👷 use unordered_map for config intries

.idea/.gitignore

@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
-# Editor-based HTTP Client requests
-/httpRequests/

.idea/.name

@@ -1 +0,0 @@
-CachyOS-Installer

.idea/discord.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="DiscordProjectSettings">
-    <option name="show" value="APPLICATION" />
-    <option name="description" value="" />
-  </component>
-</project>

.idea/misc.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
-</project>

.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/new-installer.iml" filepath="$PROJECT_DIR$/.idea/new-installer.iml" />
-    </modules>
-  </component>
-</project>

.idea/new-installer.iml

@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module classpath="CMake" type="CPP_MODULE" version="4" />

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>

CMakeLists.txt

@@ -56,6 +56,7 @@ target_compile_features(project_options INTERFACE cxx_std_20)
 ##
 add_executable(${PROJECT_NAME}
     src/definitions.hpp
+    src/config.cpp src/config.hpp
     src/utils.cpp src/utils.hpp
     src/tui.cpp src/tui.hpp
     src/main.cpp

meson.build

@@ -29,6 +29,7 @@ nlohmann_json = dependency('nlohmann_json', version : ['>=3.10.4'], fallback : [
 
 src_files = files(
     'src/definitions.hpp',
+    'src/config.cpp', 'src/config.hpp',
     'src/utils.cpp', 'src/utils.hpp',
     'src/tui.cpp', 'src/tui.hpp',
     'src/main.cpp',

src/config.cpp

@@ -0,0 +1,24 @@
+#include "config.hpp"
+#include "definitions.hpp"
+
+#include <memory>
+
+static std::unique_ptr<Config> s_config = nullptr;
+
+bool Config::initialize() noexcept {
+    if (s_config != nullptr) {
+        error("You should only initialize it once!\n");
+        return false;
+    }
+    s_config = std::make_unique<Config>();
+    if (!s_config) {
+        s_config->m_data["H_INIT"] = "openrc";
+        s_config->m_data["SYSTEM"] = "BIOS";
+    }
+
+    return s_config.get();
+}
+
+auto Config::instance() -> Config* {
+    return s_config.get();
+}

src/config.hpp

@@ -0,0 +1,34 @@
+#ifndef CONFIG_HPP
+#define CONFIG_HPP
+
+#include <string>
+#include <string_view>
+#include <unordered_map>
+
+class Config final {
+ public:
+    using value_type      = std::unordered_map<std::string_view, std::string>;
+    using reference       = value_type&;
+    using const_reference = const value_type&;
+
+    Config()          = default;
+    virtual ~Config() = default;
+
+    static bool initialize() noexcept;
+    static Config* instance();
+
+    /* clang-format off */
+
+    // Element access.
+    auto data() noexcept -> reference
+    { return m_data; }
+    auto data() const noexcept -> const_reference
+    { return m_data; }
+
+    /* clang-format on */
+
+ private:
+    value_type m_data{};
+};
+
+#endif  // CONFIG_HPP

src/main.cpp

@@ -1,5 +1,6 @@
 #include "definitions.hpp"
 #include "tui.hpp"
+#include "config.hpp"
 #include "utils.hpp"
 
 #include <regex>
@@ -19,6 +20,10 @@ int main() {
     }
 #endif
 
+    if (!Config::initialize()) {
+        return 1;
+    }
+
     utils::id_system();
 
     if (!utils::handle_connection()) {

src/utils.cpp

@@ -1,4 +1,5 @@
 #include "utils.hpp"
+#include "config.hpp"
 
 #include <sys/mount.h>
 
@@ -11,13 +12,9 @@
 
 namespace fs = std::filesystem;
 
-static std::string_view H_INIT{"openrc"};
-static std::string_view SYSTEM{"BIOS"};
-static std::string_view NW_CMD{};
-
+namespace utils {
 static constexpr int32_t CONNECTION_TIMEOUT = 15;
 
-namespace utils {
 bool is_connected() noexcept {
     return gethostbyname("google.com");
 }
@@ -74,6 +71,9 @@ bool prompt_char(const char* prompt, const char* color, char* read) noexcept {
 }
 
 void id_system() noexcept {
+    auto* config_instance = Config::instance();
+    auto& config_data = config_instance->data();
+
     // Apple System Detection
     const auto& sys_vendor = utils::exec("cat /sys/class/dmi/id/sys_vendor");
     if ((sys_vendor == "Apple Inc.\n") || (sys_vendor == "Apple Computer, Inc.\n"))
@@ -92,17 +92,17 @@ void id_system() noexcept {
                 exit(1);
             }
         }
-        SYSTEM = "UEFI";
+        config_data["SYSTEM"] = "UEFI";
     }
 
     // init system
     const auto& init_sys = utils::exec("cat /proc/1/comm");
     if (init_sys == "systemd\n")
-        H_INIT = "systemd";
+        config_data["H_INIT"] = "systemd";
 
     // TODO: Test which nw-client is available, including if the service according to $H_INIT is running
-    if (H_INIT == "systemd" && utils::exec("systemctl is-active NetworkManager") == "active\n")
-        NW_CMD = "nmtui";
+    if (config_data["H_INIT"] == "systemd" && utils::exec("systemctl is-active NetworkManager") == "active\n")
+        config_data["NW_CMD"] = "nmtui";
 }
 
 bool handle_connection() noexcept {