refactor: remove usage of the fmt lib & clean up

2 files changed, 27 insertions, 46 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fef9749..a78fd44 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,9 +9,6 @@ file(GLOB SOURCES src/*.cpp)
 
 add_executable(mazerator ${SOURCES})
 
-find_package(fmt)
-target_link_libraries(mazerator fmt::fmt)
-
 target_compile_features(mazerator PUBLIC cxx_std_17)
 
 target_compile_options(mazerator PRIVATE -Werror -Wall -Wextra)
diff --git a/src/mazerator.cpp b/src/mazerator.cpp
index 0927b4c..f74f952 100644
--- a/src/mazerator.cpp
+++ b/src/mazerator.cpp
@@ -1,8 +1,6 @@
-#include "fmt/core.h"
 #include "getopt.h"
 #include "matrix.hpp"
 #include "maze.hpp"
-#include "stack.hpp"
 #include "utils.hpp"
 #include "vector2.hpp"
 #include <iostream>
@@ -12,7 +10,7 @@
 
 void optarg_error(char arg, std::string error)
 {
-	std::cout << fmt::format("Error: Invalid option argument for -{}. {}", arg, error)
+	std::cout << "Error: Invalid option argument for -" << arg << ". " << error
 			  << std::endl;
 	exit(EXIT_FAILURE);
 }
@@ -20,14 +18,12 @@ void optarg_error(char arg, std::string error)
 void validate_start_coords(unsigned int start_x, unsigned int start_y, unsigned int width,
 						   unsigned int height)
 {
-	std::string error_format =
-		"The {} start coordinate cannot be higher than or equal to the maze's {}";
-
 	if (start_x >= width)
-		throw fmt::format(error_format, "x", "width");
+		throw "The x start coordinate cannot be higher than or equal to the maze's width";
 
 	if (start_y >= height)
-		throw fmt::format(error_format, "y", "height");
+		throw "The y start coordinate cannot be higher than or equal to the maze's "
+			  "height";
 }
 
 /**
@@ -52,19 +48,6 @@ void parse_uint_arg(unsigned int *num_dst, char arg, bool check_zero = false)
 	}
 }
 
-/**
- * Parses a unsigned integer command-line argument.
- *
- * @param num_dst A shared pointer to a place to store the result value
- * @param arg The command-line argument character
- */
-void parse_uint_arg(std::shared_ptr<unsigned int> num_dst, char arg)
-{
-	num_dst = std::make_shared<unsigned int>();
-
-	parse_uint_arg(num_dst.get(), arg);
-}
-
 const struct option options[] = {{"width", required_argument, NULL, 'w'},
 								 {"height", required_argument, NULL, 'h'},
 								 {"wall", required_argument, NULL, 'W'},
@@ -98,10 +81,12 @@ int main(int argc, char *argv[])
 			parse_uint_arg(&maze_height, arg, true);
 			break;
 		case 'x':
-			parse_uint_arg(start_x, arg);
+			start_x = std::make_shared<unsigned int>();
+			parse_uint_arg(start_x.get(), arg);
 			break;
 		case 'y':
-			parse_uint_arg(start_y, arg);
+			start_y = std::make_shared<unsigned int>();
+			parse_uint_arg(start_y.get(), arg);
 			break;
 		case 'W':
 			wall = optarg;
@@ -114,27 +99,26 @@ int main(int argc, char *argv[])
 			break;
 		case 0:
 			std::cout
-				<< fmt::format(
-					   "Usage: {} [OPTION]...\n\n"
-					   "Options:\n"
-					   "  -w, --width WIDTH       The width of the maze (Default: 40)\n"
-					   "  -h, --height HEIGHT     The height of the maze (Default: 20)\n"
-					   "  -x, --start-x X         The x coordinate for the start "
-					   "position "
-					   "(Default: random)\n"
-					   "  -y, --start-y Y         The y coordinate for the start "
-					   "position "
-					   "(Default: random)\n"
-					   "  -W, --wall WALL         Single character used as maze walls "
-					   "(Default: '█')\n"
-					   "  -s, --seed SEED         The randomization seed used for maze "
-					   "generation\n"
-					   "  --help                  Displays usage information",
-					   argv[0])
+				<< "Usage: " << argv[0]
+				<< " [OPTION]...\n\n"
+				   "Options:\n"
+				   "  -w, --width WIDTH       The width of the maze (Default: 40)\n"
+				   "  -h, --height HEIGHT     The height of the maze (Default: 20)\n"
+				   "  -x, --start-x X         The x coordinate for the start "
+				   "position "
+				   "(Default: random)\n"
+				   "  -y, --start-y Y         The y coordinate for the start "
+				   "position "
+				   "(Default: random)\n"
+				   "  -W, --wall WALL         Single character used as maze walls "
+				   "(Default: '█')\n"
+				   "  -s, --seed SEED         The randomization seed used for maze "
+				   "generation\n"
+				   "  --help                  Displays usage information"
 				<< std::endl;
-			exit(0);
+			return EXIT_SUCCESS;
 		case '?':
-			std::cout << fmt::format("\nTry '{} --help' for more information", argv[0])
+			std::cout << "\nTry '" << argv[0] << " --help' for more information"
 					  << std::endl;
 			return EXIT_FAILURE;
 		}
@@ -166,7 +150,7 @@ int main(int argc, char *argv[])
 	{
 		validate_start_coords(*start_x, *start_y, maze_width, maze_height);
 	}
-	catch (std::string error)
+	catch (const char *error)
 	{
 		std::cout << "Error: " << error << std::endl;
 		return EXIT_FAILURE;