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+/* -*- 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 <stdlib.h>
+
+#include <sbxform.hxx>
+#include <rtl/ustrbuf.hxx>
+
+#include <rtl/character.hxx>
+#include <o3tl/string_view.hxx>
+#include <utility>
+
+/*
+TODO: are there any Star-Basic characteristics unconsidered?
+
+ what means: * as placeholder
+
+COMMENT: Visual-Basic treats the following (invalid) format-strings
+ as shown:
+
+ ##0##.##0## --> ##000.000##
+
+ (this class behaves the same way)
+*/
+
+#include <stdio.h>
+#include <float.h>
+#include <math.h>
+
+#define NO_DIGIT_ -1
+
+#define MAX_NO_OF_DIGITS DBL_DIG
+#define MAX_DOUBLE_BUFFER_LENGTH MAX_NO_OF_DIGITS + 9
+ // +1 for leading sign
+ // +1 for digit before the decimal point
+ // +1 for decimal point
+ // +2 for exponent E and exp. leading sign
+ // +3 for the exponent's value
+ // +1 for closing 0
+
+#define CREATE_1000SEP_CHAR '@'
+
+#define FORMAT_SEPARATOR ';'
+
+// predefined formats for the Format$()-command:
+constexpr OUStringLiteral BASICFORMAT_GENERALNUMBER = u"General Number";
+constexpr OUStringLiteral BASICFORMAT_CURRENCY = u"Currency";
+constexpr OUStringLiteral BASICFORMAT_FIXED = u"Fixed";
+constexpr OUStringLiteral BASICFORMAT_STANDARD = u"Standard";
+constexpr OUStringLiteral BASICFORMAT_PERCENT = u"Percent";
+constexpr OUStringLiteral BASICFORMAT_SCIENTIFIC = u"Scientific";
+constexpr OUStringLiteral BASICFORMAT_YESNO = u"Yes/No";
+constexpr OUStringLiteral BASICFORMAT_TRUEFALSE = u"True/False";
+constexpr OUStringLiteral BASICFORMAT_ONOFF = u"On/Off";
+
+// Comment: Visual-Basic has a maximum of 12 positions after the
+// decimal point for floating-point-numbers.
+// all format-strings are compatible to Visual-Basic:
+constexpr OUStringLiteral GENERALNUMBER_FORMAT = u"0.############";
+constexpr OUStringLiteral FIXED_FORMAT = u"0.00";
+constexpr OUStringLiteral STANDARD_FORMAT = u"@0.00";
+constexpr OUStringLiteral PERCENT_FORMAT = u"0.00%";
+constexpr OUStringLiteral SCIENTIFIC_FORMAT = u"#.00E+00";
+// Comment: the character @ means that thousand-separators shall
+// be generated. That's a StarBasic 'extension'.
+
+
+static double get_number_of_digits( double dNumber )
+//double floor_log10_fabs( double dNumber )
+{
+ if( dNumber==0.0 )
+ return 0.0; // used to be 1.0, now 0.0 because of #40025;
+ else
+ return floor( log10( fabs( dNumber ) ) );
+}
+
+
+SbxBasicFormater::SbxBasicFormater( sal_Unicode _cDecPoint, sal_Unicode _cThousandSep,
+ OUString _sOnStrg,
+ OUString _sOffStrg,
+ OUString _sYesStrg,
+ OUString _sNoStrg,
+ OUString _sTrueStrg,
+ OUString _sFalseStrg,
+ OUString _sCurrencyStrg,
+ OUString _sCurrencyFormatStrg )
+ : cDecPoint(_cDecPoint)
+ , cThousandSep(_cThousandSep)
+ , sOnStrg(std::move(_sOnStrg))
+ , sOffStrg(std::move(_sOffStrg))
+ , sYesStrg(std::move(_sYesStrg))
+ , sNoStrg(std::move(_sNoStrg))
+ , sTrueStrg(std::move(_sTrueStrg))
+ , sFalseStrg(std::move(_sFalseStrg))
+ , sCurrencyStrg(std::move(_sCurrencyStrg))
+ , sCurrencyFormatStrg(std::move(_sCurrencyFormatStrg))
+ , dNum(0.0)
+ , nNumExp(0)
+ , nExpExp(0)
+{
+}
+
+// function to output an error-text (for debugging)
+// displaces all characters of the string, starting from nStartPos
+// for one position to larger indexes, i. e. place for a new
+// character (which is to be inserted) is created.
