/// <summary>
/// Clears the value of the specified extension
/// </summary>
public static void Clear <TTarget, TValue>(ref ExtensionSet <TTarget> set, RepeatedExtension <TTarget, TValue> extension) where TTarget : IExtendableMessage <TTarget>
{
if (set == null)
{
return;
}
set.ValuesByNumber.Remove(extension.FieldNumber);
if (set.ValuesByNumber.Count == 0)
{
set = null;
}
}
/// <summary>
/// Gets the value of the specified repeated extension, registering it if it doesn't exist
/// </summary>
public static RepeatedField <TValue> GetOrInitialize <TTarget, TValue>(ref ExtensionSet <TTarget> set, RepeatedExtension <TTarget, TValue> extension) where TTarget : IExtendableMessage <TTarget>
{
IExtensionValue value;
if (set == null)
{
value = extension.CreateValue();
set = new ExtensionSet <TTarget>();
set.ValuesByNumber.Add(extension.FieldNumber, value);
}
else
{
if (!set.ValuesByNumber.TryGetValue(extension.FieldNumber, out value))
{
value = extension.CreateValue();
set.ValuesByNumber.Add(extension.FieldNumber, value);
}
}
return(((RepeatedExtensionValue <TValue>)value).GetValue());
}
/// <summary>
/// Gets the value of the specified repeated extension or null if it doesn't exist in this set
/// </summary>
public static RepeatedField <TValue> Get <TTarget, TValue>(ref ExtensionSet <TTarget> set, RepeatedExtension <TTarget, TValue> extension) where TTarget : IExtendableMessage <TTarget>
{
IExtensionValue value;
if (TryGetValue(ref set, extension, out value))
{
return(((RepeatedExtensionValue <TValue>)value).GetValue());
}
else
{
return(null);
}
}