The Tor Browser / file comparison
comparison: storage/src/mozStorageBindingParamsArray.h
storage/src/mozStorageBindingParamsArray.h
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- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:46782a004fe0 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozStorageBindingParamsArray_h | |
| 8 #define mozStorageBindingParamsArray_h | |
| 9 | |
| 10 #include "nsAutoPtr.h" | |
| 11 #include "nsTArray.h" | |
| 12 #include "mozilla/Attributes.h" | |
| 13 | |
| 14 #include "mozIStorageBindingParamsArray.h" | |
| 15 | |
| 16 namespace mozilla { | |
| 17 namespace storage { | |
| 18 | |
| 19 class StorageBaseStatementInternal; | |
| 20 | |
| 21 class BindingParamsArray MOZ_FINAL : public mozIStorageBindingParamsArray | |
| 22 { | |
| 23 typedef nsTArray< nsCOMPtr<mozIStorageBindingParams> > array_type; | |
| 24 | |
| 25 public: | |
| 26 NS_DECL_THREADSAFE_ISUPPORTS | |
| 27 NS_DECL_MOZISTORAGEBINDINGPARAMSARRAY | |
| 28 | |
| 29 BindingParamsArray(StorageBaseStatementInternal *aOwningStatement); | |
| 30 | |
| 31 typedef array_type::size_type size_type; | |
| 32 | |
| 33 /** | |
| 34 * Locks the array and prevents further modification to it (such as adding | |
| 35 * more elements to it). | |
| 36 */ | |
| 37 void lock(); | |
| 38 | |
| 39 /** | |
| 40 * @return the pointer to the owning BindingParamsArray. | |
| 41 */ | |
| 42 const StorageBaseStatementInternal *getOwner() const; | |
| 43 | |
| 44 /** | |
| 45 * @return the number of elemets the array contains. | |
| 46 */ | |
| 47 const size_type length() const { return mArray.Length(); } | |
| 48 | |
| 49 class iterator { | |
| 50 public: | |
| 51 iterator(BindingParamsArray *aArray, | |
| 52 uint32_t aIndex) | |
| 53 : mArray(aArray) | |
| 54 , mIndex(aIndex) | |
| 55 { | |
| 56 } | |
| 57 | |
| 58 iterator &operator++(int) | |
| 59 { | |
| 60 mIndex++; | |
| 61 return *this; | |
| 62 } | |
| 63 | |
| 64 bool operator==(const iterator &aOther) const | |
| 65 { | |
| 66 return mIndex == aOther.mIndex; | |
| 67 } | |
| 68 bool operator!=(const iterator &aOther) const | |
| 69 { | |
| 70 return !(*this == aOther); | |
| 71 } | |
| 72 mozIStorageBindingParams *operator*() | |
| 73 { | |
| 74 NS_ASSERTION(mIndex < mArray->length(), | |
| 75 "Dereferenceing an invalid value!"); | |
| 76 return mArray->mArray[mIndex].get(); | |
| 77 } | |
| 78 private: | |
| 79 void operator--() { } | |
| 80 BindingParamsArray *mArray; | |
| 81 uint32_t mIndex; | |
| 82 }; | |
| 83 | |
| 84 /** | |
| 85 * Obtains an iterator pointing to the beginning of the array. | |
| 86 */ | |
| 87 inline iterator begin() | |
| 88 { | |
| 89 NS_ASSERTION(length() != 0, | |
| 90 "Obtaining an iterator to the beginning with no elements!"); | |
| 91 return iterator(this, 0); | |
| 92 } | |
| 93 | |
| 94 /** | |
| 95 * Obtains an iterator pointing to the end of the array. | |
| 96 */ | |
| 97 inline iterator end() | |
| 98 { | |
| 99 NS_ASSERTION(mLocked, | |
| 100 "Obtaining an iterator to the end when we are not locked!"); | |
| 101 return iterator(this, length()); | |
| 102 } | |
| 103 private: | |
| 104 nsCOMPtr<StorageBaseStatementInternal> mOwningStatement; | |
| 105 array_type mArray; | |
| 106 bool mLocked; | |
| 107 | |
| 108 friend class iterator; | |
| 109 }; | |
| 110 | |
| 111 } // namespace storage | |
| 112 } // namespace mozilla | |
| 113 | |
| 114 #endif // mozStorageBindingParamsArray_h |
