/// <summary>
///
/// </summary>
private ChainSegment(string value, WellKnownVariable wellKnownVariable = WellKnownVariable.None)
{
WellKnownVariable = wellKnownVariable;
var segmentValue = string.IsNullOrEmpty(value) ? "this" : value.TrimStart(TrimStart);
var segmentTrimmedValue = TrimSquareBrackets(segmentValue);
_value = segmentValue;
IsThis = string.IsNullOrEmpty(value) || string.Equals(value, "this", StringComparison.OrdinalIgnoreCase);
IsVariable = !string.IsNullOrEmpty(value) && value.StartsWith("@");
TrimmedValue = segmentTrimmedValue;
LowerInvariant = segmentTrimmedValue.ToLowerInvariant();
IsValue = LowerInvariant == "value";
_hashCode = GetHashCodeImpl();
if (IsThis)
{
WellKnownVariable = WellKnownVariable.This;
}
if (IsValue)
{
WellKnownVariable = WellKnownVariable.Value;
}
}
/// <summary>
///
/// </summary>
private ChainSegment(string value, WellKnownVariable wellKnownVariable = WellKnownVariable.None)
{
WellKnownVariable = wellKnownVariable;
var isNullOrEmpty = string.IsNullOrEmpty(value);
var segmentValue = isNullOrEmpty ? new Substring("this") : new Substring(value);
var segmentTrimmedValue = TrimSquareBrackets(segmentValue);
_value = value;
IsThis = isNullOrEmpty || string.Equals(value, "this", StringComparison.OrdinalIgnoreCase);
TrimmedValue = segmentTrimmedValue.ToString();
LowerInvariant = TrimmedValue.ToLowerInvariant();
IsValue = LowerInvariant == "value";
_hashCode = GetHashCodeImpl();
if (IsThis)
{
WellKnownVariable = WellKnownVariable.This;
}
if (IsValue)
{
WellKnownVariable = WellKnownVariable.Value;
}
}
private static ChainSegment Create(string value, WellKnownVariable variable, bool createVariable = false)
{
if (createVariable)
{
Lookup.GetOrAdd($"@{value}", ValueFactory, variable);
}
return(Lookup.GetOrAdd(value, ValueFactory, variable).Value);
}
private static ChainSegment Create(string value, WellKnownVariable variable)
{
return(Lookup.GetOrAdd(value, ValueFactory, variable).Value);
}
public CreationProperties(string @string, WellKnownVariable knownVariable = WellKnownVariable.None)
{
String = @string;
KnownVariable = knownVariable;
}
internal static ChainSegment Create(string value, WellKnownVariable variable)
{
return(ChainSegmentStore.Current?.Create(value, variable) ?? new ChainSegment(value, variable));
}
public ChainSegment Create(string value, WellKnownVariable variable) => _lookup.GetOrAdd(value, ValueFactory, variable).Value;
