The Tor Browser: dom/xslt/xpath/txSingleNodeContext.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     6 #ifndef __TX_XPATH_SINGLENODE_CONTEXT

     7 #define __TX_XPATH_SINGLENODE_CONTEXT

     9 #include "mozilla/Attributes.h"

    10 #include "txIXPathContext.h"

    12 class txSingleNodeContext : public txIEvalContext

    13 {

    14 public:

    15     txSingleNodeContext(const txXPathNode& aContextNode,

    16                         txIMatchContext* aContext)

    17         : mNode(aContextNode),

    18           mInner(aContext)

    19     {

    20         NS_ASSERTION(aContext, "txIMatchContext must be given");

    21     }

    23     nsresult getVariable(int32_t aNamespace, nsIAtom* aLName,

    24                          txAExprResult*& aResult) MOZ_OVERRIDE

    25     {

    26         NS_ASSERTION(mInner, "mInner is null!!!");

    27         return mInner->getVariable(aNamespace, aLName, aResult);

    28     }

    30     bool isStripSpaceAllowed(const txXPathNode& aNode) MOZ_OVERRIDE

    31     {

    32         NS_ASSERTION(mInner, "mInner is null!!!");

    33         return mInner->isStripSpaceAllowed(aNode);

    34     }

    36     void* getPrivateContext() MOZ_OVERRIDE

    37     {

    38         NS_ASSERTION(mInner, "mInner is null!!!");

    39         return mInner->getPrivateContext();

    40     }

    42     txResultRecycler* recycler() MOZ_OVERRIDE

    43     {

    44         NS_ASSERTION(mInner, "mInner is null!!!");

    45         return mInner->recycler();

    46     }

    48     void receiveError(const nsAString& aMsg, nsresult aRes) MOZ_OVERRIDE

    49     {

    50         NS_ASSERTION(mInner, "mInner is null!!!");

    51 #ifdef DEBUG

    52         nsAutoString error(NS_LITERAL_STRING("forwarded error: "));

    53         error.Append(aMsg);

    54         mInner->receiveError(error, aRes);

    55 #else

    56         mInner->receiveError(aMsg, aRes);

    57 #endif

    58     }

    60     const txXPathNode& getContextNode() MOZ_OVERRIDE

    61     {

    62         return mNode;

    63     }

    65     uint32_t size() MOZ_OVERRIDE

    66     {

    67         return 1;

    68     }

    70     uint32_t position() MOZ_OVERRIDE

    71     {

    72         return 1;

    73     }

    75 private:

    76     const txXPathNode& mNode;

    77     txIMatchContext* mInner;

    78 };

    80 #endif // __TX_XPATH_SINGLENODE_CONTEXT

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