+++ /dev/null
-/*******************************************************************************
- * 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.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-import net.sourceforge.phpdt.internal.corext.util.CodeFormatterUtil;
-import net.sourceforge.phpdt.internal.corext.util.Strings;
-import net.sourceforge.phpdt.internal.ui.text.IPHPPartitions;
-import net.sourceforge.phpdt.internal.ui.text.JavaHeuristicScanner;
-import net.sourceforge.phpdt.internal.ui.text.JavaIndenter;
-//import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-import net.sourceforge.phpeclipse.ui.WebUI;
-
-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.ITypedRegion;
-import org.eclipse.jface.text.templates.DocumentTemplateContext;
-import org.eclipse.jface.text.templates.GlobalTemplateVariables;
-import org.eclipse.jface.text.templates.TemplateBuffer;
-import org.eclipse.jface.text.templates.TemplateContext;
-import org.eclipse.jface.text.templates.TemplateVariable;
-import org.eclipse.text.edits.DeleteEdit;
-import org.eclipse.text.edits.InsertEdit;
-import org.eclipse.text.edits.MalformedTreeException;
-import org.eclipse.text.edits.MultiTextEdit;
-import org.eclipse.text.edits.RangeMarker;
-import org.eclipse.text.edits.ReplaceEdit;
-import org.eclipse.text.edits.TextEdit;
-
-/**
- * A template editor using the Java formatter to format a template buffer.
- */
-public class JavaFormatter {
-
- private static final String MARKER = "/*${" + GlobalTemplateVariables.Cursor.NAME + "}*/"; //$NON-NLS-1$ //$NON-NLS-2$
-
- /** The line delimiter to use if code formatter is not used. */
- private final String fLineDelimiter;
-
- /** The initial indent level */
- private final int fInitialIndentLevel;
-
- /** The java partitioner */
- private boolean fUseCodeFormatter;
-
- /**
- * Creates a JavaFormatter with the target line delimiter.
- *
- * @param lineDelimiter
- * the line delimiter to use
- * @param initialIndentLevel
- * the initial indentation level
- * @param useCodeFormatter
- * <code>true</code> if the core code formatter should be used
- */
- public JavaFormatter(String lineDelimiter, int initialIndentLevel,
- boolean useCodeFormatter) {
- fLineDelimiter = lineDelimiter;
- fUseCodeFormatter = useCodeFormatter;
- fInitialIndentLevel = initialIndentLevel;
- }
-
- /**
- * Formats the template buffer.
- *
- * @param buffer
- * @param context
- * @throws BadLocationException
- */
- public void format(TemplateBuffer buffer, TemplateContext context)
- throws BadLocationException {
- try {
- if (fUseCodeFormatter)
- // try to format and fall back to indenting
- try {
- format(buffer, (JavaContext) context);
- } catch (BadLocationException e) {
- indent(buffer);
- } catch (MalformedTreeException e) {
- indent(buffer);
- }
- else
- indent(buffer);
-
- // don't trim the buffer if the replacement area is empty
- // case: surrounding empty lines with block
- if (context instanceof DocumentTemplateContext) {
- DocumentTemplateContext dtc = (DocumentTemplateContext) context;
- if (dtc.getStart() == dtc.getCompletionOffset())
- if (dtc.getDocument().get(dtc.getStart(),
- dtc.getEnd() - dtc.getEnd()).trim().length() == 0)
- return;
- }
-
- trimBegin(buffer);
- } catch (MalformedTreeException e) {
- throw new BadLocationException();
- }
- }
-
- private static int getCaretOffset(TemplateVariable[] variables) {
- for (int i = 0; i != variables.length; i++) {
- TemplateVariable variable = variables[i];
-
- if (variable.getType().equals(GlobalTemplateVariables.Cursor.NAME))
- return variable.getOffsets()[0];
- }
-
- return -1;
- }
-
- private boolean isInsideCommentOrString(String string, int offset) {
-
- IDocument document = new Document(string);
- WebUI.getDefault().getJavaTextTools()
- .setupJavaDocumentPartitioner(document);
-
- try {
- ITypedRegion partition = document.getPartition(offset);
- String partitionType = partition.getType();
-
- return partitionType != null
- && (partitionType
- .equals(IPHPPartitions.PHP_MULTILINE_COMMENT)
- || partitionType
