public object this[ChainSegment segment]
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
var knownVariableIndex = (int)segment.WellKnownVariable;
if (segment.WellKnownVariable != WellKnownVariable.None && _wellKnownVariables[knownVariableIndex].IsNotEmpty)
{
return(_data[_wellKnownVariables[knownVariableIndex]]);
}
return(_data.TryGetValue(segment, out var value) ? value : null);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
set
{
var knownVariableIndex = (int)segment.WellKnownVariable;
if (segment.WellKnownVariable != WellKnownVariable.None)
{
_data.AddOrReplace(segment, value, out _wellKnownVariables[knownVariableIndex]);
return;
}
_data.AddOrReplace(segment, value, out _);
}
}
public IteratorValues(BindingContext bindingContext) : this()
{
_data = bindingContext.ContextDataObject;
_wellKnownVariables = bindingContext.WellKnownVariables;
_data.AddOrReplace(ChainSegment.Value, null, out _wellKnownVariables[(int)ChainSegment.Value.WellKnownVariable]);
_data.AddOrReplace(ChainSegment.First, BoxedValues.True, out _wellKnownVariables[(int)ChainSegment.First.WellKnownVariable]);
_data.AddOrReplace(ChainSegment.Last, BoxedValues.False, out _wellKnownVariables[(int)ChainSegment.Last.WellKnownVariable]);
_data.AddOrReplace(ChainSegment.Index, BoxedValues.Zero, out _wellKnownVariables[(int)ChainSegment.Index.WellKnownVariable]);
}
public void AddOrReplace()
{
var objects = new object[245];
for (int i = 0; i < 245; i++)
{
objects[i] = new object();
}
for (int iteration = 0; iteration < 5; iteration++)
{
for (int i = 0; i < 245; i++)
{
var key = objects[i];
var value = new object();
FixedSizeDictionary.AddOrReplace(key, value, out var index);
Assert.True(FixedSizeDictionary.ContainsKey(index));
Assert.True(FixedSizeDictionary.ContainsKey(key));
Assert.True(FixedSizeDictionary.TryGetValue(key, out var actualValue));
Assert.Equal(value, actualValue);
Assert.True(FixedSizeDictionary.TryGetValue(index, out actualValue));
Assert.Equal(value, actualValue);
}
}
}
public ObjectIteratorValues(BindingContext bindingContext) : this()
{
var configuration = bindingContext.Configuration;
_data = bindingContext.ContextDataObject;
_supportLastInObjectIterations = configuration.Compatibility.SupportLastInObjectIterations;
_wellKnownVariables = bindingContext.WellKnownVariables;
if (!_supportLastInObjectIterations)
{
var undefined = UndefinedBindingResult.Create(ChainSegment.Last);
_data.AddOrReplace(ChainSegment.Last, undefined, out _wellKnownVariables[(int)ChainSegment.Last.WellKnownVariable]);
}
else
{
_data.AddOrReplace(ChainSegment.Last, BoxedValues.False, out _wellKnownVariables[(int)ChainSegment.Last.WellKnownVariable]);
}
_data.AddOrReplace(ChainSegment.Key, null, out _wellKnownVariables[(int)ChainSegment.Key.WellKnownVariable]);
_data.AddOrReplace(ChainSegment.Value, null, out _wellKnownVariables[(int)ChainSegment.Value.WellKnownVariable]);
_data.AddOrReplace(ChainSegment.First, BoxedValues.True, out _wellKnownVariables[(int)ChainSegment.First.WellKnownVariable]);
_data.AddOrReplace(ChainSegment.Index, BoxedValues.Zero, out _wellKnownVariables[(int)ChainSegment.Index.WellKnownVariable]);
}