public override SelectionRuleNode VisitPropertyExpression(TmtParser.PropertyExpressionContext context)
{
SelectionRuleNode result = null;
var left = context.left?.GetText()?.Split('.');
var right = context.right?.Text?.Trim('\'');
if ((left?.Length ?? 0) >= 2)
{
var scope = Scope.Object;
// ReSharper disable once PossibleNullReferenceException
switch (left[0])
{
case "source":
scope = Scope.Source;
break;
case "target":
scope = Scope.Target;
break;
}
string propertyName = left.Length == 2 ? left[1] : left.Skip(1).Concat('.', null);
result = GetComparisonRuleNode(propertyName, right, scope);
if (Rule == null)
{
Rule = result;
}
}
return(result);
}
/// <summary>
/// Visit a parse tree produced by the <c>propertyExpression</c>
/// labeled alternative in <see cref="TmtParser.expression"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitPropertyExpression([NotNull] TmtParser.PropertyExpressionContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>propertyExpression</c>
/// labeled alternative in <see cref="TmtParser.expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitPropertyExpression([NotNull] TmtParser.PropertyExpressionContext context)
{
}
