public static BuildProvider GetBuildProvider (VirtualPath virtualPath, BuildProviderCollection coll)
{
if (virtualPath == null || String.IsNullOrEmpty (virtualPath.Original) || coll == null)
return null;
string extension = virtualPath.Extension;
BuildProvider bp = coll.GetProviderForExtension (extension);
if (bp == null) {
if (String.Compare (extension, ".asax", StringComparison.OrdinalIgnoreCase) == 0)
bp = new ApplicationFileBuildProvider ();
else if (StrUtils.StartsWith (virtualPath.AppRelative, "~/App_Themes/"))
bp = new ThemeDirectoryBuildProvider ();
if (bp != null)
bp.SetVirtualPath (virtualPath);
return bp;
}
object[] attrs = bp.GetType ().GetCustomAttributes (typeof (BuildProviderAppliesToAttribute), true);
if (attrs == null || attrs.Length == 0)
return bp;
BuildProviderAppliesTo appliesTo = ((BuildProviderAppliesToAttribute)attrs [0]).AppliesTo;
if ((appliesTo & BuildProviderAppliesTo.Web) == 0)
return null;
bp.SetVirtualPath (virtualPath);
return bp;
}
BuildProvider GetBuildProviderFor (string file, BuildProviderCollection buildProviders)
{
if (file == null || file.Length == 0 || buildProviders == null || buildProviders.Count == 0)
return null;
BuildProvider ret = buildProviders.GetProviderForExtension (Path.GetExtension (file));
if (ret != null && IsCorrectBuilderType (ret)) {
ret.SetVirtualPath (PhysicalToVirtual (file));
return ret;
}
return null;
}
