libs/EDoc/ManagedFile.cpp

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/*******************************************************************************

   Copyright (C) 2007 by Brendon Costa

   This library is free software; you can redistribute it and/or modify 
   it under the terms of the "LGPL Like" License defined in the file COPYING 
   that should have been distributed along with this source.

   This library 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.  

   You should have received a copy of the "LGPL Like" License 
   along with this library; see the file COPYING. if not, it can be 
   obtained from the EDoc++ website: 
   http://edoc.sourceforge.net/license.html

*******************************************************************************/
#include "config.h"

#include "EDoc/ManagedFile.h"
#include "EDoc/ManagedFileCleanupIFace.h"

#include "EDoc/utils.h"
#include "EDoc/Logger.h"

namespace EDoc
{
   //===========================================================================
   ManagedFile::ManagedFile(std::list<std::string> identifier_in) :
      cleanup(NULL),
      identifier(identifier_in)
   {
      IncRef();
   }
   //===========================================================================
   ManagedFile::ManagedFile(std::string identifier_in) :
      cleanup(NULL)
   {
      identifier.push_back(identifier_in);
      IncRef();
   }
   //===========================================================================
   ManagedFile::ManagedFile(std::list<std::string> identifier_in,
         std::string work_file_name_in, 
         ManagedFileCleanupIFace* cleanup_in) :
      
      cleanup(cleanup_in),
      work_file_name(work_file_name_in),
      identifier(identifier_in)
   {
      IncRef();
   }
   //===========================================================================
   ManagedFile::ManagedFile(const ManagedFile& right) :
      cleanup(right.cleanup),
      work_file_name(right.work_file_name),
      identifier(right.identifier)
   {
      IncRef();
   }
   //===========================================================================
   ManagedFile& ManagedFile::operator=(const ManagedFile& right)
   {
      if (&right == this)
      {
         return *this;
      }

      DecRef();
      cleanup = right.cleanup;
      work_file_name = right.work_file_name;
      identifier = right.identifier;
      IncRef();

      return *this;
   }
   //===========================================================================
   ManagedFile::~ManagedFile()
   {
      DecRef();
   }
   //===========================================================================
   void ManagedFile::IncRef()
   {
      if (cleanup)
      {
         cleanup->ref_count++;
      }
   }
   //===========================================================================
   void ManagedFile::DecRef()
   {
      if (cleanup)
      {
         cleanup->ref_count--;
         if (cleanup->ref_count <= 0)
         {
            EDOC_Finest("Ref count reached 0. Deleting instance "
               "calling cleanup for file: " << work_file_name);
            delete cleanup;
            cleanup = NULL;
            work_file_name = "";
            Erase(identifier);
         }
      }
   }
   //===========================================================================
   std::string ManagedFile::GetFileNameRep() const
   {
      std::ostringstream stream;
      EDOC_FOREACH_CONST(std::list<std::string>, it, identifier)
      {
         stream << (*it) << ":";
      }
      
      if (stream.str().size())
      {
         return stream.str().substr(0, stream.str().size() -1);
      }
      return "";
   }
   //===========================================================================
}

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