XMLWriter.cpp

# include <Siv3D.hpp> // OpenSiv3D v0.4.3
# include "tinyxml2.h" // https://github.com/leethomason/tinyxml2 (tinyxml2.cpp もプロジェクトに加える）

namespace s3dx // extension
{
	class XMLWriter : public tinyxml2::XMLPrinter
	{
	private:

		BinaryWriter m_writer;

	public:

		XMLWriter() = default;

		explicit XMLWriter(const FilePath& path)
			: m_writer(path) {}

		~XMLWriter()
		{
			close();
		}

		bool open(const FilePath& path)
		{
			close();

			return m_writer.open(path);
		}

		void close()
		{
			if (!m_writer)
			{
				return;
			}

			if (CStrSize() > 1)
			{
				m_writer.write(CStr(), (CStrSize() - 1));
			}

			ClearBuffer();

			m_writer.close();
		}

		bool isOpen() const
		{
			return m_writer.isOpen();
		}

		explicit operator bool() const
		{
			return isOpen();
		}
	};
}

void Main()
{
	{
		s3dx::XMLWriter xml{ U"test.xml" };

		if (!xml)
		{
			return;
		}

		xml.OpenElement("root");
		{
			xml.OpenElement("foo");
			{
				xml.PushAttribute("attrib-text", "text");
				xml.PushAttribute("attrib-int32", int32(111));
				xml.PushAttribute("attrib-int64", int64(222));
				xml.PushAttribute("attrib-uint64", uint64(333));
				xml.PushAttribute("attrib-bool", true);
				xml.PushAttribute("attrib-double", 3.1415);
			}
			xml.CloseElement();

			xml.OpenElement("text");
			{
				xml.PushText("OpenSiv3D");
			}
			xml.CloseElement();
		}
		xml.CloseElement();

		// 明示的な XMLWriter::close() または
		// デストラクタでファイルに保存
	}

	while (System::Update())
	{

	}
}