org.eclipse.jdt.core/search/org/eclipse/jdt/internal/core/search/matching/TypeDeclarationPattern.java - jdt/eclipse.jdt.core - Git at Google

 package org.eclipse.jdt.internal.core.search.matching;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */
 import org.eclipse.core.runtime.*;

 import org.eclipse.jdt.internal.compiler.env.*;
 import org.eclipse.jdt.internal.compiler.ast.*;
 import org.eclipse.jdt.internal.compiler.util.*;
 import org.eclipse.jdt.internal.compiler.lookup.*;

 import org.eclipse.jdt.internal.core.index.*;
 import org.eclipse.jdt.core.search.*;
 import org.eclipse.jdt.internal.core.search.indexing.*;
 import org.eclipse.jdt.internal.core.index.impl.*;
 import org.eclipse.jdt.internal.core.search.*;

 import java.io.*;

 public class TypeDeclarationPattern extends SearchPattern {

 	private char[] qualification;
 	private char[][] enclosingTypeNames;
 	private char[] simpleName;

 	// set to CLASS_SUFFIX for only matching classes
 	// set to INTERFACE_SUFFIX for only matching interfaces
 	// set to TYPE_SUFFIX for matching both classes and interfaces
 	private char classOrInterface;

 	private char[] decodedQualification;
 	private char[] decodedSimpleName;
 	private char[][] decodedEnclosingTypeNames;
 	private char decodedClassOrInterface;
 public TypeDeclarationPattern(
 	char[] qualification,
 	char[][] enclosingTypeNames,
 	char[] simpleName,
 	char classOrInterface,
 	int matchMode,
 	boolean isCaseSensitive) {

 	super(matchMode, isCaseSensitive);

 	this.qualification = isCaseSensitive ? qualification : CharOperation.toLowerCase(qualification);
 	if (isCaseSensitive || enclosingTypeNames == null) {
 		this.enclosingTypeNames = enclosingTypeNames;
 	} else {
 		int length = enclosingTypeNames.length;
 		this.enclosingTypeNames = new char[length][];
 		for (int i = 0; i < length; i++){
 			this.enclosingTypeNames[i] = CharOperation.toLowerCase(enclosingTypeNames[i]);
 		}
 	}
 	this.simpleName = isCaseSensitive ? simpleName : CharOperation.toLowerCase(simpleName);
 	this.classOrInterface = classOrInterface;

 	this.needsResolve = qualification != null;
 }
 public void decodeIndexEntry(IEntryResult entryResult){

 	char[] word = entryResult.getWord();
 	int size = word.length;

 	decodedClassOrInterface = word[TYPE_DECL_LENGTH];
 	int oldSlash = TYPE_DECL_LENGTH+1;
 	int slash = CharOperation.indexOf(SEPARATOR, word, oldSlash+1);
 	if (slash == oldSlash+1){
 		decodedQualification = NO_CHAR;
 	} else {
 		decodedQualification = CharOperation.subarray(word, oldSlash+1, slash);
 	}
 	decodedSimpleName = CharOperation.subarray(word, slash+1, slash = CharOperation.indexOf(SEPARATOR, word, slash+1));

 	if (slash+1 < size){
 		decodedEnclosingTypeNames = CharOperation.splitOn('/', CharOperation.subarray(word, slash+1, size-1));
 	} else {
 		decodedEnclosingTypeNames = NO_CHAR_CHAR;
 	}
 }
 /**
  * see SearchPattern.feedIndexRequestor
  */
 public void feedIndexRequestor(IIndexSearchRequestor requestor, int detailLevel, int[] references, IndexInput input, IJavaSearchScope scope) throws IOException {
 	boolean isClass = decodedClassOrInterface == CLASS_SUFFIX;
 	for (int i = 0, max = references.length; i < max; i++) {
 		IndexedFile file = input.getIndexedFile(references[i]);
 		String path;
 		if (file != null && scope.encloses(path =IndexedFile.convertPath(file.getPath()))) {
 			if (isClass) {
 				requestor.acceptClassDeclaration(path, decodedSimpleName, decodedEnclosingTypeNames, decodedQualification);
 			} else {
 				requestor.acceptInterfaceDeclaration(path, decodedSimpleName, decodedEnclosingTypeNames, decodedQualification);
 			}
 		}
 	}
 }
 /**
  * see SearchPattern.indexEntryPrefix()
  */
 public char[] indexEntryPrefix(){

