--- /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.ui.text.java;
+
+import net.sourceforge.phpdt.ui.PreferenceConstants;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.DefaultAutoIndentStrategy;
+import org.eclipse.jface.text.DocumentCommand;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ITypedRegion;
+import org.eclipse.jface.text.TextUtilities;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.texteditor.ITextEditorExtension3;
+
+
+/**
+ * Auto indent strategy for java strings
+ */
+public class JavaStringAutoIndentStrategySQ extends DefaultAutoIndentStrategy {
+
+ private String fPartitioning;
+
+ /**
+ * The input string doesn't contain any line delimiter.
+ *
+ * @param inputString the given input string
+ * @return the displayable string.
+ */
+ private String displayString(String inputString, String indentation, String delimiter) {
+
+ int length = inputString.length();
+ StringBuffer buffer = new StringBuffer(length);
+ java.util.StringTokenizer tokenizer = new java.util.StringTokenizer(inputString, "\n\r", true); //$NON-NLS-1$
+ while (tokenizer.hasMoreTokens()){
+
+ String token = tokenizer.nextToken();
+ if (token.equals("\r")) { //$NON-NLS-1$
+ buffer.append("\\r"); //$NON-NLS-1$
+ if (tokenizer.hasMoreTokens()) {
+ token = tokenizer.nextToken();
+ if (token.equals("\n")) { //$NON-NLS-1$
+ buffer.append("\\n"); //$NON-NLS-1$
+ buffer.append("\' . " + delimiter); //$NON-NLS-1$
+ buffer.append(indentation);
+ buffer.append("\'"); //$NON-NLS-1$
+ continue;
+ } else {
+ buffer.append("\' . " + delimiter); //$NON-NLS-1$
+ buffer.append(indentation);
+ buffer.append("\'"); //$NON-NLS-1$
+ }
+ } else {
+ continue;
+ }
+ } else if (token.equals("\n")) { //$NON-NLS-1$
+ buffer.append("\\n"); //$NON-NLS-1$
+ buffer.append("\' . " + delimiter); //$NON-NLS-1$
+ buffer.append(indentation);
+ buffer.append("\'"); //$NON-NLS-1$
+ continue;
+ }
+
+ StringBuffer tokenBuffer = new StringBuffer();
+ for (int i = 0; i < token.length(); i++){
+ char c = token.charAt(i);
+ switch (c) {
+ case '\r' :
+ tokenBuffer.append("\\r"); //$NON-NLS-1$
+ break;
+ case '\n' :
+ tokenBuffer.append("\\n"); //$NON-NLS-1$
+ break;
+ case '\b' :
+ tokenBuffer.append("\\b"); //$NON-NLS-1$
+ break;
+ case '\t' :
+ // keep tabs verbatim
+ tokenBuffer.append("\t"); //$NON-NLS-1$
+ break;
+ case '\f' :
+ tokenBuffer.append("\\f"); //$NON-NLS-1$
+ break;
+ case '\"' :
+ tokenBuffer.append("\\\""); //$NON-NLS-1$
+ break;
+ case '\'' :
+ tokenBuffer.append("\\'"); //$NON-NLS-1$
+ break;
+ case '\\' :
+ tokenBuffer.append("\\\\"); //$NON-NLS-1$
+ break;
+ default :
+ tokenBuffer.append(c);
+ }
+ }
+ buffer.append(tokenBuffer);
+ }
+ return buffer.toString();
+ }
+
+ /**
+ * Creates a new Java string auto indent strategy for the given document partitioning.
+ *
+ * @param partitioning the document partitioning
+ */
+ public JavaStringAutoIndentStrategySQ(String partitioning) {
+ super();
+ fPartitioning= partitioning;
+ }
+
+ private boolean isLineDelimiter(IDocument document, String text) {
+ String[] delimiters= document.getLegalLineDelimiters();
+ if (delimiters != null)
+ return TextUtilities.equals(delimiters, text) > -1;
+ return false;
+ }
+
+ private String getLineIndentation(IDocument document, int offset) throws BadLocationException {
+
+ // find start of line
+ int adjustedOffset= (offset == document.getLength() ? offset - 1 : offset);
+ IRegion line= document.getLineInformationOfOffset(adjustedOffset);
+ int start= line.getOffset();
+
+ // find white spaces
+ int end= findEndOfWhiteSpace(document, start, offset);
+
+ return document.get(start, end - start);
+ }
+
+ private String getModifiedText(String string, String indentation, String delimiter) throws BadLocationException {
+ return displayString(string, indentation, delimiter);
+ }
+
+ private void javaStringIndentAfterNewLine(IDocument document, DocumentCommand command) throws BadLocationException {
+
+ ITypedRegion partition= TextUtilities.getPartition(document, fPartitioning, command.offset, false);
+ int offset= partition.getOffset();
+ int length= partition.getLength();
+
+ if (command.offset == offset) {
+ // we are really just before the string partition -> feet the event through the java indenter
+ // new JavaAutoIndentStrategy(fPartitioning).customizeDocumentCommand(document, command);
+ return;
+ }
+
+ if (command.offset == offset + length && document.getChar(offset + length - 1) == '\'')
+ return;
+
+ String indentation= getLineIndentation(document, command.offset);
+ String delimiter= TextUtilities.getDefaultLineDelimiter(document);
+
+ IRegion line= document.getLineInformationOfOffset(offset);
+ String string= document.get(line.getOffset(), offset - line.getOffset());
+ if (string.trim().length() != 0)
+ indentation += String.valueOf("\t\t"); //$NON-NLS-1$
+
+ IPreferenceStore preferenceStore= PHPeclipsePlugin.getDefault().getPreferenceStore();
+ if (isLineDelimiter(document, command.text))
+ command.text= "\' ." + command.text + indentation + "\'"; //$NON-NLS-1$//$NON-NLS-2$
+ else if (command.text.length() > 1 && preferenceStore.getBoolean(PreferenceConstants.EDITOR_ESCAPE_STRINGS_SQ))
+ command.text= getModifiedText(command.text, indentation, delimiter);
+ }
+
+ private boolean isSmartMode() {
+ IWorkbenchPage page= PHPeclipsePlugin.getActivePage();
+ if (page != null) {
+ IEditorPart part= page.getActiveEditor();
+ if (part instanceof ITextEditorExtension3) {
+ ITextEditorExtension3 extension= (ITextEditorExtension3) part;
+ return extension.getInsertMode() == ITextEditorExtension3.SMART_INSERT;
+ }
+ }
+ return false;
+ }
+
+ /*
+ * @see org.eclipse.jface.text.IAutoIndentStrategy#customizeDocumentCommand(IDocument, DocumentCommand)
+ */
+ public void customizeDocumentCommand(IDocument document, DocumentCommand command) {
+ try {
+ if (command.length != 0 || command.text == null)
+ return;
+
+ IPreferenceStore preferenceStore= PHPeclipsePlugin.getDefault().getPreferenceStore();
+
+ if (preferenceStore.getBoolean(PreferenceConstants.EDITOR_WRAP_STRINGS_SQ) && isSmartMode())
+ javaStringIndentAfterNewLine(document, command);
+
+ } catch (BadLocationException e) {
+ }
+ }
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff