/*
 * Copyright (C) Ascensio System SIA, 2009-2026
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation, together with the
 * additional terms provided in the LICENSE file.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
 * details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA by email at info@onlyoffice.com
 * or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
 * LV-1050, Latvia, European Union.
 *
 * The interactive user interfaces in modified versions of the Program
 * are required to display Appropriate Legal Notices in accordance with
 * Section 5 of the GNU AGPL version 3.
 *
 * No trademark rights are granted under this License.
 *
 * All non-code elements of the Product, including illustrations,
 * icon sets, and technical writing content, are licensed under the
 * Creative Commons Attribution-ShareAlike 4.0 International License:
 * https://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 * This license applies only to such non-code elements and does not
 * modify or replace the licensing terms applicable to the Program's
 * source code, which remains licensed under the GNU Affero General
 * Public License v3.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */
#pragma once

#include "CharacterRange.h"
#include "FileInformationBlock.h"

#define GET_CHARS_RANGE(NAME) inline CharacterRange* Get##NAME(int nIndex)\
{\
	if (m_ar##NAME.empty())					return NULL;	\
	if (nIndex < (int)m_ar##NAME.size())	return m_ar##NAME[nIndex];\
	return NULL;	\
}\

namespace DocFileFormat
{
	class HeaderAndFooterTable
	{
	public: 
		HeaderAndFooterTable (FileInformationBlock* fib, POLE::Stream* pTableStream);
		~HeaderAndFooterTable();

		GET_CHARS_RANGE (FirstHeaders);	
		GET_CHARS_RANGE (EvenHeaders);
		GET_CHARS_RANGE (OddHeaders);
		GET_CHARS_RANGE (FirstFooters);
		GET_CHARS_RANGE (EvenFooters);
		GET_CHARS_RANGE (OddFooters);

	inline CharacterRange* GetNextHeaderFooter()
	{
		if (m_nCurrentIndex < m_arCommonHeadersFooters.size())	
			return m_arCommonHeadersFooters[m_nCurrentIndex++];
		
		return NULL;
	}
	private: 
		size_t							m_nCurrentIndex;
		std::vector<CharacterRange*>	m_arCommonHeadersFooters;
	
		std::vector<CharacterRange*> m_arFirstHeaders;
		std::vector<CharacterRange*> m_arEvenHeaders;
		std::vector<CharacterRange*> m_arOddHeaders;
		std::vector<CharacterRange*> m_arFirstFooters;
		std::vector<CharacterRange*> m_arEvenFooters;
		std::vector<CharacterRange*> m_arOddFooters;
	};
}