Refactor code

src/Render.cpp

@@ -207,22 +207,13 @@ bool Render::Init(string window_name) {
     logFile.open("log.txt", std::ofstream::out | std::ofstream::trunc);
     logFile.close();
 
-    // "touch" the file first
-    std::ofstream config;
-    config.open("conf.toml", std::ios::app);
-    config.close();
-    fstream oFile("conf.toml");
-    oFile.seekg(0,std::ios::end);
-	unsigned int size = oFile.tellg();
-	if(!size) {
-        // if file doesnt actually have anything (which it should when the file doesnt exist... yet)
-        std::ofstream config;
-        config.open("conf.toml", std::ios::app);
-        config  << "[config]" << endl
-                << "soundfont = \"data/gm.sf2\"" << endl;
-        config.close();
+    if (!touchFile("conf.toml"))
+    {
+        tomlExport("conf.toml", 
+        {
+            {"config", {{"soundfont", "data/gm.sf2"}}}
+        });
     }
-    oFile.close();
     SOUNDFONT = tomlParse<string>("conf.toml", "config", "soundfont");
     if (se.init() > 0) {
         log("Render.cpp", 202, "SoLoud", " has failed to load. Is your dll broken?", ERROR_);

src/Render.hpp

@@ -279,6 +279,8 @@ namespace Render {
         return FRAMERATE*time;
     }
 
+    // Parse a TOML at a given path with a table and key.
+    // Setting table name to "" will look for the key without a table.
     template <typename T>
     T tomlParse(string path, string table_name = "", string key = "") {
         auto parsed = toml::parse(path);
@@ -288,5 +290,30 @@ namespace Render {
         }
         return toml::find<T>(parsed, key);
     }
+
+    // "touch" a file at a given path.
+    // Returns false if file is empty, returns true if not
+    inline bool touchFile(string path) {
+        std::ofstream file;
+        file.open(path, std::ios::app);
+        file.close();
+        fstream oFile(path);
+        oFile.seekg(0,std::ios::end);
+        unsigned int size = oFile.tellg();
+        if (!size) {
+            oFile.close();
+            return false;
+        }
+        return true;
+    }
+
+    // Export a TOML file to a path from a toml::value.
+    inline void tomlExport(string path, toml::value values) {
+        string export_ = toml::format(values, 0, 2);
+        std::ofstream config;
+        config.open(path, std::ofstream::out | std::ofstream::trunc);
+        config << export_ << endl;
+        config.close();
+    }
 }
 #endif