/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#include <stringconversiontools.hxx>
#include <rtl/math.hxx>
namespace basegfx::internal
{
void skipSpaces(sal_Int32& io_rPos,
std::u16string_view rStr,
const sal_Int32 nLen)
{
while ( io_rPos < nLen &&
rStr[io_rPos] == ' ' )
{
++io_rPos;
}
}
static void skipSpacesAndCommas(sal_Int32& io_rPos,
std::u16string_view rStr,
const sal_Int32 nLen)
{
while (io_rPos < nLen
&& (rStr[io_rPos] == ' ' || rStr[io_rPos] == ',' ))
{
++io_rPos;
}
}
static bool getDoubleChar(double & o_fRetval,
sal_Int32& io_rPos,
std::u16string_view rStr)
{
const sal_Int64 nStrSize = rStr.size();
sal_Unicode aChar = io_rPos < nStrSize ? rStr[io_rPos] : 0 ;
const sal_Int32 nStartPos = io_rPos;
// sign
if (aChar == '+' || aChar == '-' )
{
aChar = rStr[++io_rPos];
}
// numbers before point
while ('0' <= aChar && '9' >= aChar)
{
io_rPos++;
aChar = io_rPos < nStrSize ? rStr[io_rPos] : 0 ;
}
// point
if (aChar == '.' )
{
io_rPos++;
aChar = io_rPos < nStrSize ? rStr[io_rPos] : 0 ;
}
// numbers after point
while ('0' <= aChar && '9' >= aChar)
{
io_rPos++;
aChar = io_rPos < nStrSize ? rStr[io_rPos] : 0 ;
}
// 'e'
if (aChar == 'e' || aChar == 'E' )
{
io_rPos++;
aChar = io_rPos < nStrSize ? rStr[io_rPos] : 0 ;
// sign for 'e'
if (aChar == '+' || aChar == '-' )
{
io_rPos++;
aChar = io_rPos < nStrSize ? rStr[io_rPos] : 0 ;
}
// number for 'e'
while ('0' <= aChar && '9' >= aChar)
{
io_rPos++;
aChar = io_rPos < nStrSize ? rStr[io_rPos] : 0 ;
}
}
const sal_Int32 nLen = io_rPos - nStartPos;
if (nLen)
{
rStr = rStr.substr(nStartPos, nLen);
rtl_math_ConversionStatus eStatus;
o_fRetval = ::rtl::math::stringToDouble( rStr,
'.' ,
',' ,
&eStatus );
return ( eStatus == rtl_math_ConversionStatus_Ok );
}
return false ;
}
bool importDoubleAndSpaces(double & o_fRetval,
sal_Int32& io_rPos,
std::u16string_view rStr,
const sal_Int32 nLen )
{
if ( !getDoubleChar(o_fRetval, io_rPos, rStr) )
return false ;
skipSpacesAndCommas(io_rPos, rStr, nLen);
return true ;
}
bool importFlagAndSpaces(sal_Int32& o_nRetval,
sal_Int32& io_rPos,
std::u16string_view rStr,
const sal_Int32 nLen)
{
sal_Unicode aChar( rStr[io_rPos] );
if (aChar == '0' )
{
o_nRetval = 0 ;
++io_rPos;
}
else if (aChar == '1' )
{
o_nRetval = 1 ;
++io_rPos;
}
else
return false ;
skipSpacesAndCommas(io_rPos, rStr, nLen);
return true ;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=94 H=88 G=90
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-28)
¤
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