+// ATTENTION: the string MUST be long enough!
+inline void SbxBasicFormater::ShiftString( OUStringBuffer& sStrg, sal_uInt16 nStartPos )
+{
+ sStrg.remove(nStartPos,1);
+}
+
+void SbxBasicFormater::AppendDigit( OUStringBuffer& sStrg, short nDigit )
+{
+ if( nDigit>=0 && nDigit<=9 )
+ {
+ sStrg.append(static_cast<sal_Unicode>(nDigit+'0'));
+ }
+}
+
+void SbxBasicFormater::LeftShiftDecimalPoint( OUStringBuffer& sStrg )
+{
+ sal_Int32 nPos = -1;
+
+ for(sal_Int32 i = 0; i < sStrg.getLength(); i++)
+ {
+ if(sStrg[i] == cDecPoint)
+ {
+ nPos = i;
+ break;
+ }
+ }
+ if( nPos >= 0 )
+ {
+ sStrg[nPos] = sStrg[nPos - 1];
+ sStrg[nPos - 1] = cDecPoint;
+ }
+}
+
+// returns a flag if rounding a 9
+void SbxBasicFormater::StrRoundDigit( OUStringBuffer& sStrg, short nPos, bool& bOverflow )
+{
+ if( nPos<0 )
+ {
+ return;
+ }
+ bOverflow = false;
+ sal_Unicode c = sStrg[nPos];
+ if( nPos > 0 && (c == cDecPoint || c == cThousandSep) )
+ {
+ StrRoundDigit( sStrg, nPos - 1, bOverflow );
+ // CHANGE from 9.3.1997: end the method immediately after recursive call!
+ return;
+ }
+ // skip non-digits:
+ // COMMENT:
+ // in a valid format-string the number's output should be done
+ // in one piece, i. e. special characters should ONLY be in
+ // front OR behind the number and not right in the middle of
+ // the format information for the number
+ while( nPos >= 0 && ! rtl::isAsciiDigit(sStrg[nPos]))
+ {
+ nPos--;
+ }
+ if( nPos==-1 )
+ {
+ ShiftString( sStrg, 0 );
+ sStrg[0] = '1';
+ bOverflow = true;
+ }
+ else
+ {
+ sal_Unicode c2 = sStrg[nPos];
+ if( rtl::isAsciiDigit(c2) )
+ {
+ if( c2 == '9' )
+ {
+ sStrg[nPos] = '0';
+ StrRoundDigit( sStrg, nPos - 1, bOverflow );
+ }
+ else
+ {
+ sStrg[nPos] = c2 + 1;
+ }
+ }
+ else
+ {
+ ShiftString( sStrg,nPos+1 );
+ sStrg[nPos + 1] = '1';
+ bOverflow = true;
+ }
+ }
+}
+
+void SbxBasicFormater::StrRoundDigit( OUStringBuffer& sStrg, short nPos )
+{
+ bool bOverflow;
+
+ StrRoundDigit( sStrg, nPos, bOverflow );
+}
+
+void SbxBasicFormater::ParseBack( OUStringBuffer& sStrg, std::u16string_view sFormatStrg,
+ short nFormatPos )
+{
+ for( sal_Int32 i = nFormatPos;
+ i>0 && sFormatStrg[ i ] == '#' && sStrg[sStrg.getLength() - 1] == '0';
+ i-- )
+ {
+ sStrg.setLength(sStrg.getLength() - 1 );
+ }
+}
+
+void SbxBasicFormater::InitScan( double _dNum )
+{
+ char sBuffer[ MAX_DOUBLE_BUFFER_LENGTH ];
+
+ dNum = _dNum;
+ InitExp( get_number_of_digits( dNum ) );
+ // maximum of 15 positions behind the decimal point, example: -1.234000000000000E-001
+ /*int nCount =*/ sprintf( sBuffer,"%+22.15lE",dNum );
+ sSciNumStrg = OUString::createFromAscii( sBuffer );
+}
+
+
+void SbxBasicFormater::InitExp( double _dNewExp )
+{
+ char sBuffer[ MAX_DOUBLE_BUFFER_LENGTH ];
+ nNumExp = static_cast<short>(_dNewExp);
+ /*int nCount =*/ sprintf( sBuffer,"%+i",nNumExp );
+ sNumExpStrg = OUString::createFromAscii( sBuffer );
+ nExpExp = static_cast<short>(get_number_of_digits( static_cast<double>(nNumExp) ));
+}
+
+
+short SbxBasicFormater::GetDigitAtPosScan( short nPos, bool& bFoundFirstDigit )
+{
+ // trying to read a higher digit,
+ // e. g. position 4 in 1.234,
+ // or to read a digit outside of the
+ // number's dissolution (double)
+ if( nPos>nNumExp || abs(nNumExp-nPos)>MAX_NO_OF_DIGITS )
+ {
+ return NO_DIGIT_;
+ }
+ // determine the index of the position in the number-string:
+ // skip the leading sign
+ sal_uInt16 no = 1;
+ // skip the decimal point if necessary
+ if( nPos<nNumExp )
+ no++;
+ no += nNumExp-nPos;
+ // query of the number's first valid digit --> set flag
+ if( nPos==nNumExp )
+ bFoundFirstDigit = true;
+ return static_cast<short>(sSciNumStrg[ no ] - '0');
+}
+
+short SbxBasicFormater::GetDigitAtPosExpScan( short nPos, bool& bFoundFirstDigit )
+{
+ if( nPos>nExpExp )
+ return -1;
+
+ sal_uInt16 no = 1;
+ no += nExpExp-nPos;
+
+ if( nPos==nExpExp )
+ bFoundFirstDigit = true;
+ return static_cast<short>(sNumExpStrg[ no ] - '0');
+}
+
+// a value for the exponent can be given because the number maybe shall
+// not be displayed in a normed way (e. g. 1.2345e-03) but maybe 123.345e-3 !
+short SbxBasicFormater::GetDigitAtPosExpScan( double dNewExponent, short nPos,
+ bool& bFoundFirstDigit )
+{
+ InitExp( dNewExponent );
+
+ return GetDigitAtPosExpScan( nPos,bFoundFirstDigit );
+}
+
+// Copies the respective part of the format-string, if existing, and returns it.
+// So a new string is created, which has to be freed by the caller later.
+OUString SbxBasicFormater::GetPosFormatString( std::u16string_view sFormatStrg, bool & bFound )
+{
+ bFound = false; // default...
+ size_t nPos = sFormatStrg.find( FORMAT_SEPARATOR );
+
+ if( nPos != std::u16string_view::npos )
+ {
+ bFound = true;
+ // the format-string for positive numbers is
+ // everything before the first ';'
+ return OUString(sFormatStrg.substr( 0,nPos ));
+ }
+
+ return OUString();
+}
+
+// see also GetPosFormatString()
+OUString SbxBasicFormater::GetNegFormatString( std::u16string_view sFormatStrg, bool & bFound )
+{
+ bFound = false; // default...
+ size_t nPos = sFormatStrg.find( FORMAT_SEPARATOR );
+
+ if( nPos != std::u16string_view::npos)
+ {
+ // the format-string for negative numbers is
+ // everything between the first and the second ';'
+ std::u16string_view sTempStrg = sFormatStrg.substr( nPos+1 );
+ nPos = sTempStrg.find( FORMAT_SEPARATOR );
+ bFound = true;
+ if( nPos == std::u16string_view::npos )
+ {
+ return OUString(sTempStrg);
+ }
+ else
+ {
+ return OUString(sTempStrg.substr( 0,nPos ));
+ }
+ }
+ return OUString();
+}
+
+// see also GetPosFormatString()
+OUString SbxBasicFormater::Get0FormatString( std::u16string_view sFormatStrg, bool & bFound )
+{
+ bFound = false; // default...
+ size_t nPos = sFormatStrg.find( FORMAT_SEPARATOR );
+
+ if( nPos != std::u16string_view::npos )
+ {
+ // the format string for the zero is
+ // everything after the second ';'
+ std::u16string_view sTempStrg = sFormatStrg.substr( nPos+1 );
+ nPos = sTempStrg.find( FORMAT_SEPARATOR );
+ if( nPos != std::u16string_view::npos )
+ {
+ bFound = true;
+ sTempStrg = sTempStrg.substr( nPos+1 );
+ nPos = sTempStrg.find( FORMAT_SEPARATOR );
+ if( nPos == std::u16string_view::npos )
+ {
+ return OUString(sTempStrg);
+ }
+ else
+ {
+ return OUString(sTempStrg.substr( 0,nPos ));
+ }
+ }
+ }
+
+ return OUString();
+}
+
+// see also GetPosFormatString()
+OUString SbxBasicFormater::GetNullFormatString( std::u16string_view sFormatStrg, bool & bFound )
+{
+ bFound = false; // default...
