public Tuple<String, Integer> getCurrDottedStatement(ICharacterPairMatcher2 pairMatcher)
throws BadLocationException {
int absoluteCursorOffset = getAbsoluteCursorOffset();
int start = absoluteCursorOffset;
for (int i = absoluteCursorOffset - 1; i >= 0; i--) {
char c = doc.getChar(i);
if (!Character.isJavaIdentifierPart(c) && c != '.') {
// We're at the start now, so, let's go onwards now...
if (StringUtils.isClosingPeer(c)) {
int j = pairMatcher.searchForOpeningPeer(i, StringUtils.getPeer(c), c, doc);
if (j < 0) {
break;
}
i = j;
} else {
break;
}
}
start = i;
}
int len = doc.getLength();
int end = absoluteCursorOffset;
for (int i = absoluteCursorOffset; i < len; i++) {
char c = doc.getChar(i);
if (!Character.isJavaIdentifierPart(c) && c != '.') {
if (StringUtils.isOpeningPeer(c)) {
int j = pairMatcher.searchForClosingPeer(i, c, StringUtils.getPeer(c), doc);
if (j < 0) {
break;
}
i = j;
} else {
break;
}
}
end = i + 1;
}
if (start != end) {
return new Tuple<String, Integer>(doc.get(start, end - start), start);
}
return new Tuple<String, Integer>("", absoluteCursorOffset);
}
public int searchForAnyOpeningPeer(int offset, IDocument document) {
try {
fReader.configureBackwardReader(document, offset, true, true, true);
Map<Character, Integer> stack = new HashMap<Character, Integer>();
HashSet<Character> closing = new HashSet<Character>();
HashSet<Character> opening = new HashSet<Character>();
for (int i = 0; i < fPairs.length; i++) {
stack.put(fPairs[i], 1);
if (i % 2 == 0) {
opening.add(fPairs[i]);
} else {
closing.add(fPairs[i]);
}
}
int c = fReader.read();
while (c != PythonCodeReader.EOF) {
if (closing.contains((char) c)) { // c == ')' || c == ']' || c == '}'
char peer = StringUtils.getPeer((char) c);
Integer iStack = stack.get((char) peer);
iStack++;
stack.put(peer, iStack);
} else if (opening.contains((char) c)) { // c == '(' || c == '[' || c == '{'
Integer iStack = stack.get((char) c);
iStack--;
stack.put((char) c, iStack);
if (iStack == 0) {
return fReader.getOffset();
}
}
c = fReader.read();
}
return -1;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
