PIbd-13_Ladyagin_P.D. LabWork06 Simple #8
@ -1,4 +1,5 @@
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using System.Text;
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using System.IO;
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using System.Text;
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using ProjectAirplaneWithRadar.Drawnings;
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namespace ProjectAirplaneWithRadar.CollectionGenericObjects
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@ -103,24 +104,25 @@ namespace ProjectAirplaneWithRadar.CollectionGenericObjects
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return false;
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if(File.Exists(filename))
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File.Delete(filename);
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File.Delete(filename);
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StringBuilder sb = new();
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sb.Append(_collectionKey);
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foreach(KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
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using FileStream fs = new(filename, FileMode.Create);
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using StreamWriter sw = new StreamWriter(fs);
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sw.Write(_collectionKey);
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foreach (KeyValuePair<string, ICollectionGenericObjects<T>> value in _storages)
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{
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sb.Append(Environment.NewLine);
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sw.Write(Environment.NewLine);
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if (value.Value.Count == 0)
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{
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continue;
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}
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sb.Append(value.Key);
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sb.Append(_separatorForKeyValue);
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sb.Append(value.Value.GetCollectionType);
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sb.Append(_separatorForKeyValue);
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sb.Append(value.Value.MaxCount);
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sb.Append(_separatorForKeyValue);
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sw.Write(value.Key);
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sw.Write(_separatorForKeyValue);
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sw.Write(value.Value.GetCollectionType);
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sw.Write(_separatorForKeyValue);
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sw.Write(value.Value.MaxCount);
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sw.Write(_separatorForKeyValue);
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foreach (T? item in value.Value.GetItems())
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{
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@ -130,14 +132,10 @@ namespace ProjectAirplaneWithRadar.CollectionGenericObjects
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continue;
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}
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sb.Append(data);
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sb.Append(_separatorItems);
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sw.Write(data);
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sw.Write(_separatorItems);
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}
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}
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using FileStream fs = new(filename, FileMode.Create);
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byte[] info = new UTF8Encoding(true).GetBytes(sb.ToString());
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fs.Write(info, 0, info.Length);
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return true;
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}
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@ -153,59 +151,51 @@ namespace ProjectAirplaneWithRadar.CollectionGenericObjects
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return false;
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}
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string bufferTextFromFile = "";
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using (FileStream fs = new(filename, FileMode.Open))
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{
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byte[] b = new byte[fs.Length];
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UTF8Encoding temp = new(true);
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while (fs.Read(b, 0, b.Length) > 0)
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{
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bufferTextFromFile += temp.GetString(b);
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}
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}
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using StreamReader sr = new StreamReader(fs);
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string[] strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
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if (strs == null || strs.Length == 0)
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{
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return false;
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}
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if (!strs[0].Equals(_collectionKey))
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{
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return false;
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}
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_storages.Clear();
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foreach (string data in strs)
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{
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string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
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if (record.Length != 4)
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{
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continue;
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}
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CollectionType collectionType = (CollectionType)Enum.Parse(typeof(CollectionType), record[1]);
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ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
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if (collection == null)
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string str = sr.ReadLine();
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if (str == null || str.Length == 0)
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{
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return false;
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}
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collection.MaxCount = Convert.ToInt32(record[2]);
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string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
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foreach (string elem in set)
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if (!str.Equals(_collectionKey))
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{
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if (elem?.CreateDrawningAirplane() is T airplane)
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{
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if (collection.Insert(airplane) == -1)
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return false;
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}
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return false;
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}
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_storages.Clear();
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_storages.Add(record[0], collection);
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while (!sr.EndOfStream)
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{
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string[] record = sr.ReadLine().Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
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if (record.Length != 4)
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{
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continue;
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}
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CollectionType collectionType = (CollectionType)Enum.Parse(typeof(CollectionType), record[1]);
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ICollectionGenericObjects<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
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if (collection == null)
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{
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return false;
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}
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collection.MaxCount = Convert.ToInt32(record[2]);
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string[] set = record[3].Split(_separatorItems, StringSplitOptions.RemoveEmptyEntries);
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foreach (string elem in set)
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{
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if (elem?.CreateDrawningAirplane() is T airplane)
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{
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if (collection.Insert(airplane) == -1)
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return false;
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}
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}
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_storages.Add(record[0], collection);
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}
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}
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return true;
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}
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