X-Git-Url: http://git.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/corext/template/php/JavaContext.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/corext/template/php/JavaContext.java deleted file mode 100644 index 30cebda..0000000 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/corext/template/php/JavaContext.java +++ /dev/null @@ -1,621 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 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.internal.corext.Assert; -import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitCompletion.LocalVariable; -import net.sourceforge.phpdt.internal.corext.util.Strings; -import net.sourceforge.phpdt.internal.ui.preferences.CodeFormatterPreferencePage; -import net.sourceforge.phpdt.internal.ui.text.template.contentassist.MultiVariable; -import net.sourceforge.phpdt.internal.ui.util.ExceptionHandler; -import net.sourceforge.phpdt.ui.PreferenceConstants; -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.jface.text.IRegion; -import org.eclipse.jface.text.templates.Template; -import org.eclipse.jface.text.templates.TemplateBuffer; -import org.eclipse.jface.text.templates.TemplateContextType; -import org.eclipse.jface.text.templates.TemplateException; -import org.eclipse.jface.text.templates.TemplateTranslator; -import org.eclipse.jface.text.templates.TemplateVariable; -import org.eclipse.swt.widgets.Shell; - -/** - * A context for java source. - */ -public class JavaContext extends CompilationUnitContext { - - /** 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 compilationUnit the compilation unit (may be null). - */ - public JavaContext(TemplateContextType 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, CodeFormatterPreferencePage.getTabSize()); -// return Strings.computeIndent(lineContent, CodeFormatterUtil.getTabWidth()); - } catch (BadLocationException e) { - return 0; - } - } - - - - /* - * @see TemplateContext#evaluate(Template template) - */ - public TemplateBuffer evaluate(Template template) throws BadLocationException, TemplateException { - - if (!canEvaluate(template)) - throw new TemplateException(JavaTemplateMessages.getString("Context.error.cannot.evaluate")); //$NON-NLS-1$ - - TemplateTranslator translator= new TemplateTranslator() { - /* - * @see org.eclipse.jface.text.templates.TemplateTranslator#createVariable(java.lang.String, java.lang.String, int[]) - */ - protected TemplateVariable createVariable(String type, String name, int[] offsets) { - return new MultiVariable(type, name, offsets); - } - }; - TemplateBuffer buffer= translator.translate(template); - - getContextType().resolve(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); - -// JavaFormatter formatter= new JavaFormatter(lineDelimiter, getIndentation(), useCodeFormatter); -// formatter.format(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().getId()) && - key.length() != 0 && template.getName().toLowerCase().startsWith(key.toLowerCase()); - } - - public boolean canEvaluate(String identifier) { - String prefix = getKey(); - return - identifier.toLowerCase().startsWith(prefix.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 net.sourceforge.phpdt.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 net.sourceforge.phpdt.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 static void handleException(Shell shell, Exception e) { - String title= JavaTemplateMessages.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; -// } - - /** - * Returns the name of a guessed local array, null if no local - * array exists. - */ -// public String guessArray() { -// return firstOrNull(guessArrays()); -// } - - /** - * Returns the name of a guessed local array, null if no local - * array exists. - */ -// public String[] guessArrays() { -// CompilationUnitCompletion completion= getCompletion(); -// LocalVariable[] localArrays= completion.findLocalArrays(); -// -// String[] ret= new String[localArrays.length]; -// for (int i= 0; i < ret.length; i++) { -// ret[ret.length - i - 1]= localArrays[i].name; -// } -// return ret; -// } - - /** - * Returns the name of the type of a local array, null if no local - * array exists. - */ -// public String guessArrayType() { -// return firstOrNull(guessArrayTypes()); -// } - - private String firstOrNull(String[] strings) { - if (strings.length > 0) - return strings[0]; - else - return null; - } - - /** - * Returns the name of the type of a local array, null if no local - * array exists. - */ -// public String[][] guessGroupedArrayTypes() { -// CompilationUnitCompletion completion= getCompletion(); -// LocalVariable[] localArrays= completion.findLocalArrays(); -// -// String[][] ret= new String[localArrays.length][]; -// -// for (int i= 0; i < localArrays.length; i++) { -// String type= getArrayTypeFromLocalArray(completion, localArrays[localArrays.length - i - 1]); -// ret[i]= new String[] {type}; -// } -// -// return ret; -// } - - /** - * Returns the name of the type of a local array, null if no local - * array exists. - */ -// public String[] guessArrayTypes() { -// CompilationUnitCompletion completion= getCompletion(); -// LocalVariable[] localArrays= completion.findLocalArrays(); -// -// List ret= new ArrayList(); -// -// for (int i= 0; i < localArrays.length; i++) { -// String type= getArrayTypeFromLocalArray(completion, localArrays[localArrays.length - i - 1]); -// if (!ret.contains(type)) -// ret.add(type); -// } -// -// return (String[]) ret.toArray(new String[ret.size()]); -// } - - private String getArrayTypeFromLocalArray(CompilationUnitCompletion completion, LocalVariable array) { - String arrayTypeName= array.typeName; - String typeName= getScalarType(arrayTypeName); - int dimension= getArrayDimension(arrayTypeName) - 1; - Assert.isTrue(dimension >= 0); - - String qualifiedName= createQualifiedTypeName(array.typePackageName, typeName); - String innerTypeName= completion.simplifyTypeName(qualifiedName); - - return innerTypeName == null - ? createArray(typeName, dimension) - : createArray(innerTypeName, dimension); - } - - 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, null - * if no local array exists. - */ -// public String guessArrayElement() { -// return firstOrNull(guessArrayElements()); -// } - /** - * Returns a proposal for a variable name of a local array element, null - * if no local array exists. - */ -// public String[] guessArrayElements() { -// ICompilationUnit cu= getCompilationUnit(); -// if (cu == null) { -// return new String[0]; -// } -// -// CompilationUnitCompletion completion= getCompletion(); -// LocalVariable[] localArrays= completion.findLocalArrays(); -// -// List ret= new ArrayList(); -// -// for (int i= 0; i < localArrays.length; i++) { -// int idx= localArrays.length - i - 1; -// -// LocalVariable var= localArrays[idx]; -// -// IJavaProject project= cu.getJavaProject(); -// String typeName= var.typeName; -// String baseTypeName= typeName.substring(0, typeName.lastIndexOf('[')); -// -// String indexName= getIndex(); -// String[] excludedNames= completion.getLocalVariableNames(); -// if (indexName != null) { -// ArrayList excludedNamesList= new ArrayList(Arrays.asList(excludedNames)); -// excludedNamesList.add(indexName); -// excludedNames= (String[])excludedNamesList.toArray(new String[excludedNamesList.size()]); -// } -// String[] proposals= NamingConventions.suggestLocalVariableNames(project, var.typePackageName, baseTypeName, 0, excludedNames); -// for (int j= 0; j < proposals.length; j++) { -// if (!ret.contains(proposals[j])) -// ret.add(proposals[j]); -// } -// } -// -// return (String[]) ret.toArray(new String[ret.size()]); -// } - - /** - * Returns a proposal for a variable name of a local array element, null - * if no local array exists. - */ -// public String[][] guessGroupedArrayElements() { -// ICompilationUnit cu= getCompilationUnit(); -// if (cu == null) { -// return new String[0][]; -// } -// -// CompilationUnitCompletion completion= getCompletion(); -// LocalVariable[] localArrays= completion.findLocalArrays(); -// -// String[][] ret= new String[localArrays.length][]; -// -// for (int i= 0; i < localArrays.length; i++) { -// int idx= localArrays.length - i - 1; -// -// LocalVariable var= localArrays[idx]; -// -// IJavaProject project= cu.getJavaProject(); -// String typeName= var.typeName; -// int dim= -1; // we expect at least one array -// int lastIndex= typeName.length(); -// int bracket= typeName.lastIndexOf('['); -// while (bracket != -1) { -// lastIndex= bracket; -// dim++; -// bracket= typeName.lastIndexOf('[', bracket - 1); -// } -// typeName= typeName.substring(0, lastIndex); -// -// String indexName= getIndex(); -// String[] excludedNames= completion.getLocalVariableNames(); -// if (indexName != null) { -// ArrayList excludedNamesList= new ArrayList(Arrays.asList(excludedNames)); -// excludedNamesList.add(indexName); -// excludedNames= (String[])excludedNamesList.toArray(new String[excludedNamesList.size()]); -// } -// String[] proposals= NamingConventions.suggestLocalVariableNames(project, var.typePackageName, typeName, dim, excludedNames); -// -// ret[i]= proposals; -// } -// -// return ret; -// } - - /** - * Returns an array index name. 'i', 'j', 'k' are tried until no name collision with - * an existing local variable occurs. If all names collide, null 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, null if no local collection - * exists. - */ -// public String guessCollection() { -// return firstOrNull(guessCollections()); -// } - - /** - * Returns the names of local collections. - */ -// public String[] guessCollections() { -// CompilationUnitCompletion completion= getCompletion(); -// try { -// LocalVariable[] localCollections= completion.findLocalCollections(); -// String[] ret= new String[localCollections.length]; -// for (int i= 0; i < ret.length; i++) { -// ret[ret.length - i - 1]= localCollections[i].name; -// } -// -// return ret; -// -// } catch (JavaModelException e) { -// JavaPlugin.log(e); -// } -// -// return new String[0]; -// } - - - /** - * Returns an iterator name ('iter'). If 'iter' already exists as local variable, - * null is returned. - */ -// public String getIterator() { -// CompilationUnitCompletion completion= getCompletion(); -// String[] proposals= {"iter"}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ -// -// for (int i= 0; i != proposals.length; i++) { -// String proposal = proposals[i]; -// -// if (!completion.existsLocalName(proposal)) -// return proposal; -// } -// -// return null; -// } - - -// public void addIteratorImport() { -// ICompilationUnit cu= getCompilationUnit(); -// if (cu == null) { -// return; -// } -// -// try { -// Position position= new Position(getCompletionOffset(), getCompletionLength()); -// IDocument document= getDocument(); -// final String category= "__template_position_importer" + System.currentTimeMillis(); //$NON-NLS-1$ -// IPositionUpdater updater= new DefaultPositionUpdater(category); -// document.addPositionCategory(category); -// document.addPositionUpdater(updater); -// document.addPosition(position); -// -// CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(); -// ImportsStructure structure= new ImportsStructure(cu, settings.importOrder, settings.importThreshold, true); -// structure.addImport("java.util.Iterator"); //$NON-NLS-1$ -// structure.create(false, null); -// -// document.removePosition(position); -// document.removePositionUpdater(updater); -// document.removePositionCategory(category); -// -// setCompletionOffset(position.getOffset()); -// setCompletionLength(position.getLength()); -// -// } catch (CoreException e) { -// handleException(null, e); -// } catch (BadLocationException e) { -// handleException(null, e); -// } catch (BadPositionCategoryException 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, BadLocationException, TemplateException { - - TemplateContextType contextType= PHPeclipsePlugin.getDefault().getTemplateContextRegistry().getContextType("java"); //$NON-NLS-1$ - if (contextType == null) - throw new CoreException(new Status(IStatus.ERROR, PHPeclipsePlugin.PLUGIN_ID, IStatus.ERROR, JavaTemplateMessages.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(); - } - -} -