file.h

00001 /***************************************************************************
00002  *   Copyright (C) 2001 by Rick L. Vinyard, Jr.                            *
00003  *   rvinyard@cs.nmsu.edu                                                  *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation version 2.1.                *
00008  *                                                                         *
00009  *   This program is distributed in the hope that it will be useful,       *
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00012  *   GNU General Public License for more details.                          *
00013  *                                                                         *
00014  *   You should have received a copy of the GNU Lesser General Public      *
00015  *   License along with this library; if not, write to the                 *
00016  *   Free Software Foundation, Inc.,                                       *
00017  *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
00018  ***************************************************************************/
00019 #ifndef CONEXUSFILE_H
00020 #define CONEXUSFILE_H
00021 
00022 #include <conexus/rwfiledescriptor.h>
00023 
00028 namespace Conexus
00029   {
00030 
00037   class File : public RWFileDescriptor
00038     {
00039     public:
00040       typedef enum FileState {
00041         APPEND=LASTRWFILEDESCRIPTORSTATE<<1,
00042         CREATE=LASTRWFILEDESCRIPTORSTATE<<2,
00043         DIRECT=LASTRWFILEDESCRIPTORSTATE<<3,
00044         LARGE_FILE=LASTRWFILEDESCRIPTORSTATE<<4,
00045         NO_ACCESS_TIME=LASTRWFILEDESCRIPTORSTATE<<5,
00046         NO_FOLLOW=LASTRWFILEDESCRIPTORSTATE<<6,
00047         TRUNCATE=LASTRWFILEDESCRIPTORSTATE<<7,
00048         EXCLUSIVE_CREATE=LASTRWFILEDESCRIPTORSTATE<<8,
00049         LASTRWFILEDESCRIPTORSTATE=EXCLUSIVE_CREATE,
00050       } FileState;
00051 
00052       typedef boost::shared_ptr<File> pointer;
00053       
00054       File(const std::string& filename=std::string(), unsigned long readwrite=READ|WRITE|CREATE);
00055       
00056       static File::pointer create(const std::string& filename, unsigned long readwrite=READ|WRITE|CREATE);
00057 
00058       virtual ~File();
00059 
00063       virtual void open(const std::string name, int state=READ|WRITE|CREATE) throw (open_error);
00064 
00069       virtual void open() throw (open_error);
00070 
00072       std::string filename();
00073 
00086       void set_filename(std::string d, long unsigned state=READ|WRITE|CREATE) throw (open_error);
00087 
00088       sigc::signal<void> signal_filename_changed();
00089       
00090       virtual const std::string& object_type() { static std::string s("Conexus::File"); return s; }
00091 
00092       protected:
00093       std::string m_filename;
00094 
00095       sigc::signal<void> m_signal_filename_changed;
00096     };
00097 
00098 }
00099 
00100 #endif

Generated on Sun Aug 6 12:16:57 2006 by  doxygen 1.4.6