179 private: |
169 private: |
180 Q_DISABLE_COPY(QScopedPointer) |
170 Q_DISABLE_COPY(QScopedPointer) |
181 }; |
171 }; |
182 |
172 |
183 template <class T, class Cleanup> |
173 template <class T, class Cleanup> |
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174 inline bool operator==(const QScopedPointer<T, Cleanup> &lhs, const QScopedPointer<T, Cleanup> &rhs) |
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175 { |
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176 return lhs.data() == rhs.data(); |
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177 } |
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178 |
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179 template <class T, class Cleanup> |
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180 inline bool operator!=(const QScopedPointer<T, Cleanup> &lhs, const QScopedPointer<T, Cleanup> &rhs) |
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181 { |
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182 return lhs.data() != rhs.data(); |
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183 } |
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184 |
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185 template <class T, class Cleanup> |
184 Q_INLINE_TEMPLATE void qSwap(QScopedPointer<T, Cleanup> &p1, QScopedPointer<T, Cleanup> &p2) |
186 Q_INLINE_TEMPLATE void qSwap(QScopedPointer<T, Cleanup> &p1, QScopedPointer<T, Cleanup> &p2) |
185 { p1.swap(p2); } |
187 { p1.swap(p2); } |
186 |
188 |
187 template <typename T, typename Cleanup = QScopedPointerArrayDeleter<T> > |
189 template <typename T, typename Cleanup = QScopedPointerArrayDeleter<T> > |
188 class QScopedArrayPointer : public QScopedPointer<T, Cleanup> |
190 class QScopedArrayPointer : public QScopedPointer<T, Cleanup> |
201 inline const T &operator[](int i) const |
203 inline const T &operator[](int i) const |
202 { |
204 { |
203 return this->d[i]; |
205 return this->d[i]; |
204 } |
206 } |
205 |
207 |
206 inline bool operator==(const QScopedArrayPointer<T, Cleanup> &other) const |
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207 { |
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208 return this->d == other.d; |
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209 } |
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210 |
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211 inline bool operator!=(const QScopedArrayPointer<T, Cleanup> &other) const |
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212 { |
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213 return this->d != other.d; |
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214 } |
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215 |
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216 private: |
208 private: |
217 Q_DISABLE_COPY(QScopedArrayPointer) |
209 Q_DISABLE_COPY(QScopedArrayPointer) |
218 }; |
210 }; |
219 |
211 |
220 /* Internal helper class - exposes the data through data_ptr (legacy from QShared). |
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221 Required for some internal Qt classes, do not use otherwise. */ |
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222 template <typename T, typename Cleanup = QScopedPointerDeleter<T> > |
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223 class QCustomScopedPointer : public QScopedPointer<T, Cleanup> |
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224 { |
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225 public: |
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226 explicit inline QCustomScopedPointer(T *p = 0) |
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227 : QScopedPointer<T, Cleanup>(p) |
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228 { |
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229 } |
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230 |
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231 inline T *&data_ptr() |
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232 { |
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233 return this->d; |
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234 } |
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235 |
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236 inline bool operator==(const QCustomScopedPointer<T, Cleanup> &other) const |
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237 { |
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238 return this->d == other.d; |
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239 } |
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240 |
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241 inline bool operator!=(const QCustomScopedPointer<T, Cleanup> &other) const |
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242 { |
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243 return this->d != other.d; |
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244 } |
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245 |
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246 private: |
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247 Q_DISABLE_COPY(QCustomScopedPointer) |
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248 }; |
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249 |
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250 /* Internal helper class - a handler for QShared* classes, to be used in QCustomScopedPointer */ |
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251 template <typename T> |
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252 class QScopedPointerSharedDeleter |
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253 { |
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254 public: |
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255 static inline void cleanup(T *d) |
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256 { |
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257 if (d && !d->ref.deref()) |
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258 delete d; |
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259 } |
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260 }; |
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261 |
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262 /* Internal. |
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263 This class is basically a scoped pointer pointing to a ref-counted object |
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264 */ |
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265 template <typename T> |
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266 class QScopedSharedPointer : public QCustomScopedPointer<T, QScopedPointerSharedDeleter<T> > |
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267 { |
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268 public: |
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269 explicit inline QScopedSharedPointer(T *p = 0) |
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270 : QCustomScopedPointer<T, QScopedPointerSharedDeleter<T> >(p) |
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271 { |
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272 } |
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273 |
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274 inline void detach() |
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275 { |
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276 qAtomicDetach(this->d); |
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277 } |
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278 |
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279 inline void assign(T *other) |
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280 { |
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281 if (this->d == other) |
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282 return; |
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283 if (other) |
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284 other->ref.ref(); |
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285 T *oldD = this->d; |
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286 this->d = other; |
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287 QScopedPointerSharedDeleter<T>::cleanup(oldD); |
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288 } |
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289 |
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290 inline bool operator==(const QScopedSharedPointer<T> &other) const |
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291 { |
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292 return this->d == other.d; |
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293 } |
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294 |
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295 inline bool operator!=(const QScopedSharedPointer<T> &other) const |
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296 { |
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297 return this->d != other.d; |
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298 } |
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299 |
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300 private: |
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301 Q_DISABLE_COPY(QScopedSharedPointer) |
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302 }; |
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303 |
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304 QT_END_NAMESPACE |
212 QT_END_NAMESPACE |
305 QT_END_HEADER |
213 QT_END_HEADER |
306 |
214 |
307 #endif // QSCOPEDPOINTER_H |
215 #endif // QSCOPEDPOINTER_H |