gecko-dev/dom/xslt/xpath/txSingleNodeContext.h

82 строки
2.1 KiB
C++

/* -*- 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);
}
nsresult isStripSpaceAllowed(const txXPathNode& aNode,
bool& aAllowed) override
{
NS_ASSERTION(mInner, "mInner is null!!!");
return mInner->isStripSpaceAllowed(aNode, aAllowed);
}
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