DataIO.hpp

 
//
// TGUI - Texus's Graphical User Interface
// Copyright (C) 2012-2017 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
 
 
#ifndef TGUI_DATA_IO_HPP
#define TGUI_DATA_IO_HPP
 
 
#include <TGUI/Config.hpp>
#include <sstream>
#include <memory>
#include <vector>
#include <string>
#include <map>
#include <cstdio>
 
 
namespace tgui
{
 class TGUI_API DataIO
 {
 public:
 struct ValueNode;
 
 struct Node
 {
 Node* parent = nullptr;
 std::vector<std::shared_ptr<Node>> children;
 std::map<std::string, std::shared_ptr<ValueNode>> propertyValuePairs;
 std::string name;
 };
 
 
 struct ValueNode
 {
 ValueNode(Node* p = nullptr, const std::string& v = "") : parent(p), value(v) {}
 
 Node* parent;
 std::string value;
 
 bool listNode = false;
 std::vector<std::string> valueList;
 };
 
 
 static std::shared_ptr<Node> parse(std::stringstream& stream);
 
 
 static void emit(std::shared_ptr<Node> rootNode, std::stringstream& stream);
 
 
 private:
 
 static std::vector<std::string> convertNodesToLines(std::shared_ptr<Node> node);
 
 static std::string parseSection(std::stringstream& stream, std::shared_ptr<Node> node, const std::string& sectionName);
 
 static std::string parseKeyValue(std::stringstream& stream, std::shared_ptr<Node> node, const std::string& key);
 
 static std::string readLine(std::stringstream& stream);
 
 static std::string readWord(std::stringstream& stream);
 };
 
}
 
 
#endif // TGUI_DATA_IO_HPP