add from giga-device, new branch added

2025-08-21 16:51:25 +08:00
commit 43bbc06bbb
1296 changed files with 264186 additions and 0 deletions
@@ -0,0 +1,155 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="ScriptSourceTransmitter.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 System;
+using System.Collections;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace StgSharp.Script
+{
+    /// <summary>
+    ///   Transmit a continuous part of script code to interpreter or compiler. This transmitter is
+    ///   designed for single-thread-write and single-thread read. Any multi thread operation will
+    ///   cause undefined behaviour.
+    /// </summary>
+    public class ScriptSourceTransmitter : IScriptSourceProvider
+    {
+
+        private static ScriptSourceTransmitter _empty = new ScriptSourceTransmitter(
+            string.Empty, 0, 0 )
+        {
+            _cache = [],
+            _buffer = []
+        };
+
+        private string[] _buffer;
+        private bool _isWriting = true;
+        private int _begin, _index;
+        private List<string> _cache;
+        private readonly string _completeMark;
+
+        internal ScriptSourceTransmitter( string[] buffer, int start )
+        {
+            _buffer = buffer;
+            _begin = start;
+            _isWriting = false;
+        }
+
+        public ScriptSourceTransmitter( string endMark, int start )
+        {
+            _cache = new List<string>();
+            _completeMark = endMark;
+            _begin = start;
+            _index = 0;
+        }
+
+        public ScriptSourceTransmitter( string endMark, int start, int capacity )
+        {
+            _cache = new List<string>( capacity );
+            _completeMark = endMark;
+            _begin = start;
+            _index = 0;
+        }
+
+        public bool IsEmpty => _isWriting ?
+                ( _cache.Count == 0 ) : ( _buffer.Length == 0 ) || ( _index >= _buffer.Length );
+
+        public bool IsFrozen => !_isWriting;
+
+        public int Location => _begin + _index;
+
+        public static ScriptSourceTransmitter Empty => _empty;
+
+        public void EndWriting()
+        {
+            if( !_isWriting ) {
+                return;
+            }
+            _isWriting = false;
+            _buffer = _cache.ToArray();
+            _cache = null!;
+        }
+
+        public string ReadLine()
+        {
+            if( _isWriting ) {
+                throw new InvalidOperationException( "Cannot read before all writing operation." );
+            }
+            if( _index >= _buffer.Length ) {
+                return string.Empty;
+            }
+            string str = _buffer[ _index ];
+            _index++;
+            return str;
+        }
+
+        public string ReadLine( out int position )
+        {
+            if( _isWriting ) {
+                throw new InvalidOperationException( "Cannot read before all writing operation." );
+            }
+            if( _index >= _buffer.Length )
+            {
+                position = -1;
+                return string.Empty;
+            }
+            position = _begin + _index;
+            string str = _buffer[ _index ];
+            _index++;
+            return str;
+        }
+
+        public IScriptSourceProvider Slice( int location, int count )
+        {
+            ArgumentOutOfRangeException.ThrowIfLessThan( location, _begin );
+            ArgumentOutOfRangeException.ThrowIfGreaterThan(
+                location + count, _begin + _buffer.Length );
+            return new ScriptSourceTransmitter(
+                _buffer.AsSpan().Slice( location, count ).ToArray(), location );
+        }
+
+        public void WriteLine( string line )
+        {
+            if( !_isWriting ) {
+                return;
+            }
+            if( string.Equals( _completeMark, line ) )
+            {
+                EndWriting();
+                return;
+            }
+            _cache.Add( line );
+        }
+
+    }
+}