/// <summary>
/// Asynchronously transforms a file.
/// </summary>
/// <param name="streamTaskFactory">A stream task factory.</param>
/// <param name="targetPath">A path to the file to be transformed.</param>
/// <param name="projectSystem">The project where this change is taking place.</param>
/// <param name="cancellationToken">A cancellation token.</param>
/// <returns>A task that represents the asynchronous operation.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="streamTaskFactory" />
/// is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="projectSystem" />
/// is <c>null</c>.</exception>
/// <exception cref="OperationCanceledException">Thrown if <paramref name="cancellationToken" />
/// is cancelled.</exception>
public async Task TransformFileAsync(
Func <Task <Stream> > streamTaskFactory,
string targetPath,
IMSBuildProjectSystem projectSystem,
CancellationToken cancellationToken)
{
if (streamTaskFactory == null)
{
throw new ArgumentNullException(nameof(streamTaskFactory));
}
if (projectSystem == null)
{
throw new ArgumentNullException(nameof(projectSystem));
}
cancellationToken.ThrowIfCancellationRequested();
// Get the xml fragment
var xmlFragment = await GetXmlAsync(streamTaskFactory, projectSystem, cancellationToken);
var transformDocument = MSBuildNuGetProjectSystemUtility.GetOrCreateDocument(xmlFragment.Name, targetPath, projectSystem);
// Do a merge
transformDocument.Root.MergeWith(xmlFragment, _nodeActions);
MSBuildNuGetProjectSystemUtility.AddFile(projectSystem, targetPath, transformDocument.Save);
}
public static XDocument GetOrCreateDocument(XName rootName, string path, IMSBuildProjectSystem msBuildNuGetProjectSystem)
{
return(MSBuildNuGetProjectSystemUtility.GetOrCreateDocument(rootName, path, msBuildNuGetProjectSystem));
}
