--- /dev/null
+// Copyright (c) 2005 by Leif Frenzel. All rights reserved.
+// See http://leiffrenzel.de
+// modified for phpeclipse.de project by axelcl
+package net.sourceforge.phpdt.ltk.core;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import net.sourceforge.phpdt.core.ISourceRange;
+import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
+import net.sourceforge.phpdt.core.compiler.InvalidInputException;
+import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
+import net.sourceforge.phpdt.internal.compiler.parser.SyntaxError;
+import net.sourceforge.phpdt.internal.core.SourceMethod;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.ltk.core.refactoring.Change;
+import org.eclipse.ltk.core.refactoring.CompositeChange;
+import org.eclipse.ltk.core.refactoring.RefactoringStatus;
+import org.eclipse.ltk.core.refactoring.TextFileChange;
+import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
+import org.eclipse.ltk.core.refactoring.participants.IConditionChecker;
+import org.eclipse.ltk.core.refactoring.participants.ValidateEditChecker;
+import org.eclipse.text.edits.MultiTextEdit;
+import org.eclipse.text.edits.ReplaceEdit;
+
+/**
+ * <p>
+ * delegate object that contains the logic used by the processor.
+ * </p>
+ *
+ */
+public class RenameLocalVariableDelegate extends RenameIdentifierDelegate {
+
+ public RenameLocalVariableDelegate(final RenameIdentifierInfo info) {
+ super(info);
+ }
+
+ RefactoringStatus checkInitialConditions() {
+ RefactoringStatus result = new RefactoringStatus();
+ IFile sourceFile = info.getSourceFile();
+ if (sourceFile == null || !sourceFile.exists()) {
+ result.addFatalError(CoreTexts.renamePropertyDelegate_noSourceFile);
+ } else if (info.getSourceFile().isReadOnly()) {
+ result.addFatalError(CoreTexts.renamePropertyDelegate_roFile);
+ } else if (isEmpty(info.getOldName())) {
+ // || !isPropertyKey( info.getSourceFile(), info.getOldName() ) ) {
+ result.addFatalError(CoreTexts.renamePropertyDelegate_noPHPKey);
+ }
+ return result;
+ }
+
+ RefactoringStatus checkFinalConditions(final IProgressMonitor pm, final CheckConditionsContext ctxt) {
+ RefactoringStatus result = new RefactoringStatus();
+ pm.beginTask(CoreTexts.renamePropertyDelegate_checking, 100);
+ // do something long-running here: traverse the entire project (or even
+ // workspace) to look for all *.p files with the same bundle
+ // base name
+ IFile file = info.getSourceFile();
+ IProject project = file.getProject();
+ try {
+ SourceMethod method = info.getMethod();
+ ISourceRange range = method.getSourceRange();
+ if (project.isNatureEnabled(PHPeclipsePlugin.PHP_NATURE_ID)) {
+ determineMethodOffsets(file, range.getOffset(), range.getLength(), result);
+ }
+ } catch (CoreException e) {
+ String msg = "Project: " + project.getLocation().toOSString() + " CoreException " + e.getMessage();
+ result.addError(msg);
+ } catch (Exception e) {
+ String msg = "Project: " + project.getLocation().toOSString() + " Exception " + e.getMessage();
+ result.addError(msg);
+ }
+
+ pm.worked(50);
+
+ if (ctxt != null) {
+ IFile[] files = new IFile[phpFiles.size()];
+ phpFiles.keySet().toArray(files);
+ IConditionChecker checker = ctxt.getChecker(ValidateEditChecker.class);
+ ValidateEditChecker editChecker = (ValidateEditChecker) checker;
+ editChecker.addFiles(files);
+ }
+ pm.done();
+ return result;
+ }
+
+ protected void createChange(final IProgressMonitor pm, final CompositeChange rootChange) {
+ try {
+ pm.beginTask(CoreTexts.renamePropertyDelegate_collectingChanges, 100);
+ // all files in the same bundle
+ rootChange.addAll(createChangesForContainer(pm));
+ } finally {
+ pm.done();
+ }
+ }
+
+ // finds the offsets of the identifier to rename
+ // usually, this would be the job of a proper parser;
+ // using a primitive brute-force approach here
+ private void determineMethodOffsets(final IFile file, int offset, int length, final RefactoringStatus status) {
+ ArrayList matches = new ArrayList();
+ try {
+ String content = readFileContent(file, status);
+ String methodString = content.substring(offset, offset + length);
+ Scanner scanner = new Scanner(true, false);
+ scanner.setSource(methodString.toCharArray());
+ scanner.setPHPMode(true);
+ char[] word = info.getOldName().toCharArray();
+
+ int fToken = ITerminalSymbols.TokenNameEOF;
+ try {
+ fToken = scanner.getNextToken();
+ while (fToken != ITerminalSymbols.TokenNameEOF) {
+ if (fToken == ITerminalSymbols.TokenNameVariable) {
+ if (scanner.equalsCurrentTokenSource(word)) {
+ matches.add(Integer.valueOf(scanner.getCurrentTokenStartPosition() + offset));
+ }
+ }
+ fToken = scanner.getNextToken();
+ }
+
+ } catch (InvalidInputException e) {
+ String msg = "File: " + file.getLocation().toOSString() + " InvalidInputException " + e.getMessage();
+ status.addError(msg);
+ } catch (SyntaxError e) {
+ String msg = "File: " + file.getLocation().toOSString() + " SyntaxError " + e.getMessage();
+ status.addError(msg);
+ }
+
+ } catch (Exception e) {
+ String msg = "File: " + file.getLocation().toOSString() + " Exception " + e.getMessage();
+ status.addError(msg);
+ }
+ if (matches.size() > 0) {
+ phpFiles.put(file, matches);
+ }
+ }
+
+ private String readFileContent(final IFile file, final RefactoringStatus refStatus) {
+ String result = null;
+ try {
+ InputStream is = file.getContents();
+ byte[] buf = new byte[1024];
+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ int len = is.read(buf);
+ while (len > 0) {
+ bos.write(buf, 0, len);
+ len = is.read(buf);
+ }
+ is.close();
+ result = new String(bos.toByteArray());
+ } catch (Exception ex) {
+ String msg = ex.toString();
+ refStatus.addFatalError(msg);
+ String pluginId = PHPeclipsePlugin.getPluginId();
+ IStatus status = new Status(IStatus.ERROR, pluginId, 0, msg, ex);
+ PHPeclipsePlugin.getDefault().getLog().log(status);
+ }
+ return result;
+ }
+
+}
git://secure.phpeclipse.com / phpeclipse.git / blobdiff