mirror of
https://github.com/ShareX/ShareX.git
synced 2024-08-24 06:32:13 +12:00
156 lines
No EOL
5.9 KiB
C#
156 lines
No EOL
5.9 KiB
C#
#region License Information (GPL v3)
|
|
|
|
/*
|
|
ShareX - A program that allows you to take screenshots and share any file type
|
|
Copyright (c) 2007-2017 ShareX Team
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
Optionally you can also view the license at <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#endregion License Information (GPL v3)
|
|
|
|
// Credits: https://github.com/Burtsev-Alexey/net-object-deep-copy
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Reflection;
|
|
|
|
namespace ShareX.HelpersLib
|
|
{
|
|
public static class ObjectExtensions
|
|
{
|
|
private static readonly MethodInfo CloneMethod = typeof(Object).GetMethod("MemberwiseClone", BindingFlags.NonPublic | BindingFlags.Instance);
|
|
|
|
public static bool IsPrimitive(this Type type)
|
|
{
|
|
if (type == typeof(string)) return true;
|
|
return type.IsValueType & type.IsPrimitive;
|
|
}
|
|
|
|
public static Object Copy(this Object originalObject)
|
|
{
|
|
return InternalCopy(originalObject, new Dictionary<Object, Object>(new ReferenceEqualityComparer()));
|
|
}
|
|
|
|
private static Object InternalCopy(Object originalObject, IDictionary<Object, Object> visited)
|
|
{
|
|
if (originalObject == null) return null;
|
|
var typeToReflect = originalObject.GetType();
|
|
if (IsPrimitive(typeToReflect)) return originalObject;
|
|
if (visited.ContainsKey(originalObject)) return visited[originalObject];
|
|
if (typeof(Delegate).IsAssignableFrom(typeToReflect)) return null;
|
|
var cloneObject = CloneMethod.Invoke(originalObject, null);
|
|
if (typeToReflect.IsArray)
|
|
{
|
|
var arrayType = typeToReflect.GetElementType();
|
|
if (IsPrimitive(arrayType) == false)
|
|
{
|
|
Array clonedArray = (Array)cloneObject;
|
|
clonedArray.ForEach((array, indices) => array.SetValue(InternalCopy(clonedArray.GetValue(indices), visited), indices));
|
|
}
|
|
}
|
|
visited.Add(originalObject, cloneObject);
|
|
CopyFields(originalObject, visited, cloneObject, typeToReflect);
|
|
RecursiveCopyBaseTypePrivateFields(originalObject, visited, cloneObject, typeToReflect);
|
|
return cloneObject;
|
|
}
|
|
|
|
private static void RecursiveCopyBaseTypePrivateFields(object originalObject, IDictionary<object, object> visited, object cloneObject, Type typeToReflect)
|
|
{
|
|
if (typeToReflect.BaseType != null)
|
|
{
|
|
RecursiveCopyBaseTypePrivateFields(originalObject, visited, cloneObject, typeToReflect.BaseType);
|
|
CopyFields(originalObject, visited, cloneObject, typeToReflect.BaseType, BindingFlags.Instance | BindingFlags.NonPublic, info => info.IsPrivate);
|
|
}
|
|
}
|
|
|
|
private static void CopyFields(object originalObject, IDictionary<object, object> visited, object cloneObject, Type typeToReflect, BindingFlags bindingFlags = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.FlattenHierarchy, Func<FieldInfo, bool> filter = null)
|
|
{
|
|
foreach (FieldInfo fieldInfo in typeToReflect.GetFields(bindingFlags))
|
|
{
|
|
if (filter != null && filter(fieldInfo) == false) continue;
|
|
if (IsPrimitive(fieldInfo.FieldType)) continue;
|
|
var originalFieldValue = fieldInfo.GetValue(originalObject);
|
|
var clonedFieldValue = InternalCopy(originalFieldValue, visited);
|
|
fieldInfo.SetValue(cloneObject, clonedFieldValue);
|
|
}
|
|
}
|
|
|
|
public static T Copy<T>(this T original)
|
|
{
|
|
return (T)Copy((Object)original);
|
|
}
|
|
}
|
|
|
|
public class ReferenceEqualityComparer : EqualityComparer<Object>
|
|
{
|
|
public override bool Equals(object x, object y)
|
|
{
|
|
return ReferenceEquals(x, y);
|
|
}
|
|
|
|
public override int GetHashCode(object obj)
|
|
{
|
|
if (obj == null) return 0;
|
|
return obj.GetHashCode();
|
|
}
|
|
}
|
|
|
|
public static class ArrayExtensions
|
|
{
|
|
public static void ForEach(this Array array, Action<Array, int[]> action)
|
|
{
|
|
if (array.LongLength == 0) return;
|
|
ArrayTraverse walker = new ArrayTraverse(array);
|
|
do action(array, walker.Position);
|
|
while (walker.Step());
|
|
}
|
|
}
|
|
|
|
internal class ArrayTraverse
|
|
{
|
|
public int[] Position;
|
|
private int[] maxLengths;
|
|
|
|
public ArrayTraverse(Array array)
|
|
{
|
|
maxLengths = new int[array.Rank];
|
|
for (int i = 0; i < array.Rank; ++i)
|
|
{
|
|
maxLengths[i] = array.GetLength(i) - 1;
|
|
}
|
|
Position = new int[array.Rank];
|
|
}
|
|
|
|
public bool Step()
|
|
{
|
|
for (int i = 0; i < Position.Length; ++i)
|
|
{
|
|
if (Position[i] < maxLengths[i])
|
|
{
|
|
Position[i]++;
|
|
for (int j = 0; j < i; j++)
|
|
{
|
|
Position[j] = 0;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
} |