System documentation of the GNU Image-Finding Tool

CAcURL2FTS.h

/* -*- mode: c++ -*- 
*/
/* 

    GIFT, a flexible content based image retrieval system.
    Copyright (C) 1998, 1999, 2000, 2001, 2002, CUI University of Geneva

    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 2 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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/
#ifndef _CACURL2FTS
#define _CACURL2FTS
#include "libGIFTAcURL2FTS/include/uses-declarations.h"
#include <string>
#include "libMRML/include/TID.h"
#include <iostream>
#include <fstream>
#include <map>
#ifdef HAS_HASH_MAP
#include <hash_map>
#else
#define hash_map map
#endif
#include "libMRML/include/CAccessorImplementation.h"
#include "libMRML/include/CMutex.h" // multithreading
class CXMLElement;  // parameter of constructor

class CAcURL2FTS:public CAccessorImplementation{
private:
  bool mWellConstructed;
protected:
  TID mID;
  string mURLPrefix;
  string mThumbnailURLPrefix;
  CMutex mMutexURL2FTS;
  string_string_map mURLToFFN;
  TID_string_map mIDToFFN;
  mutable ifstream mURLToFeatureFile;
  string mURLToFeatureFileName;
  // this seems to be necessary
  friend class CAcIFFileSystem;
public:
  const string& getURLToFeatureFileName()const;

  CAcURL2FTS(const CXMLElement& inContentElement);
  
  virtual operator bool()const;
  virtual int size()const;
  pair<bool,string> URLToFFN(const string& inURL)const;
  pair<bool,string> IDToFFN(TID inID)const;
  friend void newStartURL2FTSElement(void *inUserData, 
                                     const char *inElementName, 
                                     const char **inAttributes);
  friend void newEndURL2FTSElement(void *inUserData, 
                                   const char *inElementName);
};

#endif

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