 	return AbstractIndexer.bestTypeDeclarationPrefix(
 			qualification,
 			simpleName,
 			classOrInterface,
 			matchMode,
 			isCaseSensitive);
 }
 /**
  * @see SearchPattern#matchContainer()
  */
 protected int matchContainer() {
 	return COMPILATION_UNIT | CLASS;
 }
 /**
  * @see SearchPattern#matchesBinary(Object, Object)
  */
 public boolean matchesBinary(Object binaryInfo, Object enclosingBinaryInfo) {
 	if (!(binaryInfo instanceof IBinaryType)) return false;

 	IBinaryType type = (IBinaryType)binaryInfo;

 	// fully qualified name
 	char[] typeName = (char[])type.getName().clone();
 	CharOperation.replace(typeName, '/', '.');
 	char[] enclosingTypeName = this.enclosingTypeNames == null ? null : CharOperation.concatWith(this.enclosingTypeNames, '.');
 	if (!this.matchesType(this.simpleName, this.qualification, enclosingTypeName, typeName)) {
 		return false;
 	}

 	// class or interface
 	switch (this.classOrInterface) {
 		case CLASS_SUFFIX:
 			if (type.isInterface())
 				return false;
 			break;
 		case INTERFACE_SUFFIX:
 			if (!type.isInterface())
 				return false;
 			break;
 	}

 	return true;
 }
 /**
  * Returns whether the given type binding matches the given simple name pattern
  * qualification pattern and enclosing name pattern.
  */
 protected boolean matchesType(char[] simpleNamePattern, char[] qualificationPattern, char[] enclosingNamePattern, char[] fullyQualifiedTypeName) {
 	if (enclosingNamePattern == null) {
 		return this.matchesType(simpleNamePattern, qualificationPattern, fullyQualifiedTypeName);
 	} else {
 		char[] pattern;
 		if (qualificationPattern == null) {
 			pattern = enclosingNamePattern;
 		} else {
 			pattern = CharOperation.concat(qualificationPattern, enclosingNamePattern, '.');
 		}
 		return this.matchesType(simpleNamePattern, pattern, fullyQualifiedTypeName);
 	}
 }
 /**
  * see SearchPattern.matchIndexEntry
  */
 protected boolean matchIndexEntry(){

 	/* check class/interface nature */
 	switch(classOrInterface){
 		case CLASS_SUFFIX :
 		case INTERFACE_SUFFIX :
 			if (classOrInterface != decodedClassOrInterface) return false;
 		default :
 	}
 	/* check qualification - exact match only */
 	if (qualification != null && !CharOperation.equals(qualification, decodedQualification, isCaseSensitive))
 		return false;
 	/* check enclosingTypeName - exact match only */
 	if (enclosingTypeNames != null){
 		// empty char[][] means no enclosing type, i.e. the decoded one is the empty char array
 		if (enclosingTypeNames.length == 0){
 			if (decodedEnclosingTypeNames != NO_CHAR_CHAR) return false;
 		} else {
 			if (!CharOperation.equals(enclosingTypeNames, decodedEnclosingTypeNames, isCaseSensitive)) return false;
 		}
 	}

