--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.core;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IJavaProject;
+import net.sourceforge.phpdt.core.IPackageFragment;
+import net.sourceforge.phpdt.core.IType;
+import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.core.compiler.CharOperation;
+import net.sourceforge.phpdt.core.search.IJavaSearchConstants;
+import net.sourceforge.phpdt.core.search.ITypeNameRequestor;
+import net.sourceforge.phpdt.internal.codeassist.ISearchRequestor;
+import net.sourceforge.phpdt.internal.codeassist.ISearchableNameEnvironment;
+import net.sourceforge.phpdt.internal.compiler.env.IConstants;
+import net.sourceforge.phpdt.internal.compiler.env.ISourceType;
+import net.sourceforge.phpdt.internal.compiler.env.NameEnvironmentAnswer;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+
+/**
+ * This class provides a <code>SearchableBuilderEnvironment</code> for code assist which
+ * uses the Java model as a search tool.
+ */
+public class SearchableEnvironment implements ISearchableNameEnvironment, IJavaSearchConstants {
+ protected NameLookup nameLookup;
+ protected ICompilationUnit unitToSkip;
+
+ protected IJavaProject project;
+ // protected IJavaSearchScope searchScope;
+
+ /**
+ * Creates a SearchableEnvironment on the given project
+ */
+ public SearchableEnvironment(IJavaProject project) throws JavaModelException {
+ this.project = project;
+ this.nameLookup = (NameLookup) ((JavaProject) project).getNameLookup();
+
+ // Create search scope with visible entry on the project's classpath
+ // this.searchScope = SearchEngine.createJavaSearchScope(this.project.getAllPackageFragmentRoots());
+ }
+
+ /**
+ * Returns the given type in the the given package if it exists,
+ * otherwise <code>null</code>.
+ */
+ protected NameEnvironmentAnswer find(String typeName, String packageName) {
+ if (packageName == null)
+ packageName = IPackageFragment.DEFAULT_PACKAGE_NAME;
+
+ IType type = this.nameLookup.findType(typeName, packageName, false, NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
+ if (type != null) {
+ // if (type instanceof BinaryType) {
+ // try {
+ // return new NameEnvironmentAnswer(
+ // (IBinaryType) ((BinaryType) type).getElementInfo());
+ // } catch (JavaModelException npe) {
+ // return null;
+ // }
+ // } else { //SourceType
+ try {
+ // retrieve the requested type
+ SourceTypeElementInfo sourceType = (SourceTypeElementInfo) ((SourceType) type).getElementInfo();
+ ISourceType topLevelType = sourceType;
+ while (topLevelType.getEnclosingType() != null) {
+ topLevelType = topLevelType.getEnclosingType();
+ }
+ // find all siblings (other types declared in same unit, since may be used for name resolution)
+ IType[] types = sourceType.getHandle().getCompilationUnit().getTypes();
+ ISourceType[] sourceTypes = new ISourceType[types.length];
+
+ // in the resulting collection, ensure the requested type is the first one
+ sourceTypes[0] = sourceType;
+ for (int i = 0, index = 1; i < types.length; i++) {
+ ISourceType otherType = (ISourceType) ((JavaElement) types[i]).getElementInfo();
+ if (!otherType.equals(topLevelType))
+ sourceTypes[index++] = otherType;
+ }
+ return new NameEnvironmentAnswer(sourceTypes);
+ } catch (JavaModelException npe) {
+ return null;
+ }
+ // }
+ }
+ return null;
+ }
+
+ /**
+ * @see ISearchableNameEnvironment#findPackages(char[], ISearchRequestor)
+ */
+ public void findPackages(char[] prefix, ISearchRequestor requestor) {
+ // this.nameLookup.seekPackageFragments(
+ // new String(prefix),
+ // true,
+ // new SearchableEnvironmentRequestor(requestor));
+ }
+
+ /**
+ * @see INameEnvironment#findType(char[][])
+ */
+ public NameEnvironmentAnswer findType(char[][] compoundTypeName) {
+ if (compoundTypeName == null)
+ return null;
+
+ int length = compoundTypeName.length;
+ if (length <= 1) {
+ if (length == 0)
+ return null;
+ return find(new String(compoundTypeName[0]), null);
+ }
+
+ int lengthM1 = length - 1;
+ char[][] packageName = new char[lengthM1][];
+ System.arraycopy(compoundTypeName, 0, packageName, 0, lengthM1);
+
+ return find(new String(compoundTypeName[lengthM1]), CharOperation.toString(packageName));
+ }
+
+ /**
+ * @see INameEnvironment#findType(char[], char[][])
+ */
+ public NameEnvironmentAnswer findType(char[] name, char[][] packageName) {
+ if (name == null)
+ return null;
+
+ return find(new String(name), packageName == null || packageName.length == 0 ? null : CharOperation.toString(packageName));
+ }
+
+ /**
+ * @see ISearchableNameEnvironment#findTypes(char[], ISearchRequestor)
+ */
+ public void findTypes(char[] prefix, final ISearchRequestor storage) {
+
+ /*
+ if (true){
+ findTypes(new String(prefix), storage, NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
+ return;
+ }
+ */
+ // try {
+ final String excludePath;
+ if (this.unitToSkip != null) {
+ if (!(this.unitToSkip instanceof IJavaElement)) {
+ // revert to model investigation
+ findTypes(new String(prefix), storage, NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
