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-rw-r--r--dom/xslt/xpath/txSingleNodeContext.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/dom/xslt/xpath/txSingleNodeContext.h b/dom/xslt/xpath/txSingleNodeContext.h
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index 000000000..e66083d80
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+++ b/dom/xslt/xpath/txSingleNodeContext.h
@@ -0,0 +1,80 @@
+/* -*- 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_SINGLENODE_CONTEXT
+#define __TX_XPATH_SINGLENODE_CONTEXT
+
+#include "mozilla/Attributes.h"
+#include "txIXPathContext.h"
+
+class txSingleNodeContext : public txIEvalContext
+{
+public:
+ txSingleNodeContext(const txXPathNode& aContextNode,
+ txIMatchContext* aContext)
+ : mNode(aContextNode),
+ mInner(aContext)
+ {
+ NS_ASSERTION(aContext, "txIMatchContext must be given");
+ }
+
+ nsresult getVariable(int32_t aNamespace, nsIAtom* aLName,
+ txAExprResult*& aResult) override
+ {
+ NS_ASSERTION(mInner, "mInner is null!!!");
+ return mInner->getVariable(aNamespace, aLName, aResult);
+ }
+
+ bool isStripSpaceAllowed(const txXPathNode& aNode) override
+ {
+ NS_ASSERTION(mInner, "mInner is null!!!");
+ return mInner->isStripSpaceAllowed(aNode);
+ }
+
+ void* getPrivateContext() override
+ {
+ NS_ASSERTION(mInner, "mInner is null!!!");
+ return mInner->getPrivateContext();
+ }
+
+ txResultRecycler* recycler() override
+ {
+ NS_ASSERTION(mInner, "mInner is null!!!");
+ return mInner->recycler();
+ }
+
+ void receiveError(const nsAString& aMsg, nsresult aRes) override
+ {
+ NS_ASSERTION(mInner, "mInner is null!!!");
+#ifdef DEBUG
+ nsAutoString error(NS_LITERAL_STRING("forwarded error: "));
+ error.Append(aMsg);
+ mInner->receiveError(error, aRes);
+#else
+ mInner->receiveError(aMsg, aRes);
+#endif
+ }
+
+ const txXPathNode& getContextNode() override
+ {
+ return mNode;
+ }
+
+ uint32_t size() override
+ {
+ return 1;
+ }
+
+ uint32_t position() override
+ {
+ return 1;
+ }
+
+private:
+ const txXPathNode& mNode;
+ txIMatchContext* mInner;
+};
+
+#endif // __TX_XPATH_SINGLENODE_CONTEXT