1 files changed, 46 insertions, 0 deletions
diff --git a/dom/xslt/xpath/txNodeSetContext.h b/dom/xslt/xpath/txNodeSetContext.h
new file mode 100644
index 000000000..2c133cf33
--- /dev/null
+++ b/dom/xslt/xpath/txNodeSetContext.h
@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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"
+#include "nsAutoPtr.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