DataIO.hpp

 
//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2022 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/String.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() = default;
 Node(Node&&) = default;
 Node& operator=(const Node&) = delete; // Not implemented because current code has no use for it
 Node& operator=(Node&&) = default;
 
 Node(const Node& other) :
 parent{other.parent},
 children{},
 propertyValuePairs{},
 name{other.name}
 {
 for (const auto& child : other.children)
 children.push_back(std::make_unique<Node>(*child));
 for (const auto& pair : other.propertyValuePairs)
 propertyValuePairs[pair.first] = std::make_unique<ValueNode>(*pair.second);
 }
 
 Node* parent = nullptr;
 std::vector<std::unique_ptr<Node>> children;
 std::map<String, std::unique_ptr<ValueNode>> propertyValuePairs;
 String name;
 };
 
 
 struct ValueNode
 {
 ValueNode(String v = "") : value(std::move(v)) {}
 
 String value;
 bool listNode = false;
 std::vector<String> valueList;
 };
 
 
 static std::unique_ptr<Node> parse(std::stringstream& stream);
 
 
 static void emit(const std::unique_ptr<Node>& rootNode, std::stringstream& stream);
 };
 
}
 
 
#endif // TGUI_DATA_IO_HPP