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comparison: dom/xslt/xpath/nsXPathExpression.h
dom/xslt/xpath/nsXPathExpression.h
- changeset 0
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| 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 nsXPathExpression_h__ | |
| 7 #define nsXPathExpression_h__ | |
| 8 | |
| 9 #include "nsIDOMXPathExpression.h" | |
| 10 #include "nsIDOMNSXPathExpression.h" | |
| 11 #include "txIXPathContext.h" | |
| 12 #include "txResultRecycler.h" | |
| 13 #include "nsAutoPtr.h" | |
| 14 #include "nsCycleCollectionParticipant.h" | |
| 15 #include "mozilla/Attributes.h" | |
| 16 | |
| 17 class Expr; | |
| 18 class txXPathNode; | |
| 19 | |
| 20 /** | |
| 21 * A class for evaluating an XPath expression string | |
| 22 */ | |
| 23 class nsXPathExpression MOZ_FINAL : public nsIDOMXPathExpression, | |
| 24 public nsIDOMNSXPathExpression | |
| 25 { | |
| 26 public: | |
| 27 nsXPathExpression(nsAutoPtr<Expr>& aExpression, txResultRecycler* aRecycler, | |
| 28 nsIDOMDocument *aDocument); | |
| 29 | |
| 30 // nsISupports interface | |
| 31 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 32 NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXPathExpression, | |
| 33 nsIDOMXPathExpression) | |
| 34 | |
| 35 // nsIDOMXPathExpression interface | |
| 36 NS_DECL_NSIDOMXPATHEXPRESSION | |
| 37 | |
| 38 // nsIDOMNSXPathExpression interface | |
| 39 NS_DECL_NSIDOMNSXPATHEXPRESSION | |
| 40 | |
| 41 private: | |
| 42 nsAutoPtr<Expr> mExpression; | |
| 43 nsRefPtr<txResultRecycler> mRecycler; | |
| 44 nsCOMPtr<nsIDOMDocument> mDocument; | |
| 45 | |
| 46 class EvalContextImpl : public txIEvalContext | |
| 47 { | |
| 48 public: | |
| 49 EvalContextImpl(const txXPathNode& aContextNode, | |
| 50 uint32_t aContextPosition, uint32_t aContextSize, | |
| 51 txResultRecycler* aRecycler) | |
| 52 : mContextNode(aContextNode), | |
| 53 mContextPosition(aContextPosition), | |
| 54 mContextSize(aContextSize), | |
| 55 mLastError(NS_OK), | |
| 56 mRecycler(aRecycler) | |
| 57 { | |
| 58 } | |
| 59 | |
| 60 nsresult getError() | |
| 61 { | |
| 62 return mLastError; | |
| 63 } | |
| 64 | |
| 65 TX_DECL_EVAL_CONTEXT; | |
| 66 | |
| 67 private: | |
| 68 const txXPathNode& mContextNode; | |
| 69 uint32_t mContextPosition; | |
| 70 uint32_t mContextSize; | |
| 71 nsresult mLastError; | |
| 72 nsRefPtr<txResultRecycler> mRecycler; | |
| 73 }; | |
| 74 }; | |
| 75 | |
| 76 #endif |
