*/
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);
- PHPeclipsePlugin.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);
- }
- }
+ 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);
+ PHPeclipsePlugin.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