourceIndexerRequestor.java

@@ -15,12 +15,14 @@ package org.eclipse.cdt.internal.core.search.indexing;
 * @author bgheorgh
 */
 
+import java.io.Reader;
 import java.util.LinkedList;
 
 import org.eclipse.cdt.core.parser.DefaultProblemHandler;
 import org.eclipse.cdt.core.parser.IProblem;
 import org.eclipse.cdt.core.parser.ISourceElementRequestor;
 import org.eclipse.cdt.core.parser.ParserMode;
+import org.eclipse.cdt.core.parser.ParserUtil;
 import org.eclipse.cdt.core.parser.ast.IASTASMDefinition;
 import org.eclipse.cdt.core.parser.ast.IASTAbstractTypeSpecifierDeclaration;
 import org.eclipse.cdt.core.parser.ast.IASTClassReference;
@@ -476,4 +478,10 @@ public class SourceIndexerRequestor implements ISourceElementRequestor, IIndexCo
 	private IASTInclusion peekInclude(){
 		return currentInclude;
 	}
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.parser.ISourceElementRequestor#createReader(java.lang.String)
+	 */
+	public Reader createReader(String finalPath) {
+		return ParserUtil.createReader(finalPath);
+	}
 }

core/org.eclipse.cdt.core/parser/ChangeLog-parser

@@ -1,3 +1,7 @@
+2004-02-25 John Camelon
+	Fixed Bug 43051 : Search: cannot specify relative search paths
+	Fixed Bug 45140 : refactor IScanner to allow use of Readers of IResource
+
 2004-02-25 John Camelon
 	Updated Scanner to allow for invalid identifier names despite C++'s best efforts at maintaining its honour.  
 

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/CodeReader.java

@@ -0,0 +1,38 @@
+/**********************************************************************
+ * Copyright (c) 2002-2004 IBM Canada and others.
+ * All rights reserved.   This program and the accompanying materials
+ * are made available under the terms of the Common Public License v0.5
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v05.html
+ * 
+ * Contributors: 
+ * IBM Rational Software - Initial API and implementation
+***********************************************************************/
+package org.eclipse.cdt.core.parser;
+
+import java.io.Reader;
+
+/**
+ * @author jcamelon
+ */
+public class CodeReader {
+	
+	public CodeReader( String filename, Reader reader )
+	{
+		this.reader = reader;
+		this.filename = filename;
+	}
+	
+	private final Reader reader;
+	private final String filename;
+
+	public String getFilename()
+	{
+		return filename;
+	}
+	
+	public Reader getUnderlyingReader()
+	{
+		return reader;
+	}
+}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/ISourceElementRequestor.java

@@ -10,6 +10,8 @@
 ***********************************************************************/
 package org.eclipse.cdt.core.parser;
 
+import java.io.Reader;
+
 import org.eclipse.cdt.core.parser.ast.IASTASMDefinition;
 import org.eclipse.cdt.core.parser.ast.IASTAbstractTypeSpecifierDeclaration;
 import org.eclipse.cdt.core.parser.ast.IASTClassReference;
@@ -102,4 +104,10 @@ public interface ISourceElementRequestor {
 	public void exitNamespaceDefinition( IASTNamespaceDefinition namespaceDefinition ); 
 	public void exitInclusion( IASTInclusion inclusion ); 
 	public void exitCompilationUnit( IASTCompilationUnit compilationUnit );
+
+	/**
+	 * @param finalPath
+	 * @return
+	 */
+	public Reader createReader(String finalPath);
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/NullSourceElementRequestor.java

@@ -1,5 +1,7 @@
 package org.eclipse.cdt.core.parser;
 
+import java.io.Reader;
+
 import org.eclipse.cdt.core.parser.ast.IASTASMDefinition;
 import org.eclipse.cdt.core.parser.ast.IASTAbstractTypeSpecifierDeclaration;
 import org.eclipse.cdt.core.parser.ast.IASTClassReference;
@@ -31,6 +33,7 @@ import org.eclipse.cdt.core.parser.ast.IASTUsingDeclaration;
 import org.eclipse.cdt.core.parser.ast.IASTUsingDirective;
 import org.eclipse.cdt.core.parser.ast.IASTVariable;
 import org.eclipse.cdt.core.parser.ast.IASTVariableReference;
+import org.eclipse.cdt.internal.core.parser.InternalParserUtil;
 
 
 public class NullSourceElementRequestor implements ISourceElementRequestor 
@@ -449,4 +452,11 @@ public class NullSourceElementRequestor implements ISourceElementRequestor
         // TODO Auto-generated method stub
         
