The Tor Browser / file comparison
comparison: dom/xslt/xpath/txResultRecycler.h
dom/xslt/xpath/txResultRecycler.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:0e6aba571eb1 |
|---|---|
| 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 txResultRecycler_h__ | |
| 7 #define txResultRecycler_h__ | |
| 8 | |
| 9 #include "nsCOMPtr.h" | |
| 10 #include "txStack.h" | |
| 11 | |
| 12 class txAExprResult; | |
| 13 class StringResult; | |
| 14 class txNodeSet; | |
| 15 class txXPathNode; | |
| 16 class NumberResult; | |
| 17 class BooleanResult; | |
| 18 | |
| 19 class txResultRecycler | |
| 20 { | |
| 21 public: | |
| 22 txResultRecycler(); | |
| 23 ~txResultRecycler(); | |
| 24 nsresult init(); | |
| 25 | |
| 26 void AddRef() | |
| 27 { | |
| 28 ++mRefCnt; | |
| 29 NS_LOG_ADDREF(this, mRefCnt, "txResultRecycler", sizeof(*this)); | |
| 30 } | |
| 31 void Release() | |
| 32 { | |
| 33 --mRefCnt; | |
| 34 NS_LOG_RELEASE(this, mRefCnt, "txResultRecycler"); | |
| 35 if (mRefCnt == 0) { | |
| 36 mRefCnt = 1; //stabilize | |
| 37 delete this; | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 /** | |
| 42 * Returns an txAExprResult to this recycler for reuse. | |
| 43 * @param aResult result to recycle | |
| 44 */ | |
| 45 void recycle(txAExprResult* aResult); | |
| 46 | |
| 47 /** | |
| 48 * Functions to return results that will be fully used by the caller. | |
| 49 * Returns nullptr on out-of-memory and an inited result otherwise. | |
| 50 */ | |
| 51 nsresult getStringResult(StringResult** aResult); | |
| 52 nsresult getStringResult(const nsAString& aValue, txAExprResult** aResult); | |
| 53 nsresult getNodeSet(txNodeSet** aResult); | |
| 54 nsresult getNodeSet(txNodeSet* aNodeSet, txNodeSet** aResult); | |
| 55 nsresult getNodeSet(const txXPathNode& aNode, txAExprResult** aResult); | |
| 56 nsresult getNumberResult(double aValue, txAExprResult** aResult); | |
| 57 | |
| 58 /** | |
| 59 * Functions to return a txAExprResult that is shared across several | |
| 60 * clients and must not be modified. Never returns nullptr. | |
| 61 */ | |
| 62 void getEmptyStringResult(txAExprResult** aResult); | |
| 63 void getBoolResult(bool aValue, txAExprResult** aResult); | |
| 64 | |
| 65 /** | |
| 66 * Functions that return non-shared resultsobjects | |
| 67 */ | |
| 68 nsresult getNonSharedNodeSet(txNodeSet* aNodeSet, txNodeSet** aResult); | |
| 69 | |
| 70 private: | |
| 71 nsAutoRefCnt mRefCnt; | |
| 72 txStack mStringResults; | |
| 73 txStack mNodeSetResults; | |
| 74 txStack mNumberResults; | |
| 75 StringResult* mEmptyStringResult; | |
| 76 BooleanResult* mTrueResult; | |
| 77 BooleanResult* mFalseResult; | |
| 78 }; | |
| 79 | |
| 80 #endif //txResultRecycler_h__ |