 	/* check simple name matches */
 	if (simpleName != null){
 		switch(matchMode){
 			case EXACT_MATCH :
 				if (!CharOperation.equals(simpleName, decodedSimpleName, isCaseSensitive)){
 					return false;
 				}
 				break;
 			case PREFIX_MATCH :
 				if (!CharOperation.prefixEquals(simpleName, decodedSimpleName, isCaseSensitive)){
 					return false;
 				}
 				break;
 			case PATTERN_MATCH :
 				if (!CharOperation.match(simpleName, decodedSimpleName, isCaseSensitive)){
 					return false;
 				}
 		}
 	}
 	return true;
 }
 public String toString(){
 	StringBuffer buffer = new StringBuffer(20);
 	switch (classOrInterface){
 		case CLASS_SUFFIX :
 			buffer.append("ClassDeclarationPattern: pkg<"); //$NON-NLS-1$
 			break;
 		case INTERFACE_SUFFIX :
 			buffer.append("InterfaceDeclarationPattern: pkg<"); //$NON-NLS-1$
 			break;
 		default :
 			buffer.append("TypeDeclarationPattern: pkg<"); //$NON-NLS-1$
 			break;
 	}
 	if (qualification != null) buffer.append(qualification);
 	buffer.append(">, enclosing<"); //$NON-NLS-1$
 	if (enclosingTypeNames != null) {
 		for (int i = 0; i < enclosingTypeNames.length; i++){
 			buffer.append(enclosingTypeNames[i]);
 			if (i < enclosingTypeNames.length - 1)
 				buffer.append('.');
 		}
 	}
 	buffer.append(">, type<"); //$NON-NLS-1$
 	if (simpleName != null) buffer.append(simpleName);
 	buffer.append(">, "); //$NON-NLS-1$
 	switch(matchMode){
 		case EXACT_MATCH :
 			buffer.append("exact match, "); //$NON-NLS-1$
 			break;
 		case PREFIX_MATCH :
 			buffer.append("prefix match, "); //$NON-NLS-1$
 			break;
 		case PATTERN_MATCH :
 			buffer.append("pattern match, "); //$NON-NLS-1$
 			break;
 	}
 	if (isCaseSensitive)
 		buffer.append("case sensitive"); //$NON-NLS-1$
 	else
 		buffer.append("case insensitive"); //$NON-NLS-1$
 	return buffer.toString();
 }

 /**
  * @see SearchPattern#matchLevel(AstNode, boolean)
  */
 public int matchLevel(AstNode node, boolean resolve) {
 	if (!(node instanceof TypeDeclaration)) return IMPOSSIBLE_MATCH;

 	TypeDeclaration type = (TypeDeclaration)node;

 	if (resolve) {
 		return this.matchLevel(type.binding);
 	} else {
 		// type name
 		if (this.simpleName != null && !this.matchesName(this.simpleName, type.name))
 			return IMPOSSIBLE_MATCH;
 		else
 			return POSSIBLE_MATCH;
 	}
 }

 /**
  * @see SearchPattern#matchLevel(Binding)
  */
 public int matchLevel(Binding binding) {
 	if (binding == null) return INACCURATE_MATCH;
 	if (!(binding instanceof TypeBinding)) return IMPOSSIBLE_MATCH;

 	TypeBinding type = (TypeBinding)binding;

 	// class or interface
 	switch (this.classOrInterface) {
 		case CLASS_SUFFIX:
 			if (type.isInterface())
 				return IMPOSSIBLE_MATCH;
 			break;
 		case INTERFACE_SUFFIX:
 			if (!type.isInterface())
 				return IMPOSSIBLE_MATCH;
 			break;
 	}

 	// fully qualified name
 	char[] enclosingTypeName = this.enclosingTypeNames == null ? null : CharOperation.concatWith(this.enclosingTypeNames, '.');
 	return this.matchLevelForType(this.simpleName, this.qualification, enclosingTypeName, type);
 }

 /**
  * Returns whether the given type binding matches the given simple name pattern
  * qualification pattern and enclosing type name pattern.
  */
 protected int matchLevelForType(char[] simpleNamePattern, char[] qualificationPattern, char[] enclosingNamePattern, TypeBinding type) {
 	if (enclosingNamePattern == null) {
 		return this.matchLevelForType(simpleNamePattern, qualificationPattern, type);
 	} else {
 		char[] pattern;
 		if (qualificationPattern == null) {
 			return matchLevelForType(simpleNamePattern, enclosingNamePattern, type);
 		} else {
 			// pattern was created from a Java element: qualification is the package name.
 			char[] fullQualificationPattern = CharOperation.concat(qualificationPattern, enclosingNamePattern, '.');
 			if ( CharOperation.equals(qualification, CharOperation.concatWith(type.getPackage().compoundName, '.'))) {
 				return this.matchLevelForType(simpleNamePattern, fullQualificationPattern, type);
 			} else {
 				return IMPOSSIBLE_MATCH;
 			}
 		}
 	}
 }
 }
	package org.eclipse.jdt.internal.core.search.matching;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/
	import org.eclipse.core.runtime.*;