+ size_t nPos = sFormatStrg.find( FORMAT_SEPARATOR );
+
+ if( nPos != std::u16string_view::npos )
+ {
+ // the format-string for the Null is
+ // everything after the third ';'
+ std::u16string_view sTempStrg = sFormatStrg.substr( nPos+1 );
+ nPos = sTempStrg.find( FORMAT_SEPARATOR );
+ if( nPos != std::u16string_view::npos )
+ {
+ sTempStrg = sTempStrg.substr( nPos+1 );
+ nPos = sTempStrg.find( FORMAT_SEPARATOR );
+ if( nPos != std::u16string_view::npos )
+ {
+ bFound = true;
+ return OUString(sTempStrg.substr( nPos+1 ));
+ }
+ }
+ }
+
+ return OUString();
+}
+
+// returns value <> 0 in case of an error
+void SbxBasicFormater::AnalyseFormatString( const OUString& sFormatStrg,
+ short& nNoOfDigitsLeft, short& nNoOfDigitsRight,
+ short& nNoOfOptionalDigitsLeft,
+ short& nNoOfExponentDigits, short& nNoOfOptionalExponentDigits,
+ bool& bPercent, bool& bCurrency, bool& bScientific,
+ bool& bGenerateThousandSeparator,
+ short& nMultipleThousandSeparators )
+{
+ sal_Int32 nLen;
+ short nState = 0;
+
+ nLen = sFormatStrg.getLength();
+ nNoOfDigitsLeft = 0;
+ nNoOfDigitsRight = 0;
+ nNoOfOptionalDigitsLeft = 0;
+ nNoOfExponentDigits = 0;
+ nNoOfOptionalExponentDigits = 0;
+ bPercent = false;
+ bCurrency = false;
+ bScientific = false;
+ // from 11.7.97: as soon as a comma (point?) is found in the format string,
+ // all three decimal powers are marked (i. e. thousand, million, ...)
+ bGenerateThousandSeparator = sFormatStrg.indexOf( ',' ) >= 0;
+ nMultipleThousandSeparators = 0;
+
+ for( sal_Int32 i = 0; i < nLen; i++ )
+ {
+ sal_Unicode c = sFormatStrg[ i ];
+ switch( c )
+ {
+ case '#':
+ case '0':
+ if( nState==0 )
+ {
+ nNoOfDigitsLeft++;
+// TODO here maybe better error inspection of the mantissa for valid syntax (see grammar)h
+ // ATTENTION: 'undefined' behaviour if # and 0 are combined!
+ // REMARK: #-placeholders are actually useless for
+ // scientific display before the decimal point!
+ if( c=='#' )
+ {
+ nNoOfOptionalDigitsLeft++;
+ }
+ }
+ else if( nState==1 )
+ {
+ nNoOfDigitsRight++;
+ }
+ else if( nState==-1 ) // search 0 in the exponent
+ {
+ if( c=='#' ) // # switches on the condition
+ {
+ nNoOfOptionalExponentDigits++;
+ nState = -2;
+ }
+ nNoOfExponentDigits++;
+ }
+ else if( nState==-2 ) // search # in the exponent
+ {
+ if( c=='0' )
+ {
+ // ERROR: 0 after # in the exponent is NOT allowed!!
