internal void Init(string prefix, string nsUri, string prevDefaultNsUri, NamespaceDecl?next)
{
_prefix = prefix;
_nsUri = nsUri;
_prevDefaultNsUri = prevDefaultNsUri;
_next = next;
}
internal void PopScope()
{
OutputScope?elementScope = (OutputScope?)_elementScopesStack.Pop();
Debug.Assert(elementScope != null); // We're adding rootElementScope to gurantee this
for (NamespaceDecl?scope = elementScope.Scopes; scope != null; scope = scope.Next)
{
_defaultNS = scope.PrevDefaultNsUri;
}
}
internal string?ResolveNonAtom(string prefix)
{
Debug.Assert(prefix != null && prefix.Length > 0);
for (NamespaceDecl?scope = this.scopes; scope != null; scope = scope.Next)
{
if (scope.Prefix == prefix)
{
Debug.Assert(scope.Uri != null);
return(scope.Uri);
}
}
return(null);
}
internal void PopScope()
{
Debug.Assert(_scopeStack != null, "Push/Pop disbalance");
if (_scopeStack == null)
{
return;
}
for (NamespaceDecl?scope = _scopeStack.Scopes; scope != null; scope = scope.Next)
{
_defaultNS = scope.PrevDefaultNsUri;
}
_scopeStack = _scopeStack.Parent;
}
internal bool FindPrefix(string urn, out string prefix)
{
Debug.Assert(urn != null);
for (NamespaceDecl?scope = this.scopes; scope != null; scope = scope.Next)
{
if (Ref.Equal(scope.Uri, urn) &&
scope.Prefix != null &&
scope.Prefix.Length > 0)
{
prefix = scope.Prefix;
return(true);
}
}
prefix = string.Empty;
return(false);
}
internal NamespaceDecl(string prefix, string nsUri, string prevDefaultNsUri, NamespaceDecl?next)
{
Init(prefix, nsUri, prevDefaultNsUri, next);
}
internal NamespaceDecl AddNamespace(string prefix, string uri, string prevDefaultNsUri)
{
this.scopes = new NamespaceDecl(prefix, uri, prevDefaultNsUri, this.scopes);
return(this.scopes);
}