	import org.eclipse.jdt.internal.compiler.env.*;
	import org.eclipse.jdt.internal.compiler.ast.*;
	import org.eclipse.jdt.internal.compiler.util.*;
	import org.eclipse.jdt.internal.compiler.lookup.*;

	import org.eclipse.jdt.internal.core.index.*;
	import org.eclipse.jdt.core.search.*;
	import org.eclipse.jdt.internal.core.search.indexing.*;
	import org.eclipse.jdt.internal.core.index.impl.*;
	import org.eclipse.jdt.internal.core.search.*;

	import java.io.*;

	public class TypeDeclarationPattern extends SearchPattern {

	private char[] qualification;
	private char[][] enclosingTypeNames;
	private char[] simpleName;

	// set to CLASS_SUFFIX for only matching classes
	// set to INTERFACE_SUFFIX for only matching interfaces
	// set to TYPE_SUFFIX for matching both classes and interfaces
	private char classOrInterface;

	private char[] decodedQualification;
	private char[] decodedSimpleName;
	private char[][] decodedEnclosingTypeNames;
	private char decodedClassOrInterface;
	public TypeDeclarationPattern(
	char[] qualification,
	char[][] enclosingTypeNames,
	char[] simpleName,
	char classOrInterface,
	int matchMode,
	boolean isCaseSensitive) {

	super(matchMode, isCaseSensitive);

	this.qualification = isCaseSensitive ? qualification : CharOperation.toLowerCase(qualification);
	if (isCaseSensitive \|\| enclosingTypeNames == null) {
	this.enclosingTypeNames = enclosingTypeNames;
	} else {
	int length = enclosingTypeNames.length;
	this.enclosingTypeNames = new char[length][];
	for (int i = 0; i < length; i++){
	this.enclosingTypeNames[i] = CharOperation.toLowerCase(enclosingTypeNames[i]);
	}
	}
	this.simpleName = isCaseSensitive ? simpleName : CharOperation.toLowerCase(simpleName);
	this.classOrInterface = classOrInterface;

	this.needsResolve = qualification != null;
	}
	public void decodeIndexEntry(IEntryResult entryResult){

	char[] word = entryResult.getWord();
	int size = word.length;

	decodedClassOrInterface = word[TYPE_DECL_LENGTH];
	int oldSlash = TYPE_DECL_LENGTH+1;
	int slash = CharOperation.indexOf(SEPARATOR, word, oldSlash+1);
	if (slash == oldSlash+1){
	decodedQualification = NO_CHAR;
	} else {
	decodedQualification = CharOperation.subarray(word, oldSlash+1, slash);
	}
	decodedSimpleName = CharOperation.subarray(word, slash+1, slash = CharOperation.indexOf(SEPARATOR, word, slash+1));

	if (slash+1 < size){
	decodedEnclosingTypeNames = CharOperation.splitOn('/', CharOperation.subarray(word, slash+1, size-1));
	} else {
	decodedEnclosingTypeNames = NO_CHAR_CHAR;
	}
	}
	/**
	* see SearchPattern.feedIndexRequestor
	*/
	public void feedIndexRequestor(IIndexSearchRequestor requestor, int detailLevel, int[] references, IndexInput input, IJavaSearchScope scope) throws IOException {
	boolean isClass = decodedClassOrInterface == CLASS_SUFFIX;
	for (int i = 0, max = references.length; i < max; i++) {
	IndexedFile file = input.getIndexedFile(references[i]);
	String path;
	if (file != null && scope.encloses(path =IndexedFile.convertPath(file.getPath()))) {
	if (isClass) {
	requestor.acceptClassDeclaration(path, decodedSimpleName, decodedEnclosingTypeNames, decodedQualification);
	} else {
	requestor.acceptInterfaceDeclaration(path, decodedSimpleName, decodedEnclosingTypeNames, decodedQualification);
	}
	}
	}
	}
	/**
	* see SearchPattern.indexEntryPrefix()
	*/
	public char[] indexEntryPrefix(){

