The Tor Browser: dom/xslt/xpath/txNodeSetContext.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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_SET_CONTEXT

     7 #define __TX_XPATH_SET_CONTEXT

     9 #include "txIXPathContext.h"

    10 #include "txNodeSet.h"

    11 #include "nsAutoPtr.h"

    13 class txNodeSetContext : public txIEvalContext

    14 {

    15 public:

    16     txNodeSetContext(txNodeSet* aContextNodeSet, txIMatchContext* aContext)

    17         : mContextSet(aContextNodeSet), mPosition(0), mInner(aContext)

    18     {

    19     }

    21     // Iteration over the given NodeSet

    22     bool hasNext()

    23     {

    24         return mPosition < size();

    25     }

    26     void next()

    27     {

    28         NS_ASSERTION(mPosition < size(), "Out of bounds.");

    29         mPosition++;

    30     }

    31     void setPosition(uint32_t aPosition)

    32     {

    33         NS_ASSERTION(aPosition > 0 &&

    34                      aPosition <= size(), "Out of bounds.");

    35         mPosition = aPosition;

    36     }

    38     TX_DECL_EVAL_CONTEXT;

    40 protected:

    41     nsRefPtr<txNodeSet> mContextSet;

    42     uint32_t mPosition;

    43     txIMatchContext* mInner;

    44 };

    46 #endif // __TX_XPATH_SET_CONTEXT

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