private IRangeClauseFilter RemoveClausesCoveredBy(RangeClauseFilter <T> removeFrom, RangeClauseFilter <T> removalSpec)
{
var newFilter = RemoveIsClausesCoveredBy(removeFrom, removalSpec);
newFilter = RemoveRangesCoveredBy(removeFrom, removalSpec);
newFilter = RemoveSingleValuesCoveredBy(removeFrom, removalSpec);
newFilter = RemoveRelationalOpsCoveredBy(removeFrom, removalSpec);
return(newFilter);
}
private RangeClauseFilter <T> RemoveSingleValuesCoveredBy(RangeClauseFilter <T> removeFrom, RangeClauseFilter <T> removalSpec)
{
List <T> toRemove = new List <T>();
if (removalSpec.TryGetIsLTValue(out T removalSpecLT))
{
foreach (var sv in removeFrom.SingleValues)
{
if (removalSpecLT.CompareTo(sv) > 0)
{
toRemove.Add(sv);
}
}
}
if (removalSpec.TryGetIsGTValue(out T removalSpecGT))
{
foreach (var sv in removeFrom.SingleValues)
{
if (removalSpecGT.CompareTo(sv) < 0)
{
toRemove.Add(sv);
}
}
}
foreach (var tup in removalSpec.RangeValues)
{
foreach (var val in removeFrom.SingleValues)
{
if (tup.Item1.CompareTo(val) <= 0 && tup.Item2.CompareTo(val) >= 0)
{
toRemove.Add(val);
}
}
}
toRemove.AddRange(removalSpec.SingleValues);
foreach (var rem in toRemove)
{
removeFrom.SingleValues.Remove(rem);
}
var toRemoveVariables = new List <string>();
foreach (var value in removalSpec.VariableSingleValues)
{
if (removeFrom.VariableSingleValues.Contains(value))
{
toRemoveVariables.Add(value);
}
}
toRemoveVariables.ForEach(rv => removeFrom.VariableSingleValues.Remove(rv));
return(removeFrom);
}
private RangeClauseFilter <T> RemoveRangesCoveredBy(RangeClauseFilter <T> removeFrom, RangeClauseFilter <T> removalSpec)
{
if (!(removeFrom.RangeValues.Any() || removeFrom.VariableRanges.Any()))
{
return(removeFrom);
}
var rangesToRemove = new List <Tuple <T, T> >();
if (removalSpec.TryGetIsLTValue(out T removalSpecLT))
{
foreach (var tup in removeFrom.RangeValues)
{
if (removalSpecLT.CompareTo(tup.Item1) > 0 && removalSpecLT.CompareTo(tup.Item2) > 0)
{
rangesToRemove.Add(tup);
}
}
}
if (removalSpec.TryGetIsGTValue(out T removalSpecGT))
{
foreach (var tup in removeFrom.RangeValues)
{
if (removalSpecGT.CompareTo(tup.Item1) < 0 && removalSpecGT.CompareTo(tup.Item2) < 0)
{
rangesToRemove.Add(tup);
}
}
}
foreach (var tup in removeFrom.RangeValues)
{
foreach (var rem in removalSpec.RangeValues)
{
if (rem.Item1.CompareTo(tup.Item1) <= 0 && rem.Item2.CompareTo(tup.Item2) >= 0)
{
rangesToRemove.Add(tup);
}
}
}
removeFrom.RemoveRangeValues(rangesToRemove);
var varRangesToRemove = new List <string>();
foreach (var value in removeFrom.VariableRanges)
{
if (removalSpec.VariableRanges.Contains(value))
{
varRangesToRemove.Add(value);
}
}
varRangesToRemove.ForEach(vr => removeFrom._variableRanges.Remove(vr));
return(removeFrom);
}
public IRangeClauseFilter Create(string typeName, IParseTreeValueFactory valueFactory)
{
if (valueFactory is null)
{
throw new ArgumentNullException();
}
if (!(IntegralNumberExtents.Keys.Contains(typeName) ||
typeName.Equals(Tokens.Double) ||
typeName.Equals(Tokens.Single) ||
typeName.Equals(Tokens.Currency) ||
typeName.Equals(Tokens.Boolean) ||
typeName.Equals(Tokens.String)))
{
throw new ArgumentException($"Unsupported TypeName ({typeName})");
}
if (IntegralNumberExtents.Keys.Contains(typeName))
{
var integerTypeFilter = new RangeClauseFilter <long>(typeName, valueFactory, this, ParseTreeValue.TryConvertValue);
var minExtent = valueFactory.Create(IntegralNumberExtents[typeName].Item1.ToString(), typeName);
var maxExtent = valueFactory.Create(IntegralNumberExtents[typeName].Item2.ToString(), typeName);
integerTypeFilter.AddExtents(minExtent, maxExtent);
return(integerTypeFilter);
}
else if (typeName.Equals(Tokens.Double) || typeName.Equals(Tokens.Single))
{
var doubleTypeFilter = new RangeClauseFilter <double>(typeName, valueFactory, this, ParseTreeValue.TryConvertValue);
if (typeName.Equals(Tokens.Single))
{
var minExtent = valueFactory.Create(CompareExtents.SINGLEMIN.ToString(), typeName);
var maxExtent = valueFactory.Create(CompareExtents.SINGLEMAX.ToString(), typeName);
doubleTypeFilter.AddExtents(minExtent, maxExtent);
}
return(doubleTypeFilter);
}
else if (typeName.Equals(Tokens.Boolean))
{
var boolTypeFilter = new RangeClauseFilter <bool>(typeName, valueFactory, this, ParseTreeValue.TryConvertValue);
return(boolTypeFilter);
}
else if (typeName.Equals(Tokens.Currency))
{
var decimalTypeFilter = new RangeClauseFilter <decimal>(typeName, valueFactory, this, ParseTreeValue.TryConvertValue);
var minExtent = valueFactory.Create(CompareExtents.CURRENCYMIN.ToString(), typeName);
var maxExtent = valueFactory.Create(CompareExtents.CURRENCYMAX.ToString(), typeName);
decimalTypeFilter.AddExtents(minExtent, maxExtent);
return(decimalTypeFilter);
}
var filter = new RangeClauseFilter <string>(typeName, valueFactory, this, ParseTreeValue.TryConvertValue);
return(filter);
}
private static RangeClauseFilter <T> RemoveIsClausesCoveredBy(RangeClauseFilter <T> removeFrom, RangeClauseFilter <T> removalSpec)
{
if (removeFrom.TryGetIsLTValue(out T isLT) &&
removalSpec.TryGetIsLTValue(out T removalSpecLT) &&
removalSpecLT.CompareTo(isLT) >= 0)
{
removeFrom.RemoveIsLTClause();
}
if (removeFrom.TryGetIsGTValue(out T isGT) &&
removalSpec.TryGetIsGTValue(out T removalSpecGT) &&
removalSpecGT.CompareTo(isGT) <= 0)
{
removeFrom.RemoveIsGTClause();
}
return(removeFrom);
}
private RangeClauseFilter <T> RemoveRelationalOpsCoveredBy(RangeClauseFilter <T> removeFrom, RangeClauseFilter <T> removalSpec)
{
List <string> toRemove = new List <string>();
if (removalSpec.FiltersAllRelationalOps)
{
removeFrom.RelationalOps.Clear();
}
foreach (var rem in removalSpec.RelationalOps)
{
if (removeFrom.RelationalOps.Contains(rem))
{
toRemove.Add(rem);
}
}
foreach (var rem in toRemove)
{
removeFrom.RelationalOps.Remove(rem);
}
return(removeFrom);
}