private void VerifyExpression(string test)
{
List <string> list = new List <string>();
list.Add(test);
ItemsAndMetadataPair pair = ExpressionShredder.GetReferencedItemNamesAndMetadata(list);
Hashtable actualItems = pair.Items;
Dictionary <string, MetadataReference> actualMetadata = pair.Metadata;
Hashtable expectedItems = GetConsumedItemReferences_OriginalImplementation(test);
Console.WriteLine("verifying item names...");
VerifyAgainstCanonicalResults(test, actualItems, expectedItems);
Hashtable expectedMetadata = GetConsumedMetadataReferences_OriginalImplementation(test);
Console.WriteLine("verifying metadata ...");
VerifyAgainstCanonicalResults(test, actualMetadata, expectedMetadata);
Console.WriteLine("===OK===");
}
internal static List <ItemBucket> PrepareBatchingBuckets
(
List <string> batchableObjectParameters,
Lookup lookup,
string implicitBatchableItemType,
ElementLocation elementLocation
)
{
if (batchableObjectParameters == null)
{
ErrorUtilities.ThrowInternalError("Need the parameters of the batchable object to determine if it can be batched.");
}
if (lookup == null)
{
ErrorUtilities.ThrowInternalError("Need to specify the lookup.");
}
ItemsAndMetadataPair pair = ExpressionShredder.GetReferencedItemNamesAndMetadata(batchableObjectParameters);
// All the @(itemname) item list references in the tag, including transforms, etc.
HashSet <string> consumedItemReferences = pair.Items;
// All the %(itemname.metadataname) references in the tag (not counting those embedded
// inside item transforms), and note that the itemname portion is optional.
// The keys in the returned hash table are the qualified metadata names (e.g. "EmbeddedResource.Culture"
// or just "Culture"). The values are MetadataReference structs, which simply split out the item
// name (possibly null) and the actual metadata name.
Dictionary <string, MetadataReference> consumedMetadataReferences = pair.Metadata;
List <ItemBucket> buckets = null;
if (consumedMetadataReferences?.Count > 0)
{
// Add any item types that we were explicitly told to assume.
if (implicitBatchableItemType != null)
{
consumedItemReferences ??= new HashSet <string>(MSBuildNameIgnoreCaseComparer.Default);
consumedItemReferences.Add(implicitBatchableItemType);
}
// This method goes through all the item list references and figures out which ones
// will be participating in batching, and which ones won't. We get back a hashtable
// where the key is the item name that will be participating in batching. The values
// are all String.Empty (not used). This method may return additional item names
// that weren't represented in "consumedItemReferences"... this would happen if there
// were qualified metadata references in the consumedMetadataReferences table, such as
// %(EmbeddedResource.Culture).
Dictionary <string, ICollection <ProjectItemInstance> > itemListsToBeBatched = GetItemListsToBeBatched(consumedMetadataReferences, consumedItemReferences, lookup, elementLocation);
// At this point, if there were any metadata references in the tag, but no item
// references to batch on, we've got a problem because we can't figure out which
// item lists the user wants us to batch.
if (itemListsToBeBatched.Count == 0)
{
foreach (string unqualifiedMetadataName in consumedMetadataReferences.Keys)
{
// Of course, since this throws an exception, there's no way we're ever going
// to really loop here... it's just that the foreach is the only way I can
// figure out how to get data out of the hashtable without knowing any of the
// keys!
ProjectErrorUtilities.ThrowInvalidProject(elementLocation, "CannotReferenceItemMetadataWithoutItemName", unqualifiedMetadataName);
}
}
else
{
// If the batchable object consumes item metadata as well as items to be batched,
// we need to partition the items consumed by the object.
buckets = BucketConsumedItems(lookup, itemListsToBeBatched, consumedMetadataReferences, elementLocation);
}
}
// if the batchable object does not consume any item metadata or items, or if the item lists it consumes are all
// empty, then the object does not need to be batched
if ((buckets == null) || (buckets.Count == 0))
{
// create a default bucket that references the project items and properties -- this way we always have a bucket
buckets = new List <ItemBucket>(1);
buckets.Add(new ItemBucket(null, null, lookup, buckets.Count));
}
return(buckets);
}
