nuclex-shared-dotnet/Nuclex.Support
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ExpressionTreeCloner now can create shallow field-based clones of objects without a default constructor (before this, only deep clones worked); search-and-replace fix - some comments referred to something called 'propertys'; all cloners now correctly handle being passed null values (a clone of 'null' is also 'null' per definition)

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git-svn-id: file:///srv/devel/repo-conversion/nusu@246 d2e56fa2-650e-0410-a79f-9358c0239efd
This commit is contained in:
Markus Ewald 2012-02-08 17:38:20 +00:00
parent 15300676ba
commit d091061baa
8 changed files with 167 additions and 22 deletions
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27
Source/Cloning/ReflectionCloner.cs
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@ -58,9 +58,6 @@ namespace Nuclex.Support.Cloning {
/// </summary>
/// <typeparam name="TCloned">Type of the object that will be cloned</typeparam>
/// <param name="objectToClone">Object that will be cloned</param>
/// <param name="usePropertyBasedClone">
/// Whether to clone the object based on its properties only
/// </param>
/// <returns>A shallow clone of the provided object</returns>
public static TCloned ShallowPropertyClone<TCloned>(TCloned objectToClone) {
Type originalType = objectToClone.GetType();
@ -83,7 +80,12 @@ namespace Nuclex.Support.Cloning {
/// <param name="objectToClone">Object that will be cloned</param>
/// <returns>A deep clone of the provided object</returns>
public static TCloned DeepFieldClone<TCloned>(TCloned objectToClone) {
return (TCloned)deepCloneSingleFieldBased(objectToClone);
object objectToCloneAsObject = objectToClone;
if(objectToClone == null) {
return default(TCloned);
} else {
return (TCloned)deepCloneSingleFieldBased(objectToCloneAsObject);
}
}
/// <summary>
@ -94,7 +96,12 @@ namespace Nuclex.Support.Cloning {
/// <param name="objectToClone">Object that will be cloned</param>
/// <returns>A deep clone of the provided object</returns>
public static TCloned DeepPropertyClone<TCloned>(TCloned objectToClone) {
return (TCloned)deepCloneSinglePropertyBased(objectToClone);
object objectToCloneAsObject = objectToClone;
if(objectToClone == null) {
return default(TCloned);
} else {
return (TCloned)deepCloneSinglePropertyBased(objectToCloneAsObject);
}
}
/// <summary>
@ -104,6 +111,11 @@ namespace Nuclex.Support.Cloning {
/// <param name="objectToClone">Object that will be cloned</param>
/// <returns>A shallow clone of the provided object</returns>
TCloned ICloneFactory.ShallowFieldClone<TCloned>(TCloned objectToClone) {
if(typeof(TCloned).IsClass || typeof(TCloned).IsArray) {
if(ReferenceEquals(objectToClone, null)) {
return default(TCloned);
}
}
return ReflectionCloner.ShallowFieldClone<TCloned>(objectToClone);
}
@ -114,6 +126,11 @@ namespace Nuclex.Support.Cloning {
/// <param name="objectToClone">Object that will be cloned</param>
/// <returns>A shallow clone of the provided object</returns>
TCloned ICloneFactory.ShallowPropertyClone<TCloned>(TCloned objectToClone) {
if(typeof(TCloned).IsClass || typeof(TCloned).IsArray) {
if(ReferenceEquals(objectToClone, null)) {
return default(TCloned);
}
}
return ReflectionCloner.ShallowPropertyClone<TCloned>(objectToClone);
}