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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.IO; |
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|
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namespace RomCheater.Serialization |
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{ |
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public interface ISerializationResultCount |
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{ |
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int ResultCount { get; } |
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} |
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|
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public abstract class SerializationWriter : ISerializationResultCount, IDisposable |
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{ |
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private static string CreateFilename(Guid guid) |
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{ |
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if (guid == Guid.Empty) |
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{ |
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return DEFAULT_PATH; |
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} |
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else |
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{ |
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return string.Format(@"{0}\{1}", DEFAULT_FOLDER, string.Format("{0}.tmp", guid.ToString())); |
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} |
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} |
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private const string DEFAULT_FOLDER = "tmp"; |
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private const string DEFAULT_FILENAME = "SerializedMemoryResults.tmp"; |
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private static string DEFAULT_PATH = string.Format(@"{0}\{1}", DEFAULT_FOLDER,DEFAULT_FILENAME); |
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//public SerializationWriter() : this(CreateFilename(Guid.Empty)) { } |
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|
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public SerializationWriter(int resultCount, Guid guid) : this(resultCount,guid, true) { } |
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public SerializationWriter(int resultCount, Guid guid, bool delete) : this(CreateFilename(guid)) { ResultCount = resultCount; CreateFile(delete); } |
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protected SerializationWriter(Guid guid) : this(0, guid, true) { } |
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protected SerializationWriter(string filename) { FileName = filename; } |
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|
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#region ISerializationResultCount members |
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public int ResultCount { get; protected set; } |
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#endregion |
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private FileStream fileStream; |
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protected BinaryWriter binWriter; |
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protected string FileName { get; private set; } |
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|
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protected bool Cancelled { get; set; } |
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public void CancelRequest() { Cancelled = true; } |
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private bool DeleteResultFile() |
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{ |
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try |
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{ |
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FileInfo fi = new FileInfo(FileName); |
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if (fi.Exists) |
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{ |
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fi.Delete(); |
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return true; |
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} |
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return true; |
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} |
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catch |
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{ |
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return false; |
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} |
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} |
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private void CreateFile(bool delete) |
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{ |
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if (delete) |
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DeleteResultFile(); |
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FileInfo fi = new FileInfo(FileName); |
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if (!fi.Exists) |
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{ |
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if (!fi.Directory.Exists) |
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fi.Directory.Create(); |
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FileStream t = fi.Create(); |
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t.Close(); |
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} |
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fi = null; |
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fileStream = new FileStream(FileName, FileMode.Append, FileAccess.Write, FileShare.Read); |
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binWriter = new BinaryWriter(fileStream); |
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} |
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//protected void Write(byte[] data) |
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//{ |
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// binWriter.Write(data); |
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//} |
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|
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#region IDisposable Support |
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// Track whether Dispose has been called. |
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private bool disposed = false; |
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// Implement IDisposable. |
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// Do not make this method virtual. |
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// A derived class should not be able to override this method. |
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public void Dispose() |
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{ |
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Dispose(true); |
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// This object will be cleaned up by the Dispose method. |
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// Therefore, you should call GC.SupressFinalize to |
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// take this object off the finalization queue |
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// and prevent finalization code for this object |
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// from executing a second time. |
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GC.SuppressFinalize(this); |
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} |
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// Dispose(bool disposing) executes in two distinct scenarios. |
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// If disposing equals true, the method has been called directly |
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// or indirectly by a user's code. Managed and unmanaged resources |
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// can be disposed. |
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// If disposing equals false, the method has been called by the |
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// runtime from inside the finalizer and you should not reference |
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// other objects. Only unmanaged resources can be disposed. |
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protected virtual void Dispose(bool disposing) |
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{ |
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// Check to see if Dispose has already been called. |
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if (!this.disposed) |
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{ |
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// If disposing equals true, dispose all managed |
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// and unmanaged resources. |
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if (disposing) |
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{ |
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// Dispose managed resources. |
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//component.Dispose(); |
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} |
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|
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// Call the appropriate methods to clean up |
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// unmanaged resources here. |
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// If disposing is false, |
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// only the following code is executed. |
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|
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// clean up any resources |
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binWriter.Flush(); |
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binWriter.Close(); |
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binWriter = null; |
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fileStream = null; |
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// Note disposing has been done. |
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disposed = true; |
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|
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} |
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} |
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// Use C# destructor syntax for finalization code. |
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// This destructor will run only if the Dispose method |
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// does not get called. |
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// It gives your base class the opportunity to finalize. |
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// Do not provide destructors in types derived from this class. |
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~SerializationWriter() |
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{ |
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// Do not re-create Dispose clean-up code here. |
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// Calling Dispose(false) is optimal in terms of |
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// readability and maintainability. |
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Dispose(false); |
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} |
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#endregion |
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} |
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} |
