+++ /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.corext.template.php;
-
-import java.lang.reflect.InvocationTargetException;
-
-import net.sourceforge.phpdt.core.ICompilationUnit;
-import net.sourceforge.phpdt.core.JavaModelException;
-import net.sourceforge.phpdt.internal.corext.Assert;
-import net.sourceforge.phpdt.internal.corext.template.ContextType;
-import net.sourceforge.phpdt.internal.corext.template.ContextTypeRegistry;
-import net.sourceforge.phpdt.internal.corext.template.Template;
-import net.sourceforge.phpdt.internal.corext.template.TemplateBuffer;
-import net.sourceforge.phpdt.internal.corext.template.TemplateTranslator;
-import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitCompletion.LocalVariable;
-import net.sourceforge.phpdt.internal.ui.util.ExceptionHandler;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.Status;
-import org.eclipse.jface.dialogs.MessageDialog;
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.Document;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.swt.widgets.Shell;
-
-/**
- * A context for java source.
- */
-public class JavaContext extends PHPUnitContext {
-
- /** The platform default line delimiter. */
- private static final String PLATFORM_LINE_DELIMITER= System.getProperty("line.separator"); //$NON-NLS-1$
-
- /** A code completion requestor for guessing local variable names. */
- private CompilationUnitCompletion fCompletion;
-
- /**
- * Creates a java template context.
- *
- * @param type the context type.
- * @param document the document.
- * @param completionOffset the completion offset within the document.
- * @param completionLength the completion length.
- * @param unit the compilation unit (may be <code>null</code>).
- */
- public JavaContext(ContextType type, IDocument document, int completionOffset, int completionLength,
- ICompilationUnit compilationUnit)
- {
- super(type, document, completionOffset, completionLength); //, compilationUnit);
- }
-
- /**
- * Returns the indentation level at the position of code completion.
- */
- private int getIndentation() {
-// int start= getStart();
-// IDocument document= getDocument();
-// try {
-// IRegion region= document.getLineInformationOfOffset(start);
-// String lineContent= document.get(region.getOffset(), region.getLength());
-// return Strings.computeIndent(lineContent, CodeFormatterUtil.getTabWidth());
-// } catch (BadLocationException e) {
-// return 0;
-// }
-return 0;
- }
-
- /*
- * @see TemplateContext#evaluate(Template template)
- */
- public TemplateBuffer evaluate(Template template) throws CoreException {
-
- if (!canEvaluate(template))
- return null;
-
- TemplateTranslator translator= new TemplateTranslator();
- TemplateBuffer buffer= translator.translate(template.getPattern());
-
- getContextType().edit(buffer, this);
-
- String lineDelimiter= null;
- try {
- lineDelimiter= getDocument().getLineDelimiter(0);
- } catch (BadLocationException e) {
- }
-
- if (lineDelimiter == null)
- lineDelimiter= PLATFORM_LINE_DELIMITER;
-
- IPreferenceStore prefs= PHPeclipsePlugin.getDefault().getPreferenceStore();
-// boolean useCodeFormatter= prefs.getBoolean(PreferenceConstants.TEMPLATES_USE_CODEFORMATTER);
-//
-// ITemplateEditor formatter= new JavaFormatter(lineDelimiter, getIndentation(), useCodeFormatter);
-// formatter.edit(buffer, this);
-
- return buffer;
- }
-
- /*
- * @see TemplateContext#canEvaluate(Template templates)
- */
- public boolean canEvaluate(Template template) {
- String key= getKey();
-
- if (fForceEvaluation)
- return true;
-
- return
- template.matches(key, getContextType().getName()) &&
- key.length() != 0 && template.getName().toLowerCase().startsWith(key.toLowerCase());
- }
-
- /*
- * @see DocumentTemplateContext#getCompletionPosition();
- */
- public int getStart() {
-
- try {
- IDocument document= getDocument();
-
- if (getCompletionLength() == 0) {
-
- int start= getCompletionOffset();
- while ((start != 0) && Character.isUnicodeIdentifierPart(document.getChar(start - 1)))
- start--;
-
- if ((start != 0) && Character.isUnicodeIdentifierStart(document.getChar(start - 1)))
- start--;
-
- return start;
-
- } else {
-
- int start= getCompletionOffset();
- int end= getCompletionOffset() + getCompletionLength();
-
- while (start != 0 && Character.isUnicodeIdentifierPart(document.getChar(start - 1)))
- start--;
-
- while (start != end && Character.isWhitespace(document.getChar(start)))
- start++;
-
- if (start == end)
- start= getCompletionOffset();
-
- return start;
- }
-
- } catch (BadLocationException e) {
- return super.getStart();
- }
- }
-
- /*
- * @see org.eclipse.jdt.internal.corext.template.DocumentTemplateContext#getEnd()
- */
- public int getEnd() {
-
- if (getCompletionLength() == 0)
- return super.getEnd();
-
- try {
- IDocument document= getDocument();
-
- int start= getCompletionOffset();
- int end= getCompletionOffset() + getCompletionLength();
-
- while (start != end && Character.isWhitespace(document.getChar(end - 1)))
- end--;
-
- return end;
-
- } catch (BadLocationException e) {
- return super.getEnd();
- }
- }
-
- /*
- * @see org.eclipse.jdt.internal.corext.template.DocumentTemplateContext#getKey()
- */
- public String getKey() {
-
- if (getCompletionLength() == 0)
- return super.getKey();
-
- try {
- IDocument document= getDocument();
-
- int start= getStart();
- int end= getCompletionOffset();
- return start <= end
- ? document.get(start, end - start)
- : ""; //$NON-NLS-1$
-
- } catch (BadLocationException e) {
- return super.getKey();
- }
- }
-
- /**
- * Returns the character before start position of completion.
