private void parseQuery(string newQuery)
{
if (root != null)
{
root.PropertyChanged -= rootPropertyChanged;
}
var stream = new ANTLRStringStream(newQuery);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
try
{
root = parser.prog().Tree;
NormalizeNodes((SQLTree)root);
compileTree();
query = root.ToString();
OnPropertyChanged("Tree");
OnPropertyChanged("Function");
}
catch
{
throw;
}
finally
{
root.PropertyChanged += rootPropertyChanged;
treeDirty = false;
}
OnPropertyChanged("Query");
}
public void ComplexStringExpr()
{
string input = "\'%_%ho _s!ama\' LIKE _karamba";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var val = parser.prog();
Assert.AreEqual(SQLFilterParser.AND, val.Tree.Type);
Assert.AreEqual(1, val.Tree.ChildCount);
ITree exprTree = val.Tree.Children[0];
Assert.AreEqual(SQLFilterParser.STRING_EXPR, exprTree.Type);
Assert.AreEqual(1, exprTree.ChildCount);
Assert.AreEqual(StringPatternParser.COMPLEX, exprTree.GetChild(0).Type);
Assert.AreEqual(2, exprTree.GetChild(0).ChildCount);
Assert.AreEqual("_karamba", exprTree.GetChild(0).GetChild(0).Text);
Assert.AreEqual("%_%ho _s!ama", exprTree.GetChild(0).GetChild(1).Text);
}
public void SimpleEnumExpr()
{
string input = "\"szafa\" = \'asdas\'";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var val = parser.prog();
Assert.AreEqual(SQLFilterParser.AND, val.Tree.Type);
Assert.AreEqual(1, val.Tree.ChildCount);
ITree exprTree = val.Tree.Children[0];
Assert.AreEqual(SQLFilterParser.ENUM_EXPR, exprTree.Type);
Assert.AreEqual(1, exprTree.ChildCount);
Assert.AreEqual("=", exprTree.GetChild(0).Text);
Assert.AreEqual(2, exprTree.GetChild(0).ChildCount);
Assert.AreEqual("szafa", exprTree.GetChild(0).GetChild(0).Text);
Assert.AreEqual("asdas", exprTree.GetChild(0).GetChild(1).Text);
}
public void SimpleIPExpr()
{
string input = "65.43.23.198 > _karamba";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var val = parser.prog();
Assert.AreEqual(SQLFilterParser.AND, val.Tree.Type);
Assert.AreEqual(1, val.Tree.ChildCount);
ITree exprTree = val.Tree.Children[0];
Assert.AreEqual(SQLFilterParser.IP_EXPR, exprTree.Type);
Assert.AreEqual(1, exprTree.ChildCount);
Assert.AreEqual(SQLFilterParser.LESSER, exprTree.GetChild(0).Type);
Assert.AreEqual(2, exprTree.GetChild(0).ChildCount);
Assert.AreEqual("_karamba", exprTree.GetChild(0).GetChild(0).Text);
Assert.AreEqual("65.43.23.198", exprTree.GetChild(0).GetChild(1).Text);
Assert.AreEqual(SQLFilterParser.IPV4, exprTree.GetChild(0).GetChild(1).Type);
}
public void IPV4Expr()
{
string input = @"FakeAddress >= 127.0.0.1";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var root = parser.prog().Tree;
Filter<FakeServer>.NormalizeNodes((SQLTree)root);
Assert.AreEqual(SQLFilterLexer.AND, root.Type);
Assert.AreEqual(SQLFilterLexer.IP_EXPR, root.Children[0].Type);
Assert.AreEqual(SQLFilterLexer.GREATEROREQUALS, root.Children[0].GetChild(0).Type);
Assert.AreEqual(SQLFilterLexer.ID, root.Children[0].GetChild(0).GetChild(0).Type);
Assert.AreEqual(SQLFilterLexer.IPV4, root.Children[0].GetChild(0).GetChild(1).Type);
}
public void NegatedOr()
{
string input = @"NOT (Subtype = 'Listen' OR Map LIKE 'sKazA')";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var root = parser.prog().Tree;
Filter<FakeServer>.NormalizeNodes((SQLTree)root);
Assert.AreEqual(SQLFilterLexer.NOT_OR, root.Type);
Assert.AreEqual(SQLFilterLexer.ENUM_EXPR, root.Children[0].Type);
Assert.AreEqual(SQLFilterLexer.STRING_EXPR, root.Children[1].Type);
}
public void NumExprSubtyping()
{
string input = @"Players <> 3";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var root = parser.prog().Tree;
Filter<FakeServer>.NormalizeNodes((SQLTree)root);
/* now check our tree */
Assert.AreEqual(SQLFilterLexer.AND, root.Type);
Assert.AreEqual(SQLFilterLexer.NUM_EXPR, root.Children[0].Type);
Assert.AreEqual(SQLFilterLexer.INT, root.Children[0].GetChild(0).GetChild(1).Type);
