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BUG-2021 & BUG-2022: Fixes for exceptions.

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This commit is contained in:
Robin 2016-09-14 10:50:40 +02:00
commit 35ed3b8d60
6 changed files with 51 additions and 26 deletions
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53
GreenshotPlugin/Core/Objects.cs → GreenshotPlugin/Core/ObjectExtensions.cs
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@ -18,6 +18,7 @@
* 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;
@ -26,7 +27,10 @@ using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
namespace GreenshotPlugin.Core {
public static class Objects {
/// <summary>
/// Extension methods which work for objects
/// </summary>
public static class ObjectExtensions {
/// <summary>
/// Perform a deep Copy of the object.
@ -34,41 +38,56 @@ namespace GreenshotPlugin.Core {
/// <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) {
if (!typeof(T).IsSerializable) {
throw new ArgumentException("The type must be serializable.", "source");
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 (ReferenceEquals(source, null)) {
if (source == null) {
return default(T);
}
IFormatter formatter = new BinaryFormatter();
Stream stream = new MemoryStream();
using (stream) {
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) {
Type type = typeof(T);
FieldInfo[] myObjectFields = type.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
var type = typeof(T);
var myObjectFields = type.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
foreach (FieldInfo fi in myObjectFields) {
fi.SetValue(destination, fi.GetValue(source));
foreach (var fieldInfo in myObjectFields) {
fieldInfo.SetValue(destination, fieldInfo.GetValue(source));
}
PropertyInfo[] myObjectProperties = type.GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
var myObjectProperties = type.GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo pi in myObjectProperties) {
if (pi.CanWrite) {
pi.SetValue(destination, pi.GetValue(source, null), null);
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;