Populate the hzFileset instance from a import file

Declared in file: hzDirectory.h
Defined in file : hzDirectory.cpp

Function Logic:

Function body:

hzEcode hzFileset::Import (const char* filepath)
{
   //  Populate the hzFileset instance from a import file
   //  
   //  Arguments: 1) filepath The import file
   //  
   //  Returns: E_ARGUMENT If the import filename is not supplied
   //     E_OPENFAIL If the import file cannot be opened
   //     E_READFAIL If the import file cannot be read
   //     E_OK  If the import was successful
   _hzfunc("hzFileset::Import()") ;
   std::ifstream   is ;        //  File input stream
   hzDirent*   pDX ;           //  New directory
   hzDirent*   pFX ;           //  New file
   char*       i ;             //  Buffer iterator
   hzString    newname ;       //  New dir/file name
   uint32_t    nLine ;         //  Line number
   uint32_t    nInode ;        //  Inode (used in copy protection etc)
   uint32_t    nSize ;         //  File size
   uint32_t    nCtime ;        //  File create date
   uint32_t    nMtime ;        //  File modified date
   uint32_t    nMode ;         //  File mode
   uint32_t    nOwner ;        //  UNIX owner id
   uint32_t    nGroup ;        //  UNIX group id
   bool        bOk ;           //  Format OK
   hzEcode     rc ;            //  Return code
   char        cvLine[512];//  Line buffer
   //  Check filepath
   if (!filepath || !filepath[0])
       return E_ARGUMENT ;
   //  Open for reading
   is.open(filepath) ;
   if (is.fail())
       return E_OPENFAIL ;
   //  Read in line by line
   for (nLine = 1;; nLine++)
   {
       is.getline(cvLine, 512);
       if (!is.gcount())
           break ;
       i = cvLine ;
       if (i[0]== ''#'')
           continue ;
       //  These apply to both dirs and files
                   bOk = IsPosint(nInode, i + 2);
       if (bOk)    bOk = IsHexnum(nMode,  i + 13);
       if (bOk)    bOk = IsPosint(nSize,  i + 22);
       if (bOk)    bOk = IsPosint(nCtime, i + 33);
       if (bOk)    bOk = IsPosint(nMtime, i + 44);
       if (bOk)    bOk = IsPosint(nOwner, i + 55);
       if (bOk)    bOk = IsPosint(nGroup, i + 61);
       if (!bOk)
       {
           is.close() ;
           return hzerr(E_CORRUPT, "Line %d of %s is malformed", nLine, filepath) ;
       }
       newname = i + 67;
       if (i[0]== ''D'')
       {
           //  Directory entry
           pDX = new hzDirent() ;
           pDX->InitNorm(0,newname, nInode, nSize, nCtime, nMtime, nMode, nOwner, nGroup, 0);
           m_dirs.Insert(pDX->Path(), pDX) ;
           continue ;
       }
       if (i[0]== ''F'')
       {
           //  File entry
           pFX = new hzDirent() ;
           pFX->InitNorm(pDX->strName(), newname, nInode, nSize, nCtime, nMtime, nMode, nOwner, nGroup, 0);
           m_nBytes += pFX->Size() ;
           m_file.Insert(pFX->Path(), pFX) ;
       }
   }
   is.close() ;
   return E_OK ;
}