1 files changed, 36 insertions, 0 deletions
diff --git a/dom/xslt/xpath/txNodeSetContext.h b/dom/xslt/xpath/txNodeSetContext.h
new file mode 100644
index 0000000000..86cb14ab95
--- /dev/null
+++ b/dom/xslt/xpath/txNodeSetContext.h
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#ifndef __TX_XPATH_SET_CONTEXT
+#define __TX_XPATH_SET_CONTEXT
+
+#include "txIXPathContext.h"
+#include "txNodeSet.h"
+
+class txNodeSetContext : public txIEvalContext {
+ public:
+  txNodeSetContext(txNodeSet* aContextNodeSet, txIMatchContext* aContext)
+      : mContextSet(aContextNodeSet), mPosition(0), mInner(aContext) {}
+
+  // Iteration over the given NodeSet
+  bool hasNext() { return mPosition < size(); }
+  void next() {
+    NS_ASSERTION(mPosition < size(), "Out of bounds.");
+    mPosition++;
+  }
+  void setPosition(uint32_t aPosition) {
+    NS_ASSERTION(aPosition > 0 && aPosition <= size(), "Out of bounds.");
+    mPosition = aPosition;
+  }
+
+  TX_DECL_EVAL_CONTEXT;
+
+ protected:
+  RefPtr<txNodeSet> mContextSet;
+  uint32_t mPosition;
+  txIMatchContext* mInner;
+};
+
+#endif  // __TX_XPATH_SET_CONTEXT