private IDisposable Prepare([NotNull] IProjectFile file)
{
var hierarchy = T4ResolutionUtils.TryGetVsHierarchy(file);
var components = Components.Value.CanBeNull;
if (components == null)
{
return(Disposable.Empty);
}
object oldHierarchy = components.Hierarchy;
string oldInputFileName = components.InputFile;
return(Disposable.CreateBracket(
() =>
{
components.Hierarchy = hierarchy;
components.InputFile = file.Location.IsNullOrEmpty() ? null : file.Location.FullPath;
},
() =>
{
components.Hierarchy = oldHierarchy;
components.InputFile = oldInputFileName;
},
false
));
}
public static IDisposable With(
[CanBeNull] this ITextTemplatingComponents components,
[CanBeNull] IVsHierarchy hierarchy,
[CanBeNull] FileSystemPath inputFilePath
)
{
if (components == null)
{
return(Disposable.Empty);
}
object oldHierarchy = components.Hierarchy;
string oldInputFileName = components.InputFile;
return(Disposable.CreateBracket(
() => {
components.Hierarchy = hierarchy;
components.InputFile = inputFilePath.IsNullOrEmpty() ? null : inputFilePath.FullPath;
},
() => {
components.Hierarchy = oldHierarchy;
components.InputFile = oldInputFileName;
},
false
));
}