michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef __TX_XPATH_SINGLENODE_CONTEXT
michael@0: #define __TX_XPATH_SINGLENODE_CONTEXT
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "txIXPathContext.h"
michael@0: 
michael@0: class txSingleNodeContext : public txIEvalContext
michael@0: {
michael@0: public:
michael@0:     txSingleNodeContext(const txXPathNode& aContextNode,
michael@0:                         txIMatchContext* aContext)
michael@0:         : mNode(aContextNode),
michael@0:           mInner(aContext)
michael@0:     {
michael@0:         NS_ASSERTION(aContext, "txIMatchContext must be given");
michael@0:     }
michael@0: 
michael@0:     nsresult getVariable(int32_t aNamespace, nsIAtom* aLName,
michael@0:                          txAExprResult*& aResult) MOZ_OVERRIDE
michael@0:     {
michael@0:         NS_ASSERTION(mInner, "mInner is null!!!");
michael@0:         return mInner->getVariable(aNamespace, aLName, aResult);
michael@0:     }
michael@0: 
michael@0:     bool isStripSpaceAllowed(const txXPathNode& aNode) MOZ_OVERRIDE
michael@0:     {
michael@0:         NS_ASSERTION(mInner, "mInner is null!!!");
michael@0:         return mInner->isStripSpaceAllowed(aNode);
michael@0:     }
michael@0: 
michael@0:     void* getPrivateContext() MOZ_OVERRIDE
michael@0:     {
michael@0:         NS_ASSERTION(mInner, "mInner is null!!!");
michael@0:         return mInner->getPrivateContext();
michael@0:     }
michael@0: 
michael@0:     txResultRecycler* recycler() MOZ_OVERRIDE
michael@0:     {
michael@0:         NS_ASSERTION(mInner, "mInner is null!!!");
michael@0:         return mInner->recycler();
michael@0:     }
michael@0: 
michael@0:     void receiveError(const nsAString& aMsg, nsresult aRes) MOZ_OVERRIDE
michael@0:     {
michael@0:         NS_ASSERTION(mInner, "mInner is null!!!");
michael@0: #ifdef DEBUG
michael@0:         nsAutoString error(NS_LITERAL_STRING("forwarded error: "));
michael@0:         error.Append(aMsg);
michael@0:         mInner->receiveError(error, aRes);
michael@0: #else
michael@0:         mInner->receiveError(aMsg, aRes);
michael@0: #endif
michael@0:     }
michael@0: 
michael@0:     const txXPathNode& getContextNode() MOZ_OVERRIDE
michael@0:     {
michael@0:         return mNode;
michael@0:     }
michael@0: 
michael@0:     uint32_t size() MOZ_OVERRIDE
michael@0:     {
michael@0:         return 1;
michael@0:     }
michael@0: 
michael@0:     uint32_t position() MOZ_OVERRIDE
michael@0:     {
michael@0:         return 1;
michael@0:     }
michael@0: 
michael@0: private:
michael@0:     const txXPathNode& mNode;
michael@0:     txIMatchContext* mInner;
michael@0: };
michael@0: 
michael@0: #endif // __TX_XPATH_SINGLENODE_CONTEXT