- .equals(IPHPPartitions.PHP_SINGLELINE_COMMENT)
- || partitionType
- .equals(IPHPPartitions.PHP_STRING_DQ)
- || partitionType
- .equals(IPHPPartitions.PHP_STRING_SQ)
- || partitionType
- .equals(IPHPPartitions.PHP_STRING_HEREDOC) || partitionType
- .equals(IPHPPartitions.PHP_PHPDOC_COMMENT));
-
- } catch (BadLocationException e) {
- return false;
- }
- }
-
- private void format(TemplateBuffer templateBuffer, JavaContext context)
- throws BadLocationException {
- // XXX 4360, 15247
- // workaround for code formatter limitations
- // handle a special case where cursor position is surrounded by
- // whitespaces
-
- String string = templateBuffer.getString();
- TemplateVariable[] variables = templateBuffer.getVariables();
-
- int caretOffset = getCaretOffset(variables);
- if ((caretOffset > 0)
- && Character.isWhitespace(string.charAt(caretOffset - 1))
- && (caretOffset < string.length())
- && Character.isWhitespace(string.charAt(caretOffset))
- && !isInsideCommentOrString(string, caretOffset)) {
- List positions = variablesToPositions(variables);
-
- TextEdit insert = new InsertEdit(caretOffset, MARKER);
- string = edit(string, positions, insert);
- positionsToVariables(positions, variables);
- templateBuffer.setContent(string, variables);
-
- plainFormat(templateBuffer, context);
-
- string = templateBuffer.getString();
- variables = templateBuffer.getVariables();
- caretOffset = getCaretOffset(variables);
-
- positions = variablesToPositions(variables);
- TextEdit delete = new DeleteEdit(caretOffset, MARKER.length());
- string = edit(string, positions, delete);
- positionsToVariables(positions, variables);
- templateBuffer.setContent(string, variables);
-
- } else {
- plainFormat(templateBuffer, context);
- }
- }
-
- private void plainFormat(TemplateBuffer templateBuffer, JavaContext context)
- throws BadLocationException {
- }
-
- // private void plainFormat(TemplateBuffer templateBuffer, JavaContext
- // context) throws BadLocationException {
- //
- // IDocument doc= new Document(templateBuffer.getString());
- //
- // TemplateVariable[] variables= templateBuffer.getVariables();
- //
- // List offsets= variablesToPositions(variables);
- //
- // Map options;
- // if (context.getCompilationUnit() != null)
- // options= context.getCompilationUnit().getJavaProject().getOptions(true);
- // else
- // options= JavaCore.getOptions();
- //
- // TextEdit edit= CodeFormatterUtil.format2(CodeFormatter.K_UNKNOWN,
- // doc.get(), fInitialIndentLevel, fLineDelimiter, options);
- // if (edit == null)
- // throw new BadLocationException(); // fall back to indenting
- //
- // MultiTextEdit root;
- // if (edit instanceof MultiTextEdit)
- // root= (MultiTextEdit) edit;
- // else {
- // root= new MultiTextEdit(0, doc.getLength());
- // root.addChild(edit);
- // }
- // for (Iterator it= offsets.iterator(); it.hasNext();) {
- // TextEdit position= (TextEdit) it.next();
- // try {
- // root.addChild(position);
- // } catch (MalformedTreeException e) {
- // // position conflicts with formatter edit
- // // ignore this position
- // }
- // }
- //
- // root.apply(doc, TextEdit.UPDATE_REGIONS);
- //
- // positionsToVariables(offsets, variables);
- //
- // templateBuffer.setContent(doc.get(), variables);
- // }
-
- private void indent(TemplateBuffer templateBuffer)
- throws BadLocationException, MalformedTreeException {
-
- TemplateVariable[] variables = templateBuffer.getVariables();
- List positions = variablesToPositions(variables);
-
- IDocument document = new Document(templateBuffer.getString());
- MultiTextEdit root = new MultiTextEdit(0, document.getLength());
- root.addChildren((TextEdit[]) positions.toArray(new TextEdit[positions
- .size()]));
-
- JavaHeuristicScanner scanner = new JavaHeuristicScanner(document);
- JavaIndenter indenter = new JavaIndenter(document, scanner);
-
- // first line
- int offset = document.getLineOffset(0);
- TextEdit edit = new InsertEdit(offset, CodeFormatterUtil
- .createIndentString(fInitialIndentLevel));
- root.addChild(edit);
- root.apply(document, TextEdit.UPDATE_REGIONS);