- */
- public char getCharacterBeforeStart() {
- int start= getStart();
-
- try {
- return start == 0
- ? ' '
- : getDocument().getChar(start - 1);
-
- } catch (BadLocationException e) {
- return ' ';
- }
- }
-
- private CompilationUnitCompletion guessVariableNames() {
-// ICompilationUnit unit= getCompilationUnit();
-// int start= getStart();
-//
-// if (unit == null)
-// return null;
-//
-// try {
-// CompilationUnitCompletion collector= new CompilationUnitCompletion(unit);
-// unit.codeComplete(start, collector);
-// return collector;
-//
-// } catch (JavaModelException e) {
-// handleException(null, e);
-// return null;
-// }
- return null;
- }
-
-
- private static void handleException(Shell shell, Exception e) {
- String title= PHPTemplateMessages.getString("JavaContext.error.title"); //$NON-NLS-1$
- if (e instanceof CoreException)
- ExceptionHandler.handle((CoreException)e, shell, title, null);
- else if (e instanceof InvocationTargetException)
- ExceptionHandler.handle((InvocationTargetException)e, shell, title, null);
- else {
- PHPeclipsePlugin.log(e);
- MessageDialog.openError(shell, title, e.getMessage());
- }
- }
-
- private CompilationUnitCompletion getCompletion() {
-// ICompilationUnit compilationUnit= getCompilationUnit();
-// if (fCompletion == null) {
-// fCompletion= new CompilationUnitCompletion(compilationUnit);
-//
-// if (compilationUnit != null) {
-// try {
-// compilationUnit.codeComplete(getStart(), fCompletion);
-// } catch (JavaModelException e) {
-// // ignore
-// }
-// }
-// }
-//
-// return fCompletion;
- return null;
- }
-
- /**
- * Returns the name of a guessed local array, <code>null</code> if no local
- * array exists.
- */
- public String guessArray() {
- CompilationUnitCompletion completion= getCompletion();
- LocalVariable[] localArrays= completion.findLocalArrays();
-
- if (localArrays.length > 0)
- return localArrays[localArrays.length - 1].name;
-
- return null;
- }
-
- /**
- * Returns the name of the type of a local array, <code>null</code> if no local
- * array exists.
- */
- public String guessArrayType() {
- CompilationUnitCompletion completion= getCompletion();
- LocalVariable[] localArrays= completion.findLocalArrays();
-
- if (localArrays.length > 0) {
- LocalVariable localArray= localArrays[localArrays.length - 1];
-
- String arrayTypeName= localArray.typeName;
- String typeName= getScalarType(arrayTypeName);
- int dimension= getArrayDimension(arrayTypeName) - 1;
- Assert.isTrue(dimension >= 0);
-
- String qualifiedName= createQualifiedTypeName(localArray.typePackageName, typeName);
- String innerTypeName= completion.simplifyTypeName(qualifiedName);
-
- return innerTypeName == null
- ? createArray(typeName, dimension)
- : createArray(innerTypeName, dimension);
- }
-
- return null;
- }
-
- private static String createArray(String type, int dimension) {
- StringBuffer buffer= new StringBuffer(type);
- for (int i= 0; i < dimension; i++)
- buffer.append("[]"); //$NON-NLS-1$
- return buffer.toString();
- }
-
- private static String getScalarType(String type) {
- return type.substring(0, type.indexOf('['));
- }
-
- private static int getArrayDimension(String type) {
-
- int dimension= 0;
- int index= type.indexOf('[');
-
- while (index != -1) {
- dimension++;
- index= type.indexOf('[', index + 1);
- }
-
- return dimension;
- }
-
- private static String createQualifiedTypeName(String packageName, String className) {
- StringBuffer buffer= new StringBuffer();
-
- if (packageName.length() != 0) {
- buffer.append(packageName);
- buffer.append('.');
- }
- buffer.append(className);
-
- return buffer.toString();
- }
-
- /**
- * Returns a proposal for a variable name of a local array element, <code>null</code>
- * if no local array exists.
