103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
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#pragma once
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namespace nall {
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template<typename T>
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struct unique_pointer {
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using type = T;
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T* pointer = nullptr;
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function<auto (T*) -> void> deleter;
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unique_pointer(const unique_pointer&) = delete;
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auto operator=(const unique_pointer&) -> unique_pointer& = delete;
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unique_pointer(T* pointer = nullptr, const function<void (T*)>& deleter = {}) : pointer(pointer), deleter(deleter) {}
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~unique_pointer() { reset(); }
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auto operator=(T* source) -> unique_pointer& {
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reset();
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pointer = source;
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return *this;
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}
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explicit operator bool() const { return pointer; }
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auto operator->() -> T* { return pointer; }
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auto operator->() const -> const T* { return pointer; }
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auto operator*() -> T& { return *pointer; }
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auto operator*() const -> const T& { return *pointer; }
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auto operator()() -> T& { return *pointer; }
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auto operator()() const -> const T& { return *pointer; }
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auto data() -> T* { return pointer; }
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auto data() const -> const T* { return pointer; }
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auto release() -> T* {
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auto result = pointer;
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pointer = nullptr;
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return result;
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}
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auto reset() -> void {
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if(pointer) {
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if(deleter) {
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deleter(pointer);
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} else {
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delete pointer;
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}
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pointer = nullptr;
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}
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}
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};
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template<typename T>
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struct unique_pointer<T[]> {
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using type = T;
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T* pointer = nullptr;
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function<auto (T*) -> void> deleter;
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unique_pointer(const unique_pointer&) = delete;
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auto operator=(const unique_pointer&) -> unique_pointer& = delete;
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unique_pointer(T* pointer = nullptr, const function<void (T*)>& deleter = {}) : pointer(pointer), deleter(deleter) {}
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~unique_pointer() { reset(); }
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auto operator=(T* source) -> unique_pointer& {
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reset();
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pointer = source;
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return *this;
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}
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explicit operator bool() const { return pointer; }
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auto operator()() -> T* { return pointer; }
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auto operator()() const -> T* { return pointer; }
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alwaysinline auto operator[](uint offset) -> T& { return pointer[offset]; }
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alwaysinline auto operator[](uint offset) const -> const T& { return pointer[offset]; }
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auto data() -> T* { return pointer; }
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auto data() const -> const T* { return pointer; }
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auto release() -> T* {
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auto result = pointer;
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pointer = nullptr;
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return result;
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}
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auto reset() -> void {
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if(pointer) {
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if(deleter) {
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deleter(pointer);
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} else {
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delete[] pointer;
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}
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pointer = nullptr;
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}
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}
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};
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}
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