1 files changed, 50 insertions, 0 deletions
diff --git a/dom/xslt/xslt/txCurrentFunctionCall.cpp b/dom/xslt/xslt/txCurrentFunctionCall.cpp
new file mode 100644
index 0000000000..bf44d8eadd
--- /dev/null
+++ b/dom/xslt/xslt/txCurrentFunctionCall.cpp
@@ -0,0 +1,50 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsGkAtoms.h"
+#include "txXSLTFunctions.h"
+#include "txExecutionState.h"
+
+/*
+  Implementation of XSLT 1.0 extension function: current
+*/
+
+/**
+ * Creates a new current function call
+ **/
+CurrentFunctionCall::CurrentFunctionCall() = default;
+
+/*
+ * Evaluates this Expr
+ *
+ * @return NodeSet containing the context node used for the complete
+ * Expr or Pattern.
+ */
+nsresult CurrentFunctionCall::evaluate(txIEvalContext* aContext,
+                                       txAExprResult** aResult) {
+  *aResult = nullptr;
+
+  if (!requireParams(0, 0, aContext)) return NS_ERROR_XPATH_BAD_ARGUMENT_COUNT;
+
+  txExecutionState* es =
+      static_cast<txExecutionState*>(aContext->getPrivateContext());
+  if (!es) {
+    NS_ERROR("called xslt extension function \"current\" with wrong context");
+    return NS_ERROR_UNEXPECTED;
+  }
+  return aContext->recycler()->getNodeSet(
+      es->getEvalContext()->getContextNode(), aResult);
+}
+
+Expr::ResultType CurrentFunctionCall::getReturnType() { return NODESET_RESULT; }
+
+bool CurrentFunctionCall::isSensitiveTo(ContextSensitivity aContext) {
+  return !!(aContext & PRIVATE_CONTEXT);
+}
+
+#ifdef TX_TO_STRING
+void CurrentFunctionCall::appendName(nsAString& aDest) {
+  aDest.Append(nsGkAtoms::current->GetUTF16String());
+}
+#endif