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/*******************************************************************************
* Copyright (c) 2003, 2005 IBM Corporation 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 Corp. - Rational Software - initial implementation
******************************************************************************/
/*
* Created on Jul 11, 2003
*/
package org.eclipse.cdt.internal.core.search.matching;
import java.io.IOException;
import org.eclipse.cdt.core.browser.PathUtil;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.parser.ISourceElementCallbackDelegate;
import org.eclipse.cdt.core.parser.ast.IASTNamespaceDefinition;
import org.eclipse.cdt.core.search.BasicSearchMatch;
import org.eclipse.cdt.core.search.ICSearchScope;
import org.eclipse.cdt.internal.core.CharOperation;
import org.eclipse.cdt.internal.core.index.IEntryResult;
import org.eclipse.cdt.internal.core.index.IIndex;
import org.eclipse.cdt.internal.core.index.cindexstorage.Index;
import org.eclipse.cdt.internal.core.index.cindexstorage.IndexedFileEntry;
import org.eclipse.cdt.internal.core.index.cindexstorage.IndexerOutput;
import org.eclipse.cdt.internal.core.index.cindexstorage.io.IndexInput;
import org.eclipse.cdt.internal.core.search.IIndexSearchRequestor;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
/**
* @author aniefer
*
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
public class NamespaceDeclarationPattern extends CSearchPattern {
/**
* @param name
* @param cs
* @param matchMode
* @param limitTo
* @param caseSensitive
*/
public NamespaceDeclarationPattern(char[] name, char[][] quals, int matchMode, LimitTo limitTo, boolean caseSensitive) {
super( matchMode, caseSensitive, limitTo );
simpleName = name;
qualifications = quals;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.search.ICSearchPattern#matchLevel(org.eclipse.cdt.core.parser.ast.IASTOffsetableElement)
*/
public int matchLevel(ISourceElementCallbackDelegate node, LimitTo limit ) {
if( !( node instanceof IASTNamespaceDefinition ) || !canAccept( limit ) )
return IMPOSSIBLE_MATCH;
IASTNamespaceDefinition namespace = (IASTNamespaceDefinition)node;
if( simpleName != null && !matchesName( simpleName, namespace.getNameCharArray() ) ){
return IMPOSSIBLE_MATCH;
}
//create char[][] out of full name,
char [] [] qualName = namespace.getFullyQualifiedNameCharArrays();
if( !matchQualifications( qualifications, qualName, true ) ){
return IMPOSSIBLE_MATCH;
}
return ACCURATE_MATCH;
}
private char[][] decodedContainingTypes;
private char[] decodedSimpleName;
private char[][] qualifications;
private char[] simpleName;
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.matching.CSearchPattern#feedIndexRequestor(org.eclipse.cdt.internal.core.search.IIndexSearchRequestor, int, int[], org.eclipse.cdt.internal.core.index.impl.IndexInput, org.eclipse.cdt.core.search.ICSearchScope)
*/
public void feedIndexRequestor(IIndexSearchRequestor requestor, int detailLevel, int[] fileRefs, int[][] offsets, int[][] offsetLengths, IndexInput input, ICSearchScope scope) throws IOException {
for (int i = 0, max = fileRefs.length; i < max; i++) {
IndexedFileEntry file = input.getIndexedFile(fileRefs[i]);
String path=null;
if (file != null && scope.encloses(path =file.getPath())) {
requestor.acceptNamespaceDeclaration(path, decodedSimpleName, decodedContainingTypes);
}
for (int j=0; j<offsets[i].length; j++){
BasicSearchMatch match = new BasicSearchMatch();
match.name = new String(this.decodedSimpleName);
//Don't forget that offsets are encoded ICIndexStorageConstants
//Offsets can either be LINE or OFFSET
int offsetType = Integer.valueOf(String.valueOf(offsets[i][j]).substring(0,1)).intValue();
if (offsetType==IIndex.LINE){
match.startOffset=Integer.valueOf(String.valueOf(offsets[i][j]).substring(1)).intValue();
match.offsetType = IIndex.LINE;
}else if (offsetType==IIndex.OFFSET){
match.startOffset=Integer.valueOf(String.valueOf(offsets[i][j]).substring(1)).intValue();
match.endOffset= match.startOffset + offsetLengths[i][j];
match.offsetType=IIndex.OFFSET;
}
match.parentName = ""; //$NON-NLS-1$
match.type=ICElement.C_NAMESPACE;
IFile tempFile = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(path));
if (tempFile != null && tempFile.exists())
match.resource =tempFile;
else {
IPath tempPath = PathUtil.getWorkspaceRelativePath(file.getPath());
match.path = tempPath;
match.referringElement = tempPath;
}
requestor.acceptSearchMatch(match);
}
}
}
protected void resetIndexInfo(){
decodedSimpleName = null;
decodedContainingTypes = null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.matching.CSearchPattern#decodeIndexEntry(org.eclipse.cdt.internal.core.index.IEntryResult)
*/
protected void decodeIndexEntry(IEntryResult entryResult) {
char[] word = entryResult.getWord();
int size = word.length;
int firstSlash = CharOperation.indexOf( IndexerOutput.SEPARATOR, word, 0 );
int slash = CharOperation.indexOf(IndexerOutput.SEPARATOR, word, firstSlash + 1);
this.decodedSimpleName = CharOperation.subarray(word, firstSlash+1, slash);
if( slash != -1 && slash+1 < size ){
char [][] temp = CharOperation.splitOn('/', CharOperation.subarray(word, slash+1, size));
this.decodedContainingTypes = new char [ temp.length ][];
for( int i = 0; i < temp.length; i++ ){
this.decodedContainingTypes[ i ] = temp[ temp.length - i - 1 ];
}
}
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.matching.CSearchPattern#indexEntryPrefix()
*/
public char[] indexEntryPrefix() {
return Index.bestNamespacePrefix(
_limitTo,
simpleName,
qualifications,
_matchMode, _caseSensitive
);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.core.search.matching.CSearchPattern#matchIndexEntry()
*/
protected boolean matchIndexEntry() {
/* check simple name matches */
if( simpleName != null ){
if( ! matchesName( simpleName, decodedSimpleName ) ){
return false;
}
}
if( !matchQualifications( qualifications, decodedContainingTypes ) ){
return false;
}
return true;
}
}
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