- */
- public String guessArrayElement() {
-// CompilationUnitCompletion completion= getCompletion();
-// LocalVariable[] localArrays= completion.findLocalArrays();
-//
-// if (localArrays.length > 0) {
-// int idx= localArrays.length - 1;
-//
-// LocalVariable var= localArrays[idx];
-//
-// IJavaProject project= getCompilationUnit().getJavaProject();
-// String typeName= var.typeName;
-// String baseTypeName= typeName.substring(0, typeName.lastIndexOf('['));
-//
-// String[] proposals= NamingConventions.suggestLocalVariableNames(project, var.typePackageName, baseTypeName, 0, completion.getLocalVariableNames());
-// if (proposals.length > 0) {
-// return proposals[0];
-// }
-// }
-
- return null;
- }
-
- /**
- * Returns an array index name. 'i', 'j', 'k' are tried until no name collision with
- * an existing local variable occurs. If all names collide, <code>null</code> is returned.
- */
- public String getIndex() {
- CompilationUnitCompletion completion= getCompletion();
- String[] proposals= {"i", "j", "k"}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
-
- for (int i= 0; i != proposals.length; i++) {
- String proposal = proposals[i];
-
- if (!completion.existsLocalName(proposal))
- return proposal;
- }
-
- return null;
- }
-
- /**
- * Returns the name of a local collection, <code>null</code> if no local collection
- * exists.
- */
- public String guessCollection() {
- CompilationUnitCompletion completion= getCompletion();
- try {
- LocalVariable[] localCollections= completion.findLocalCollections();
-
- if (localCollections.length > 0)
- return localCollections[localCollections.length - 1].name;
-
- } catch (JavaModelException e) {
- PHPeclipsePlugin.log(e);
- }
-
- return null;
- }
-
- /**
- * Returns an iterator name ('iter'). If 'iter' already exists as local variable,
- * <code>null</code> is returned.
- */
- public String getIterator() {
- CompilationUnitCompletion completion= getCompletion();
- String[] proposals= {"iter"}; //$NON-NLS-1$
-
- for (int i= 0; i != proposals.length; i++) {
- String proposal = proposals[i];
-
- if (!completion.existsLocalName(proposal))
- return proposal;
- }
-
- return null;
- }
-
-
-// public void addIteratorImport() {
-//
-// try {
-// CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings();
-// ImportsStructure structure= new ImportsStructure(getCompilationUnit(), settings.importOrder, settings.importThreshold, true);
-// structure.addImport("java.util.Iterator"); //$NON-NLS-1$
-// structure.create(false, null);
-//
-// } catch (CoreException e) {
-// handleException(null, e);
-// }
-// }
-
- /**
- * Evaluates a 'java' template in thecontext of a compilation unit
- */
- public static String evaluateTemplate(Template template, ICompilationUnit compilationUnit, int position) throws CoreException {
-
- ContextType contextType= ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- if (contextType == null)
- throw new CoreException(new Status(IStatus.ERROR, PHPeclipsePlugin.PLUGIN_ID, IStatus.ERROR, PHPTemplateMessages.getString("JavaContext.error.message"), null)); //$NON-NLS-1$
-
- IDocument document= new Document();
-// if (compilationUnit != null && compilationUnit.exists())
-// document.set(compilationUnit.getSource());
-
- JavaContext context= new JavaContext(contextType, document, position, 0, compilationUnit);
- context.setForceEvaluation(true);
-
- TemplateBuffer buffer= context.evaluate(template);
- if (buffer == null)
- return null;
- return buffer.getString();
- }
-
-}
-
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