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Daily update on 20251020-041041 by Nitload Youmu. Additional Message : Code cleanup and new design of parallel (maybe THE THENTH VERSION? Tough work!).

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Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
This commit is contained in:
Nitload
2025-10-20 04:10:41 +08:00
parent 1927f4fdf3
commit 547ba80a01
141 changed files with 5475 additions and 6175 deletions
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StgSharp.Model/Step/StepReader.cs
+60 -65
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@@ -1,33 +1,30 @@
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="StepReader.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
// -----------------------------------------------------------------------
// file="StepReader"
// 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:
// 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.
//
// 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 StgSharp;
using StgSharp.Script;
using StgSharp.Script.Express;
@@ -58,43 +55,41 @@ namespace StgSharp.Model.Step
private StepReader() { }
private StepReader( FileStream stream, long size )
private StepReader(FileStream stream, long size)
{
_fileStream = stream;
_size = size;
_memoryFile = MemoryMappedFile.CreateFromFile(
stream, mapName: null, size, MemoryMappedFileAccess.Read, HandleInheritability.None,
leaveOpen: true );
stream, mapName:null, size, MemoryMappedFileAccess.Read, HandleInheritability.None, leaveOpen:true);
}
// ~StepReader()
// {
// Dispose(disposing: false);
// Dispose(disposing: false);
// }
public void Dispose()
{
Dispose( disposing: true );
GC.SuppressFinalize( this );
Dispose(disposing:true);
GC.SuppressFinalize(this);
}
public static bool FromFile( string path, out StepReader reader )
public static bool FromFile(string path, out StepReader reader)
{
FileInfo info = new FileInfo( path );
if( !info.Exists )
FileInfo info = new FileInfo(path);
if (!info.Exists)
{
reader = null!;
return false;
}
FileStream stream = new FileStream(
path, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize: 4096,
useAsync: true );
path, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize:4096, useAsync:true);
byte[] fileHead = new byte[40];
stream.Read( fileHead, 0, fileLabel.Length );
if( !Encoding.UTF8.GetString( fileHead ).Contains( fileLabel ) ) {
throw new InvalidDataException( "The given file is not a STEP file" );
stream.Read(fileHead, 0, fileLabel.Length);
if (!Encoding.UTF8.GetString(fileHead).Contains(fileLabel)) {
throw new InvalidDataException("The given file is not a STEP file");
}
reader = new StepReader( stream, info.Length );
reader = new StepReader(stream, info.Length);
reader.LocateSection();
return reader != null;
}
@@ -104,62 +99,62 @@ namespace StgSharp.Model.Step
long startPos = 0;
byte[] buffer = new byte[1024];
Span<byte> bufferSpan = buffer,
headerSec = Encoding.UTF8.GetBytes( "HEADER;" ),
endsecSec = Encoding.UTF8.GetBytes( "ENDSEC;" ),
dataSec = Encoding.UTF8.GetBytes( "DATA;" );
headerSec = Encoding.UTF8.GetBytes("HEADER;"),
endsecSec = Encoding.UTF8.GetBytes("ENDSEC;"),
dataSec = Encoding.UTF8.GetBytes("DATA;");
_fileStream.Position = 0;
for( ; startPos < _size; startPos += 1000 )
for (; startPos < _size; startPos += 1000)
{
_fileStream.Read( buffer );
if( _headStart == -1 )
_fileStream.Read(buffer);
if (_headStart == -1)
{
long pos = bufferSpan.IndexOf( headerSec );
if( pos >= 0 ) {
long pos = bufferSpan.IndexOf(headerSec);
if (pos >= 0) {
_headStart = startPos + pos;
}
}
if( _headEnd == -1 )
if (_headEnd == -1)
{
long pos = bufferSpan.IndexOf( endsecSec );
if( pos >= 0 ) {
long pos = bufferSpan.IndexOf(endsecSec);
if (pos >= 0) {
_headEnd = startPos + pos;
}
}
if( _dataStart == -1 )
if (_dataStart == -1)
{
long pos = bufferSpan.IndexOf( dataSec );
if( pos >= 0 ) {
long pos = bufferSpan.IndexOf(dataSec);
if (pos >= 0) {
_dataStart = startPos + pos;
}
} else
{
break;
}
_fileStream.Seek( 1000, SeekOrigin.Current );
_fileStream.Seek(1000, SeekOrigin.Current);
}
}
private string ReadToken( StreamReader reader, ref long posCache )
private string ReadToken(StreamReader reader, ref long posCache)
{
StringBuilder token = new StringBuilder( 100 );
while( token.Length == 0 || token[ token.Length - 1 ] != ';' )
StringBuilder token = new StringBuilder(100);
while (token.Length == 0 || token[token.Length - 1] != ';')
{
string subString = reader.ReadLine()!;
if( subString == null )
if (subString == null)
{
break;
}
token.Append( subString.TrimStart() );
token.Append(subString.TrimStart());
}
posCache += token.Length;
return token.ToString();
}
private protected virtual void Dispose( bool disposing )
private protected virtual void Dispose(bool disposing)
{
if( !disposedValue )
if (!disposedValue)
{
if( disposing )
if (disposing)
{
_fileStream.Dispose();
_memoryFile.Dispose();