- root.removeChild(edit);
-
- formatDelimiter(document, root, 0);
-
- // following lines
- int lineCount = document.getNumberOfLines();
-
- for (int line = 1; line < lineCount; line++) {
- IRegion region = document.getLineInformation(line);
- offset = region.getOffset();
- StringBuffer indent = indenter.computeIndentation(offset);
- if (indent == null)
- continue;
- // axelcl delete start
- // int nonWS =
- // scanner.findNonWhitespaceForwardInAnyPartition(offset, offset +
- // region.getLength());
- // if (nonWS == JavaHeuristicScanner.NOT_FOUND)
- // continue;
- // edit = new ReplaceEdit(offset, nonWS - offset,
- // indent.toString());
- // axelcl delete end
- // axelcl insert start
- int nonWS = offset;
- edit = new ReplaceEdit(offset, nonWS - offset, CodeFormatterUtil
- .createIndentString(fInitialIndentLevel));
- // axelcl insert end
- root.addChild(edit);
- root.apply(document, TextEdit.UPDATE_REGIONS);
- root.removeChild(edit);
-
- formatDelimiter(document, root, line);
- }
-
- positionsToVariables(positions, variables);
- templateBuffer.setContent(document.get(), variables);
- }
-
- /**
- * Changes the delimiter to the configured line delimiter.
- *
- * @param document
- * the temporary document being edited
- * @param root
- * the root edit containing all positions that will be updated
- * along the way
- * @param line
- * the line to format
- * @throws BadLocationException
- * if applying the changes fails
- */
- private void formatDelimiter(IDocument document, MultiTextEdit root,
- int line) throws BadLocationException {
- IRegion region = document.getLineInformation(line);
- String lineDelimiter = document.getLineDelimiter(line);
- if (lineDelimiter != null) {
- TextEdit edit = new ReplaceEdit(region.getOffset()
- + region.getLength(), lineDelimiter.length(),
- fLineDelimiter);
- root.addChild(edit);
- root.apply(document, TextEdit.UPDATE_REGIONS);
- root.removeChild(edit);
- }
- }
-
- private static void trimBegin(TemplateBuffer templateBuffer)
- throws BadLocationException {
- String string = templateBuffer.getString();
- TemplateVariable[] variables = templateBuffer.getVariables();
-
- List positions = variablesToPositions(variables);
-
- int i = 0;
- while ((i != string.length())
- && Character.isWhitespace(string.charAt(i)))
- i++;
-
- string = edit(string, positions, new DeleteEdit(0, i));
- positionsToVariables(positions, variables);
-
- templateBuffer.setContent(string, variables);
- }
-
- private static String edit(String string, List positions, TextEdit edit)
- throws BadLocationException {
- MultiTextEdit root = new MultiTextEdit(0, string.length());
- root.addChildren((TextEdit[]) positions.toArray(new TextEdit[positions
- .size()]));
- root.addChild(edit);
- IDocument document = new Document(string);
- root.apply(document);
-
- return document.get();
- }
-
- private static List variablesToPositions(TemplateVariable[] variables) {
- List positions = new ArrayList(5);
- for (int i = 0; i != variables.length; i++) {
- int[] offsets = variables[i].getOffsets();
-
- // trim positions off whitespace
- String value = variables[i].getDefaultValue();
- int wsStart = 0;
- while (wsStart < value.length()
- && Character.isWhitespace(value.charAt(wsStart))
- && !Strings.isLineDelimiterChar(value.charAt(wsStart)))
- wsStart++;
-
- variables[i].getValues()[0] = value.substring(wsStart);
-
- for (int j = 0; j != offsets.length; j++) {
- offsets[j] += wsStart;
- positions.add(new RangeMarker(offsets[j], 0));
- }
- }
- return positions;
- }
-
- private static void positionsToVariables(List positions,
- TemplateVariable[] variables) {
- Iterator iterator = positions.iterator();
-
- for (int i = 0; i != variables.length; i++) {
- TemplateVariable variable = variables[i];
-
- int[] offsets = new int[variable.getOffsets().length];
- for (int j = 0; j != offsets.length; j++)
- offsets[j] = ((TextEdit) iterator.next()).getOffset();
-
- variable.setOffsets(offsets);
- }
- }
-}
\ No newline at end of file
git://git.phpeclipse.com / phpeclipse.git / blobdiff