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- aggiunte FromString e ToString per long long.
This commit is contained in:
Dario Sassi
2025-09-18 10:36:51 +02:00
parent b4305fc503
commit 6f7c15cf54
1 changed files with 28 additions and 2 deletions
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EGnStringUtils.h
+28 -2
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@@ -1,13 +1,14 @@
//----------------------------------------------------------------------------
// EgalTech 2013-2014
// EgalTech 2013-2025
//----------------------------------------------------------------------------
// File : EGnStringUtils.h Data : 17.03.14 Versione : 1.5c2
// File : EGnStringUtils.h Data : 18.09.25 Versione : 2.7i1
// Contenuto : Dichiarazione delle funzioni di utilità per le stringhe.
//
//
//
// Modifiche : 20.11.13 DS Creazione modulo.
// 20.10.15 DS Agg. FromString e ToString per std::array<double,N>.
// 18.09.25 DS Agg. FromString e ToString per long long.
//
//----------------------------------------------------------------------------
@@ -136,6 +137,10 @@ FromString( const std::string& sVal, unsigned int& nVal)
{ auto answer = fast_float::from_chars_advanced( sVal.data(), sVal.data() + sVal.size(), nVal, FAST_FLOAT_OPTS) ;
return ( answer.ec == std::errc() && answer.ptr != sVal.data()) ; }
inline bool
FromString( const std::string& sVal, long long& nVal)
{ auto answer = fast_float::from_chars_advanced( sVal.data(), sVal.data() + sVal.size(), nVal, FAST_FLOAT_OPTS) ;
return ( answer.ec == std::errc() && answer.ptr != sVal.data()) ; }
inline bool
FromString( const std::string& sVal, bool& bVal)
{ int nTmp ;
if ( ! FromString( sVal, nTmp))
@@ -226,6 +231,27 @@ ToString( unsigned int nVal, int nPrec = 1, int nRadix = 10, int* pnErr = nullpt
*pnErr = 0 ;
return szBuff ;
}
EGN_EXPORT const std::string ToStringAdv( long long nVal, int nPrec = 1, int nRadix = 10, int* pnErr = nullptr) ;
inline const std::string
ToString( long long nVal, int nPrec = 1, int nRadix = 10, int* pnErr = nullptr)
{
// se necessario processing avanzato
if ( nPrec > 1 || nRadix < 6)
return ToStringAdv( nVal, nPrec, nRadix, pnErr) ;
// eseguo conversione
const int nBuffSize = 16 ;
char szBuff[nBuffSize]{} ;
auto Res = std::to_chars( szBuff, szBuff + nBuffSize - 1, nVal, nRadix) ;
if ( Res.ec != std::errc()) {
if ( pnErr != nullptr)
*pnErr = int( Res.ec) ;
return "#Error" ;
}
// gestione codice di errore
if ( pnErr != nullptr)
*pnErr = 0 ;
return szBuff ;
}
template <size_t size>
const std::string ToString( const int (&nVal)[size], int nPrec = 1)
{ std::string sDest ; sDest.reserve( 8 * size) ;