LCOV - code coverage report
Current view: directory - content/xslt/src/xpath - txFilterExpr.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 36 0 0.0 %
Date: 2012-06-02 Functions: 6 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is TransforMiiX XSLT processor code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * The MITRE Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1999
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Keith Visco <kvisco@ziplink.net> (Original Author)
      24                 :  *   Bob Miller <kbob@oblix.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #include "txExpr.h"
      41                 : #include "txNodeSet.h"
      42                 : #include "txIXPathContext.h"
      43                 : 
      44                 : //-- Implementation of FilterExpr --/
      45                 : 
      46                 :   //-----------------------------/
      47                 :  //- Virtual methods from Expr -/
      48                 : //-----------------------------/
      49                 : 
      50                 : /**
      51                 :  * Evaluates this Expr based on the given context node and processor state
      52                 :  * @param context the context node for evaluation of this Expr
      53                 :  * @param ps the ProcessorState containing the stack information needed
      54                 :  * for evaluation
      55                 :  * @return the result of the evaluation
      56                 :  * @see Expr
      57                 : **/
      58                 : nsresult
      59               0 : FilterExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
      60                 : {
      61               0 :     *aResult = nsnull;
      62                 : 
      63               0 :     nsRefPtr<txAExprResult> exprRes;
      64               0 :     nsresult rv = expr->evaluate(aContext, getter_AddRefs(exprRes));
      65               0 :     NS_ENSURE_SUCCESS(rv, rv);
      66                 : 
      67               0 :     NS_ENSURE_TRUE(exprRes->getResultType() == txAExprResult::NODESET,
      68                 :                    NS_ERROR_XSLT_NODESET_EXPECTED);
      69                 : 
      70                 :     nsRefPtr<txNodeSet> nodes =
      71               0 :         static_cast<txNodeSet*>(static_cast<txAExprResult*>(exprRes));
      72                 :     // null out exprRes so that we can test for shared-ness
      73               0 :     exprRes = nsnull;
      74                 : 
      75               0 :     nsRefPtr<txNodeSet> nonShared;
      76               0 :     rv = aContext->recycler()->getNonSharedNodeSet(nodes,
      77               0 :                                                    getter_AddRefs(nonShared));
      78               0 :     NS_ENSURE_SUCCESS(rv, rv);
      79                 : 
      80               0 :     rv = evaluatePredicates(nonShared, aContext);
      81               0 :     NS_ENSURE_SUCCESS(rv, rv);
      82                 : 
      83               0 :     *aResult = nonShared;
      84               0 :     NS_ADDREF(*aResult);
      85                 : 
      86               0 :     return NS_OK;
      87                 : } //-- evaluate
      88                 : 
      89               0 : TX_IMPL_EXPR_STUBS_BASE(FilterExpr, NODESET_RESULT)
      90                 : 
      91                 : Expr*
      92               0 : FilterExpr::getSubExprAt(PRUint32 aPos)
      93                 : {
      94               0 :     if (aPos == 0) {
      95               0 :       return expr;
      96                 :     }
      97               0 :     return PredicateList::getSubExprAt(aPos - 1);
      98                 : }
      99                 : 
     100                 : void
     101               0 : FilterExpr::setSubExprAt(PRUint32 aPos, Expr* aExpr)
     102                 : {
     103               0 :     if (aPos == 0) {
     104               0 :       expr.forget();
     105               0 :       expr = aExpr;
     106                 :     }
     107                 :     else {
     108               0 :       PredicateList::setSubExprAt(aPos - 1, aExpr);
     109                 :     }
     110               0 : }
     111                 : 
     112                 : bool
     113               0 : FilterExpr::isSensitiveTo(ContextSensitivity aContext)
     114                 : {
     115               0 :     return expr->isSensitiveTo(aContext) ||
     116               0 :            PredicateList::isSensitiveTo(aContext);
     117                 : }
     118                 : 
     119                 : #ifdef TX_TO_STRING
     120                 : void
     121               0 : FilterExpr::toString(nsAString& str)
     122                 : {
     123               0 :     if ( expr ) expr->toString(str);
     124               0 :     else str.AppendLiteral("null");
     125               0 :     PredicateList::toString(str);
     126               0 : }
     127                 : #endif
     128                 : 

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