/// <summary>
/// Parses the generator condition for this syntax.
/// </summary>
/// <param name="genDataDef">The generator data definition.</param>
/// <param name="condition">The condition being parsed.</param>
public override ConditionParameters ParseCondition(GenDataDef genDataDef, string condition)
{
var genCondition = new ConditionParameters();
var s = condition.Trim();
var i = s.ToLowerInvariant().IndexOf(" exists", StringComparison.Ordinal);
if (i > 0)
{
var v1 = s.Substring(0, i);
genCondition.Var1 = genDataDef.GetId(v1);
genCondition.GenComparison = GenComparison.Exists;
}
else
{
var v1 = GetOperand(ref s);
if (v1 != "" && s != "")
{
genCondition.Var1 = genDataDef.GetId(v1, true);
genCondition.GenComparison = GetOperator(ref s);
if (genCondition.GenComparison != GenComparison.NotExists)
{
var v2 = s;
genCondition.UseLit = v2[0] == '\'' || (v2[0] >= '0' && v2[0] <= '9') || !v2.ToCharArray().Contains('.');
if (!genCondition.UseLit)
{
try
{
genCondition.Var2 = genDataDef.GetId(v2);
}
catch (Exception)
{
genCondition.Var2 = new GenDataId {
ClassId = -1, PropertyId = -1
};
}
}
if (genCondition.UseLit || genCondition.Var2.ClassId == -1 || genCondition.Var2.PropertyId == -1)
{
if (v2[0] == '\'')
{
if (v2[v2.Length - 1] == '\'')
{
genCondition.Lit = v2.Substring(1, v2.Length - 2);
}
else
{
throw new Exception("<<<<Missing closing quote in condition value>>>>");
}
}
else
{
genCondition.Lit = v2;
genCondition.UseLit = true;
}
}
}
}
else
{
genCondition.Var1 = genDataDef.GetId(v1, true);
genCondition.GenComparison = GenComparison.Exists;
}
}
return(genCondition);
}
public GenConditionParams(GenDataDef genDataDef, GenContainerFragmentBase parentContainer, ConditionParameters conditionParameters, bool isPrimary = true)
: base(genDataDef, parentContainer, FragmentType.Condition, isPrimary: isPrimary)
{
Var1 = conditionParameters.Var1;
Var2 = conditionParameters.Var2;
GenComparison = conditionParameters.GenComparison;
UseLit = conditionParameters.UseLit;
Lit = conditionParameters.Lit;
}
