System documentation of the GNU Image-Finding Tool

CAcURL2FTS.h

00001 /* -*- mode: c++ -*- 
00002 */
00003 /* 
00004 
00005     GIFT, a flexible content based image retrieval system.
00006     Copyright (C) 1998, 1999, 2000, 2001, 2002, CUI University of Geneva
00007 
00008      Copyright (C) 2003, 2004 Bayreuth University
00009       2005 Bamberg University
00010     This program is free software; you can redistribute it and/or modify
00011     it under the terms of the GNU General Public License as published by
00012     the Free Software Foundation; either version 2 of the License, or
00013     (at your option) any later version.
00014 
00015     This program is distributed in the hope that it will be useful,
00016     but WITHOUT ANY WARRANTY; without even the implied warranty of
00017     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018     GNU General Public License for more details.
00019 
00020     You should have received a copy of the GNU General Public License
00021     along with this program; if not, write to the Free Software
00022     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 
00024 */
00045 #ifndef _CACURL2FTS
00046 #define _CACURL2FTS
00047 #include "libGIFTAcURL2FTS/include/uses-declarations.h"
00048 #include <string>
00049 #include "libMRML/include/TID.h"
00050 #include <iostream>
00051 #include <fstream>
00052 #include <map>
00053 #ifdef HAS_HASH_MAP
00054 #include <hash_map>
00055 #else
00056 #define hash_map map
00057 #endif
00058 #include "libMRML/include/CAccessorImplementation.h"
00059 #include "libMRML/include/CMutex.h" // multithreading
00060 class CXMLElement;  // parameter of constructor
00061 
00066 class CAcURL2FTS:public CAccessorImplementation{
00067 private:
00069   bool mWellConstructed;
00070 protected:
00074   TID mID;
00078   string mURLPrefix;
00082   string mThumbnailURLPrefix;
00088   CMutex mMutexURL2FTS;
00090   string_string_map mURLToFFN;
00092   TID_string_map mIDToFFN;
00094   mutable ifstream mURLToFeatureFile;
00098   string mURLToFeatureFileName;
00099   // this seems to be necessary
00100   friend class CAcIFFileSystem;
00101 public:
00103   const string& getURLToFeatureFileName()const;
00104 
00122   CAcURL2FTS(const CXMLElement& inContentElement);
00123   
00129   virtual operator bool()const;
00135   virtual int size()const;
00142   pair<bool,string> URLToFFN(const string& inURL)const;
00149   pair<bool,string> IDToFFN(TID inID)const;
00151   friend void newStartURL2FTSElement(void *inUserData, 
00152                                      const char *inElementName, 
00153                                      const char **inAttributes);
00155   friend void newEndURL2FTSElement(void *inUserData, 
00156                                    const char *inElementName);
00157 };
00158 
00159 #endif

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