/*
 Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.

 Governed by the TrueCrypt License 3.0 the full text of which is contained in
 the file License.txt included in TrueCrypt binary and source code distribution
 packages.
*/

#ifndef TC_HEADER_Main_Xml
#define TC_HEADER_Main_Xml

#include "System.h"
#include "Main.h"

namespace TrueCrypt
{
	struct XmlNode;
	typedef list <XmlNode> XmlNodeList;

	struct XmlNode
	{
		XmlNode () { }
		XmlNode (const wxString &name) : Name (name) { }
		XmlNode (const wxString &name, const wxString &innerText) : InnerText (innerText), Name (name) { }
		XmlNode (const wxString &name, const XmlNodeList &innerNodes) : InnerNodes (innerNodes), Name (name) { }

		map <wxString, wxString> Attributes;
		XmlNodeList InnerNodes;
		wxString InnerText;
		wxString Name;
	};

	class XmlParser
	{
	public:
		XmlParser (const FilePath &fileName);
		XmlParser (const string &xmlTextUtf8) : XmlText (wxString::FromUTF8 (xmlTextUtf8.c_str())) { }
		XmlParser (const wxString &xmlText) : XmlText (xmlText) { }
		virtual ~XmlParser () { }

		wxString ConvertEscapedChars (wxString xmlString) const;
		XmlNodeList GetNodes (const wxString &nodeName) const;

	protected:
		wxString XmlText;

	private:
		XmlParser (const XmlParser &);
		XmlParser &operator= (const XmlParser &);
	};

	class XmlWriter
	{
	public:
		XmlWriter (const FilePath &fileName);
		virtual ~XmlWriter ();

		void Close();
		wxString EscapeChars (wxString rawString) const;
		void WriteNode (const XmlNode &xmlNode);
		void WriteNodes (const XmlNodeList &xmlNodes);

	protected:
		int CurrentIndentLevel;
		auto_ptr <wxMemoryOutputStream> MemOutStream;
		auto_ptr <wxTextOutputStream> TextOutStream;
		File OutFile;

	private:
		XmlWriter (const XmlWriter &);
		XmlWriter &operator= (const XmlWriter &);
	};
}

#endif // TC_HEADER_Main_Xml