dom/xslt/xpath/txXPathObjectAdaptor.h

   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 #ifndef txXPathObjectAdaptor_h__
   7 #define txXPathObjectAdaptor_h__
   8
   9 #include "txExprResult.h"
  10 #include "txINodeSet.h"
  11 #include "txIXPathObject.h"
  12
  13 /**
  14  * Implements an XPCOM wrapper around XPath data types boolean, number, string,
  15  * or nodeset.
  16  */
  17
  18 class txXPathObjectAdaptor : public txIXPathObject
  19 {
  20 public:
  21     explicit txXPathObjectAdaptor(txAExprResult* aValue) : mValue(aValue)
  22     {
  23         NS_ASSERTION(aValue,
  24                      "Don't create a txXPathObjectAdaptor if you don't have a "
  25                      "txAExprResult");
  26     }
  27
  28     NS_DECL_ISUPPORTS
  29
  30     NS_IMETHODIMP_(txAExprResult*) GetResult()
  31     {
  32         return mValue;
  33     }
  34
  35 protected:
  36     txXPathObjectAdaptor() : mValue(nullptr)
  37     {
  38     }
  39
  40     virtual ~txXPathObjectAdaptor() {}
  41
  42     nsRefPtr<txAExprResult> mValue;
  43 };
  44
  45 #endif // txXPathObjectAdaptor_h__