*/
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 <code>null</code>).
- */
- 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, <code>null</code> if no local
- * array exists.
- */
-// public String guessArray() {
-// return firstOrNull(guessArrays());
-// }
-
- /**
- * Returns the name of a guessed local array, <code>null</code> 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, <code>null</code> 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, <code>null</code> 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, <code>null</code> 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, <code>null</code>
- * if no local array exists.
- */
-// public String guessArrayElement() {
-// return firstOrNull(guessArrayElements());
-// }
- /**
- * Returns a proposal for a variable name of a local array element, <code>null</code>
- * 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, <code>null</code>
- * 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, <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() {
-// 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,
- * <code>null</code> 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();
- }
+ /** 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 <code>null</code>).
+ */
+ 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();
+ // axelcl start
+ // boolean useCodeFormatter = prefs.getBoolean(PreferenceConstants.TEMPLATES_USE_CODEFORMATTER);
+ boolean useCodeFormatter = false;
+ // axelcl end
+
+ JavaFormatter formatter = new JavaFormatter(lineDelimiter, getIndentation(), useCodeFormatter);
+ formatter.format(buffer, this);
+ // debug start
+ // String res = buffer.getString();
+ // res = res.replaceAll("\n","/n");
+ // res = res.replaceAll("\t","/t");
+ // System.out.println(res);
+ // debug end
+ 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, <code>null</code> if no local array exists.
+ */
+ // public String guessArray() {
+ // return firstOrNull(guessArrays());
+ // }
+ /**
+ * Returns the name of a guessed local array, <code>null</code> 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, <code>null</code> 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, <code>null</code> 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, <code>null</code> 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, <code>null</code> if no local array exists.
+ */
+ // public String guessArrayElement() {
+ // return firstOrNull(guessArrayElements());
+ // }
+ /**
+ * Returns a proposal for a variable name of a local array element, <code>null</code> 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, <code>null</code> 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, <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() {
+ // 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, <code>null</code> 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();
+ }
}
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