/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozStorageBindingParamsArray_h #define mozStorageBindingParamsArray_h #include "nsAutoPtr.h" #include "nsTArray.h" #include "mozilla/Attributes.h" #include "mozIStorageBindingParamsArray.h" namespace mozilla { namespace storage { class StorageBaseStatementInternal; class BindingParamsArray final : public mozIStorageBindingParamsArray { typedef nsTArray< nsCOMPtr<mozIStorageBindingParams> > array_type; ~BindingParamsArray() {} public: NS_DECL_THREADSAFE_ISUPPORTS NS_DECL_MOZISTORAGEBINDINGPARAMSARRAY explicit BindingParamsArray(StorageBaseStatementInternal *aOwningStatement); typedef array_type::size_type size_type; /** * Locks the array and prevents further modification to it (such as adding * more elements to it). */ void lock(); /** * @return the pointer to the owning BindingParamsArray. */ const StorageBaseStatementInternal *getOwner() const; /** * @return the number of elemets the array contains. */ size_type length() const { return mArray.Length(); } class iterator { public: iterator(BindingParamsArray *aArray, uint32_t aIndex) : mArray(aArray) , mIndex(aIndex) { } iterator &operator++(int) { mIndex++; return *this; } bool operator==(const iterator &aOther) const { return mIndex == aOther.mIndex; } bool operator!=(const iterator &aOther) const { return !(*this == aOther); } mozIStorageBindingParams *operator*() { NS_ASSERTION(mIndex < mArray->length(), "Dereferenceing an invalid value!"); return mArray->mArray[mIndex].get(); } private: void operator--() { } BindingParamsArray *mArray; uint32_t mIndex; }; /** * Obtains an iterator pointing to the beginning of the array. */ inline iterator begin() { NS_ASSERTION(length() != 0, "Obtaining an iterator to the beginning with no elements!"); return iterator(this, 0); } /** * Obtains an iterator pointing to the end of the array. */ inline iterator end() { NS_ASSERTION(mLocked, "Obtaining an iterator to the end when we are not locked!"); return iterator(this, length()); } private: nsCOMPtr<StorageBaseStatementInternal> mOwningStatement; array_type mArray; bool mLocked; friend class iterator; }; } // namespace storage } // namespace mozilla #endif // mozStorageBindingParamsArray_h