	return AbstractIndexer.bestTypeDeclarationPrefix(
	qualification,
	simpleName,
	classOrInterface,
	matchMode,
	isCaseSensitive);
	}
	/**
	* @see SearchPattern#matchContainer()
	*/
	protected int matchContainer() {
	return COMPILATION_UNIT \| CLASS;
	}
	/**
	* @see SearchPattern#matchesBinary(Object, Object)
	*/
	public boolean matchesBinary(Object binaryInfo, Object enclosingBinaryInfo) {
	if (!(binaryInfo instanceof IBinaryType)) return false;

	IBinaryType type = (IBinaryType)binaryInfo;

	// fully qualified name
	char[] typeName = (char[])type.getName().clone();
	CharOperation.replace(typeName, '/', '.');
	char[] enclosingTypeName = this.enclosingTypeNames == null ? null : CharOperation.concatWith(this.enclosingTypeNames, '.');
	if (!this.matchesType(this.simpleName, this.qualification, enclosingTypeName, typeName)) {
	return false;
	}

	// class or interface
	switch (this.classOrInterface) {
	case CLASS_SUFFIX:
	if (type.isInterface())
	return false;
	break;
	case INTERFACE_SUFFIX:
	if (!type.isInterface())
	return false;
	break;
	}

	return true;
	}
	/**
	* Returns whether the given type binding matches the given simple name pattern
	* qualification pattern and enclosing name pattern.
	*/
	protected boolean matchesType(char[] simpleNamePattern, char[] qualificationPattern, char[] enclosingNamePattern, char[] fullyQualifiedTypeName) {
	if (enclosingNamePattern == null) {
	return this.matchesType(simpleNamePattern, qualificationPattern, fullyQualifiedTypeName);
	} else {
	char[] pattern;
	if (qualificationPattern == null) {
	pattern = enclosingNamePattern;
	} else {
	pattern = CharOperation.concat(qualificationPattern, enclosingNamePattern, '.');
	}
	return this.matchesType(simpleNamePattern, pattern, fullyQualifiedTypeName);
	}
	}
	/**
	* see SearchPattern.matchIndexEntry
	*/
	protected boolean matchIndexEntry(){

	/* check class/interface nature */
	switch(classOrInterface){
	case CLASS_SUFFIX :
	case INTERFACE_SUFFIX :
	if (classOrInterface != decodedClassOrInterface) return false;
	default :
	}
	/* check qualification - exact match only */
	if (qualification != null && !CharOperation.equals(qualification, decodedQualification, isCaseSensitive))
	return false;
	/* check enclosingTypeName - exact match only */
	if (enclosingTypeNames != null){
	// empty char[][] means no enclosing type, i.e. the decoded one is the empty char array
	if (enclosingTypeNames.length == 0){
	if (decodedEnclosingTypeNames != NO_CHAR_CHAR) return false;
	} else {
	if (!CharOperation.equals(enclosingTypeNames, decodedEnclosingTypeNames, isCaseSensitive)) return false;
	}
	}

