X-Git-Url: http://secure.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 index 2ce6d3e..ea92cff 100644 --- 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 @@ -10,23 +10,22 @@ *******************************************************************************/ package net.sourceforge.phpdt.internal.corext.template.php; -import java.lang.reflect.InvocationTargetException; +//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.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.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.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; @@ -37,564 +36,628 @@ 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; +//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(); - // 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, 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(); - } + /** 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(); + // 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)) || (document + .getChar(start - 1) == '$'))) + start--; + + return start; + + } else { + + int start = getCompletionOffset(); + int end = getCompletionOffset() + getCompletionLength(); + + while (start != 0 + && Character.isUnicodeIdentifierPart(document + .getChar(start - 1))) + start--; + if ((start != 0) + && (Character.isUnicodeIdentifierStart(document + .getChar(start - 1)) || (document + .getChar(start - 1) == '$'))) + 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(); + } } -