LCOV - code coverage report
Current view: top level - dom/xslt/xpath - txFilterExpr.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 36 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          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             : 
      10             : //-- Implementation of FilterExpr --/
      11             : 
      12             :   //-----------------------------/
      13             :  //- Virtual methods from Expr -/
      14             : //-----------------------------/
      15             : 
      16             : /**
      17             :  * Evaluates this Expr based on the given context node and processor state
      18             :  * @param context the context node for evaluation of this Expr
      19             :  * @param ps the ProcessorState containing the stack information needed
      20             :  * for evaluation
      21             :  * @return the result of the evaluation
      22             :  * @see Expr
      23             : **/
      24             : nsresult
      25           0 : FilterExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
      26             : {
      27           0 :     *aResult = nullptr;
      28             : 
      29           0 :     RefPtr<txAExprResult> exprRes;
      30           0 :     nsresult rv = expr->evaluate(aContext, getter_AddRefs(exprRes));
      31           0 :     NS_ENSURE_SUCCESS(rv, rv);
      32             : 
      33           0 :     NS_ENSURE_TRUE(exprRes->getResultType() == txAExprResult::NODESET,
      34             :                    NS_ERROR_XSLT_NODESET_EXPECTED);
      35             : 
      36             :     RefPtr<txNodeSet> nodes =
      37           0 :         static_cast<txNodeSet*>(static_cast<txAExprResult*>(exprRes));
      38             :     // null out exprRes so that we can test for shared-ness
      39           0 :     exprRes = nullptr;
      40             : 
      41           0 :     RefPtr<txNodeSet> nonShared;
      42           0 :     rv = aContext->recycler()->getNonSharedNodeSet(nodes,
      43           0 :                                                    getter_AddRefs(nonShared));
      44           0 :     NS_ENSURE_SUCCESS(rv, rv);
      45             : 
      46           0 :     rv = evaluatePredicates(nonShared, aContext);
      47           0 :     NS_ENSURE_SUCCESS(rv, rv);
      48             : 
      49           0 :     *aResult = nonShared;
      50           0 :     NS_ADDREF(*aResult);
      51             : 
      52           0 :     return NS_OK;
      53             : } //-- evaluate
      54             : 
      55           0 : TX_IMPL_EXPR_STUBS_BASE(FilterExpr, NODESET_RESULT)
      56             : 
      57             : Expr*
      58           0 : FilterExpr::getSubExprAt(uint32_t aPos)
      59             : {
      60           0 :     if (aPos == 0) {
      61           0 :       return expr;
      62             :     }
      63           0 :     return PredicateList::getSubExprAt(aPos - 1);
      64             : }
      65             : 
      66             : void
      67           0 : FilterExpr::setSubExprAt(uint32_t aPos, Expr* aExpr)
      68             : {
      69           0 :     if (aPos == 0) {
      70           0 :       expr.forget();
      71           0 :       expr = aExpr;
      72             :     }
      73             :     else {
      74           0 :       PredicateList::setSubExprAt(aPos - 1, aExpr);
      75             :     }
      76           0 : }
      77             : 
      78             : bool
      79           0 : FilterExpr::isSensitiveTo(ContextSensitivity aContext)
      80             : {
      81           0 :     return expr->isSensitiveTo(aContext) ||
      82           0 :            PredicateList::isSensitiveTo(aContext);
      83             : }
      84             : 
      85             : #ifdef TX_TO_STRING
      86             : void
      87           0 : FilterExpr::toString(nsAString& str)
      88             : {
      89           0 :     if ( expr ) expr->toString(str);
      90           0 :     else str.AppendLiteral("null");
      91           0 :     PredicateList::toString(str);
      92           0 : }
      93             : #endif
      94             : 

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