     }
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.parser.ISourceElementRequestor#createReader(java.lang.String)
+	 */
+	public Reader createReader(String finalPath) {
+		return InternalParserUtil.createFileReader( finalPath );
+	} 
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/InternalParserUtil.java

@@ -10,6 +10,11 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.parser;
 
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.Reader;
+
 import org.eclipse.cdt.core.parser.IParserLogService;
 import org.eclipse.cdt.core.parser.IScanner;
 import org.eclipse.cdt.core.parser.ParserFactory;
@@ -19,7 +24,7 @@ import org.eclipse.cdt.core.parser.ParserLanguage;
 /**
  * @author jcamelon
  */
-public class InternalParserFactory extends ParserFactory {
+public class InternalParserUtil extends ParserFactory {
 
 	public static IExpressionParser createExpressionParser( IScanner scanner, ParserLanguage language, IParserLogService log ) throws ParserFactoryError
 	{
@@ -29,4 +34,21 @@ public class InternalParserFactory extends ParserFactory {
 		return new ExpressionParser( scanner, language, logService );
 	}
 
+	/**
+	 * @param finalPath
+	 * @return
+	 */
+	public static Reader createFileReader(String finalPath) {
+		File includeFile = new File(finalPath);
+		if (includeFile.exists() && includeFile.isFile()) 
+		{
+			//check and see 
+			try {
+				return new FileReader( includeFile);
+			} catch (FileNotFoundException fnf) {
+				
+			}
+		}
+		return null;
+	}
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/Scanner.java

@@ -11,8 +11,6 @@
 package org.eclipse.cdt.internal.core.parser.scanner;
 
 import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
 import java.io.IOException;
 import java.io.Reader;
 import java.io.StringReader;
@@ -28,6 +26,7 @@ import java.util.StringTokenizer;
 import java.util.Vector;
 
 import org.eclipse.cdt.core.parser.BacktrackException;
+import org.eclipse.cdt.core.parser.CodeReader;
 import org.eclipse.cdt.core.parser.Directives;
 import org.eclipse.cdt.core.parser.EndOfFileException;
 import org.eclipse.cdt.core.parser.IMacroDescriptor;
@@ -54,8 +53,8 @@ import org.eclipse.cdt.core.parser.ast.IASTExpression;
 import org.eclipse.cdt.core.parser.ast.IASTFactory;
 import org.eclipse.cdt.core.parser.ast.IASTInclusion;
 import org.eclipse.cdt.core.parser.extension.IScannerExtension;
-import org.eclipse.cdt.internal.core.parser.*;
-import org.eclipse.cdt.internal.core.parser.InternalParserFactory;
+import org.eclipse.cdt.internal.core.parser.IExpressionParser;
+import org.eclipse.cdt.internal.core.parser.InternalParserUtil;
 import org.eclipse.cdt.internal.core.parser.ast.ASTCompletionNode;
 import org.eclipse.cdt.internal.core.parser.token.KeywordSets;
 import org.eclipse.cdt.internal.core.parser.token.Token;
@@ -309,6 +308,7 @@ public class Scanner implements IScanner {
 					buffer.append( tokenizer.nextToken() );
 				}
 				file = new File( buffer.toString() );
+				path = buffer.toString();
 			}
 
 			if( file.exists() && file.isDirectory() )
@@ -496,9 +496,7 @@ public class Scanner implements IScanner {
 
 	protected void handleInclusion(String fileName, boolean useIncludePaths, int beginOffset, int startLine, int nameOffset, int nameLine, int endOffset, int endLine ) throws ScannerException {
 
-		FileReader inclusionReader = null;
-		String newPath = null;
-		
+		CodeReader duple = null;
 		totalLoop:	for( int i = 0; i < 2; ++i )
 		{
 			if( useIncludePaths ) // search include paths for this file
@@ -509,65 +507,33 @@ public class Scanner implements IScanner {
 				while (iter.hasNext()) {
 		