+ return;
+ }
+ nNoOfOptionalExponentDigits++;
+ nNoOfExponentDigits++;
+ }
+ break;
+ case '.':
+ nState++;
+ if( nState>1 )
+ {
+ return; // ERROR: too many decimal points
+ }
+ break;
+ case '%':
+ bPercent = true;
+ break;
+ case '(':
+ bCurrency = true;
+ break;
+ case ',':
+ {
+ sal_Unicode ch = sFormatStrg[ i+1 ];
+
+ if( ch!=0 && (ch==',' || ch=='.') )
+ {
+ nMultipleThousandSeparators++;
+ }
+ }
+ break;
+ case 'e':
+ case 'E':
+ // #i13821 not when no digits before
+ if( nNoOfDigitsLeft > 0 || nNoOfDigitsRight > 0 )
+ {
+ nState = -1; // abort counting digits
+ bScientific = true;
+ }
+ break;
+ // OWN command-character which turns on
+ // the creation of thousand-separators
+ case '\\':
+ // Ignore next char
+ i++;
+ break;
+ case CREATE_1000SEP_CHAR:
+ bGenerateThousandSeparator = true;
+ break;
+ }
+ }
+}
+
+// the flag bCreateSign says that at the mantissa a leading sign
+// shall be created
+void SbxBasicFormater::ScanFormatString( double dNumber,
+ const OUString& sFormatStrg, OUString& sReturnStrgFinal,
+ bool bCreateSign )
+{
+ short /*nErr,*/nNoOfDigitsLeft,nNoOfDigitsRight,nNoOfOptionalDigitsLeft,
+ nNoOfExponentDigits,nNoOfOptionalExponentDigits,
+ nMultipleThousandSeparators;
+ bool bPercent,bCurrency,bScientific,bGenerateThousandSeparator;
+
+ OUStringBuffer sReturnStrg(32);
+
+ // analyse the format-string, i. e. determine the following values:
+ /*
+ - number of digits before decimal point
+ - number of digits after decimal point
+ - optional digits before decimal point
+ - number of digits in the exponent
+ - optional digits in the exponent
+ - percent-character found?
+ - () for negative leading sign?
+ - exponential-notation?
+ - shall thousand-separators be generated?
+ - is a percent-character being found? --> dNumber *= 100.0;
+ - are there thousand-separators in a row?
+ ,, or ,. --> dNumber /= 1000.0;
+ - other errors? multiple decimal points, E's, etc.
+ --> errors are simply ignored at the moment
+ */
+ AnalyseFormatString( sFormatStrg, nNoOfDigitsLeft, nNoOfDigitsRight,
+ nNoOfOptionalDigitsLeft, nNoOfExponentDigits,
+ nNoOfOptionalExponentDigits,
+ bPercent, bCurrency, bScientific,
+ bGenerateThousandSeparator, nMultipleThousandSeparators );
+ // special handling for special characters
+ if( bPercent )
+ {
+ dNumber *= 100.0;
+ }
+// TODO: this condition (,, or ,.) is NOT Visual-Basic compatible!
+ // Question: shall this stay here (requirements)?
+ if( nMultipleThousandSeparators )
+ {
+ dNumber /= 1000.0;
+ }
+ double dExponent;
+ short i,nLen;
+ short nState,nDigitPos,nExponentPos,nMaxDigit,nMaxExponentDigit;
+ bool bFirstDigit,bFirstExponentDigit,bFoundFirstDigit,
+ bIsNegative,bZeroSpaceOn, bSignHappend,bDigitPosNegative;
+
+ bSignHappend = false;
+ bFoundFirstDigit = false;
+ bIsNegative = dNumber < 0.0;
+ nLen = sFormatStrg.getLength();
+ dExponent = get_number_of_digits( dNumber );
+ nExponentPos = 0;
+ nMaxExponentDigit = 0;
+ nMaxDigit = static_cast<short>(dExponent);
+ bDigitPosNegative = false;
+ if( bScientific )
+ {
+ dExponent = dExponent - static_cast<double>(nNoOfDigitsLeft-1);
+ nDigitPos = nMaxDigit;
+ nMaxExponentDigit = static_cast<short>(get_number_of_digits( dExponent ));
+ nExponentPos = nNoOfExponentDigits - 1 - nNoOfOptionalExponentDigits;
+ }
+ else
+ {
+ nDigitPos = nNoOfDigitsLeft - 1; // counting starts at 0, 10^0
+ // no exponent-data is needed here!
