protected override Extraction ExtractFromJArray(
JArrayContext jArrayContext)
{
var rangeIndexComposition = _rangeIndex.Compose(
jArrayContext.Input,
jArrayContext.Path);
var normalizedRangeIndex = NormalizedArrayRangeIndex.Normalize(
rangeIndex: rangeIndexComposition,
arrayLength: jArrayContext.Value.Count);
var array = normalizedRangeIndex
.AllIndexes()
.Where(index => index >= 0 && index < jArrayContext.Value.Count)
.Aggregate(
seed: new JArray(),
(acc, index) =>
{
acc.Add(jArrayContext.Value[index]);
return(acc);
});
var path = GetPath(
jArrayContext.Path);
return(new CorrectExtraction(
path,
array));
}
private static List <NormalizedArrayIndex> TryGetOutOfRangeIndexes(
NormalizedArrayPickIndex normalizedPickIndex,
JArrayContext jArrayContext)
{
return(normalizedPickIndex
.AllIndexes()
.Where(index => IsIndexOutOfRange(
index.NormalizedValue,
jArrayContext))
.ToList());
}
private IndexOutOfRange IndexesOutOfRange(
JArrayContext jArrayContext,
List <NormalizedArrayIndex> outOfRangeIndexes)
{
return(new IndexOutOfRange(
path: GetPath(
jArrayContext.Path),
previousPath: jArrayContext.Path,
jArray: jArrayContext.Value,
wrongIndexes: outOfRangeIndexes
.Select(index => index.OriginalValue)));
}
protected override Extraction ExtractFromJArray(
JArrayContext jArrayContext)
{
var indexes = _pickIndexComposer.Compose(
jArrayContext.Input,
jArrayContext.Path);
var normalizedPickIndex = NormalizedArrayPickIndex.Normalize(
indexes: indexes,
arrayLength: jArrayContext.Value.Count);
var outOfRangeIndexes = TryGetOutOfRangeIndexes(
normalizedPickIndex,
jArrayContext);
if (outOfRangeIndexes.Any())
{
return(IndexesOutOfRange(
jArrayContext,
outOfRangeIndexes));
}
var array = normalizedPickIndex
.AllIndexes()
.Aggregate(
seed: new JArray(),
(acc, index) =>
{
acc.Add(jArrayContext.Value[index.NormalizedValue]);
return(acc);
});
if (indexes.Length == 1)
{
return(new CorrectExtraction(
GetPath(
jArrayContext.Path),
array[0]));
}
return(new CorrectExtraction(
GetPath(
jArrayContext.Path),
array));
}
protected abstract Extraction ExtractFromJArray(
JArrayContext jArrayContext);
private static bool IsIndexOutOfRange(
int index,
JArrayContext jArrayContext)
{
return(index < 0 || index >= jArrayContext.Value.Count);
}
