private void Write(ITaskItem item, bool writeMetadata = true)
{
WriteDeduplicatedString(item.ItemSpec);
if (!writeMetadata)
{
Write((byte)0);
return;
}
// WARNING: Can't use AddRange here because CopyOnWriteDictionary in Microsoft.Build.Utilities.v4.0.dll
// is broken. Microsoft.Build.Utilities.v4.0.dll loads from the GAC by XAML markup tooling and it's
// implementation doesn't work with AddRange because AddRange special-cases ICollection<T> and
// CopyOnWriteDictionary doesn't implement it properly.
foreach (var kvp in item.EnumerateMetadata())
{
nameValueListBuffer.Add(kvp);
}
// Don't sort metadata because we want the binary log to be fully roundtrippable
// and we need to preserve the original order.
//if (nameValueListBuffer.Count > 1)
//{
// nameValueListBuffer.Sort((l, r) => StringComparer.OrdinalIgnoreCase.Compare(l.Key, r.Key));
//}
WriteNameValueList();
nameValueListBuffer.Clear();
}
private void WriteMetadata(BinaryWriter writer, ITaskItem taskItem)
{
if (reusableMetadataList == null)
{
reusableMetadataList = new List <KeyValuePair <string, string> >();
}
// WARNING: Can't use AddRange here because CopyOnWriteDictionary in Microsoft.Build.Utilities.v4.0.dll
// is broken. Microsoft.Build.Utilities.v4.0.dll loads from the GAC by XAML markup tooling and it's
// implementation doesn't work with AddRange because AddRange special-cases ICollection<T> and
// CopyOnWriteDictionary doesn't implement it properly.
foreach (var kvp in taskItem.EnumerateMetadata())
{
reusableMetadataList.Add(kvp);
}
writer.Write7BitEncodedInt(reusableMetadataList.Count);
if (reusableMetadataList.Count == 0)
{
return;
}
foreach (var kvp in reusableMetadataList)
{
writer.Write(kvp.Key);
writer.Write(kvp.Value);
}
reusableMetadataList.Clear();
}
public TaskItemData(ITaskItem original)
{
ItemSpec = original.ItemSpec;
var metadata = original.EnumerateMetadata();
// Can't preallocate capacity because we don't know how large it will get
// without enumerating the enumerable
var dictionary = new Dictionary <string, string>();
foreach (var item in metadata)
{
dictionary.Add(item.Key, item.Value);
}
Metadata = dictionary;
}