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
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+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="ExpLogic.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.Generic;
+using System.Runtime.CompilerServices;
+using System.Text;
+
+namespace StgSharp.Script.Express
+{
+    public enum ExpLogicValue
+    {
+
+        True,
+        False,
+        Unknown
+
+    }
+
+    public struct ExpLogic
+    {
+
+        public static readonly ExpLogic False = new ExpLogic( ExpLogicValue.False );
+
+        public static readonly ExpLogic True = new ExpLogic( ExpLogicValue.True );
+        public static readonly ExpLogic Unknown = new ExpLogic( ExpLogicValue.Unknown );
+
+        private readonly ExpLogicValue _value;
+
+        public ExpLogic( ExpLogicValue value )
+        {
+            _value = value;
+        }
+
+        public bool IsTrue => _value == ExpLogicValue.True;
+
+        public bool IsFalse => _value == ExpLogicValue.False;
+
+        public bool IsUnknown => _value == ExpLogicValue.Unknown;
+
+        [MethodImpl( MethodImplOptions.AggressiveInlining )]
+        public bool ToBoolean()
+        {
+            return _value == ExpLogicValue.True;
+        }
+
+        public override string ToString() => _value.ToString();
+
+        public static bool TryParse( ReadOnlySpan<char> value, out ExpLogic result )
+        {
+            if( Enum.TryParse<ExpLogicValue>( value, out ExpLogicValue e ) )
+            {
+                result = new ExpLogic( e );
+                return true;
+            }
+            result = default;
+            return false;
+        }
+
+        // NOT !
+        public static ExpLogic operator !( ExpLogic a )
+        {
+            return a.IsTrue ? False : a.IsFalse ? True : Unknown;
+        }
+
+        // AND &
+        public static ExpLogic operator &( ExpLogic a, ExpLogic b )
+        {
+            if( a.IsFalse || b.IsFalse ) {
+                return False;
+            }
+
+            if( a.IsUnknown || b.IsUnknown ) {
+                return Unknown;
+            }
+
+            return True;
+        }
+
+        // XOR ^
+        public static ExpLogic operator ^( ExpLogic a, ExpLogic b )
+        {
+            if( a.IsUnknown || b.IsUnknown ) {
+                return Unknown;
+            }
+
+            return ( a.IsTrue ^ b.IsTrue ) ? True : False;
+        }
+
+        // OR |
+        public static ExpLogic operator |( ExpLogic a, ExpLogic b )
+        {
+            if( a.IsTrue || b.IsTrue ) {
+                return True;
+            }
+
+            if( a.IsUnknown || b.IsUnknown ) {
+                return Unknown;
+            }
+
+            return False;
+        }
+
+    }
+}