public void reparseAll() {
SwtMateTextLocation startLocation = new SwtMateTextLocation(0, this);
SwtMateTextLocation endLocation = new SwtMateTextLocation(0 + document.getLength(), this);
if (this.mateText.parser.enabled) {
this.mateText.parser.changes.add(startLocation.getLine(), endLocation.getLine());
this.mateText.parser.processChanges();
}
}
@Test
public void useCase_ex1() {
when(stepLocator.findFirstStep(Mockito.anyString()))
.thenAnswer(
new Answer<StepCandidate>() {
@Override
public StepCandidate answer(InvocationOnMock invocation) throws Throwable {
System.out.println("StepScannerStyledTest.useCase_ex1(" + invocation + ")");
return candidate;
}
});
String[] expected = { //
"step_keyword ~ offset: 0, length: 6", //
"step_default ~ offset: 6, length: 18", //
"step_parameter_value ~ offset: 24, length: 6", //
"step_default ~ offset: 30, length: 33", //
"step_example_table_separator ~ offset: 63, length: 1", //
"step_example_table_cell ~ offset: 64, length: 3", //
"step_example_table_separator ~ offset: 67, length: 1", //
"step_example_table_cell ~ offset: 68, length: 5", //
"step_example_table_separator ~ offset: 73, length: 1", //
"step_default ~ offset: 74, length: 1", //
"comment ~ offset: 75, length: 17", //
"step_example_table_separator ~ offset: 92, length: 1", //
"step_example_table_cell ~ offset: 93, length: 5", //
"step_example_table_separator ~ offset: 98, length: 1", //
"step_example_table_cell ~ offset: 99, length: 6", //
"step_example_table_separator ~ offset: 105, length: 1", //
"step_default ~ offset: 106, length: 1", //
"step_example_table_separator ~ offset: 107, length: 1", //
"step_example_table_cell ~ offset: 108, length: 8", //
"step_example_table_separator ~ offset: 116, length: 1", //
"step_example_table_cell ~ offset: 117, length: 6", //
"step_example_table_separator ~ offset: 123, length: 1", //
"step_default ~ offset: 124, length: 1" //
};
int index = 0;
scanner.setRange(document, 0, document.getLength());
IToken token = scanner.nextToken();
while (!token.isEOF()) {
String actual =
(token.getData()
+ " ~ offset: "
+ scanner.getTokenOffset()
+ ", length: "
+ scanner.getTokenLength());
assertThat(actual, equalTo(expected[index++]));
token = scanner.nextToken();
}
assertThat(index, equalTo(expected.length));
}
public int getLineLength(int line) {
try {
int startOffset = document.getLineOffset(line);
int endOffset;
if (line + 1 < getLineCount()) {
endOffset = document.getLineOffset(line + 1);
} else {
endOffset = document.getLength();
}
return endOffset - startOffset;
} catch (BadLocationException e) {
System.out.printf("*** Warning BadLocationException");
e.printStackTrace();
return -1;
}
}
/** Determine the value type for a give propertyName. */
protected Type getValueType(String propertyName) {
try {
PropertyInfo prop = getIndex().get(propertyName);
if (prop != null) {
return TypeParser.parse(prop.getType());
} else {
prop = findLongestValidProperty(getIndex(), propertyName);
if (prop != null) {
Document doc = new Document(propertyName);
PropertyNavigator navigator =
new PropertyNavigator(doc, null, typeUtil, new Region(0, doc.getLength()));
return navigator.navigate(prop.getId().length(), TypeParser.parse(prop.getType()));
}
}
} catch (Exception e) {
BootActivator.log(e);
}
return null;
}
private int getPeerPosition(IDocument document, DocumentCommand command) {
if (document.getLength() == 0) return 0;
/*
* Search for scope closers in the pasted text and find their opening peers
* in the document.
