зеркало из https://github.com/mozilla/gecko-dev.git
44 строки
1.2 KiB
C++
44 строки
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "txExpr.h"
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#include "txNodeSet.h"
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#include "txIXPathContext.h"
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#include "txXPathTreeWalker.h"
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/**
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* Evaluates this Expr based on the given context node and processor state
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* @param context the context node for evaluation of this Expr
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* @param ps the ContextState containing the stack information needed
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* for evaluation
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* @return the result of the evaluation
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**/
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nsresult
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RootExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
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{
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txXPathTreeWalker walker(aContext->getContextNode());
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walker.moveToRoot();
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return aContext->recycler()->getNodeSet(walker.getCurrentPosition(),
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aResult);
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}
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TX_IMPL_EXPR_STUBS_0(RootExpr, NODESET_RESULT)
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bool
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RootExpr::isSensitiveTo(ContextSensitivity aContext)
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{
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return !!(aContext & NODE_CONTEXT);
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}
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#ifdef TX_TO_STRING
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void
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RootExpr::toString(nsAString& dest)
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{
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if (mSerialize)
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dest.Append(char16_t('/'));
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}
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#endif
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