Daily update 2 on 20240228 by nitload youmu

2025-03-01 04:58:46 +08:00
parent 90d5f76511
commit f22862dfc4
983 changed files with 180004 additions and 0 deletions
@@ -0,0 +1,88 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="ExpReader.cs"
+//     Project: StgSharp
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.IO.MemoryMappedFiles;
+using System.Text;
+
+namespace StgSharp.Expression
+{
+    internal class ExpFileReader : IDisposable
+    {
+
+        private bool disposedValue;
+        private FileStream _expFileStream;
+        private MemoryMappedFile _expMemoryMappedFile;
+
+        public ExpFileReader( string path )
+        {
+            if( !File.Exists( path ) ) {
+                throw new FileNotFoundException();
+            }
+            _expFileStream = new FileStream(
+                path, FileMode.Open, FileAccess.Read );
+            _expMemoryMappedFile = MemoryMappedFile.CreateFromFile(
+                _expFileStream, null, 0, MemoryMappedFileAccess.Read,
+                HandleInheritability.None, true );
+        }
+
+        public MemoryMappedViewStream CreateMemoryStram()
+        {
+            return _expMemoryMappedFile.CreateViewStream();
+        }
+
+        // ~ExpFileReader()
+        // {
+        //     Dispose(disposing: false);
+        // }
+
+        public void Dispose()
+        {
+            Dispose( disposing: true );
+            GC.SuppressFinalize( this );
+        }
+
+        protected virtual void Dispose( bool disposing )
+        {
+            if( !disposedValue ) {
+                if( disposing ) {
+                    _expFileStream.Dispose();
+                    _expMemoryMappedFile.Dispose();
+                }
+
+                disposedValue = true;
+            }
+        }
+
+    }
+}