IOfileHeader.cpp

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/*------------------------------- phasicFlow ---------------------------------
      O        C enter of
     O O       E ngineering and
    O   O      M ultiscale modeling of
   OOOOOOO     F luid flow       
------------------------------------------------------------------------------
  Copyright (C): www.cemf.ir
  email: hamid.r.norouzi AT gmail.com
------------------------------------------------------------------------------  
Licence:
  This file is part of phasicFlow code. It is a free software for simulating 
  granular and multiphase flows. You can redistribute it and/or modify it under
  the terms of GNU General Public License v3 or any other later versions. 
 
  phasicFlow is distributed to help others in their research in the field of 
  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
-----------------------------------------------------------------------------*/
 
#include "IOfileHeader.hpp"
#include "repository.hpp"
 
pFlow::uniquePtr<pFlow::iFstream> pFlow::IOfileHeader::inStream()const
{
    if( fileExist() )
        return makeUnique<iFstream>(path());
    else
        return nullptr;
}
 
pFlow::uniquePtr<pFlow::oFstream> pFlow::IOfileHeader::outStream()const
{
     auto osPtr = makeUnique<oFstream>(path());
 
     if(osPtr && owner_)
     {
        auto outPrecision = owner_->outFilePrecision();
        osPtr->precision(outPrecision);
     }
 
     return osPtr;
}
 
pFlow::IOfileHeader::IOfileHeader
(
    const objectFile& objf,
    const repository* owner
)
:
    objectFile(objf),
    owner_(owner)
{}
 
pFlow::fileSystem pFlow::IOfileHeader::path() const
{
    fileSystem f;
 
    if( owner_ )
    {
        f = owner_->path()/localPath(); 
 
    }else
    {
        f = localPath();
    }
    f += name_;
    return f;
}
 
bool pFlow::IOfileHeader::headerOk(bool silent)
{
    if(!fileExist())
    {
        if(!silent)
            warningInFunction <<
            "  the file "<< path() << " does not exist. \n";
        return false;
    }
 
    if( implyRead() )
    {
        
        if( auto ptrIS = inStream(); ptrIS )
        {
            return readHeader( ptrIS(), silent );
        }
        else
        {
            if(!silent)
                warningInFunction<<
                "could not open file " << path() <<endl;
            return false;
        }
    }
 
    return true;
}
 
bool pFlow::IOfileHeader::implyRead() const
{
    if (isReadAlways()) return true;
    return readIfPresent();
}
 
bool pFlow::IOfileHeader::implyWrite() const
{
    return isWriteAlways();
}
 
bool pFlow::IOfileHeader::fileExist() const
{
    return path().exist();
}
 
bool pFlow::IOfileHeader::readIfPresent()const
{
    return fileExist() && isReadIfPresent();
}
 
 
bool pFlow::IOfileHeader::writeHeader(iOstream& os, const word& typeName) const
{
 
    writeBanner(os);
 
    os.writeWordEntry("objectType", typeName );
    os.fatalCheck("writing objectType");
 
    os.writeWordEntry("objectName", name() );
    os.fatalCheck("writing objectName");
 
    writeSeparator(os);
    return true;
}
 
bool pFlow::IOfileHeader::writeHeader(iOstream& os) const
{
    return writeHeader(os, objectType_);
}
 
bool pFlow::IOfileHeader::readHeader(iIstream& is, bool silent)
{
    
    if( !is.findTokenAndNextSilent("objectName", objectName_) )
    {
        if(!silent)
        {
            warningInFunction<<
            "cannot find/error in reading objectName in file " <<
            is.name()<<endl;
        }
        return false;
    }   
 
    if( !is.findTokenAndNextSilent("objectType", objectType_) )
    {
        if(!silent)
        {
            warningInFunction <<
            "cannot find/error in reading objectType in file "<<
            is.name()<<endl;
        }
        return false;
    }
 
    return true;
}
 
bool pFlow::IOfileHeader::writeBanner(iOstream& os)const
{
    os<< 
"/* -------------------------------*- C++ -*---------------------------------- *\\ \n"<<
"|  phasicFlow File                                                            | \n"<<
"|  copyright: www.cemf.ir                                                     | \n"<<
"\\* ------------------------------------------------------------------------- */  \n \n";
 
    return true;
}
 
bool pFlow::IOfileHeader::writeSeparator(iOstream& os)const
{
    os<< "\n" <<
"// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // \n \n";
 
    return true;
}