// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of the Aegisub Group nor the names of its contributors
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//


#pragma once


///////////
// Headers
#include <wx/wxprec.h>
#include <wx/dynarray.h>
#include <wx/string.h>
#ifdef TEXT_READER_USE_STDIO
#include <stdio.h>
#else
#include <fstream>
#endif


/////////
// Class
class TextFileReader {
private:
	wxString filename;
	wxString encoding;
#ifdef TEXT_READER_USE_STDIO
	FILE *file;
#else
	std::ifstream file;
#endif
	wxMBConv *conv;
	bool Is16;
	bool swap;
	bool open;
	bool customConv;
	bool trim;

	void Open();
	void Close();
	void SetEncodingConfiguration();

public:
	TextFileReader(Athenasub::String filename,Athenasub::String encoding="",bool trim=true);
	~TextFileReader();

	Athenasub::String ReadLineFromFile();
	bool HasMoreLines();

	static void EnsureValid(const Athenasub::String encoding);
	Athenasub::String GetCurrentEncoding();
	static Athenasub::String GetEncoding(const Athenasub::String filename);
};