switch root namespace name to NITLOAD

2026-09-02 18:15:03 +08:00
parent 4218baad48
commit 7c7101ee48
502 changed files with 710 additions and 721 deletions
@@ -0,0 +1,85 @@
+// -----------------------------------------------------------------------------
+// file="UnmanagedStack"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Nitload.Common.Collections
+{
+    public unsafe class UnmanagedStack<T>(
+                        T* address,
+                        int capacity,
+                        Action<nuint> freeHandle
+    ) : IDisposable where T : unmanaged
+    {
+
+        private T* _array = address;
+        private readonly Action<nuint> _freeHandle = freeHandle;
+        private readonly int _capacity = capacity;
+        private int _index;
+
+        public void Clear()
+        {
+            _index = 0;
+        }
+
+        public void Dispose()
+        {
+            if (_array != null)
+            {
+                _freeHandle((nuint)_array);
+                _array = null;
+            }
+            GC.SuppressFinalize(this);
+        }
+
+        public T Pop()
+        {
+            if (_index == 0) {
+                throw new InvalidOperationException("Stack is empty.");
+            }
+            return _array[--_index];
+        }
+
+        public void Push(
+                    T value
+        )
+        {
+            _array[_index] = value;
+            _index++;
+        }
+
+        public bool TryPop(
+                    out T value
+        )
+        {
+            if (_index == 0)
+            {
+                value = default;
+                return false;
+            }
+            value = _array[--_index];
+            return true;
+        }
+
+        public bool TryPush(
+                    T value
+        )
+        {
+            if (_index >= _capacity) {
+                return false;
+            }
+            _array[_index] = value;
+            _index++;
+            return true;
+        }
+
+    }
+}