 					String path = (String)iter.next();
-					File pathFile = new File(path);
-					//TODO assert pathFile.isDirectory();				
-					StringBuffer buffer = new StringBuffer( pathFile.getPath() );
-					buffer.append( File.separatorChar );
-					buffer.append( fileName );
-					newPath = buffer.toString();
-					//TODO remove ".." and "." segments
-					File includeFile = new File(newPath);
-					if (includeFile.exists() && includeFile.isFile()) {
-						try {
-							inclusionReader = new FileReader(includeFile);
-							break totalLoop;
-						} catch (FileNotFoundException fnf) {
-							continue;
-						}
-					}
+					duple = createReaderDuple( path, fileName );
+					if( duple != null )
+						break totalLoop;
 				}
 				
-				if (inclusionReader == null )
+				if (duple == null )
 					handleProblem( IProblem.PREPROCESSOR_INCLUSION_NOT_FOUND, fileName, beginOffset, false, true );
 	
 			}
 			else // local inclusion
 			{
-				String currentFilename = scannerData.getContextStack().getCurrentContext().getFilename(); 
-				File currentIncludeFile = new File( currentFilename );
-				String parentDirectory = currentIncludeFile.getParentFile().getAbsolutePath();
-				currentIncludeFile = null; 
-				
-				StringBuffer buffer = new StringBuffer( parentDirectory );
-				buffer.append( File.separatorChar );
-				buffer.append( fileName );
-				newPath = buffer.toString();
-				//TODO remove ".." and "." segments 
-				File includeFile = new File( newPath );
-				if (includeFile.exists() && includeFile.isFile()) {
-					try {
-						inclusionReader = new FileReader(includeFile);
-						break totalLoop;
-					} catch (FileNotFoundException fnf) {
-						useIncludePaths = true;
-						continue totalLoop;
-					}
-				}
-				else
-				{
-					useIncludePaths = true;
-					continue totalLoop;
-				}
+				duple = createReaderDuple( new File( scannerData.getContextStack().getCurrentContext().getFilename() ).getParentFile().getAbsolutePath(), fileName );
+				if( duple != null )
+					break totalLoop;
+				useIncludePaths = true;
+				continue totalLoop;
 			}
 		}
-		if (inclusionReader != null) {
+		
+		if (duple!= null) {
 			IASTInclusion inclusion = null;
             try
             {
                 inclusion =
                     scannerData.getASTFactory().createInclusion(
                         fileName,
-                        newPath,
+                        duple.getFilename(),
                         !useIncludePaths,
                         beginOffset,
                         startLine,
@@ -581,7 +547,7 @@ public class Scanner implements IScanner {
 			
 			try
 			{
-				scannerData.getContextStack().updateContext(inclusionReader, newPath, ScannerContext.ContextKind.INCLUSION, inclusion, scannerData.getClientRequestor() );
+				scannerData.getContextStack().updateContext(duple.getUnderlyingReader(), duple.getFilename(), ScannerContext.ContextKind.INCLUSION, inclusion, scannerData.getClientRequestor() );
 			}
 			catch (ContextException e1)
 			{
@@ -2283,7 +2249,7 @@ public class Scanner implements IScanner {
 							EXPRESSION,
 							new ScannerInfo( scannerData.getDefinitions(), scannerData.getOriginalConfig().getIncludePaths()), 
 							ParserMode.QUICK_PARSE, scannerData.getLanguage(), new NullSourceElementRequestor(), nullLogService );
-	            parser = InternalParserFactory.createExpressionParser(trial, scannerData.getLanguage(), nullLogService);
+	            parser = InternalParserUtil.createExpressionParser(trial, scannerData.getLanguage(), nullLogService);
 			} catch( ParserFactoryError pfe )
 			{
 				handleInternalError();
@@ -3129,4 +3095,53 @@ public class Scanner implements IScanner {
 		return ( scannerData.getContextStack().getCurrentContext() == scannerData.getContextStack().getTopContext() );
 	}
 
