private boolean verifyEvent(String content, TextEvent event) {
Parser parser = new Parser(fRules, fStartSymbol);
StringBuffer tryContent = new StringBuffer(content);
tryContent.replace(event.getBegin(), event.getEnd(), event.getText());
fScanner.setStringToScann(tryContent.toString());
if (parser.parser(fScanner)) {
return true;
} else {
return false;
}
}
public boolean handleEvent(Text text, TextEvent event) {
StringBuffer content = new StringBuffer(fView.getContent());
content.replace(event.getBegin(), event.getEnd(), event.getText());
Parser parser = new Parser(fRules, fStartSymbol);
fScanner.setStringToScann(content.toString());
parser.parser(fScanner);
if (parser.finished()) {
List<ASTNode> derivation = parser.getDerivation();
fListener.valueChanges((SymbolASTNode) derivation.get(0));
} else {
fView.setText(content.toString());
fView.update();
}
return true;
}