+ bDigitPosNegative = (nDigitPos < 0);
+ }
+ bFirstDigit = true;
+ bFirstExponentDigit = true;
+ nState = 0; // 0 --> mantissa; 1 --> exponent
+ bZeroSpaceOn = false;
+
+
+ InitScan( dNumber );
+ // scanning the format-string:
+ sal_Unicode cForce = 0;
+ for( i = 0; i < nLen; i++ )
+ {
+ sal_Unicode c;
+ if( cForce )
+ {
+ c = cForce;
+ cForce = 0;
+ }
+ else
+ {
+ c = sFormatStrg[ i ];
+ }
+ switch( c )
+ {
+ case '0':
+ case '#':
+ if( nState==0 )
+ {
+ // handling of the mantissa
+ if( bFirstDigit )
+ {
+ // remark: at bCurrency the negative
+ // leading sign shall be shown with ()
+ if( bIsNegative && !bCreateSign && !bSignHappend )
+ {
+ bSignHappend = true;
+ sReturnStrg.append('-');
+ }
+ // output redundant positions, i. e. those which
+ // are undocumented by the format-string
+ if( nMaxDigit > nDigitPos )
+ {
+ for( short j = nMaxDigit; j > nDigitPos; j-- )
+ {
+ short nTempDigit = GetDigitAtPosScan( j, bFoundFirstDigit );
+ AppendDigit( sReturnStrg, nTempDigit );
+ if( nTempDigit != NO_DIGIT_ )
+ {
+ bFirstDigit = false;
+ }
+ // coverity[copy_paste_error : FALSE] - this is correct and nDigitPos should not be j
+ if( bGenerateThousandSeparator && ( c=='0' || nMaxDigit >= nDigitPos ) && j > 0 && (j % 3 == 0) )
+ {
+ sReturnStrg.append(cThousandSep );
+ }
+ }
+ }
+ }
+
+ if( nMaxDigit<nDigitPos && ( c=='0' || bZeroSpaceOn ) )
+ {
+ AppendDigit( sReturnStrg, 0 );
+ bFirstDigit = false;
+ bZeroSpaceOn = true;
+ // Remark: in Visual-Basic the first 0 turns on the 0 for
+ // all the following # (up to the decimal point),
+ // this behaviour is simulated here with the flag.
+ if (bGenerateThousandSeparator && c == '0' && nDigitPos > 0 && (nDigitPos % 3 == 0))
+ {
+ sReturnStrg.append(cThousandSep);
+ }
+ }
+ else
+ {
+ short nTempDigit = GetDigitAtPosScan( nDigitPos, bFoundFirstDigit ) ;
+ AppendDigit( sReturnStrg, nTempDigit );
+
+ if( nTempDigit != NO_DIGIT_ )
+ {
+ bFirstDigit = false;
+ }
+ if( bGenerateThousandSeparator && ( c=='0' || nMaxDigit>=nDigitPos ) && nDigitPos>0 && (nDigitPos % 3 == 0) )
+ {
+ sReturnStrg.append(cThousandSep);
+ }
+ }
+ nDigitPos--;
+ }
+ else
+ {
+ // handling the exponent
+ if( bFirstExponentDigit )
+ {
+ // leading sign has been given out at e/E already
+ bFirstExponentDigit = false;
+ if( nMaxExponentDigit > nExponentPos )
+ // output redundant positions, i. e. those which
+ // are undocumented by the format-string
+ {
+ for( short j = nMaxExponentDigit; j > nExponentPos; j-- )
+ {
+ AppendDigit( sReturnStrg, GetDigitAtPosExpScan( dExponent, j, bFoundFirstDigit ) );
+ }
+ }
+ }
+
+ if( nMaxExponentDigit < nExponentPos && c=='0' )
+ {
+ AppendDigit( sReturnStrg, 0 );
+ }
+ else
+ {
+ AppendDigit( sReturnStrg, GetDigitAtPosExpScan( dExponent, nExponentPos, bFoundFirstDigit ) );
+ }
+ nExponentPos--;
+ }
+ break;
+ case '.':
+ if( bDigitPosNegative ) // #i13821: If no digits before .
+ {
+ bDigitPosNegative = false;
+ nDigitPos = 0;
+ cForce = '#';
+ i-=2;
+ break;
+ }
+ sReturnStrg.append(cDecPoint);
+ break;
+ case '%':
+ // maybe remove redundant 0s, e. g. 4.500e4 in 0.0##e-00
+ ParseBack( sReturnStrg, sFormatStrg, i-1 );
+ sReturnStrg.append('%');
+ break;
+ case 'e':
+ case 'E':
+ // does mantissa have to be rounded, before the exponent is displayed?
+ {
+ // is there a mantissa at all?
