import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.texteditor.ITextEditorExtension3;
-
/**
- * Auto indent strategy for java strings
+ * Auto indent strategy for double quoted PHP strings
*/
-public class JavaStringAutoIndentStrategyDQ extends DefaultIndentLineAutoEditStrategy {
+public class JavaStringAutoIndentStrategyDQ extends
+ DefaultIndentLineAutoEditStrategy {
private String fPartitioning;
/**
* The input string doesn't contain any line delimiter.
*
- * @param inputString the given input string
+ * @param inputString
+ * the given input string
* @return the displayable string.
*/
- private String displayString(String inputString, String indentation, String delimiter) {
-
+ 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()) {
+ 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); //$NON-NLS-1$
}
StringBuffer tokenBuffer = new StringBuffer();
- for (int i = 0; i < token.length(); i++){
+
+ 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);
+ 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.
+ * Creates a new Java string auto indent strategy for the given document
+ * partitioning.
*
- * @param partitioning the document partitioning
+ * @param partitioning
+ * the document partitioning
*/
- public JavaStringAutoIndentStrategyDQ(String partitioning) {
- super();
- fPartitioning= partitioning;
+ public JavaStringAutoIndentStrategyDQ (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;
+ /**
+ * Check whether the 'text' is one of the allowed line delimiters (e.g. \n \r)
+ *
+ * @param document The document object for which we do the check
+ * @param text The text with the possible delimiter
+ * @return
+ * - true if 'text' is a valid delimiter
+ * - false if 'text' is not a valid delimiter
+ */
+ 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 {
-
+
+ /**
+ * Get back the indentation of the line to which the offset belongs.
+ *
+ * It searches the first occurrence of a white space (non space/non tab)
+ *
+ * @param document
+ * @param offset
+ * @return
+ * @throws BadLocationException
+ */
+ private String getLineIndentation (IDocument document, int offset)
+ throws BadLocationException {
+ String indentation = "";
+ int start;
+ int end;
+ int length = 0;
+
// 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);
+ int adjustedOffset = (offset == document.getLength() ? offset - 1 : offset);// Check whether the offset is not at the end of file
+ IRegion line = document.getLineInformationOfOffset (adjustedOffset); // Get the start and the length of the line
+
+ start = line.getOffset (); // Get the start of the line
+ end = findStringStart (document, start, offset);
+
+ IPreferenceStore preferenceStore = PHPeclipsePlugin.getDefault().getPreferenceStore();
+
+ int tabWidth = preferenceStore.getInt (PreferenceConstants.EDITOR_TAB_WIDTH);
+
+ for (int pos = start; pos < end; pos++) {
+ if (document.getChar (pos) == '\t') { // If the character is a tab
+ length += tabWidth; // take the tab width for calculating the indentation length
+ }
+ else { // If it's just a space
+ length++; // add one character to the indentation length
+ }
+ }
+
+ if (preferenceStore.getBoolean (PreferenceConstants.EDITOR_SPACES_FOR_TABS)) { // Indentation with spaces only
+ if (length > 0) {
+ indentation = String.format ("%" + length + "s", "");
+ }
+ }
+ else { // Indentation with tabs
+ if (length > 0) {
+ int spaces;
+ int tabs;
+ tabs = length / tabWidth;
+ spaces = length % tabWidth;
+
+ indentation = new String (new char[tabs]).replace('\0', '\t');
+
+ if (spaces > 0) {
+ indentation += String.format ("%" + spaces + "s", "");
+ }
+ }
+ }
+
+ return indentation;
}
-
- private String getModifiedText(String string, String indentation, String delimiter) throws BadLocationException {
- return displayString(string, indentation, delimiter);
+
+ /**
+ * Return the position of the string start (first occurrence of a quote or double quote)
+ *
+ * @param offset
+ * @param start
+ * @param document
+ * @return
+ */
+ private int findStringStart(IDocument document, int offset, int end) throws BadLocationException {
+ while (offset < end) {
+ char c = document.getChar (offset);
+
+ if ((c == '\'') || (c == '\"')) {
+ return offset;
+ }
+
+ offset++;
+ }
+
+ return end;
}
- private void javaStringIndentAfterNewLine(IDocument document, DocumentCommand command) throws BadLocationException {
+ /**
+ *
+ * @param string
+ * @param indentation
+ * @param delimiter
+ * @return
+ * @throws BadLocationException
+ */
+ private String getModifiedText (String string, String indentation, String delimiter)
+ throws BadLocationException {
+ return displayString (string, indentation, delimiter);
+ }
- ITypedRegion partition= TextUtilities.getPartition(document, fPartitioning, command.offset, false);
- int offset= partition.getOffset();
- int length= partition.getLength();
+ /**
+ *
+ * @param document
+ * @param command
+ * @throws BadLocationException
+ */
+ 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);
+ // 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) == '\"')
+ 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"); //$NON-NLS-1$
+ String indentation = getLineIndentation (document, command.offset);
+ String delimiter = TextUtilities.getDefaultLineDelimiter (document);
- 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_DQ))
- command.text= getModifiedText(command.text, indentation, delimiter);
+ IRegion line = document.getLineInformationOfOffset (offset);
+ String string = document.get (line.getOffset(),
+ offset - line.getOffset()); // Get the current line as string
+/*
+ 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_DQ)) {
+ command.text = getModifiedText(command.text, indentation, delimiter);
+ }
}
- private boolean isSmartMode() {
- IWorkbenchPage page= PHPeclipsePlugin.getActivePage();
- if (page != null) {
- IEditorPart part= page.getActiveEditor();
+ /**
+ *
+ * @return
+ */
+ private boolean isSmartMode () {
+ IWorkbenchPage page = PHPeclipsePlugin.getActivePage();
+
+ if (page != null) {
+ IEditorPart part = page.getActiveEditor ();
+
if (part instanceof ITextEditorExtension3) {
- ITextEditorExtension3 extension= (ITextEditorExtension3) part;
+ ITextEditorExtension3 extension = (ITextEditorExtension3) part;
return extension.getInsertMode() == ITextEditorExtension3.SMART_INSERT;
}
}
+
return false;
}
/*
- * @see org.eclipse.jface.text.IAutoIndentStrategy#customizeDocumentCommand(IDocument, DocumentCommand)
+ * @see org.eclipse.jface.text.IAutoIndentStrategy#customizeDocumentCommand(IDocument,
+ * DocumentCommand)
*/
- public void customizeDocumentCommand(IDocument document, DocumentCommand command) {
+ public void customizeDocumentCommand (IDocument document, DocumentCommand command) {
try {
- if (command.length != 0 || command.text == null)
+ if ((command.length != 0) ||
+ (command.text == null)) {
return;
+ }
- IPreferenceStore preferenceStore= PHPeclipsePlugin.getDefault().getPreferenceStore();
+ IPreferenceStore preferenceStore = PHPeclipsePlugin.getDefault().getPreferenceStore();
- if (preferenceStore.getBoolean(PreferenceConstants.EDITOR_WRAP_STRINGS_DQ) && isSmartMode())
- javaStringIndentAfterNewLine(document, command);
+ if (preferenceStore.getBoolean (PreferenceConstants.EDITOR_WRAP_STRINGS_DQ) && isSmartMode ()) {
+ javaStringIndentAfterNewLine (document, command);
+ }
} catch (BadLocationException e) {
}