1 files changed, 74 insertions, 0 deletions
diff --git a/dom/xslt/xpath/XPathExpression.h b/dom/xslt/xpath/XPathExpression.h
new file mode 100644
index 000000000..bfe478bdb
--- /dev/null
+++ b/dom/xslt/xpath/XPathExpression.h
@@ -0,0 +1,74 @@
+/* -*- 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 mozilla_dom_XPathExpression_h
+#define mozilla_dom_XPathExpression_h
+
+#include "nsAutoPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIWeakReferenceUtils.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/NonRefcountedDOMObject.h"
+#include "mozilla/dom/XPathExpressionBinding.h"
+
+class Expr;
+class nsIDocument;
+class nsINode;
+class txResultRecycler;
+
+namespace mozilla {
+namespace dom {
+
+class XPathResult;
+
+/**
+ * A class for evaluating an XPath expression string
+ */
+class XPathExpression final : public NonRefcountedDOMObject
+{
+public:
+    XPathExpression(nsAutoPtr<Expr>&& aExpression, txResultRecycler* aRecycler,
+                    nsIDocument *aDocument);
+    ~XPathExpression();
+
+    bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
+    {
+        return XPathExpressionBinding::Wrap(aCx, this, aGivenProto, aReflector);
+    }
+
+    already_AddRefed<XPathResult>
+        Evaluate(JSContext* aCx, nsINode& aContextNode, uint16_t aType,
+                 JS::Handle<JSObject*> aInResult, ErrorResult& aRv)
+    {
+        return EvaluateWithContext(aCx, aContextNode, 1, 1, aType, aInResult,
+                                   aRv);
+    }
+    already_AddRefed<XPathResult>
+        EvaluateWithContext(JSContext* aCx, nsINode& aContextNode,
+                            uint32_t aContextPosition, uint32_t aContextSize,
+                            uint16_t aType, JS::Handle<JSObject*> aInResult,
+                            ErrorResult& aRv);
+    already_AddRefed<XPathResult>
+        Evaluate(nsINode& aContextNode, uint16_t aType, XPathResult* aInResult,
+                 ErrorResult& aRv)
+    {
+        return EvaluateWithContext(aContextNode, 1, 1, aType, aInResult, aRv);
+    }
+    already_AddRefed<XPathResult>
+        EvaluateWithContext(nsINode& aContextNode, uint32_t aContextPosition,
+                            uint32_t aContextSize, uint16_t aType,
+                            XPathResult* aInResult, ErrorResult& aRv);
+
+private:
+    nsAutoPtr<Expr> mExpression;
+    RefPtr<txResultRecycler> mRecycler;
+    nsWeakPtr mDocument;
+    bool mCheckDocument;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_XPathExpression_h */