internal String CallOperator(string filter, Model model)
{
string _property = null;
string _operator = null;
string _value = null;
string trimmed = filter.Trim();
char charKey = ' ';
//Property
int charKeyPosition = trimmed.IndexOf(charKey);
if (charKeyPosition >= 0)
{
_property = trimmed.Substring(0, charKeyPosition).ToLower();
trimmed = trimmed.Substring(charKeyPosition).Trim();
}
//Operator
charKeyPosition = trimmed.IndexOf(charKey);
if (charKeyPosition >= 0)
{
_operator = trimmed.Substring(0, charKeyPosition).ToLower();
trimmed = trimmed.Substring(charKeyPosition).Trim();
}
//Value Sanitization
_value = trimmed.Replace("%", "").Replace("'", "");
if (!String.IsNullOrEmpty(_property) && !String.IsNullOrEmpty(_operator) && !String.IsNullOrEmpty(_value) )
{
Field field = (from t in model.Fields where t.Name == _property select t).FirstOrDefault();
if (field == null)
{
throw new Gale.Exception.GaleException("API005", _property, filter);
}
return _callOperator(_operator, field, _value);
}
else
{
throw new Gale.Exception.GaleException("API006", filter);
}
}
public abstract String Parse(String query, Model model);