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| |
| #ifndef QQMLJSFIXEDPOOLARRAY_P_H |
| #define QQMLJSFIXEDPOOLARRAY_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/qglobal.h> |
| #include <private/qqmljsmemorypool_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QQmlJS { |
| |
| template <typename T> |
| class FixedPoolArray |
| { |
| T *data; |
| int count = 0; |
| |
| public: |
| FixedPoolArray() |
| : data(nullptr) |
| {} |
| |
| FixedPoolArray(MemoryPool *pool, int size) |
| { allocate(pool, size); } |
| |
| void allocate(MemoryPool *pool, int size) |
| { |
| count = size; |
| data = reinterpret_cast<T*>(pool->allocate(count * sizeof(T))); |
| } |
| |
| void allocate(MemoryPool *pool, const QVector<T> &vector) |
| { |
| count = vector.count(); |
| data = reinterpret_cast<T*>(pool->allocate(count * sizeof(T))); |
| |
| if (QTypeInfo<T>::isComplex) { |
| for (int i = 0; i < count; ++i) |
| new (data + i) T(vector.at(i)); |
| } else { |
| memcpy(data, static_cast<const void*>(vector.constData()), count * sizeof(T)); |
| } |
| } |
| |
| template <typename Container> |
| void allocate(MemoryPool *pool, const Container &container) |
| { |
| count = container.count(); |
| data = reinterpret_cast<T*>(pool->allocate(count * sizeof(T))); |
| typename Container::ConstIterator it = container.constBegin(); |
| for (int i = 0; i < count; ++i) |
| new (data + i) T(*it++); |
| } |
| |
| int size() const |
| { return count; } |
| |
| const T &at(int index) const { |
| Q_ASSERT(index >= 0 && index < count); |
| return data[index]; |
| } |
| |
| T &at(int index) { |
| Q_ASSERT(index >= 0 && index < count); |
| return data[index]; |
| } |
| |
| T &operator[](int index) { |
| return at(index); |
| } |
| |
| |
| int indexOf(const T &value) const { |
| for (int i = 0; i < count; ++i) |
| if (data[i] == value) |
| return i; |
| return -1; |
| } |
| |
| const T *begin() const { return data; } |
| const T *end() const { return data + count; } |
| |
| T *begin() { return data; } |
| T *end() { return data + count; } |
| }; |
| |
| } // namespace QQmlJS |
| |
| QT_END_NAMESPACE |
| |
| #endif // QQMLJSFIXEDPOOLARRAY_P_H |