data.hpp : Replaced shared_ptr usage to custom reference counter and removed print functions

data.hpp

@@ -1,5 +1,4 @@
 #pragma once
-#include <memory>
 #include <string_view>
 #include <cstring>
 #include <cstdio>
@@ -11,93 +10,101 @@
 namespace asp {
 	template<typename T>
 	struct Array {
-		std::shared_ptr<T[]> data;
+		T* data = nullptr;
 		size_t length = 0;
+		size_t* refcount = nullptr;
 
 		constexpr Array(void) noexcept = delete;
-		constexpr Array(const size_t& size) noexcept : data(std::shared_ptr<T[]>(new T[size])), length(size) {
+		constexpr Array(const size_t& size) noexcept : data(new T[size]), length(size), refcount(new size_t(1)) {
 #ifdef __DEBUG
 			printf("Creating array of size %lu\n", size);
 #endif
 		}
 
-		constexpr Array(const std::initializer_list<size_t>& other) noexcept : data(std::shared_ptr<T[]>(new T[other.size()])), length(other.size()) {
+		constexpr Array(const std::initializer_list<size_t>& init_list) noexcept : data(new T[init_list.size()]), length(init_list.size()), refcount(new size_t(1)) {
 #ifdef __DEBUG
-			printf("Copying array of size %lu\n", other.size());
+			printf("Copying initializer_list of size %lu\n", init_list.size());
 #endif
-			memcpy(data.get(), other.begin(), length * sizeof(T));
+			memcpy(data, init_list.begin(), length * sizeof(T));
 		}
 
 
-		constexpr Array(const Array<T>& other) noexcept : data(std::shared_ptr<T[]>(new T[other.length])), length(other.length) {
+		constexpr Array(const Array<T>& other) noexcept : Array<T>(other.length) {
 #ifdef __DEBUG
 			printf("Copying array of size %lu\n", other.length);
 #endif
-			memcpy(data.get(), other.data.get(), length * sizeof(T));
+			memcpy(data, other.data, length * sizeof(T));
 		}
 
 		constexpr Array(Array&& other) noexcept {
 #ifdef __DEBUG
 			printf("Moving array of size %lu\n", other.length);
 #endif
+			if (refcount != nullptr){
+				delete[] data;
+				delete refcount;
+			}
 			data = other.data;
 			length = other.length;
+			refcount = other.refcount;
 			other.data = nullptr;
 			other.length = 0;
+			other.refcount = nullptr;
 		}
 
-		constexpr T& operator[](const size_t& index) const {
+		inline ~Array() noexcept {
+			if (refcount == nullptr)
+				return;
+#ifdef __DEBUG
+			printf("Destructing array of size %lu and refcount %lu\n", length, *refcount);
+#endif
+
+			if (--(*refcount) == 0){
+#ifdef __DEBUG
+				printf("Freeing array of size %lu\n", length);
+#endif
+				delete[] data;
+				data = nullptr;
+				delete refcount;
+				refcount = nullptr;
+			}
+		}
+
+		constexpr Array& operator=(const Array& other) noexcept {
+			if (this != &other) {
+				if (--(*refcount) == 0) {
+					delete[] data;
+					delete refcount;
+				}
+				data = other.data;
+				length = other.length;
+				refcount = other.refcount;
+				++(*refcount);
+			}
+			return *this;
+		}
+
+		constexpr T& operator[](const size_t& index) {
 #ifdef __DEBUG
 			if (index > length) {
 				fprintf(stderr, "Index %ld out of range in Array of length %ld !\n", index, length);
 				throw std::out_of_range("Index out of range !");
 			}
 #endif
-			return data.get()[index];
+			return data[index];
+		}
+
+		constexpr const T& operator[](const size_t& index) const {
+#ifdef __DEBUG
+			if (index > length) {
+				fprintf(stderr, "Index %ld out of range in Array of length %ld !\n", index, length);
+				throw std::out_of_range("Index out of range !");
+			}
+#endif
+			return data[index];
 		}
 	};
 
-	template<typename T>
-	constexpr int32_t print(const Array<T>& a, const char* const format) noexcept {
-		int32_t num_written = 0;
-		num_written += printf("[");
-		char formatter[256] = { 0 };
-		sprintf(formatter, "%s,", format);
-		for (size_t i = 0; i < a.length; ++i)
-			num_written += printf(formatter, a[i]);
-		sprintf(formatter, "%s]\n", format);
-		num_written += printf(formatter, a[a.length - 1]);
-		return num_written;
-	}
-
-	constexpr int32_t print(const Array<uint16_t>& a) noexcept {
-		return print(a, "%b");
-	}
-
-	constexpr int32_t print(const Array<int32_t>& a) noexcept {
-		return print(a, "%i");
-	}
-
-	constexpr int32_t print(const Array<uint32_t>& a) noexcept {
-		return print(a, "%u");
-	}
-
-	constexpr int32_t print(const Array<uint64_t>& a) noexcept {
-		return print(a, "%lu");
-	}
-
-	constexpr int32_t print(const Array<int16_t>& a) noexcept {
-		return print(a, "%i");
-	}
-
-	constexpr int32_t print(const std::string_view& s) noexcept {
-		return printf("%s\n", s.data());
-	}
-
-	constexpr int32_t print(const char* const s) noexcept {
-		return printf("%s\n", s);
-	}
-
 	template<typename T>
 	constexpr T& max(const Array<T>& a) noexcept {
 		T& max_el = a[0];