The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/xslt/xpath/nsXPathExpression.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,76 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef nsXPathExpression_h__
    1.10 +#define nsXPathExpression_h__
    1.11 +
    1.12 +#include "nsIDOMXPathExpression.h"
    1.13 +#include "nsIDOMNSXPathExpression.h"
    1.14 +#include "txIXPathContext.h"
    1.15 +#include "txResultRecycler.h"
    1.16 +#include "nsAutoPtr.h"
    1.17 +#include "nsCycleCollectionParticipant.h"
    1.18 +#include "mozilla/Attributes.h"
    1.19 +
    1.20 +class Expr;
    1.21 +class txXPathNode;
    1.22 +
    1.23 +/**
    1.24 + * A class for evaluating an XPath expression string
    1.25 + */
    1.26 +class nsXPathExpression MOZ_FINAL : public nsIDOMXPathExpression,
    1.27 +                                    public nsIDOMNSXPathExpression
    1.28 +{
    1.29 +public:
    1.30 +    nsXPathExpression(nsAutoPtr<Expr>& aExpression, txResultRecycler* aRecycler,
    1.31 +                      nsIDOMDocument *aDocument);
    1.32 +
    1.33 +    // nsISupports interface
    1.34 +    NS_DECL_CYCLE_COLLECTING_ISUPPORTS
    1.35 +    NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXPathExpression,
    1.36 +                                             nsIDOMXPathExpression)
    1.37 +
    1.38 +    // nsIDOMXPathExpression interface
    1.39 +    NS_DECL_NSIDOMXPATHEXPRESSION
    1.40 +
    1.41 +    // nsIDOMNSXPathExpression interface
    1.42 +    NS_DECL_NSIDOMNSXPATHEXPRESSION
    1.43 +
    1.44 +private:
    1.45 +    nsAutoPtr<Expr> mExpression;
    1.46 +    nsRefPtr<txResultRecycler> mRecycler;
    1.47 +    nsCOMPtr<nsIDOMDocument> mDocument;
    1.48 +
    1.49 +    class EvalContextImpl : public txIEvalContext
    1.50 +    {
    1.51 +    public:
    1.52 +        EvalContextImpl(const txXPathNode& aContextNode,
    1.53 +                        uint32_t aContextPosition, uint32_t aContextSize,
    1.54 +                        txResultRecycler* aRecycler)
    1.55 +            : mContextNode(aContextNode),
    1.56 +              mContextPosition(aContextPosition),
    1.57 +              mContextSize(aContextSize),
    1.58 +              mLastError(NS_OK),
    1.59 +              mRecycler(aRecycler)
    1.60 +        {
    1.61 +        }
    1.62 +
    1.63 +        nsresult getError()
    1.64 +        {
    1.65 +            return mLastError;
    1.66 +        }
    1.67 +
    1.68 +        TX_DECL_EVAL_CONTEXT;
    1.69 +
    1.70 +    private:
    1.71 +        const txXPathNode& mContextNode;
    1.72 +        uint32_t mContextPosition;
    1.73 +        uint32_t mContextSize;
    1.74 +        nsresult mLastError;
    1.75 +        nsRefPtr<txResultRecycler> mRecycler;
    1.76 +    };
    1.77 +};
    1.78 +
    1.79 +#endif