Added Yaml class for runtime configuration

source/main.cpp

@@ -8,10 +8,14 @@
 #include "Game.h"
 #include "util/Loader.h"
 
+#include "util/Yaml.h"
+
 /**
  * Creates Game object.
  */
 int main(int argc, char* argv[]) {
+	Yaml::setFolder("resources/yaml/");
+
 	Loader::i().setFolder("resources/");
 	Loader::i().setSubFolder<sf::Texture>("textures/");
 

source/util/Yaml.cpp

@@ -0,0 +1,29 @@
+/*
+ * Yaml.cpp
+ *
+ *  Created on: 06.10.2012
+ *      Author: Felix
+ */
+
+#include "Yaml.h"
+
+String Yaml::mFolder = "";
+
+/**
+ * Creates a readable object from a YAML file. The path must be relative to the directory
+ * set in setFolder().
+ */
+Yaml::Yaml(const String& filename) {
+	std::ifstream file(mFolder+filename);
+	YAML::Parser parser(file);
+	parser.GetNextDocument(mNode);
+}
+
+/**
+ * Sets the folder where YAML files are placed. Is added in front of each file name. Allows
+ * shorter strings as this does not have to be added everywhere.
+ */
+void
+Yaml::setFolder(const String& folder) {
+	mFolder = folder;
+}

source/util/Yaml.h

@@ -0,0 +1,46 @@
+/*
+ * Yaml.h
+ *
+ *  Created on: 06.10.2012
+ *      Author: Felix
+ */
+
+#ifndef DG_YAML_H_
+#define DG_YAML_H_
+
+#include <fstream>
+
+#include <yaml-cpp/yaml.h>
+
+#include "String.h"
+
+/**
+ * Interface to a YAML file.
+ */
+class Yaml {
+// Public functions.
+public:
+	Yaml(const String& filename);
+
+	static void setFolder(const String& folder);
+	/**
+	 * Gets a value of a specified type by key. Throws exception if key not found.
+	 *
+	 * @param key The string by which to select the return value.
+	 * @tparam T The type of the return value.
+	 * @return The value of the specified key.
+	 */
+	template <typename T>
+	T get(const String& key) const {
+		T tmp;
+		mNode[key] >> tmp;
+		return tmp;
+	};
+
+// Private variables.
+private:
+	static String mFolder;
+	YAML::Node mNode;
+};
+
+#endif /* DG_YAML_H_ */