*/
Document pasted = new Document(command.text);
installJavaStuff(pasted);
int firstPeer = command.offset;
JavaHeuristicScanner pScanner = new JavaHeuristicScanner(pasted);
JavaHeuristicScanner dScanner = new JavaHeuristicScanner(document);
// add scope relevant after context to peer search
int afterToken =
dScanner.nextToken(command.offset + command.length, JavaHeuristicScanner.UNBOUND);
try {
switch (afterToken) {
case Symbols.TokenRBRACE:
pasted.replace(pasted.getLength(), 0, "}"); // $NON-NLS-1$
break;
case Symbols.TokenRPAREN:
pasted.replace(pasted.getLength(), 0, ")"); // $NON-NLS-1$
break;
case Symbols.TokenRBRACKET:
pasted.replace(pasted.getLength(), 0, "]"); // $NON-NLS-1$
break;
}
} catch (BadLocationException e) {
// cannot happen
Assert.isTrue(false);
}
int pPos = 0; // paste text position (increasing from 0)
int dPos = Math.max(0, command.offset - 1); // document position (decreasing from paste offset)
while (true) {
int token = pScanner.nextToken(pPos, JavaHeuristicScanner.UNBOUND);
pPos = pScanner.getPosition();
switch (token) {
case Symbols.TokenLBRACE:
case Symbols.TokenLBRACKET:
case Symbols.TokenLPAREN:
pPos = skipScope(pScanner, pPos, token);
if (pPos == JavaHeuristicScanner.NOT_FOUND) return firstPeer;
break; // closed scope -> keep searching
case Symbols.TokenRBRACE:
int peer = dScanner.findOpeningPeer(dPos, '{', '}');
dPos = peer - 1;
if (peer == JavaHeuristicScanner.NOT_FOUND) return firstPeer;
firstPeer = peer;
break; // keep searching
case Symbols.TokenRBRACKET:
peer = dScanner.findOpeningPeer(dPos, '[', ']');
dPos = peer - 1;
if (peer == JavaHeuristicScanner.NOT_FOUND) return firstPeer;
firstPeer = peer;
break; // keep searching
case Symbols.TokenRPAREN:
peer = dScanner.findOpeningPeer(dPos, '(', ')');
dPos = peer - 1;
if (peer == JavaHeuristicScanner.NOT_FOUND) return firstPeer;
firstPeer = peer;
break; // keep searching
case Symbols.TokenCASE:
case Symbols.TokenDEFAULT:
JavaIndenter indenter = new JavaIndenter(document, dScanner, fProject);
peer = indenter.findReferencePosition(dPos, false, false, false, true);
if (peer == JavaHeuristicScanner.NOT_FOUND) return firstPeer;
firstPeer = peer;
break; // keep searching
case Symbols.TokenEOF:
return firstPeer;
default:
// keep searching
}
}
}
private void smartPaste(IDocument document, DocumentCommand command) {
int newOffset = command.offset;
int newLength = command.length;
String newText = command.text;
try {
JavaHeuristicScanner scanner = new JavaHeuristicScanner(document);
JavaIndenter indenter = new JavaIndenter(document, scanner, fProject);
int offset = newOffset;
// reference position to get the indent from
int refOffset = indenter.findReferencePosition(offset);
if (refOffset == JavaHeuristicScanner.NOT_FOUND) return;
int peerOffset = getPeerPosition(document, command);
peerOffset = indenter.findReferencePosition(peerOffset);
if (peerOffset != JavaHeuristicScanner.NOT_FOUND) refOffset = Math.min(refOffset, peerOffset);
// eat any WS before the insertion to the beginning of the line
int firstLine =
1; // don't format the first line per default, as it has other content before it
IRegion line = document.getLineInformationOfOffset(offset);
String notSelected = document.get(line.getOffset(), offset - line.getOffset());
if (notSelected.trim().length() == 0) {
newLength += notSelected.length();
newOffset = line.getOffset();
firstLine = 0;
}
// prefix: the part we need for formatting but won't paste
IRegion refLine = document.getLineInformationOfOffset(refOffset);
String prefix = document.get(refLine.getOffset(), newOffset - refLine.getOffset());
// handle the indentation computation inside a temporary document
Document temp = new Document(prefix + newText);
DocumentRewriteSession session =
temp.startRewriteSession(DocumentRewriteSessionType.STRICTLY_SEQUENTIAL);
scanner = new JavaHeuristicScanner(temp);
indenter = new JavaIndenter(temp, scanner, fProject);
installJavaStuff(temp);
// indent the first and second line
// compute the relative indentation difference from the second line
// (as the first might be partially selected) and use the value to
// indent all other lines.
boolean isIndentDetected = false;
StringBuffer addition = new StringBuffer();
int insertLength = 0;
int firstLineInsertLength = 0;
int firstLineIndent = 0;
int first = document.computeNumberOfLines(prefix) + firstLine; // don't format first line
int lines = temp.getNumberOfLines();
int tabLength = getVisualTabLengthPreference();
boolean changed = false;
for (int l = first;
l < lines;
l++) { // we don't change the number of lines while adding indents
IRegion r = temp.getLineInformation(l);
int lineOffset = r.getOffset();
int lineLength = r.getLength();
if (lineLength == 0) // don't modify empty lines
continue;
if (!isIndentDetected) {
// indent the first pasted line
String current = getCurrentIndent(temp, l);
StringBuffer correct = indenter.computeIndentation(lineOffset);
if (correct == null) return; // bail out
insertLength = subtractIndent(correct, current, addition, tabLength);
if (l == first) {
firstLineInsertLength = insertLength;
firstLineIndent = current.length();
}
if (l != first && temp.get(lineOffset, lineLength).trim().length() != 0) {
isIndentDetected = true;
if (firstLineIndent >= current.length()) insertLength = firstLineInsertLength;
if (insertLength == 0) {
// no adjustment needed, bail out
if (firstLine == 0) {
// but we still need to adjust the first line
command.offset = newOffset;
command.length = newLength;
if (changed) break; // still need to get the leading indent of the first line
}
return;
}
} else {
changed = insertLength != 0;
}
}
// relatively indent all pasted lines
if (insertLength > 0) addIndent(temp, l, addition, tabLength);
else if (insertLength < 0) cutIndent(temp, l, -insertLength, tabLength);
}
removeJavaStuff(temp);
temp.stopRewriteSession(session);
newText = temp.get(prefix.length(), temp.getLength() - prefix.length());
command.offset = newOffset;
command.length = newLength;
command.text = newText;
} catch (BadLocationException e) {
JavaPlugin.log(e);
}
}