+ if( bFirstDigit )
+ {
+ // apparently not, i. e. invalid format string, e. g. E000.00
+ // so ignore these e and E characters
+ // maybe output an error (like in Visual Basic)?
+
+ // #i13821: VB 6 behaviour
+ sReturnStrg.append(c);
+ break;
+ }
+
+ bool bOverflow = false;
+ short nNextDigit = GetDigitAtPosScan( nDigitPos, bFoundFirstDigit );
+ if( nNextDigit>=5 )
+ {
+ StrRoundDigit( sReturnStrg, sReturnStrg.getLength() - 1, bOverflow );
+ }
+ if( bOverflow )
+ {
+ // a leading 9 has been rounded
+ LeftShiftDecimalPoint( sReturnStrg );
+ sReturnStrg[sReturnStrg.getLength() - 1] = 0;
+ dExponent += 1.0;
+ }
+ // maybe remove redundant 0s, e. g. 4.500e4 in 0.0##e-00
+ ParseBack( sReturnStrg, sFormatStrg, i-1 );
+ }
+ // change the scanner's condition
+ nState++;
+ // output exponent character
+ sReturnStrg.append(c);
+ // i++; // MANIPULATION of the loop-variable!
+ c = sFormatStrg[ ++i ];
+ // output leading sign / exponent
+ if( c != 0 )
+ {
+ if( c == '-' )
+ {
+ if( dExponent < 0.0 )
+ {
+ sReturnStrg.append('-');
+ }
+ }
+ else if( c == '+' )
+ {
+ if( dExponent < 0.0 )
+ {
+ sReturnStrg.append('-');
+ }
+ else
+ {
+ sReturnStrg.append('+');
+ }
+ }
+ }
+ break;
+ case ',':
+ break;
+ case ';':
+ break;
+ case '(':
+ case ')':
+ // maybe remove redundant 0s, e. g. 4.500e4 in 0.0##e-00
+ ParseBack( sReturnStrg, sFormatStrg, i-1 );
+ if( bIsNegative )
+ {
+ sReturnStrg.append(c);
+ }
+ break;
+ case '$':
+ // append the string for the currency:
+ sReturnStrg.append(sCurrencyStrg);
+ break;
+ case ' ':
+ case '-':
+ case '+':
+ ParseBack( sReturnStrg, sFormatStrg, i-1 );
+ sReturnStrg.append(c);
+ break;
+ case '\\':
+ ParseBack( sReturnStrg, sFormatStrg, i-1 );
+ // special character found, output next
+ // character directly (if existing)
+ c = sFormatStrg[ ++i ];
+ if( c!=0 )
+ {
+ sReturnStrg.append(c);
+ }
+ break;
+ case CREATE_1000SEP_CHAR:
+ // ignore here, action has already been
+ // executed in AnalyseFormatString
+ break;
+ default:
+ // output characters and digits, too (like in Visual-Basic)
+ if( ( c>='a' && c<='z' ) ||
+ ( c>='A' && c<='Z' ) ||
+ ( c>='1' && c<='9' ) )
+ {
+ sReturnStrg.append(c);
+ }
+ }
+ }
+
+ // scan completed - rounding necessary?