	/* check simple name matches */
	if (simpleName != null){
	switch(matchMode){
	case EXACT_MATCH :
	if (!CharOperation.equals(simpleName, decodedSimpleName, isCaseSensitive)){
	return false;
	}
	break;
	case PREFIX_MATCH :
	if (!CharOperation.prefixEquals(simpleName, decodedSimpleName, isCaseSensitive)){
	return false;
	}
	break;
	case PATTERN_MATCH :
	if (!CharOperation.match(simpleName, decodedSimpleName, isCaseSensitive)){
	return false;
	}
	}
	}
	return true;
	}
	public String toString(){
	StringBuffer buffer = new StringBuffer(20);
	switch (classOrInterface){
	case CLASS_SUFFIX :
	buffer.append("ClassDeclarationPattern: pkg<"); //$NON-NLS-1$
	break;
	case INTERFACE_SUFFIX :
	buffer.append("InterfaceDeclarationPattern: pkg<"); //$NON-NLS-1$
	break;
	default :
	buffer.append("TypeDeclarationPattern: pkg<"); //$NON-NLS-1$
	break;
	}
	if (qualification != null) buffer.append(qualification);
	buffer.append(">, enclosing<"); //$NON-NLS-1$
	if (enclosingTypeNames != null) {
	for (int i = 0; i < enclosingTypeNames.length; i++){
	buffer.append(enclosingTypeNames[i]);
	if (i < enclosingTypeNames.length - 1)
	buffer.append('.');
	}
	}
	buffer.append(">, type<"); //$NON-NLS-1$
	if (simpleName != null) buffer.append(simpleName);
	buffer.append(">, "); //$NON-NLS-1$
	switch(matchMode){
	case EXACT_MATCH :
	buffer.append("exact match, "); //$NON-NLS-1$
	break;
	case PREFIX_MATCH :
	buffer.append("prefix match, "); //$NON-NLS-1$
	break;
	case PATTERN_MATCH :
	buffer.append("pattern match, "); //$NON-NLS-1$
	break;
	}
	if (isCaseSensitive)
	buffer.append("case sensitive"); //$NON-NLS-1$
	else
	buffer.append("case insensitive"); //$NON-NLS-1$
	return buffer.toString();
	}

	/**
	* @see SearchPattern#matchLevel(AstNode, boolean)
	*/
	public int matchLevel(AstNode node, boolean resolve) {
	if (!(node instanceof TypeDeclaration)) return IMPOSSIBLE_MATCH;

	TypeDeclaration type = (TypeDeclaration)node;

	if (resolve) {
	return this.matchLevel(type.binding);
	} else {
	// type name
	if (this.simpleName != null && !this.matchesName(this.simpleName, type.name))
	return IMPOSSIBLE_MATCH;
	else
	return POSSIBLE_MATCH;
	}
	}

	/**
	* @see SearchPattern#matchLevel(Binding)
	*/
	public int matchLevel(Binding binding) {
	if (binding == null) return INACCURATE_MATCH;
	if (!(binding instanceof TypeBinding)) return IMPOSSIBLE_MATCH;

	TypeBinding type = (TypeBinding)binding;

	// class or interface
	switch (this.classOrInterface) {
	case CLASS_SUFFIX:
	if (type.isInterface())
	return IMPOSSIBLE_MATCH;
	break;
	case INTERFACE_SUFFIX:
	if (!type.isInterface())
	return IMPOSSIBLE_MATCH;
	break;
	}

	// fully qualified name
	char[] enclosingTypeName = this.enclosingTypeNames == null ? null : CharOperation.concatWith(this.enclosingTypeNames, '.');
	return this.matchLevelForType(this.simpleName, this.qualification, enclosingTypeName, type);
	}

	/**
	* Returns whether the given type binding matches the given simple name pattern
	* qualification pattern and enclosing type name pattern.
	*/
	protected int matchLevelForType(char[] simpleNamePattern, char[] qualificationPattern, char[] enclosingNamePattern, TypeBinding type) {
	if (enclosingNamePattern == null) {
	return this.matchLevelForType(simpleNamePattern, qualificationPattern, type);
	} else {
	char[] pattern;
	if (qualificationPattern == null) {
	return matchLevelForType(simpleNamePattern, enclosingNamePattern, type);
	} else {
	// pattern was created from a Java element: qualification is the package name.
	char[] fullQualificationPattern = CharOperation.concat(qualificationPattern, enclosingNamePattern, '.');
	if ( CharOperation.equals(qualification, CharOperation.concatWith(type.getPackage().compoundName, '.'))) {
	return this.matchLevelForType(simpleNamePattern, fullQualificationPattern, type);
	} else {
	return IMPOSSIBLE_MATCH;
	}
	}
	}
	}
	}