private static bool IsAssemblyInfoFilled(UriDescription description)
{
if (string.IsNullOrEmpty(description.AssemblyName))
{
return(false);
}
return(!string.IsNullOrEmpty(description.AssemblyVersion) ||
!string.IsNullOrEmpty(description.AssemblyPublicKeyToken));
}
private static Uri CreateUri(UriDescription description)
{
Debug.Assert(description != null);
return(SharedThemeResourceDictionary.CreateUri(
description.AssemblyName,
description.AssemblyVersion,
description.AssemblyPublicKeyToken,
description.RelativePath));
}
private static bool TryGetUriDescription(Uri uri, out UriDescription description)
{
description = null;
if ((uri == null) || !uri.IsAbsoluteUri)
{
return(false);
}
if (!string.Equals(uri.Scheme, SharedThemeResourceDictionary.UriSchemePack, StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
var segments = uri.Segments;
if ((segments == null) || (segments.Length < 2))
{
return(false);
}
var componentPart = segments[1];
var index = componentPart.IndexOf(SharedThemeResourceDictionary.UriComponent, StringComparison.InvariantCultureIgnoreCase);
if (index < 0)
{
return(false);
}
string assemblyName = null;
string assemblyVersion = null;
string assemblyPublicKeyToken = null;
var assemblyInfo = componentPart.Substring(0, index);
if (assemblyInfo.Length > 0)
{
var assemblyParts = assemblyInfo.Split(new string[] { SharedThemeResourceDictionary.UriAssemblyInfoSeparator }, StringSplitOptions.None);
Debug.Assert(assemblyParts.Length <= 3);
assemblyName = (assemblyParts.Length > 0) ? assemblyParts[0] : null;
assemblyVersion = (assemblyParts.Length > 1) ? SharedThemeResourceDictionary.ParseAssemblyVersion(assemblyParts[1]) : null;
assemblyPublicKeyToken = (assemblyParts.Length > 2) ? assemblyParts[2] : null;
}
string relativePath = null;
if (segments.Length > 2)
{
var sb = new StringBuilder();
for (int i = 2; i < segments.Length; i++)
{
sb.Append(segments[i]);
}
relativePath = sb.ToString();
}
description = new UriDescription(assemblyName, assemblyVersion, assemblyPublicKeyToken, relativePath);
return(true);
}
private static bool TryGetUriDescription( Uri uri, out UriDescription description )
{
description = null;
if( ( uri == null ) || !uri.IsAbsoluteUri )
return false;
if( !string.Equals( uri.Scheme, SharedThemeResourceDictionary.UriSchemePack, StringComparison.InvariantCultureIgnoreCase ) )
return false;
var segments = uri.Segments;
if( ( segments == null ) || ( segments.Length < 2 ) )
return false;
var componentPart = segments[ 1 ];
var index = componentPart.IndexOf( SharedThemeResourceDictionary.UriComponent, StringComparison.InvariantCultureIgnoreCase );
if( index < 0 )
return false;
string assemblyName = null;
string assemblyVersion = null;
string assemblyPublicKeyToken = null;
var assemblyInfo = componentPart.Substring( 0, index );
if( assemblyInfo.Length > 0 )
{
var assemblyParts = assemblyInfo.Split( new string[] { SharedThemeResourceDictionary.UriAssemblyInfoSeparator }, StringSplitOptions.None );
Debug.Assert( assemblyParts.Length <= 3 );
assemblyName = ( assemblyParts.Length > 0 ) ? assemblyParts[ 0 ] : null;
assemblyVersion = ( assemblyParts.Length > 1 ) ? SharedThemeResourceDictionary.ParseAssemblyVersion( assemblyParts[ 1 ] ) : null;
assemblyPublicKeyToken = ( assemblyParts.Length > 2 ) ? assemblyParts[ 2 ] : null;
}
string relativePath = null;
if( segments.Length > 2 )
{
var sb = new StringBuilder();
for( int i = 2; i < segments.Length; i++ )
{
sb.Append( segments[ i ] );
}
relativePath = sb.ToString();
}
description = new UriDescription( assemblyName, assemblyVersion, assemblyPublicKeyToken, relativePath );
return true;
}
private static bool IsAssemblyInfoFilled( UriDescription description )
{
if( string.IsNullOrEmpty( description.AssemblyName ) )
return false;
return !string.IsNullOrEmpty( description.AssemblyVersion )
|| !string.IsNullOrEmpty( description.AssemblyPublicKeyToken );
}
private static Uri CreateUri( UriDescription description )
{
Debug.Assert( description != null );
return SharedThemeResourceDictionary.CreateUri(
description.AssemblyName,
description.AssemblyVersion,
description.AssemblyPublicKeyToken,
description.RelativePath );
}
