Dario Sassi
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2015-2015
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//----------------------------------------------------------------------------
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// File : EgnStringKeyVal.h Data : 23.05.15 Versione : 1.6e3
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// Contenuto : Funzioni per gestione coppie chiave-valore in stringhe.
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//
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//
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//
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// Modifiche : 23.05.15 DS Creazione modulo.
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//
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include "/EgtDev/Include/EgnStringUtils.h"
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//----------------------------------------------------------------------------
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static const char EQUAL = '=' ;
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//----------------------------------------------------------------------------
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inline bool
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FindKey( const std::string& sString, const std::string& sKey)
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{
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return ( sString.compare( 0, sKey.length(), sKey) == 0 &&
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sString.length() > sKey.length() &&
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sString[sKey.length()] == EQUAL) ;
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}
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//----------------------------------------------------------------------------
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inline bool
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IsValidKey( const std::string& sString)
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{
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return ( ! sString.empty() &&
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sString.find( '\n') == std::string::npos &&
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sString.find_first_not_of( " \t\r\n") != std::string::npos) ;
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}
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//----------------------------------------------------------------------------
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inline bool
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IsValidVal( const std::string& sString)
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{
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return ( sString.empty() ||
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( sString.find( '\n') == std::string::npos &&
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sString.find_first_not_of( " \t\r\n") != std::string::npos)) ;
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}
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//----------------------------------------------------------------------------
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inline bool
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SetVal( const std::string& sKey, const std::string& sVal, std::string& sString)
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{
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if ( ! IsValidKey( sKey) || ! IsValidVal( sVal))
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return false ;
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sString = sKey + EQUAL + sVal ;
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return true ;
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}
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//----------------------------------------------------------------------------
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template <class T>
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inline bool
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SetVal( const std::string& sKey, T& Val, std::string& sString)
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{
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return SetVal( sKey, ToString( Val), sString) ;
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}
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//----------------------------------------------------------------------------
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inline bool
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GetVal( const std::string& sString, const std::string& sKey, std::string& sVal)
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{
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if ( ! IsValidKey( sKey))
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return false ;
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if ( ! FindKey( sString, sKey))
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return false ;
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sVal = sString.substr( sKey.length() + 1) ;
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return true ;
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}
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//----------------------------------------------------------------------------
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template <class T>
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inline bool
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GetVal( const std::string& sString, const std::string& sKey, T& Val)
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{
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std::string sVal ;
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return ( GetVal( sString, sKey, sVal) && FromString( sVal, Val)) ;
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}
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