///////////////////////////////////////////////////////////////////////
public ReturnCode AddImport(
INamespace targetNamespace,
string qualifiedImportName,
string qualifiedExportName,
ref Result error
)
{
CheckDisposed();
if (qualifiedImportName == null)
{
error = "invalid import name";
return(ReturnCode.Error);
}
if (qualifiedExportName == null)
{
error = "invalid export name";
return(ReturnCode.Error);
}
if (interpreter == null)
{
error = "invalid interpreter";
return(ReturnCode.Error);
}
if (imports == null)
{
error = String.Format(
"imports not available in namespace \"{0}\"",
GetDisplayName());
return(ReturnCode.Error);
}
IAlias alias = null;
Result localResult = null;
if (interpreter.AddAlias(
qualifiedImportName, CommandFlags.None,
AliasFlags.NamespaceImport, _Public.ClientData.Empty,
interpreter, null, new ArgumentList(qualifiedExportName),
null, 0, ref alias, ref localResult) == ReturnCode.Ok)
{
alias.SourceNamespace = this;
alias.TargetNamespace = targetNamespace;
}
else
{
error = localResult;
return(ReturnCode.Error);
}
string nameToken = alias.NameToken;
if (nameToken == null)
{
//
// NOTE: This should not happen as the alias was successfully
// added to the interpreter and the name token cannot be
// null in that case.
//
error = "invalid alias name";
return(ReturnCode.Error);
}
if (imports.ContainsKey(qualifiedImportName))
{
Result localError = null;
ResultList errors = new ResultList();
errors.Add(String.Format(
"can't add import \"{0}\" in \"{1}\": already exists",
nameToken, GetDisplayName()));
if (interpreter.RemoveAliasAndCommand(
nameToken, null, false,
ref localError) != ReturnCode.Ok)
{
errors.Add(localError);
}
error = errors;
return(ReturnCode.Error);
}
imports.Add(qualifiedImportName, alias);
return(ReturnCode.Ok);
}
