ENDORFIT/PIbd-11_Tarasov_V.D._Simple
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Лабораторная работа №6 сделана

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ENDORFIT 2024-04-22 14:16:17 +04:00
parent e1cc1e40ad
commit bfce6b7fbd
1 changed files with 60 additions and 68 deletions
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76
ProjectMonorail/Scripts/Monorail/CollectionGenericObjects/StorageCollection.cs
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@ -1,5 +1,4 @@
using ProjectMonorail.Scripts.Monorail.Drawnings; using ProjectMonorail.Scripts.Monorail.Drawnings;
using System.Diagnostics;
using System.Text; using System.Text;
namespace ProjectMonorail.Scripts.Monorail.CollectionGenericObjects namespace ProjectMonorail.Scripts.Monorail.CollectionGenericObjects
@ -115,23 +114,26 @@ namespace ProjectMonorail.Scripts.Monorail.CollectionGenericObjects
{ {
File.Delete(filename); File.Delete(filename);
} }
StringBuilder sb = new(); using (StreamWriter writer = new StreamWriter(filename))
sb.Append(_collectionKey);
foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in
_storages)
{ {
sb.Append(Environment.NewLine); writer.Write(_collectionKey);
// не сохраняем пустые коллекции foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append(Environment.NewLine);
if (value.Value.Count == 0) if (value.Value.Count == 0)
{ {
continue; continue;
} }
sb.Append(value.Key);
sb.Append(_separatorForKeyValue); stringBuilder.Append(value.Key);
sb.Append(value.Value.GetCollectionType); stringBuilder.Append(_separatorForKeyValue);
sb.Append(_separatorForKeyValue); stringBuilder.Append(value.Value.GetCollectionType);
sb.Append(value.Value.MaxCount); stringBuilder.Append(_separatorForKeyValue);
sb.Append(_separatorForKeyValue); stringBuilder.Append(value.Value.MaxCount);
stringBuilder.Append(_separatorForKeyValue);
foreach (T? item in value.Value.GetItems()) foreach (T? item in value.Value.GetItems())
{ {
string data = item?.GetDataForSave() ?? string.Empty; string data = item?.GetDataForSave() ?? string.Empty;
@ -139,15 +141,14 @@ namespace ProjectMonorail.Scripts.Monorail.CollectionGenericObjects
{ {
continue; continue;
} }
sb.Append(data); stringBuilder.Append(data);
sb.Append(_separatorItems); stringBuilder.Append(_separatorItems);
} }
writer.Write(stringBuilder);
} }
using FileStream fs = new(filename, FileMode.Create);
byte[] info = new UTF8Encoding(true).GetBytes(sb.ToString());
fs.Write(info, 0, info.Length);
return true; return true;
} }
}
/// <summary> /// <summary>
/// Загрузка информации по автомобилям в хранилище из файла /// Загрузка информации по автомобилям в хранилище из файла
@ -160,53 +161,43 @@ namespace ProjectMonorail.Scripts.Monorail.CollectionGenericObjects
{ {
return false; return false;
} }
string bufferTextFromFile = "";
using (FileStream fs = new(filename, FileMode.Open)) using (StreamReader streamRader = File.OpenText(filename))
{ {
byte[] b = new byte[fs.Length]; string inputString = streamRader.ReadLine();
UTF8Encoding temp = new(true);
while (fs.Read(b, 0, b.Length) > 0) if (inputString == null || inputString.Length == 0)
{
bufferTextFromFile += temp.GetString(b);
}
}
string[] strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
if (strs == null || strs.Length == 0)
{ {
return false; return false;
} }
if (!strs[0].Equals(_collectionKey)) if (!inputString.StartsWith(_collectionKey))
{ {
//если нет такой записи, то это не те данные
return false; return false;
} }
_storages.Clear(); _storages.Clear();
foreach (string data in strs) string strs = "";
while ((strs = streamRader.ReadLine()) != null)
{ {
string[] record = data.Split(_separatorForKeyValue, string[] record = strs.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
StringSplitOptions.RemoveEmptyEntries);
if (record.Length != 4) if (record.Length != 4)
{ {
continue; continue;
} }
CollectionType collectionType = CollectionType collectionType = (CollectionType)Enum.Parse(typeof(CollectionType), record[1]);
(CollectionType)Enum.Parse(typeof(CollectionType), record[1]); ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
ICollectionGenericObjects<T>? collection =
StorageCollection<T>.CreateCollection(collectionType);
if (collection == null) if (collection == null)
{ {
return false; return false;
} }
collection.MaxCount = Convert.ToInt32(record[2]); collection.MaxCount = Convert.ToInt32(record[2]);
string[] set = record[3].Split(_separatorItems, string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
StringSplitOptions.RemoveEmptyEntries);
foreach (string elem in set) foreach (string elem in set)
{ {
if (elem?.CreateDrawingMonorail() is T monorail) if (elem?.CreateDrawingMonorail() is T ship)
{ {
if (collection.Insert(monorail) == -1) if (collection.Insert(ship) == -1)
{ {
return false; return false;
} }
@ -216,6 +207,7 @@ namespace ProjectMonorail.Scripts.Monorail.CollectionGenericObjects
} }
return true; return true;
} }
}
private static ICollectionGenericObjects<T>? CreateCollection(CollectionType collectionType) private static ICollectionGenericObjects<T>? CreateCollection(CollectionType collectionType)
{ {