From 2d8e52e59af27fc68f4ff5b63d1b53e8d6d4c043 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Thu, 2 Jun 2022 20:11:29 +0200
Subject: refactor: remove conversion & ctre dependency

---
 lib/CMakeLists.txt      |  8 --------
 lib/ctre/CMakeLists.txt |  4 ----
 src/CMakeLists.txt      |  2 --
 src/conversion.cpp      | 33 ---------------------------------
 src/conversion.hpp      | 34 ----------------------------------
 5 files changed, 81 deletions(-)
 delete mode 100644 lib/ctre/CMakeLists.txt
 delete mode 100644 src/conversion.cpp
 delete mode 100644 src/conversion.hpp

diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index df9b253..84c5a77 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -1,13 +1,5 @@
 include(FetchContent)
 
-FetchContent_Declare(
-  ctre
-  GIT_REPOSITORY "https://github.com/hanickadot/compile-time-regular-expressions"
-  GIT_TAG v3.5
-)
-
-add_subdirectory(ctre)
-
 FetchContent_Declare(
   fmt
   GIT_REPOSITORY "https://github.com/fmtlib/fmt"
diff --git a/lib/ctre/CMakeLists.txt b/lib/ctre/CMakeLists.txt
deleted file mode 100644
index 1f05163..0000000
--- a/lib/ctre/CMakeLists.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-message(STATUS "Fetching ctre...")
-
-FetchContent_MakeAvailable(ctre)
-
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 76a6d5a..7c7c58f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,7 +11,6 @@ endfunction(target_link_libraries_system)
 file(GLOB SOURCES
 	game_of_life.cpp
 	bootstrap.cpp
-	conversion.cpp
 	util/color.cpp
 	game/game.cpp
 	game/status_manager.cpp
@@ -62,7 +61,6 @@ target_include_directories(${PROJECT_NAME} PRIVATE .)
 
 target_link_libraries_system(
 	${PROJECT_NAME}
-	ctre
 	fmt::fmt-header-only
 	GSL
 	yacppdic
diff --git a/src/conversion.cpp b/src/conversion.cpp
deleted file mode 100644
index 078d66b..0000000
--- a/src/conversion.cpp
+++ /dev/null
@@ -1,33 +0,0 @@
-#include "conversion.hpp"
-
-#include <climits>
-#include <stdexcept>
-
-auto str_to_uint(const std::string_view &str) noexcept -> ConversionResult<uint32_t>
-{
-	if (!ctre::match<IS_VALID_UINT>(str))
-	{
-		return ConversionResult(false, 0U, "Not a number");
-	}
-
-	if (!ctre::match<IS_UINT_IN_RANGE>(str))
-	{
-		return ConversionResult(false, 0U, "Out of range");
-	}
-
-	std::size_t waste_pos = 0;
-
-	auto num = std::stoul(str.data(), &waste_pos, NUMBER_BASE);
-
-	if (waste_pos != str.length())
-	{
-		return ConversionResult(false, 0U, "Not a number");
-	}
-
-	if (num > UINT_MAX)
-	{
-		return ConversionResult(false, 0U, "Out of range");
-	}
-
-	return ConversionResult(true, static_cast<uint32_t>(num));
-}
diff --git a/src/conversion.hpp b/src/conversion.hpp
deleted file mode 100644
index b1f2438..0000000
--- a/src/conversion.hpp
+++ /dev/null
@@ -1,34 +0,0 @@
-#pragma once
-
-#include <ctre.hpp>
-#include <string_view>
-
-constexpr uint32_t NUMBER_BASE = 10U;
-
-template <typename ResultType>
-class ConversionResult
-{
-public:
-	explicit ConversionResult(
-		const bool &success_,
-		const ResultType &result_,
-		const std::string_view &fail_reason_ = "") noexcept
-		: success(success_), result(result_), fail_reason(fail_reason_)
-	{
-	}
-
-	const bool &success;
-	const ResultType &result;
-	const std::string_view &fail_reason;
-};
-
-static constexpr auto IS_VALID_UINT = ctll::fixed_string("^[0-9]+$");
-static constexpr auto IS_UINT_IN_RANGE = ctll::fixed_string("^[0-9]{1,19}$");
-
-/**
- * Converts a string to a unsigned integer.
- *
- * @param str A string that possibly is a unsigned integer
- * @returns A conversion result
- */
-auto str_to_uint(const std::string_view &str) noexcept -> ConversionResult<uint32_t>;
-- 
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