PLearn 0.1
load_and_save.h
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00001 // -*- C++ -*-
00002 
00003 // load_and_save.h
00004 //
00005 // Copyright (C) 2004 Pascal Vincent 
00006 // 
00007 // Redistribution and use in source and binary forms, with or without
00008 // modification, are permitted provided that the following conditions are met:
00009 // 
00010 //  1. Redistributions of source code must retain the above copyright
00011 //     notice, this list of conditions and the following disclaimer.
00012 // 
00013 //  2. Redistributions in binary form must reproduce the above copyright
00014 //     notice, this list of conditions and the following disclaimer in the
00015 //     documentation and/or other materials provided with the distribution.
00016 // 
00017 //  3. The name of the authors may not be used to endorse or promote
00018 //     products derived from this software without specific prior written
00019 //     permission.
00020 // 
00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031 // 
00032 // This file is part of the PLearn library. For more information on the PLearn
00033 // library, go to the PLearn Web site at www.plearn.org
00034 
00035 /* *******************************************************      
00036  * $Id: load_and_save.h 9928 2009-02-11 15:42:24Z nouiz $ 
00037  ******************************************************* */
00038 
00039 // Authors: Pascal Vincent
00040 
00044 #ifndef load_and_save_INC
00045 #define load_and_save_INC
00046 
00047 // Put includes here
00048 
00049 #include "PStream.h"
00050 #include "fileutils.h" 
00051 #include "openFile.h"
00052 
00053 namespace PLearn {
00054 using namespace std;
00055 
00056 // ****************************************
00057 // *** Generic save and load operations ***
00058 // ****************************************
00059 
00060 template <class T> 
00061 inline void load(const PPath& filepath, T &x)
00062 {
00063     PStream in = openFile( filepath, PStream::plearn_ascii, "r" );
00064     in >> x;
00065 }
00066 
00070 template<class T> 
00071 inline void save(const PPath& filepath, const T& x, PStream::mode_t io_formatting=PStream::plearn_ascii, bool implicit_storage = true)
00072 { 
00073     force_mkdir_for_file(filepath);
00074     PPath tmp_file=filepath+".plearn_tmpsave";
00075     {
00076         PStream out = openFile( tmp_file, io_formatting, "w" );
00077         out.implicit_storage = implicit_storage;
00078         out << x;
00079     }//to be sure out is closed.
00080     mvforce(tmp_file, filepath);
00081 }
00082 
00083 } // end of namespace PLearn
00084 
00085 #endif
00086 
00087 
00088 /*
00089   Local Variables:
00090   mode:c++
00091   c-basic-offset:4
00092   c-file-style:"stroustrup"
00093   c-file-offsets:((innamespace . 0)(inline-open . 0))
00094   indent-tabs-mode:nil
00095   fill-column:79
00096   End:
00097 */
00098 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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