diff options
Diffstat (limited to 'mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp')
-rw-r--r-- | mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp | 124 |
1 files changed, 62 insertions, 62 deletions
diff --git a/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp b/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp index 878a85f..408d5aa 100644 --- a/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp +++ b/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp @@ -1,84 +1,84 @@ -template<typename T> -ContiguousContainer<T>::ContiguousContainer() - : mSize(0), mCapacity(10) { - // Allocate memory for 10 objects initially - mData = static_cast<T*>(malloc(mCapacity * sizeof(T))); - if (!mData) { - throw std::bad_alloc(); - } +template <typename T> +ContiguousContainer<T>::ContiguousContainer() : mSize(0), mCapacity(10) { + // Allocate memory for 10 objects initially + mData = static_cast<T *>(malloc(mCapacity * sizeof(T))); + if (!mData) { + throw std::bad_alloc(); + } } -template<typename T> +template <typename T> ContiguousContainer<T>::~ContiguousContainer() { - // Destroy all constructed objects - for (size_t i = 0; i < mSize; ++i) { - mData[i].~T(); - } - // Free the allocated memory - free(mData); + // Destroy all constructed objects + for (size_t i = 0; i < mSize; ++i) { + mData[i].~T(); + } + // Free the allocated memory + free(mData); } -template<typename T> -template<typename... Args> -void ContiguousContainer<T>::pushBack(Args&&... args) { - if (mSize == mCapacity) { - // Double the capacity if the container is full - resize(mCapacity * 2); - } - // Use placement new with perfect forwarding to construct the object in place - new (mData + mSize) T(std::forward<Args>(args)...); - ++mSize; +template <typename T> +template <typename... Args> +void ContiguousContainer<T>::pushBack(Args &&... args) { + if (mSize == mCapacity) { + // Double the capacity if the container is full + resize(mCapacity * 2); + } + // Use placement new with perfect forwarding to construct the object in place + new (mData + mSize) T(std::forward<Args>(args)...); + ++mSize; } -template<typename T> +template <typename T> void ContiguousContainer<T>::popBack() { - if (mSize > 0) { - --mSize; - // Explicitly call the destructor - mData[mSize].~T(); - } + if (mSize > 0) { + --mSize; + // Explicitly call the destructor + mData[mSize].~T(); + } } -template<typename T> -T& ContiguousContainer<T>::operator[](size_t index) { - if (index >= mSize) { - throw std::out_of_range("Index out of range"); - } - return mData[index]; +template <typename T> +T & ContiguousContainer<T>::operator[](size_t index) { + if (index >= mSize) { + throw std::out_of_range("Index out of range"); + } + return mData[index]; } -template<typename T> +template <typename T> size_t ContiguousContainer<T>::getSize() const { - return mSize; + return mSize; } // Function that returns a vector of references to all stored objects -template<typename T> -std::vector<std::reference_wrapper<T>> ContiguousContainer<T>::getAllReferences() { - std::vector<std::reference_wrapper<T>> references; - references.reserve(mSize); // Reserve space to avoid reallocation - for (size_t i = 0; i < mSize; ++i) { - references.push_back(std::ref(mData[i])); - } - return references; +template <typename T> +std::vector<std::reference_wrapper<T>> +ContiguousContainer<T>::getAllReferences() { + std::vector<std::reference_wrapper<T>> references; + references.reserve(mSize); // Reserve space to avoid reallocation + for (size_t i = 0; i < mSize; ++i) { + references.push_back(std::ref(mData[i])); + } + return references; } -template<typename T> +template <typename T> void ContiguousContainer<T>::resize(size_t new_capacity) { - // Allocate new memory block with the updated capacity - T* new_data = static_cast<T*>(malloc(new_capacity * sizeof(T))); - if (!new_data) { - throw std::bad_alloc(); - } + // Allocate new memory block with the updated capacity + T * new_data = static_cast<T *>(malloc(new_capacity * sizeof(T))); + if (!new_data) { + throw std::bad_alloc(); + } - // Move or copy existing objects to the new memory block - for (size_t i = 0; i < mSize; ++i) { - new (new_data + i) T(std::move(mData[i])); // Move the objects - mData[i].~T(); // Call the destructor for the old object - } + // Move or copy existing objects to the new memory block + for (size_t i = 0; i < mSize; ++i) { + new (new_data + i) T(std::move(mData[i])); // Move the objects + mData[i].~T(); // Call the destructor for the old object + } - // Free the old memory block - free(mData); - mData = new_data; - mCapacity = new_capacity; + // Free the old memory block + free(mData); + mData = new_data; + mCapacity = new_capacity; } |