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Лабораторная работа №7 (исправленная)

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This commit is contained in:
Мария Котова 2024-05-09 21:09:02 +04:00
parent 90cde95aba
commit 02400e9c3f
1 changed files with 35 additions and 48 deletions
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43
WinFormsAppExcavator/WinFormsAppExcavator/CollectionGenericObjects/StorageCollection.cs
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@ -139,50 +139,39 @@ public class StorageCollection<T>
/// </summary>
/// <param name="filename">Путь и имя файла</param>/// <returns>true - загрузка прошла успешно, false - ошибка при загрузке
///данных</returns>
public bool LoadData(string filename)
public void LoadData(string filename)
{
if (!File.Exists(filename))
{
throw new Exception("Файл не существует");
}
string bufferTextFromFile = "";
using (FileStream fs = new(filename, FileMode.Open))
using (StreamReader fs = 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[] strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
if (strs == null || strs.Length == 0)
string str = fs.ReadLine();
if (str == null || str.Length == 0)
{
throw new Exception("В файле нет данных");
}
if (!strs[0].Equals(_collectionKey))
if (!str.StartsWith(_collectionKey))
{
throw new Exception("В файле неверные данные");
}
_storages.Clear();
foreach (string data in strs)
string strs = "";
while ((strs = fs.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) ??
throw new Exception("Не удалось определить тип коллекции:" + record[1]);
ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
if (collection == null)
{
throw new Exception("Не удалось создать коллекцию");
}
collection.MaxCount = Convert.ToInt32(record[2]);
string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
foreach (string elem in set)
{
@ -190,7 +179,7 @@ public class StorageCollection<T>
{
try
{
if (collection.Insert(excavator) != -1)
if (collection.Insert(excavator) == -1)
{
throw new Exception("Объект не удалось добавить в коллекцию: " + record[3]);
}
@ -201,11 +190,9 @@ public class StorageCollection<T>
}
}
}
_storages.Add(record[0], collection);
}
return true;
}
}
/// <summary>