public void CopyMetadataTo(ITaskItem destinationItem)
{
ErrorUtilities.VerifyThrowArgumentNull(destinationItem, "destinationItem");
string metadata = destinationItem.GetMetadata("OriginalItemSpec");
ITaskItem2 item = destinationItem as ITaskItem2;
if (this.metadata != null)
{
TaskItem item2 = destinationItem as TaskItem;
if ((item2 != null) && (item2.metadata == null))
{
item2.metadata = this.metadata.Clone();
}
else
{
foreach (KeyValuePair <string, string> pair in this.metadata)
{
if (item != null)
{
if (string.IsNullOrEmpty(item.GetMetadataValueEscaped(pair.Key)))
{
item.SetMetadata(pair.Key, pair.Value);
}
}
else if (string.IsNullOrEmpty(destinationItem.GetMetadata(pair.Key)))
{
destinationItem.SetMetadata(pair.Key, EscapingUtilities.Escape(pair.Value));
}
}
}
}
if (string.IsNullOrEmpty(metadata))
{
if (item != null)
{
item.SetMetadata("OriginalItemSpec", ((ITaskItem2)this).EvaluatedIncludeEscaped);
}
else
{
destinationItem.SetMetadata("OriginalItemSpec", EscapingUtilities.Escape(this.ItemSpec));
}
}
}
/// <summary>
/// Copy the metadata (but not the ItemSpec) to destinationItem. If a particular metadata already exists on the
/// destination item, then it is not overwritten -- the original value wins.
/// </summary>
/// <param name="destinationItem">The item to copy metadata to.</param>
public void CopyMetadataTo
(
ITaskItem destinationItem
)
{
ErrorUtilities.VerifyThrowArgumentNull(destinationItem, "destinationItem");
// also copy the original item-spec under a "magic" metadata -- this is useful for tasks that forward metadata
// between items, and need to know the source item where the metadata came from
string originalItemSpec = destinationItem.GetMetadata("OriginalItemSpec");
ITaskItem2 destinationAsITaskItem2 = destinationItem as ITaskItem2;
if (_metadata != null)
{
TaskItem destinationAsTaskItem = destinationItem as TaskItem;
// Avoid a copy if we can
if (destinationAsTaskItem != null && destinationAsTaskItem.Metadata == null)
{
destinationAsTaskItem.Metadata = _metadata.Clone(); // Copy on write!
}
else
{
foreach (KeyValuePair <string, string> entry in _metadata)
{
string value;
if (destinationAsITaskItem2 != null)
{
value = destinationAsITaskItem2.GetMetadataValueEscaped(entry.Key);
if (String.IsNullOrEmpty(value))
{
destinationAsITaskItem2.SetMetadata(entry.Key, entry.Value);
}
}
else
{
value = destinationItem.GetMetadata(entry.Key);
if (String.IsNullOrEmpty(value))
{
destinationItem.SetMetadata(entry.Key, EscapingUtilities.Escape(entry.Value));
}
}
}
}
}
if (String.IsNullOrEmpty(originalItemSpec))
{
if (destinationAsITaskItem2 != null)
{
destinationAsITaskItem2.SetMetadata("OriginalItemSpec", ((ITaskItem2)this).EvaluatedIncludeEscaped);
}
else
{
destinationItem.SetMetadata("OriginalItemSpec", EscapingUtilities.Escape(ItemSpec));
}
}
}
