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TokenReader.cs
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TokenReader.cs
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using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
namespace CShargs
{
internal class ListReader<T>
{
int position_;
IList<T> items_;
public int Position => position_;
public bool EndOfList => position_ >= items_.Count;
public ListReader(IList<T> items)
{
ThrowIf.ArgumentNull(nameof(items), items);
items_ = items;
position_ = 0;
}
public T Read()
{
T result = Peek();
if (!EndOfList) {
position_++;
}
return result;
}
public T Peek() => Peek(0);
public T Peek(int amount)
{
int i = position_ + amount;
if (i >= 0 && i < items_.Count) {
return items_[i];
}
return default;
}
public IEnumerable<T> ReadToEnd()
{
var result = items_.Skip(position_);
position_ = items_.Count;
return result;
}
}
}