+ if( !bScientific )
+ {
+ short nNextDigit = GetDigitAtPosScan( nDigitPos, bFoundFirstDigit );
+ if( nNextDigit>=5 )
+ {
+ StrRoundDigit( sReturnStrg, sReturnStrg.getLength() - 1 );
+ }
+ }
+
+ if( nNoOfDigitsRight>0 )
+ {
+ ParseBack( sReturnStrg, sFormatStrg, sFormatStrg.getLength()-1 );
+ }
+ sReturnStrgFinal = sReturnStrg.makeStringAndClear();
+}
+
+OUString SbxBasicFormater::BasicFormatNull( std::u16string_view sFormatStrg )
+{
+ bool bNullFormatFound;
+ OUString sNullFormatStrg = GetNullFormatString( sFormatStrg, bNullFormatFound );
+
+ if( bNullFormatFound )
+ {
+ return sNullFormatStrg;
+ }
+ return "null";
+}
+
+OUString SbxBasicFormater::BasicFormat( double dNumber, const OUString& _sFormatStrg )
+{
+ bool bPosFormatFound,bNegFormatFound,b0FormatFound;
+ OUString sFormatStrg = _sFormatStrg;
+
+ // analyse format-string concerning predefined formats:
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_GENERALNUMBER ) )
+ {
+ sFormatStrg = GENERALNUMBER_FORMAT;
+ }
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_CURRENCY ) )
+ {
+ sFormatStrg = sCurrencyFormatStrg;
+ }
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_FIXED ) )
+ {
+ sFormatStrg = FIXED_FORMAT;
+ }
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_STANDARD ) )
+ {
+ sFormatStrg = STANDARD_FORMAT;
+ }
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_PERCENT ) )
+ {
+ sFormatStrg = PERCENT_FORMAT;
+ }
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_SCIENTIFIC ) )
+ {
+ sFormatStrg = SCIENTIFIC_FORMAT;
+ }
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_YESNO ) )
+ {
+ return ( dNumber==0.0 ) ? sNoStrg : sYesStrg ;
+ }
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_TRUEFALSE ) )
+ {
+ return ( dNumber==0.0 ) ? sFalseStrg : sTrueStrg ;
+ }
+ if( sFormatStrg.equalsIgnoreAsciiCase( BASICFORMAT_ONOFF ) )
+ {
+ return ( dNumber==0.0 ) ? sOffStrg : sOnStrg ;
+ }
+
+ // analyse format-string concerning ';', i. e. format-strings for
+ // positive-, negative- and 0-values
+ OUString sPosFormatStrg = GetPosFormatString( sFormatStrg, bPosFormatFound );
+ OUString sNegFormatStrg = GetNegFormatString( sFormatStrg, bNegFormatFound );
+ OUString s0FormatStrg = Get0FormatString( sFormatStrg, b0FormatFound );
+
+ OUString sReturnStrg;
+ OUString sTempStrg;
+
+ if( dNumber==0.0 )
+ {
+ sTempStrg = sFormatStrg;
+ if( b0FormatFound )
+ {
+ if( s0FormatStrg.isEmpty() && bPosFormatFound )
+ {
+ sTempStrg = sPosFormatStrg;
+ }
+ else
+ {
+ sTempStrg = s0FormatStrg;
+ }
+ }
+ else if( bPosFormatFound )
+ {
+ sTempStrg = sPosFormatStrg;
+ }
+ ScanFormatString( dNumber, sTempStrg, sReturnStrg,/*bCreateSign=*/false );
+ }
+ else
+ {
+ if( dNumber<0.0 )
+ {
+ if( bNegFormatFound )
+ {
+ if( sNegFormatStrg.isEmpty() && bPosFormatFound )
+ {
+ sTempStrg = "-" + sPosFormatStrg;
+ }
+ else
+ {
+ sTempStrg = sNegFormatStrg;
+ }
+ }
+ else
+ {
+ sTempStrg = sFormatStrg;
+ }
+ // if NO format-string especially for negative
+ // values is given, output the leading sign
+ ScanFormatString( dNumber, sTempStrg, sReturnStrg,/*bCreateSign=*/bNegFormatFound/*sNegFormatStrg!=EMPTYFORMATSTRING*/ );
+ }
+ else // if( dNumber>0.0 )
+ {
+ ScanFormatString( dNumber,
+ (/*sPosFormatStrg!=EMPTYFORMATSTRING*/bPosFormatFound ? sPosFormatStrg : sFormatStrg),
+ sReturnStrg,/*bCreateSign=*/false );
+ }
+ }
+ return sReturnStrg;
+}
+
+bool SbxBasicFormater::isBasicFormat( std::u16string_view sFormatStrg )
+{
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_GENERALNUMBER ) )
+ {
+ return true;
+ }
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_CURRENCY ) )
+ {
+ return true;
+ }
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_FIXED ) )
+ {
+ return true;
+ }
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_STANDARD ) )
+ {
+ return true;
+ }
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_PERCENT ) )
+ {
+ return true;
+ }
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_SCIENTIFIC ) )
+ {
+ return true;
+ }
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_YESNO ) )
+ {
+ return true;
+ }
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_TRUEFALSE ) )
+ {
+ return true;
+ }
+ if( o3tl::equalsIgnoreAsciiCase( sFormatStrg, BASICFORMAT_ONOFF ) )
+ {
+ return true;
+ }
+ return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-07 15:50:23 +0000