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using System;
using System.Collections;
using System.Collections.Generic;
namespace Mono.Options
{
public class OptionValueCollection : IList, IList<string>
{
readonly OptionContext _c;
readonly List<string> _values = new List<string>();
internal OptionValueCollection(OptionContext c)
{
_c = c;
}
#region IEnumerable
IEnumerator IEnumerable.GetEnumerator()
{
return _values.GetEnumerator();
}
#endregion
#region IEnumerable<T>
public IEnumerator<string> GetEnumerator()
{
return _values.GetEnumerator();
}
#endregion
public List<string> ToList()
{
return new List<string>(_values);
}
public string[] ToArray()
{
return _values.ToArray();
}
public override string ToString()
{
return string.Join(", ", _values.ToArray());
}
#region ICollection
void ICollection.CopyTo(Array array, int index)
{
(_values as ICollection).CopyTo(array, index);
}
bool ICollection.IsSynchronized => (_values as ICollection).IsSynchronized;
object ICollection.SyncRoot => (_values as ICollection).SyncRoot;
#endregion
#region ICollection<T>
public void Add(string item)
{
_values.Add(item);
}
public void Clear()
{
_values.Clear();
}
public bool Contains(string item)
{
return _values.Contains(item);
}
public void CopyTo(string[] array, int arrayIndex)
{
_values.CopyTo(array, arrayIndex);
}
public bool Remove(string item)
{
return _values.Remove(item);
}
public int Count => _values.Count;
public bool IsReadOnly => false;
#endregion
#region IList
int IList.Add(object value)
{
return (_values as IList).Add(value);
}
bool IList.Contains(object value)
{
return (_values as IList).Contains(value);
}
int IList.IndexOf(object value)
{
return (_values as IList).IndexOf(value);
}
void IList.Insert(int index, object value)
{
(_values as IList).Insert(index, value);
}
void IList.Remove(object value)
{
(_values as IList).Remove(value);
}
void IList.RemoveAt(int index)
{
(_values as IList).RemoveAt(index);
}
bool IList.IsFixedSize => false;
object IList.this[int index]
{
get { return this[index]; }
set { (_values as IList)[index] = value; }
}
#endregion
#region IList<T>
public int IndexOf(string item)
{
return _values.IndexOf(item);
}
public void Insert(int index, string item)
{
_values.Insert(index, item);
}
public void RemoveAt(int index)
{
_values.RemoveAt(index);
}
void AssertValid(int index)
{
if (_c.Option == null)
throw new InvalidOperationException("OptionContext.Option is null.");
if (index >= _c.Option.MaxValueCount)
throw new ArgumentOutOfRangeException("index");
if (_c.Option.OptionValueType == OptionValueType.Required &&
index >= _values.Count)
{
throw new OptionException(string.Format(
_c.OptionSet.MessageLocalizer("Missing required value for option '{0}'."), _c.OptionName),
_c.OptionName);
}
}
public string this[int index]
{
get
{
AssertValid(index);
return index >= _values.Count ? null : _values[index];
}
set { _values[index] = value; }
}
#endregion
}
}
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