public static bool CheckWithSelector(Dictionary <string, object> other, TQItemSelector selector)
{
object DVAL;
bool nullable;
foreach (KeyValuePair <string, TQItemSelectorParam> rule in selector.parameters)
{
if (other.TryGetValue(rule.Key, out DVAL))
{
if (rule.Value.ValueSet == TQItemSelectorSet.Equals)
{
if (((IComparable)rule.Value.Value)
.CompareTo(RepresentedModel.Convert(DVAL, RepresentedModel.GetRType(rule.Value.Value.GetType(), out nullable))) != 0)
{
return(false);
}
}
else if (rule.Value.ValueSet == TQItemSelectorSet.NotEquals)
{
if (((IComparable)rule.Value.Value)
.CompareTo(RepresentedModel.Convert(DVAL, RepresentedModel.GetRType(rule.Value.Value.GetType(), out nullable))) == 0)
{
return(false);
}
}
}
else
{
return(false);
}
}
return(true);
}
public static bool CheckWithSelector(System.Collections.Hashtable other, TQItemSelector selector)
{
object DVAL;
bool nullable;
foreach (KeyValuePair <string, TQItemSelectorParam> rule in selector.parameters)
{
if (other.ContainsKey(rule.Key))
{
DVAL = other[rule.Key];
if (rule.Value.ValueSet == TQItemSelectorSet.Equals)
{
if (((IComparable)rule.Value.Value)
.CompareTo(RepresentedModel.Convert(DVAL, RepresentedModel.GetRType(rule.Value.Value.GetType(), out nullable))) != 0)
{
return(false);
}
}
else if (rule.Value.ValueSet == TQItemSelectorSet.NotEquals)
{
if (((IComparable)rule.Value.Value)
.CompareTo(RepresentedModel.Convert(DVAL, RepresentedModel.GetRType(rule.Value.Value.GetType(), out nullable))) == 0)
{
return(false);
}
}
}
else
{
return(false);
}
}
return(true);
}
/// <summary>
/// This will check for all required keys in dictionary and
/// CHECK Equal or NotEqual valued parameters by selector
/// </summary>
/// <param name="selector"></param>
/// <returns></returns>
public static InternalCheckDictionary MakeCheckerDictionary(TQItemSelector selector)
{
Type KeyType = typeof(Dictionary <string, object>);
ParameterExpression one = Expression.Parameter(KeyType);
List <Expression> body = new List <Expression>();
MethodInfo tryGetValue = KeyType.GetMethod("TryGetValue", new Type[] { typeof(string), typeof(object).MakeByRefType() });// string, out object
MethodInfo conv = typeof(RepresentedModel).GetMethod("Convert");
LabelTarget returnTarget = Expression.Label(typeof(bool));
ParameterExpression varOut = Expression.Variable(typeof(object), "outObject");
bool nullable;
foreach (KeyValuePair <string, TQItemSelectorParam> rule in selector.parameters)
{
Expression callOut = Expression.Call(one, tryGetValue, Expression.Constant(rule.Key), varOut);
Expression cond = Expression.IfThen(Expression.Not(callOut), Expression.Return(returnTarget, Expression.Constant(false)));
body.Add(cond);
if (rule.Value.ValueSet == TQItemSelectorSet.Ascending || rule.Value.ValueSet == TQItemSelectorSet.Descending)
{
continue;
}
Expression cmpVal = Expression.Constant(rule.Value.Value);
MethodInfo internalCMP = rule.Value.Value.GetType().GetMethod("CompareTo", new Type[] { typeof(object) });
Expression ICMP = Expression.Call(cmpVal, internalCMP, Expression.Call(null, conv, varOut, Expression.Constant(RepresentedModel.GetRType(rule.Value.Value.GetType(), out nullable))));
Expression isEq = null;
if (rule.Value.ValueSet == TQItemSelectorSet.Equals)
{
isEq = Expression.NotEqual(ICMP, Expression.Constant(0));
}
else if (rule.Value.ValueSet == TQItemSelectorSet.NotEquals)
{
isEq = Expression.Equal(ICMP, Expression.Constant(0));
}
Expression cond2 = Expression.IfThen(isEq, Expression.Return(returnTarget, Expression.Constant(false)));
body.Add(cond2);
}
LabelExpression returnDef = Expression.Label(returnTarget, Expression.Constant(true));
body.Add(returnDef);
Expression expression_body = Expression.Block(new[] { varOut }, body);
return((InternalCheckDictionary)Expression.Lambda(typeof(InternalCheckDictionary), expression_body, one).Compile());
}
