greenshot/GreenshotPlugin/Core/ObjectExtensions.cs

106 lines
3.5 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2016 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
*
* 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 1 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, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
namespace GreenshotPlugin.Core {
/// <summary>
/// Extension methods which work for objects
/// </summary>
public static class ObjectExtensions {
/// <summary>
/// Perform a deep Copy of the object.
/// </summary>
/// <typeparam name="T">The type of object being copied.</typeparam>
/// <param name="source">The object instance to copy.</param>
/// <returns>The copied object.</returns>
public static T Clone<T>(this T source)
{
var typeparam = typeof(T);
if (!typeparam.IsInterface && !typeparam.IsSerializable)
{
throw new ArgumentException("The type must be serializable.", nameof(source));
}
// Don't serialize a null object, simply return the default for that object
if (source == null) {
return default(T);
}
IFormatter formatter = new BinaryFormatter();
using (var stream = new MemoryStream()) {
formatter.Serialize(stream, source);
stream.Seek(0, SeekOrigin.Begin);
return (T)formatter.Deserialize(stream);
}
}
/// <summary>
/// Clone the content from source to destination
/// </summary>
/// <typeparam name="T">Type to clone</typeparam>
/// <param name="source">Instance to copy from</param>
/// <param name="destination">Instance to copy to</param>
public static void CloneTo<T>(this T source, T destination) {
var type = typeof(T);
var myObjectFields = type.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
foreach (var fieldInfo in myObjectFields) {
fieldInfo.SetValue(destination, fieldInfo.GetValue(source));
}
var myObjectProperties = type.GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
foreach (var propertyInfo in myObjectProperties) {
if (propertyInfo.CanWrite) {
propertyInfo.SetValue(destination, propertyInfo.GetValue(source, null), null);
}
}
}
/// <summary>
/// Compare two lists
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="l1">IList</param>
/// <param name="l2">IList</param>
/// <returns>true if they are the same</returns>
public static bool CompareLists<T>(IList<T> l1, IList<T> l2) {
if (l1.Count != l2.Count) {
return false;
}
int matched = 0;
foreach(T item in l1) {
if (!l2.Contains(item)) {
return false;
}
matched++;
}
return matched == l1.Count;
}
}
}