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 +1,113 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="ExpSwitchNode.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.Text;
+
+namespace StgSharp.Script.Express
+{
+    public class ExpSwitchNode : ExpBaseNode
+    {
+
+        private Dictionary<ExpBaseNode, ExpBaseNode> _cases;
+        private ExpBaseNode _default;
+        private ExpBaseNode _target;
+
+        public ExpSwitchNode(
+                       string name,
+                       ExpSchema context,
+                       ExpBaseNode target,
+                       ExpBaseNode defaultCase,
+                       params (ExpBaseNode label, ExpBaseNode op)[] cases )
+            : base( name, context )
+        {
+            _target = target;
+            _default = defaultCase;
+            _cases = new Dictionary<ExpBaseNode, ExpBaseNode>();
+            foreach( (ExpBaseNode label, ExpBaseNode op ) item in cases ) {
+                if( item.op == null ) {
+                    _cases.Add( item.label, null! );
+                } else {
+                    _cases.Add( item.label, item.op );
+                }
+            }
+        }
+
+        public ExpBaseNode this[ ExpBaseNode index ]
+        {
+            get
+            {
+                if( _cases.TryGetValue( index, out ExpBaseNode? ret ) ) {
+                    return ret;
+                }
+                return _default;
+            }
+        }
+
+        public override ExpBaseNode Left => throw new NotImplementedException();
+
+        public override ExpBaseNode Right => throw new NotImplementedException();
+
+        public override IExpElementSource EqualityTypeConvert => null!;
+
+        public void AddOperationToDefault( ExpBaseNode expressionRoot )
+        {
+            if( expressionRoot != null ) {
+                _default.AppendNode( expressionRoot );
+            }
+        }
+
+        /// <summary>
+        /// Adds an expression to certain <see langword="case" />. The added expression will be run
+        /// at last.
+        /// </summary>
+        /// <param name="label"> Label of case to add operation </param>
+        /// <param name="expressionRoot"> Root token of the expression to be added. </param>
+        /// <exception cref="ExpCaseNotFoundException"> Cannot fine the case label in current witch expression. </exception>
+        public void AppendOperationToCase(
+                            ExpBaseNode label,
+                            ExpBaseNode expressionRoot )
+        {
+            AssertSchemaInclude( expressionRoot );
+            if( _cases.TryGetValue( label, out ExpBaseNode? op ) ) {
+                op.AppendNode( expressionRoot );
+            } else {
+                throw new ExpCaseNotFoundException( this, label );
+            }
+        }
+
+        public bool ContainsCase( ExpBaseNode token )
+        {
+            return _cases.ContainsKey( token );
+        }
+
+    }
+}