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-rw-r--r--dom/xslt/xpath/txNodeSetContext.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/dom/xslt/xpath/txNodeSetContext.h b/dom/xslt/xpath/txNodeSetContext.h
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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