1 files changed, 105 insertions, 0 deletions
diff --git a/source/data/Config.cpp b/source/data/Config.cpp
new file mode 100644
index 0000000..6cdda2f
--- /dev/null
+++ b/source/data/Config.cpp
@@ -0,0 +1,105 @@
+#include "Config.h"
+
+const string Config::SCREEN_WIDTH_KEY("screen_width");
+const string Config::SCREEN_HEIGHT_KEY("screen_height");
+const string Config::FULLSCREEN_KEY("fullscreen");
+
+const string Config::SCREEN_WIDTH_DEFAULT("800");
+const string Config::SCREEN_HEIGHT_DEFAULT("600");
+const string Config::FULLSCREEN_DEFAULT("false");
+
+
+Config::Config(const string& filename)
+    :_screenWidth(0),
+    _screenHeight(0)
+{
+    ifstream inStream(filename.c_str(), fstream::in);
+
+    map<string, string> readValues;
+    map<string, string> unfoundValues;
+    readFile(inStream, readValues);
+    fillValues(readValues, unfoundValues);
+
+    inStream.close();
+
+    ofstream outStream(filename.c_str(), fstream::app);
+
+    writeUnfoundValues(outStream, unfoundValues);
+
+    outStream.close();
+}
+
+unsigned int Config::screenWidth() const
+{
+    return _screenWidth;
+}
+unsigned int Config::screenHeight() const
+{
+    return _screenHeight;
+}
+bool Config::fullscreen() const
+{
+    return _fullscreen;
+}
+
+void Config::readFile(ifstream& file, map<string,string>& map)
+{
+    if (!file.is_open()) return;
+
+    string nextEntry;
+    while(!file.eof())
+    {
+        file >> nextEntry;
+
+        string::size_type equalsIndex = nextEntry.find("=",0);
+        if (equalsIndex!=string::npos)
+        {
+            string key = nextEntry.substr(0,equalsIndex);
+            string value = nextEntry.substr(equalsIndex+1);
+
+            map[key] = value;
+        }
+    }
+}
+
+void Config::fillValues(const map<string, string>& readValues, map<string, string>& unfoundValues)
+{
+    setScreenWidth(extractValue(readValues, unfoundValues, SCREEN_WIDTH_KEY, SCREEN_WIDTH_DEFAULT));
+    setScreenHeight(extractValue(readValues, unfoundValues, SCREEN_HEIGHT_KEY, SCREEN_HEIGHT_DEFAULT));
+    setFullscreen(extractValue(readValues, unfoundValues, FULLSCREEN_KEY, FULLSCREEN_DEFAULT));
+}
+
+string Config::extractValue(const map<string, string>& readValues, map<string, string>& unfoundValues, const string& key, const string& defaultValue)
+{
+    map<string, string>::const_iterator findIter = readValues.find(key);
+    if (findIter != readValues.end())
+    {
+        return findIter->second;
+    }
+    else
+    {
+        unfoundValues[key] = defaultValue;
+        return defaultValue;
+    }
+}
+
+void Config::writeUnfoundValues(ofstream& file, const map<string, string>& unfoundValues)
+{
+    for (map<string, string>::const_iterator iter = unfoundValues.begin(); iter!=unfoundValues.end(); ++iter)
+    {
+        file << iter->first << "=" << iter->second << endl;
+    }
+}
+
+void Config::setScreenWidth(const string& screenWidthStr)
+{
+    _screenWidth = atoi(screenWidthStr.c_str());
+}
+void Config::setScreenHeight(const string& screenHeightStr)
+{
+    _screenHeight = atoi(screenHeightStr.c_str());
+}
+void Config::setFullscreen(const string& fullscreenStr)
+{
+    _fullscreen = fullscreenStr=="true";
+}