优化ui绑定侧逻辑

2026-07-25 23:45:29 +08:00
parent 3fbb82f40e
commit 251b8730b9
19 changed files with 782 additions and 436 deletions
@@ -0,0 +1,77 @@
+using System.Collections.Generic;
+
+namespace XericUI.ReflectionUIGenerator
+{
+    /// <summary>
+    /// 绑定名称前缀树（Trie），支持通过完整路径或成员名后缀快速查找 AvrgMvvmBinding。
+    /// 
+    /// 使用场景：
+    /// - Find("XericUI.MyData.speed")  → 完整路径精确命中
+    /// - FindByMemberName("speed")       → 沿 Trie 叶节点查找末段匹配
+    /// 
+    /// 在 BuildMDVM 时构建，绑定到 AvrgMvvmBindingCollection。
+    /// </summary>
+    internal class AvrgBindingTrie
+    {
+        private class Node
+        {
+            public AvrgMvvmBinding Binding;
+            public readonly Dictionary<string, Node> Children = new();
+        }
+
+        private readonly Node _root = new();
+        private readonly Dictionary<string, AvrgMvvmBinding> _memberNameIndex = new();
+
+        public void Insert(string fullPath, AvrgMvvmBinding binding)
+        {
+            if (string.IsNullOrEmpty(fullPath) || binding == null) return;
+
+            var parts = fullPath.Split('.');
+            var current = _root;
+            foreach (var part in parts)
+            {
+                if (!current.Children.TryGetValue(part, out var child))
+                {
+                    child = new Node();
+                    current.Children[part] = child;
+                }
+                current = child;
+            }
+            current.Binding = binding;
+
+            // 同时建成员名索引（末段）
+            string memberName = parts[parts.Length - 1];
+            if (!_memberNameIndex.ContainsKey(memberName))
+                _memberNameIndex[memberName] = binding;
+        }
+
+        /// <summary>通过完整路径精确查找（如 "XericUI.MyData.speed"）</summary>
+        public AvrgMvvmBinding Find(string fullPath)
+        {
+            if (string.IsNullOrEmpty(fullPath)) return null;
+
+            var parts = fullPath.Split('.');
+            var current = _root;
+            foreach (var part in parts)
+            {
+                if (!current.Children.TryGetValue(part, out current))
+                    return null;
+            }
+            return current?.Binding;
+        }
+
+        /// <summary>通过成员名查找（如 "speed"）— O(1) 直接索引</summary>
+        public AvrgMvvmBinding FindByMemberName(string memberName)
+        {
+            _memberNameIndex.TryGetValue(memberName, out var binding);
+            return binding;
+        }
+
+        /// <summary>清除所有索引</summary>
+        public void Clear()
+        {
+            _root.Children.Clear();
+            _memberNameIndex.Clear();
+        }
+    }
+}