105 lines
2.7 KiB
C#
105 lines
2.7 KiB
C#
using Cruiser;
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using Cruiser.Exceptions;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace ProjectCruiser.Generics
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{
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internal class SetGeneric<T>
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where T : class
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{
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private readonly List<T?> _places;
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public int Count => _places.Count;
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private readonly int _maxCount;
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public SetGeneric(int count)
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{
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_maxCount = count;
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_places = new List<T?>(count);
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}
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public int Insert(T cruiser)
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{
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if (_places.Count == 0)
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{
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_places.Add(cruiser);
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return 0;
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}
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else
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{
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if (_places.Count < _maxCount)
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{
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_places.Add(cruiser);
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for (int i = 0; i < _places.Count; i++)
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{
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T temp = _places[i];
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_places[i] = _places[_places.Count - 1];
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_places[_places.Count - 1] = temp;
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}
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return 0;
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}
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else
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{
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throw new StorageOverflowException(_places.Count);
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}
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}
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}
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public bool Insert(T cruiser, int position)
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{
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if (position < 0 || position >= _maxCount)
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throw new CruiserNotFoundException(position);
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if (Count >= _maxCount)
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throw new StorageOverflowException(position);
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_places.Insert(0, cruiser);
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return true;
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}
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public bool Remove(int position)
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{
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if (position < 0 || position > _maxCount || position >= Count)
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throw new CruiserNotFoundException();
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if (_places[position] == null)
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{
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throw new CruiserNotFoundException();
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}
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_places[position] = null;
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return true;
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}
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public T? this[int position]
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{
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get
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{
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if (position < 0 || position > _maxCount)
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return null;
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return _places[position];
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}
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set
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{
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if (position < 0 || position > _maxCount)
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return;
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_places[position] = value;
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}
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}
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public IEnumerable<T?> GetCruiser(int? maxCruiser = null)
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{
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for (int i = 0; i < _places.Count; ++i)
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{
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yield return _places[i];
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if (maxCruiser.HasValue && i == maxCruiser.Value)
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{
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yield break;
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}
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}
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}
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}
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}
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