//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : NgeReader.cpp         Data : 14.04.14          Versione : 1.5d5
// Contenuto : Implementazione della classe NgeReader.
//
//
//
// Modifiche : 14.04.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "NgeReader.h"
#include "NgeKeyW.h"
#include "/EgtDev/Include/EGkStringUtils3d.h"

using namespace std ;

//----------------------------------------------------------------------------
bool
NgeReader::Init( const std::string& sFileIn) 
{
   m_iPosStart = string::npos ;
   m_sLine.reserve( 128) ;
   m_sToken.reserve( 48) ;
   return m_Scan.Init( sFileIn) ;
}

//----------------------------------------------------------------------------
bool
NgeReader::Close( void) 
{
   return m_Scan.Terminate() ;
}

//----------------------------------------------------------------------------
int
NgeReader::GetCurrPos( void)
{
   return m_Scan.GetCurrLineNbr() ;
}

//----------------------------------------------------------------------------
bool
NgeReader::GetToken( std::string& sToken, const char* szSep, bool bEndL)
{
  // se necessario, lettura nuova linea
   if ( m_iPosStart == string::npos) {
      if ( ! m_Scan.GetLine( m_sLine))
         return false ;
      m_iPosStart = 0 ;
   }
  // se richiesta ricerca separatore
   if ( szSep != nullptr) {
     // cerco il primo separatore nella linea
      string::size_type iPosEnd = m_sLine.find_first_of( szSep, m_iPosStart) ;
      sToken = m_sLine.substr( m_iPosStart, iPosEnd - m_iPosStart) ;
     // passo al prossimo
      m_iPosStart = m_sLine.find_first_not_of( szSep, iPosEnd) ;
      if ( bEndL)
         return ( m_iPosStart == string::npos) ;
      else
         return ( m_iPosStart != string::npos) ;
   }
  // altrimenti, deve essere tutto con endl obbligatorio
   else {
      sToken = m_sLine.substr( m_iPosStart, string::npos) ;
      m_iPosStart = string::npos ;
      return bEndL ;
   }
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadUchar( unsigned char& ucVal, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   int nVal ;
   if ( ! FromString( m_sToken, nVal))
      return false ;
   ucVal = nVal ;
   return true ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadBool( bool& bVal, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   return FromString( m_sToken, bVal) ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadInt( int& nVal, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   return FromString( m_sToken, nVal) ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadDouble( double& dVal, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   return FromString( m_sToken, dVal) ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadVector( Vector3d& vtV, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   return FromString( m_sToken, vtV) ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadPoint( Point3d& ptP, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   return FromString( m_sToken, ptP) ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadPointW( Point3d& ptP, double& dW, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   return FromString( m_sToken, ptP, dW) ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadFrame( Frame3d& frF, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   return FromString( m_sToken, frF) ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadString( string& sVal, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // lo copio nella stringa
   sVal = m_sToken ;
   return true ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadKey( int& nKey)
{
  // recupero la linea
   if ( ! GetToken( m_sToken, nullptr, true))
      return false ;
  // ricavo il valore
   for ( int i = 0 ; i <= NGE_LAST_ID ; ++ i) {
      if ( m_sToken == NgeAscKeyW[i]) {
         nKey = i ;
         return true ;
      }
   }
   return false ;
}

//----------------------------------------------------------------------------
bool
NgeReader::ReadCol( Color& cCol, const char* szSep, bool bEndL)
{
  // recupero il token
   if ( ! GetToken( m_sToken, szSep, bEndL))
      return false ;
  // ricavo il valore
   return FromString( m_sToken, cCol) ;
}