/*
 * This program 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#if !defined Document_h
#define Document_h

#include "Page.h"
#include <vector>

namespace merge_lib
{
   //this class contains all info about pdf document
   class Document
   {
   //only this class can fill out Document
   friend class Parser;
   friend class OverlayDocumentParser;

   public:
      ~Document();

      //get page by number
      //this method throws exception if page is absent
      Page *   getPage(unsigned int pageNumber);
      
      //save document with newFileName file name
      void     saveAs(const char * newFileName);   

      //get root of all document objects
      Object * getDocumentObject();

      //add objects to allObjects repository
      void addToAllObjects(const std::vector<Object *> & allObjs)
      {
         _allObjects.insert(_allObjects.end(), allObjs.begin(), allObjs.end());
      }

   private:
      //methods   
      Document(const char * docName);
      //members

      //root of all document's objects
      Object * _root;

      //document's pages
      //key - is a page number
      //values is a page
      std::map <unsigned int, Page *> _pages;

      //repository for all objects. 
      //this repository is using to destroy all document's objects in destructor
      std::vector<Object *> _allObjects;

      std::string _documentName;

      //max number of all document's objects
      unsigned int _maxObjectNumber;

   };
}
#endif
