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/* -*- 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/. */
#include "txExpr.h"
#include "txNodeSet.h"
#include "txIXPathContext.h"
#include "txXPathTreeWalker.h"
/**
* Evaluates this Expr based on the given context node and processor state
* @param context the context node for evaluation of this Expr
* @param ps the ContextState containing the stack information needed
* for evaluation
* @return the result of the evaluation
**/
nsresult
RootExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
{
txXPathTreeWalker walker(aContext->getContextNode());
walker.moveToRoot();
return aContext->recycler()->getNodeSet(walker.getCurrentPosition(),
aResult);
}
TX_IMPL_EXPR_STUBS_0(RootExpr, NODESET_RESULT)
bool
RootExpr::isSensitiveTo(ContextSensitivity aContext)
{
return !!(aContext & NODE_CONTEXT);
}
#ifdef TX_TO_STRING
void
RootExpr::toString(nsAString& dest)
{
if (mSerialize)
dest.Append(char16_t('/'));
}
#endif
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