+	protected CodeReader createReaderDuple( String path, String fileName )
+	{
+		File pathFile = new File(path);
+		//TODO assert pathFile.isDirectory();	
+		StringBuffer newPathBuffer = new StringBuffer( pathFile.getPath() );
+		newPathBuffer.append( File.separatorChar );
+		newPathBuffer.append( fileName );
+		//remove ".." and "." segments
+		String finalPath = reconcilePath( newPathBuffer.toString() );
+		Reader r = scannerData.getClientRequestor().createReader( finalPath );
+		if( r != null )
+			return new CodeReader( finalPath, r );
+		return null;		
+
+	}
+
+	/**
+	 * @param string
+	 * @return
+	 */
+	private String reconcilePath(String originalPath ) {
+		if( originalPath == null ) return null;
+		String [] segments = originalPath.split( "[/\\\\]" );
+		if( segments.length == 1 ) return originalPath;
+		Vector results = new Vector(); 
+		for( int i = 0; i < segments.length; ++i )
+		{
+			String segment = segments[i];
+			if( segment.equals( ".") ) continue;
+			if( segment.equals("..") )
+			{
+				if( results.size() > 0 ) 
+					results.removeElementAt( results.size() - 1 );
+			}
+			else
+				results.add( segment );
+		}
+		StringBuffer buffer = new StringBuffer(); 
+		Iterator i = results.iterator();
+		while( i.hasNext() )
+		{
+			buffer.append( (String)i.next() );
+			if( i.hasNext() )
+				buffer.append( File.separatorChar );
+		}
+		scannerData.getLogService().traceLog( "Path has been reduced to " + buffer.toString());
+		return buffer.toString();
+	}
+
 }

core/org.eclipse.cdt.core/search/org/eclipse/cdt/internal/core/search/matching/MatchLocator.java

@@ -593,4 +593,11 @@ public class MatchLocator implements ISourceElementRequestor, ICSearchConstants
 	public static void verbose(String log) {
 	  System.out.println("(" + Thread.currentThread() + ") " + log); 
 	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.parser.ISourceElementRequestor#createReader(java.lang.String)
+	 */
+	public Reader createReader(String finalPath) {
+		return ParserUtil.createReader(finalPath);
+	}
 }

core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/parser/ParserUtil.java

@@ -10,8 +10,20 @@
 ***********************************************************************/
 package org.eclipse.cdt.core.parser;
 
+import java.io.BufferedInputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+
 import org.eclipse.cdt.internal.core.model.IDebugLogConstants;
+import org.eclipse.cdt.internal.core.parser.InternalParserUtil;
 import org.eclipse.cdt.internal.core.parser.ParserLogService;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IWorkspace;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
 
 /**
  * @author jcamelon
@@ -34,4 +46,31 @@ public class ParserUtil
 	public static IParserLogService getScannerLogService() {
 		return scannerLogService;
 	}
+	
+	public static Reader createReader( String finalPath )
+	{
+		// check to see if the file which this path points to points to an 
+		// IResource in the workspace
+		try
+		{
+			IWorkspace workspace = ResourcesPlugin.getWorkspace();
+			IPath path = new Path( finalPath );
+			
+			if( workspace.getRoot().getLocation().isPrefixOf( path ) )
+				path = path.removeFirstSegments(workspace.getRoot().getLocation().segmentCount() );
+
+			IResource result = workspace.getRoot().findMember(path);
+			
+			if( result != null && result.getType() == IResource.FILE )
+			{
+				BufferedInputStream bufferedStream = new BufferedInputStream( ((IFile) result).getContents() );
+				InputStreamReader reader = new InputStreamReader( bufferedStream );
+				return reader;
+			}
+		}
+		catch( CoreException ce )
+		{
+		}
+		return InternalParserUtil.createFileReader(finalPath);
+	}
 }

core/org.eclipse.cdt.ui/ChangeLog

@@ -1,3 +1,6 @@
+2004-02-25 John Camelon
+	Updates for new ISourceElementRequestor interface updates.  
+
 2004-02-24 Alain Magloire
 
 	New constructor for ShowInCView.

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/compare/SourceElementRequestorAdapter.java

@@ -11,10 +11,13 @@
 
 package org.eclipse.cdt.internal.ui.compare;
 
+import java.io.Reader;
+
 import org.eclipse.cdt.core.parser.DefaultProblemHandler;
 import org.eclipse.cdt.core.parser.IProblem;
 import org.eclipse.cdt.core.parser.ISourceElementRequestor;
 import org.eclipse.cdt.core.parser.ParserMode;
+import org.eclipse.cdt.core.parser.ParserUtil;
 import org.eclipse.cdt.core.parser.ast.IASTASMDefinition;
 import org.eclipse.cdt.core.parser.ast.IASTAbstractTypeSpecifierDeclaration;
 import org.eclipse.cdt.core.parser.ast.IASTClassReference;
@@ -331,4 +334,11 @@ public class SourceElementRequestorAdapter implements ISourceElementRequestor {
         // TODO Auto-generated method stub        
     }
 
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.parser.ISourceElementRequestor#createReader(java.lang.String)
+	 */
+	public Reader createReader(String finalPath) {
+		return ParserUtil.createReader(finalPath);
+	}
+
 }