using System.Collections;
using System.Collections.Generic;
namespace Boo.BooLangService.StringParsing
{
public class BracketPairCollection : ICollection<BracketPair>
{
private readonly List<BracketPair> pairs = new List<BracketPair>();
public IEnumerator<BracketPair> GetEnumerator()
{
return pairs.GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
public void Add(BracketPair item)
{
pairs.Add(item);
}
public void Clear()
{
pairs.Clear();
}
public bool Contains(BracketPair item)
{
return pairs.Contains(item);
}
public void CopyTo(BracketPair[] array, int arrayIndex)
{
pairs.CopyTo(array, arrayIndex);
}
public bool Remove(BracketPair item)
{
return pairs.Remove(item);
}
public int Count
{
get { return pairs.Count; }
}
public bool IsReadOnly
{
get { return false; }
}
public BracketPair FindLeftByIndex(int index)
{
foreach (var pair in pairs)
{
if (pair.LeftIndex == index)
return pair;
}
return null;
}
public BracketPair FindRightByIndex(int index)
{
foreach (var pair in pairs)
{
if (pair.RightIndex == index)
return pair;
}
return null;
}
public int? FindPartnerIndex(int index)
{
foreach (var pair in pairs)
{
if (pair.LeftIndex == index) return pair.RightIndex;
if (pair.RightIndex == index) return pair.LeftIndex;
}
return null;
}
}
}
