nevrax.org : docs

00001 
00007 /* Copyright, 2000 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL 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, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #include "stdgeorges.h"
00027 #include "nel/misc/file.h"
00028 #include "nel/misc/i_xml.h"
00029 #include "nel/misc/o_xml.h"
00030 #include "nel/georges/form_file.h"
00031 
00032 namespace NLGEORGES
00033 {
00034 
00036 // Construction/Destruction
00038 
00039 CFormFile::CFormFile()
00040 {
00041 }
00042 
00043 CFormFile::~CFormFile()
00044 {
00045 }
00046 
00047 void CFormFile::serial( NLMISC::IStream& s )
00048 {
00049         s.xmlPush( "File_of_forms" );
00050                 s.serialCheck( (uint32)'FORM' );
00051                 s.serialVersion( 0 );
00052                 s.serialCont( lform );
00053         s.xmlPop();
00054 }
00055 
00056 void CFormFile::Load( const CStringEx _sxfullname )
00057 {
00058         NLMISC::CIFile fileIn;
00059         fileIn.open( CStringEx( _sxfullname ) );
00060         NLMISC::CIXml input;                                                                                    
00061         input.init( fileIn );
00062         serial( input );
00063 }                                                                                                                                       // Exception if fileIn.close();
00064 
00065 void CFormFile::Save( const CStringEx _sxfullname )
00066 {
00067         lform.front().SetDate( "Temporary out of date" );
00068         NLMISC::COFile fileOut;
00069         fileOut.open( CStringEx( _sxfullname ) );
00070         NLMISC::COXml output;                                                                                   
00071         output.init( &fileOut );
00072         serial( output );
00073         output.flush();
00074         fileOut.close();
00075 }                                                                                                                                       // Exception if fileOut.close();
00076 
00077 void CFormFile::GetForm( CForm& _f ) const 
00078 {
00079         _f = lform.front();                                                                                             // The first form is copying
00080 }
00081 
00082 void CFormFile::GetForm( CForm& _f, const CStringEx& _sxdate ) const 
00083 {
00084         std::list< CForm >::const_iterator cit = lform.begin();
00085         _f = *cit;                                                                                                              // The first form is copying
00086         while( (cit != lform.end())&&( _sxdate <= cit->GetDate() ) )
00087                 _f += *(++cit);                                                                                         // While history's date is after the date, add history's form.
00088 }
00089 
00090 void CFormFile::SetForm( CForm& _f ) 
00091 {
00092         if( lform.empty() )                                     
00093         {
00094                 lform.push_front( _f );
00095                 return;
00096         }
00097 
00098         if( ( !_f.GetModified() )||( _f == lform.front() ) )
00099                 return;                                                                                                         // It's the same! Don't save...
00100 
00101         CForm f = lform.front();                                                                                // Copy the old first form
00102         f -= _f;                                                                                                                // overwrite with differences
00103         lform.pop_front();                                                                                              // Delete the old fist form
00104         lform.push_front( f );                                                                                  // Replace it by differences
00105         lform.push_front( _f );                                                                                 // Place the new form in first position
00106 }
00107 
00108 }
form_file.cpp
