Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "txExpr.h"
       7             : #include "txNodeSet.h"
       8             : #include "txIXPathContext.h"
       9             : #include "txXPathTreeWalker.h"
      10             : 
      11             : /**
      12             :  * Evaluates this Expr based on the given context node and processor state
      13             :  * @param context the context node for evaluation of this Expr
      14             :  * @param ps the ContextState containing the stack information needed
      15             :  * for evaluation
      16             :  * @return the result of the evaluation
      17             : **/
      18             : nsresult
      19           0 : RootExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
      20             : {
      21           0 :     txXPathTreeWalker walker(aContext->getContextNode());
      22           0 :     walker.moveToRoot();
      23             : 
      24           0 :     return aContext->recycler()->getNodeSet(walker.getCurrentPosition(),
      25           0 :                                             aResult);
      26             : }
      27             : 
      28           0 : TX_IMPL_EXPR_STUBS_0(RootExpr, NODESET_RESULT)
      29             : 
      30             : bool
      31           0 : RootExpr::isSensitiveTo(ContextSensitivity aContext)
      32             : {
      33           0 :     return !!(aContext & NODE_CONTEXT);
      34             : }
      35             : 
      36             : #ifdef TX_TO_STRING
      37             : void
      38           0 : RootExpr::toString(nsAString& dest)
      39             : {
      40           0 :     if (mSerialize)
      41           0 :         dest.Append(char16_t('/'));
      42           0 : }
      43             : #endif