victinass/PIbd-11_Gulina_V.S._Simple
victinass/PIbd-11_Gulina_V.S._Simple
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Лабораторная работа №6

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victinass 2024-04-28 22:22:14 +04:00
parent 69ba7b26d6
commit ec73e88d07
1 changed files with 81 additions and 87 deletions
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94
Battleship/Battleship/CollectionGenericObjects/StorageCollection.cs
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@ -28,6 +28,12 @@ public class StorageCollection<T>
_storages = new Dictionary<string, ICollectionGenericObjects<T>>();
}
private readonly string _collectionKey = "CollectionsStorage";
private readonly string _separatorForKeyValue = "|";
private readonly string _separatorItems = ";";
/// <summary>
/// Добавление коллекции в хранилище
/// </summary>
@ -35,10 +41,10 @@ public class StorageCollection<T>
/// <param name="collectionType">Тип коллекции</param>
public void AddCollection(string name, CollectionType collectionType)
{
// TODO проверка, что name не пустой и нет в словаре записи с таким ключом
if (_storages.ContainsKey(name))
if (string.IsNullOrEmpty(name) || _storages.ContainsKey(name))
{
return;
}
// TODO Прописать логику для добавления
if (collectionType == CollectionType.List)
{
@ -80,52 +86,41 @@ public class StorageCollection<T>
}
}
private readonly string _collectionKey = "CollectionsStorage";
private readonly string _separatorForKeyValue = "|";
private readonly string _separatorItems = ";";
/// <summary>
/// Сохранение информации по кораблям в хранилище в файл
/// </summary>
/// <param name="filname"></param>
/// <returns></returns>
public bool SaveData(string filname)
public bool SaveData(string filename)
{
if (_storages.Count == 0)
{
return false;
}
if (File.Exists(filname))
if (File.Exists(filename))
{
File.Delete(filname);
File.Delete(filename);
}
if (File.Exists(filname))
using (StreamWriter writer = new StreamWriter(filename))
{
File.Delete(filname);
}
StringBuilder sb = new();
sb.Append(_collectionKey);
writer.Write(_collectionKey);
foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
{
sb.Append(Environment.NewLine);
writer.Write(Environment.NewLine);
// не сохраняем пустые коллекции
if (value.Value.Count == 0)
{
continue;
}
sb.Append(value.Key);
sb.Append(_separatorForKeyValue);
sb.Append(value.Value.GetCollectionType);
sb.Append(_separatorForKeyValue);
sb.Append(value.Value.MaxCount);
sb.Append(_separatorForKeyValue);
writer.Write(value.Key);
writer.Write(_separatorForKeyValue);
writer.Write(value.Value.GetCollectionType);
writer.Write(_separatorForKeyValue);
writer.Write(value.Value.MaxCount);
writer.Write(_separatorForKeyValue);
foreach (T? item in value.Value.GetItems())
{
@ -135,14 +130,11 @@ public class StorageCollection<T>
continue;
}
sb.Append(data);
sb.Append(_separatorItems);
writer.Write(data);
writer.Write(_separatorItems);
}
}
}
using FileStream fs = new(filname, FileMode.Create);
byte[] info = new UTF8Encoding(true).GetBytes(sb.ToString());
fs.Write(info, 0, info.Length);
return true;
}
@ -158,51 +150,46 @@ public class StorageCollection<T>
return false;
}
string bufferTextFromFile = "";
using (FileStream fs = new(filename, FileMode.Open))
using (StreamReader reader = File.OpenText(filename))
{
byte[] b = new byte[fs.Length];
UTF8Encoding temp = new(true);
while (fs.Read(b, 0, b.Length) > 0)
{
bufferTextFromFile += temp.GetString(b);
}
}
string str = reader.ReadLine();
string[] strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
if (strs == null || strs.Length == 0)
if (str == null || str.Length == 0)
{
return false;
}
if (!strs[0].Equals(_collectionKey))
if (!str.StartsWith(_collectionKey))
{
//если нет такой записи, то это не те файлы
//если нет такой записи, то это не те данные
return false;
}
_storages.Clear();
foreach (string data in strs)
string strs = "";
while ((strs = reader.ReadLine()) != null)
{
string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
string[] record = strs.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
if (record.Length != 4)
{
continue;
}
CollectionType collectionType = (CollectionType)Enum.Parse(typeof(CollectionType), record[1]);
ICollectionGenericObjects<T> collection = StorageCollection<T>.CreateCollection(collectionType);
ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
if (collection == null)
{
return false;
}
collection.MaxCount = Convert.ToInt32(record[2]);
string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
foreach (string elem in set)
{
if (elem?.CreateDrawingWarship() is T warship)
if (elem?.CreateDrawingWarship() is T bulldozer)
{
if (collection.Insert(warship) == -1)
if (collection.Insert(bulldozer) == -1)
{
return false;
}
@ -211,9 +198,16 @@ public class StorageCollection<T>
_storages.Add(record[0], collection);
}
}
return true;
}
/// <summary>
/// Создание коллекции по типу
/// </summary>
/// <param name="collectionType"></param>
/// <returns></returns>
private static ICollectionGenericObjects<T>? CreateCollection(CollectionType collectionType)
{
return collectionType switch