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/*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined OverlayDocumentParser_h
#define OverlayDocumentParser_h
#include "Object.h"
#include "Document.h"
#include "Page.h"
#include "Parser.h"
#include <map>
#include <iostream>
namespace merge_lib
{
class Document;
//This class parsed the pdf document and creates
//an Document object
class OverlayDocumentParser: private Parser
{
public:
OverlayDocumentParser(): Parser(), _fileName() {};
Document * parseDocument(const char * fileName);
protected:
unsigned int _readTrailerAndReturnRoot();
private:
//methods
void _getFileContent(const char * fileName);
void _readXRefAndCreateObjects();
void _readXref(std::map<unsigned int, unsigned long> & objectsAndSizes);
void _getPartOfFileContent(long startOfPart, unsigned int length);
unsigned int _getStartOfXrefWithRoot();
//constants
static int DOC_PART_WITH_START_OF_XREF;
//members
std::string _fileName;
};
}
#endif