+ return;
+ }
+ excludePath = ((IJavaElement) this.unitToSkip).getPath().toString();
+ } else {
+ excludePath = null;
+ }
+ int lastDotIndex = CharOperation.lastIndexOf('.', prefix);
+ char[] qualification, simpleName;
+ if (lastDotIndex < 0) {
+ qualification = null;
+ simpleName = CharOperation.toLowerCase(prefix);
+ } else {
+ qualification = CharOperation.subarray(prefix, 0, lastDotIndex);
+ simpleName = CharOperation.toLowerCase(CharOperation.subarray(prefix, lastDotIndex + 1, prefix.length));
+ }
+
+ IProgressMonitor progressMonitor = new IProgressMonitor() {
+ boolean isCanceled = false;
+ public void beginTask(String name, int totalWork) {
+ }
+ public void done() {
+ }
+ public void internalWorked(double work) {
+ }
+ public boolean isCanceled() {
+ return isCanceled;
+ }
+ public void setCanceled(boolean value) {
+ isCanceled = value;
+ }
+ public void setTaskName(String name) {
+ }
+ public void subTask(String name) {
+ }
+ public void worked(int work) {
+ }
+ };
+ ITypeNameRequestor nameRequestor = new ITypeNameRequestor() {
+ public void acceptClass(char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path) {
+ if (excludePath != null && excludePath.equals(path))
+ return;
+ if (enclosingTypeNames != null && enclosingTypeNames.length > 0)
+ return; // accept only top level types
+ storage.acceptClass(packageName, simpleTypeName, IConstants.AccPublic);
+ }
+ public void acceptInterface(char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path) {
+ if (excludePath != null && excludePath.equals(path))
+ return;
+ if (enclosingTypeNames != null && enclosingTypeNames.length > 0)
+ return; // accept only top level types
+ storage.acceptInterface(packageName, simpleTypeName, IConstants.AccPublic);
+ }
+ };
+ // try {
+ // new SearchEngine().searchAllTypeNames(
+ // this.project.getProject().getWorkspace(),
+ // qualification,
+ // simpleName,
+ // PREFIX_MATCH,
+ // CASE_INSENSITIVE,
+ // IJavaSearchConstants.TYPE,
+ // this.searchScope,
+ // nameRequestor,
+ // CANCEL_IF_NOT_READY_TO_SEARCH,
+ // progressMonitor);
+ // } catch (OperationCanceledException e) {
+ // findTypes(
+ // new String(prefix),
+ // storage,
+ // NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
+ // }
+ // } catch (JavaModelException e) {
+ // findTypes(
+ // new String(prefix),
+ // storage,
+ // NameLookup.ACCEPT_CLASSES | NameLookup.ACCEPT_INTERFACES);
+ // }
+ }
+
+ /**
+ * Returns all types whose name starts with the given (qualified) <code>prefix</code>.
+ *
+ * If the <code>prefix</code> is unqualified, all types whose simple name matches
+ * the <code>prefix</code> are returned.
+ */
+ private void findTypes(String prefix, ISearchRequestor storage, int type) {
+ SearchableEnvironmentRequestor requestor = new SearchableEnvironmentRequestor(storage, this.unitToSkip);
+ int index = prefix.lastIndexOf('.');
+ if (index == -1) {
+ this.nameLookup.seekTypes(prefix, null, true, type, requestor);
+ } else {
+ String packageName = prefix.substring(0, index);
+ JavaElementRequestor elementRequestor = new JavaElementRequestor();
+ this.nameLookup.seekPackageFragments(packageName, false, elementRequestor);
+ IPackageFragment[] fragments = elementRequestor.getPackageFragments();
+ if (fragments != null) {
+ String className = prefix.substring(index + 1);
+ for (int i = 0, length = fragments.length; i < length; i++)
+ if (fragments[i] != null)
+ this.nameLookup.seekTypes(className, fragments[i], true, type, requestor);
+ }
+ }
+ }
+
+ /**
+ * @see INameEnvironment#isPackage(char[][], char[])
+ */
+ public boolean isPackage(char[][] parentPackageName, char[] subPackageName) {
+ if (subPackageName == null || CharOperation.contains('.', subPackageName))
+ return false;
+ if (parentPackageName == null || parentPackageName.length == 0)
+ return isTopLevelPackage(subPackageName);
+ for (int i = 0, length = parentPackageName.length; i < length; i++)
+ if (parentPackageName[i] == null || CharOperation.contains('.', parentPackageName[i]))
+ return false;
+
+ String packageName = new String(CharOperation.concatWith(parentPackageName, subPackageName, '.'));
+ return this.nameLookup.findPackageFragments(packageName, false) != null;
+ }
+
+ public boolean isTopLevelPackage(char[] packageName) {
+ return packageName != null
+ && !CharOperation.contains('.', packageName)
+ && this.nameLookup.findPackageFragments(new String(packageName), false) != null;
+ }
+
+ /**
+ * Returns a printable string for the array.
+ */
+ protected String toStringChar(char[] name) {
+ return "[" //$NON-NLS-1$
+ + new String(name) + "]"; //$NON-NLS-1$
+ }
+
+ /**
+ * Returns a printable string for the array.
+ */
+ protected String toStringCharChar(char[][] names) {
+ StringBuffer result = new StringBuffer();
+ for (int i = 0; i < names.length; i++) {
+ result.append(toStringChar(names[i]));
+ }
+ return result.toString();
+ }
+
+ public void cleanup() {
+ }
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff