69 lines
1.2 KiB
C++
69 lines
1.2 KiB
C++
/*
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* Yaml.h
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*
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* Created on: 06.10.2012
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* Author: Felix
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*/
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#ifndef DG_YAML_H_
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#define DG_YAML_H_
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#include <fstream>
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#include <yaml-cpp/yaml.h>
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#include "../types/String.h"
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#include "../types/Vector.h"
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namespace details {};
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/**
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* Interface to a YAML file.
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*/
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class Yaml {
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// Public functions.
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public:
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Yaml(const String& filename);
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static void setFolder(const String& folder);
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template <typename T>
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T get(const String& key) const;
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// Private variables.
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private:
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static String mFolder;
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YAML::Node mNode;
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};
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/**
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* Stream output operators to specialize Yaml::get for other types.
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*/
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namespace {
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void operator>>(const YAML::Node& node, Vector2i& vector) {
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node[0] >> vector.x;
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node[1] >> vector.y;
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}
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void operator>>(const YAML::Node& node, Vector2f& vector) {
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node[0] >> vector.x;
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node[1] >> vector.y;
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}
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};
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/**
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* Gets a value of a specified type by key. Throws exception if key not found.
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*
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* @param key The string by which to select the return value.
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* @tparam T The type of the return value.
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* @return The value of the specified key.
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*/
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template <typename T>
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T Yaml::get(const String& key) const {
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T tmp;
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mNode[key] >> tmp;
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return tmp;
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};
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#endif /* DG_YAML_H_ */
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