Assert.AreEqual(SQLFilterLexer.INT32, ((FilterTree)root.Children[0].GetChild(0).GetChild(1)).SubType);
}
public void FreeExprGrouping()
{
string input = "a=1 AND b=2 OR c=3 AND d=4 OR e=5";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var val = parser.prog();
/*outer or tree */
Assert.AreEqual(SQLFilterParser.OR, val.Tree.Type);
Assert.AreEqual(3, val.Tree.ChildCount);
Assert.AreEqual(SQLFilterParser.AND, val.Tree.GetChild(0).Type);
Assert.AreEqual(SQLFilterParser.AND, val.Tree.GetChild(1).Type);
Assert.AreEqual(SQLFilterParser.NUM_EXPR, val.Tree.GetChild(2).Type);
}
public void NestedExprGroup()
{
string input = "\'asdlhad % _\' Like kastro OR _kuskus > 99.32.12.255 OR( 6532432 <= balalajka AND _kabza LIKE \'%asfe%\' )";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var val = parser.prog();
/* check expr group */
Assert.AreEqual(SQLFilterParser.OR, val.Tree.Type);
Assert.AreEqual(3, val.Tree.ChildCount);
Assert.AreEqual(SQLFilterParser.STRING_EXPR, val.Tree.GetChild(0).Type);
Assert.AreEqual(SQLFilterParser.IP_EXPR, val.Tree.GetChild(1).Type);
Assert.AreEqual(SQLFilterParser.AND, val.Tree.GetChild(2).Type);
/* check uppermost string expr */
Assert.AreEqual(2, val.Tree.GetChild(0).GetChild(0).ChildCount);
Assert.AreEqual(StringPatternLexer.COMPLEX, val.Tree.GetChild(0).GetChild(0).Type);
Assert.AreEqual("kastro", val.Tree.GetChild(0).GetChild(0).GetChild(0).Text);
Assert.AreEqual("asdlhad % _", val.Tree.GetChild(0).GetChild(0).GetChild(1).Text);
/* check uppermost IP expr */
Assert.AreEqual(2, val.Tree.GetChild(1).GetChild(0).ChildCount);
Assert.AreEqual(SQLFilterLexer.GREATER, val.Tree.GetChild(1).GetChild(0).Type);
Assert.AreEqual("_kuskus", val.Tree.GetChild(1).GetChild(0).GetChild(0).Text);
Assert.AreEqual("99.32.12.255", val.Tree.GetChild(1).GetChild(0).GetChild(1).Text);
/* check inner int expr */
Assert.AreEqual(1, val.Tree.GetChild(2).GetChild(0).ChildCount);
Assert.AreEqual(SQLFilterLexer.NUM_EXPR, val.Tree.GetChild(2).GetChild(0).Type);
Assert.AreEqual(2, val.Tree.GetChild(2).GetChild(0).GetChild(0).ChildCount);
Assert.AreEqual(SQLFilterLexer.GREATEROREQUALS, val.Tree.GetChild(2).GetChild(0).GetChild(0).Type);
/* check inner string expr */
Assert.AreEqual(1, val.Tree.GetChild(2).GetChild(1).ChildCount);
Assert.AreEqual(SQLFilterLexer.STRING_EXPR, val.Tree.GetChild(2).GetChild(1).Type);
Assert.AreEqual(2, val.Tree.GetChild(2).GetChild(1).GetChild(0).ChildCount);
Assert.AreEqual(StringPatternLexer.CONTAINS, val.Tree.GetChild(2).GetChild(1).GetChild(0).Type);
}
public void SimpleExprGroup()
{
string input = "6532432 <= balalajka AND _kabza LIKE \'%asfe%\'";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var val = parser.prog();
Assert.AreEqual(SQLFilterParser.AND, val.Tree.Type);
Assert.AreEqual(2, val.Tree.ChildCount);
Assert.AreEqual(SQLFilterParser.NUM_EXPR, val.Tree.GetChild(0).Type);
Assert.AreEqual(1, val.Tree.GetChild(0).ChildCount);
Assert.AreEqual(SQLFilterParser.STRING_EXPR, val.Tree.GetChild(1).Type);
Assert.AreEqual(1, val.Tree.GetChild(1).ChildCount);
}
public void SimpleNumericExpr()
{
string input = "6532432 <= balalajka";
var stream = new ANTLRStringStream(input);
var lexer = new SQLFilterLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new SQLFilterParser(tokens);
var val = parser.prog();
Assert.AreEqual(SQLFilterParser.AND, val.Tree.Type);
Assert.AreEqual(1, val.Tree.ChildCount);
ITree exprTree = val.Tree.Children[0];
Assert.AreEqual(SQLFilterParser.NUM_EXPR, exprTree.Type);
Assert.AreEqual(1, exprTree.ChildCount);
Assert.AreEqual(SQLFilterParser.GREATEROREQUALS, exprTree.GetChild(0).Type);
Assert.AreEqual(2, exprTree.GetChild(0).ChildCount);
Assert.AreEqual("balalajka", exprTree.GetChild(0).GetChild(0).Text);
Assert.AreEqual(SQLFilterParser.ID, exprTree.GetChild(0).GetChild(0).Type);
Assert.AreEqual("6532432", exprTree.GetChild(0).GetChild(1).Text);
Assert.AreEqual(SQLFilterParser.INT, exprTree.GetChild(0).GetChild(1).Type);
}