feat(toml): add shared TOML utilities and handle ip.toml

include/Cubed/app.hpp

@@ -70,6 +70,7 @@ private:
     Argument m_argument;
     void init(int argc, char** argv);
     void handle_argument(int argc, char** argv);
+    void handle_toml();
     auto init_camera();
     auto init_texture();
     auto init_world();

include/Cubed/config.hpp

@@ -1,17 +1,9 @@
 #pragma once
 #include "Cubed/tools/cubed_assert.hpp"
-
-#include <toml++/toml.hpp>
+#include "Cubed/tools/toml.utils.hpp"
 
 namespace Cubed {
 
-template <typename T>
-concept TomlValueType =
-    std::same_as<T, int> || std::same_as<T, bool> || std::same_as<T, double> ||
-    std::same_as<T, const char*> || std::same_as<T, toml::date> ||
-    std::same_as<T, toml::time> || std::same_as<T, toml::date_time> ||
-    std::same_as<T, std::string>;
-
 class Config {
 public:
     Config();
@@ -24,7 +16,7 @@ public:
     void load_or_create_config();
     void save_to_file();
 
-    template <TomlValueType T> T get(std::string_view key) const {
+    template <TOML::TomlValueType T> T get(std::string_view key) const {
         size_t cur = 0;
         auto pos = key.find('.');
         const toml::table* table = &m_tbl;
@@ -61,7 +53,7 @@ public:
         }
     }
     template <typename T> void set(std::string_view key, T&& val) {
-        if constexpr (!TomlValueType<std::decay_t<T>>) {
+        if constexpr (!TOML::TomlValueType<std::decay_t<T>>) {
             static_assert(false, "Type Not Support");
         }
         size_t cur = 0;

include/Cubed/tools/toml.utils.hpp

@@ -0,0 +1,41 @@
+#pragma once
+
+#include "Cubed/tools/log.hpp"
+
+#include <toml++/toml.hpp>
+namespace Cubed {
+namespace TOML {
+
+template <typename T>
+concept TomlValueType =
+    std::same_as<std::decay_t<T>, int> || std::same_as<std::decay_t<T>, bool> ||
+    std::same_as<std::decay_t<T>, double> ||
+    std::same_as<std::decay_t<T>, char> ||
+    std::same_as<std::decay_t<T>, toml::date> ||
+    std::same_as<std::decay_t<T>, toml::time> ||
+    std::same_as<std::decay_t<T>, toml::date_time> ||
+    std::same_as<std::decay_t<T>, std::string>;
+
+template <TomlValueType T>
+std::optional<T> safe_get_value(const toml::table& table, std::string_view key,
+                                const T& default_value) {
+    auto value = table[key].value<T>();
+    if (value == std::nullopt) {
+        Logger::warn("Key {} Is Not Find, Wiil Set the Default Value {}", key,
+                     default_value);
+        value = default_value;
+    }
+    return value;
+}
+template <typename U>
+    requires std::convertible_to<U, std::string>
+std::optional<std::string> safe_get_value(const toml::table& table,
+                                          std::string_view key,
+                                          U&& default_value) {
+    return safe_get_value<std::string>(
+        table, key, std::string(std::forward<U>(default_value)));
+}
+
+} // namespace TOML
+
+} // namespace Cubed