core: Added basic array class to avoid exceptions

1 files changed, 93 insertions, 0 deletions

diff --git a/c++/core/array.h b/c++/core/array.h
new file mode 100644
index 0000000..362130e
--- /dev/null
+++ b/c++/core/array.h
@@ -0,0 +1,93 @@
+#pragma once
+
+#include <vector>
+
+namespace saw {
+template<typename T>
+class array {
+private:
+		std::vector<T> data_;
+public:
+		array() = default;
+
+		SAW_FORBID_COPY(array);
+
+		T& at(size_t i) noexcept {
+				return data_.at(i);
+		}
+
+		const T& at(size_t i) noexcept const {
+				return data_.at(i);
+		}
+
+		size_t size() noexcept const {
+				return data_.size();
+		}
+		
+		T& front() noexcept {
+				return data_.front();
+		}
+
+		const T& front() noexcept const {
+				return data_.front();
+		}
+
+		T& back() noexcept {
+				return data_.back();
+		}
+
+		const T& back() noexcept const {
+				return data_.back();
+		}
+
+		error_or<void> push(T val) noexcept {
+				try{
+						data_.push_back(std::move(val));
+				}catch(std::exception& e){
+						return make_error<err::out_of_memory>();
+				}
+
+				return void_t{};
+		}
+
+		error_or<void> pop() noexcept {
+				try{
+						data_.pop_back();
+				}catch(std::exception& e){
+						return make_error<err::out_of_memory>();
+				}
+
+				return void_t{};
+		}
+
+		error_or<void> resize(size_t i) noexcept {
+				try{
+						data_.resize(i);
+				}catch(std::exception& e){
+						return make_error<err::out_of_memory>();
+				}
+
+				return void_t{};
+		}
+
+		error_or<void> reserve(size_t i) noexcept {
+				try{
+						data_.reserve(i);
+				}catch(std::exception& e){
+						return make_error<err::out_of_memory>();
+				}
+
+				return void_t{};
+		}
+
+		error_or<void> shrink_to_fit() noexcept {
+				try{
+						data_.shrink_to_fit();
+				}catch(std::exception& e){
+						return make_error<err::out_of_memory>();
+				}
+
+				return void_t{};
+		}
+};
+}