132 lines
5.1 KiB
C#
132 lines
5.1 KiB
C#
using Lab.DrawningObjects;
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using Lab.MovementStrategy;
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using Lab.Generics;
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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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using System.Xml.Linq;
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namespace Lab.Generics
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{
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internal class CarsGenericStorage
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{
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readonly Dictionary<TankerCollectionInfo, CarsGenericCollection<DrawTanker, DrawingObjectTanker>> _carStorages;
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public List<TankerCollectionInfo> Keys => _carStorages.Keys.ToList();
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private readonly int _pictureWidth;
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private readonly int _pictureHeight;
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private static readonly char _separatorForKeyValue = '|';
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private readonly char _separatorRecords = ';';
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private static readonly char _separatorForObject = ':';
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public CarsGenericStorage(int pictureWidth, int pictureHeight)
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{
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_carStorages = new Dictionary<TankerCollectionInfo, CarsGenericCollection<DrawTanker, DrawingObjectTanker>>();
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_pictureWidth = pictureWidth;
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_pictureHeight = pictureHeight;
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}
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public void AddSet(string name)
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{
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TankerCollectionInfo Info = new TankerCollectionInfo(name, string.Empty);
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if (_carStorages.ContainsKey(Info)) return;
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_carStorages[Info] = new CarsGenericCollection<DrawTanker, DrawingObjectTanker>(_pictureWidth, _pictureHeight);
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}
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public void DelSet(string name)
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{
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TankerCollectionInfo Info = new TankerCollectionInfo(name, string.Empty);
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if (!_carStorages.ContainsKey(Info)) return;
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_carStorages.Remove(Info);
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}
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public CarsGenericCollection<DrawTanker, DrawingObjectTanker>?
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this[string ind]
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{
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get
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{
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TankerCollectionInfo Info = new TankerCollectionInfo(ind, string.Empty);
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if (_carStorages.ContainsKey(Info)) return _carStorages[Info];
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return null;
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}
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}
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public void SaveData(string filename)
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{
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if (File.Exists(filename))
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{
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File.Delete(filename);
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}
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StringBuilder data = new();
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foreach (KeyValuePair<TankerCollectionInfo, CarsGenericCollection<DrawTanker, DrawingObjectTanker>> record in _carStorages)
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{
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StringBuilder records = new();
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foreach (DrawTanker? elem in record.Value.GetCars)
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{
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records.Append($"{elem?.GetDataForSave(_separatorForObject)}{_separatorRecords}");
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}
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data.AppendLine($"{record.Key.Name}{_separatorForKeyValue}{records}");
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}
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if (data.Length == 0)
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{
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throw new Exception("Невалидная операция, нет данных для сохранения");
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}
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using (StreamWriter writer = new StreamWriter(filename))
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{
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writer.WriteLine("CarStorage");
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writer.Write(data.ToString());
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}
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}
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public void LoadData(string filename)
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{
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if (!File.Exists(filename))
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{
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throw new Exception("Файл не найден");
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}
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using (StreamReader reader = new StreamReader(filename))
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{
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string checker = reader.ReadLine();
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if (checker == null)
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throw new Exception("Нет данных для загрузки");
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if (!checker.StartsWith("CarStorage"))
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throw new Exception("Неверный формат ввода");
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_carStorages.Clear();
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string strs;
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bool firstinit = true;
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while ((strs = reader.ReadLine()) != null)
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{
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if (strs == null && firstinit)
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throw new Exception("Нет данных для загрузки");
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if (strs == null )
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break;
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firstinit = false;
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string name = strs.Split('|')[0];
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CarsGenericCollection<DrawTanker, DrawingObjectTanker> collection = new(_pictureWidth, _pictureHeight);
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foreach (string data in strs.Split('|')[1].Split(';'))
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{
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DrawTanker? car =
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data?.CreateDrawTanker(_separatorForObject, _pictureWidth, _pictureHeight);
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if (car != null)
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{
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try {_ = collection + car; }
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catch (CarNotFoundException e)
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{
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throw e;
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}
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catch (StorageOverflowException e)
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{
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throw e;
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}
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}
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}
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_carStorages.Add(new TankerCollectionInfo(name, string.Empty), collection);
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}
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}
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}
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}
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}
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