private string GetOrFilter(OrAlsoExpression or)
{
StringBuilder filterLeft = new StringBuilder();
if (or.Left is WhereExpression)
{
filterLeft.AppendLine(GetAndFilter((WhereExpression)or.Left));
}
else
{
filterLeft.AppendLine(GetOrFilter((OrAlsoExpression)or.Left));
}
StringBuilder filterRight = new StringBuilder();
if (or.Right is WhereExpression)
{
filterRight.AppendLine(GetAndFilter((WhereExpression)or.Right));
}
else
{
filterRight.AppendLine(GetOrFilter((OrAlsoExpression)or.Right));
}
return(string.Format("({0}) OR ({1})", filterLeft, filterRight));
}
private Func <T, bool> GetOrFilter(OrAlsoExpression or)
{
Func <T, bool> filterLeft;
if (or.Left is WhereExpression)
{
filterLeft = GetAndFilter((WhereExpression)or.Left);
}
else
{
filterLeft = GetOrFilter((OrAlsoExpression)or.Left);
}
Func <T, bool> filterRight;
if (or.Right is WhereExpression)
{
filterRight = GetAndFilter((WhereExpression)or.Right);
}
else
{
filterRight = GetOrFilter((OrAlsoExpression)or.Right);
}
return(new Func <T, bool>((target) => { return filterLeft(target) | filterRight(target); }));
}
