private static bool IsNamespace(
INamespaceSymbol namespaceSymbol,
NameSyntax name,
SemanticModel semanticModel,
CancellationToken cancellationToken)
{
if (name != null)
{
ISymbol symbol = semanticModel.GetSymbol(name, cancellationToken);
if (symbol?.IsNamespace() == true)
{
string namespaceText = namespaceSymbol.ToString();
if (string.Equals(namespaceText, symbol.ToString(), StringComparison.Ordinal))
{
return(true);
}
else if (name.IsParentKind(SyntaxKind.NamespaceDeclaration))
{
foreach (INamespaceSymbol containingNamespace in symbol.ContainingNamespaces())
{
if (string.Equals(namespaceText, containingNamespace.ToString(), StringComparison.Ordinal))
{
return(true);
}
}
}
}
}
return(false);
}
public static bool IsNamespaceInScope(
SyntaxNode node,
INamespaceSymbol namespaceSymbol,
SemanticModel semanticModel,
CancellationToken cancellationToken = default(CancellationToken))
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
if (namespaceSymbol == null)
{
throw new ArgumentNullException(nameof(namespaceSymbol));
}
if (semanticModel == null)
{
throw new ArgumentNullException(nameof(semanticModel));
}
foreach (NameSyntax name in NamespacesInScope(node))
{
ISymbol symbol = semanticModel.GetSymbol(name, cancellationToken);
if (symbol?.IsNamespace() == true)
{
string namespaceText = namespaceSymbol.ToString();
if (string.Equals(namespaceText, symbol.ToString(), StringComparison.Ordinal))
{
return(true);
}
else if (name.IsParentKind(SyntaxKind.NamespaceDeclaration))
{
foreach (INamespaceSymbol containingNamespace in symbol.ContainingNamespaces())
{
if (string.Equals(namespaceText, containingNamespace.ToString(), StringComparison.Ordinal))
{
return(true);
}
}
}
}
}
return(false);
}
