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libreoffice/sc/source/core/tool/compare.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

334 lines
12 KiB
C++

/* -*- 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 <compare.hxx>
#include <document.hxx>
#include <docoptio.hxx>
#include <unotools/collatorwrapper.hxx>
#include <unotools/textsearch.hxx>
#include <unotools/transliterationwrapper.hxx>
#include <rtl/math.hxx>
#include <osl/diagnose.h>
namespace sc {
Compare::Cell::Cell() :
mfValue(0.0), mbValue(false), mbEmpty(false) {}
Compare::Compare() :
meOp(SC_EQUAL), mbIgnoreCase(true) {}
CompareOptions::CompareOptions( const ScDocument& rDoc, const ScQueryEntry& rEntry, utl::SearchParam::SearchType eSrchTyp ) :
aQueryEntry(rEntry),
eSearchType(eSrchTyp),
bMatchWholeCell(rDoc.GetDocOptions().IsMatchWholeCell())
{
// Wildcard and Regex search work only with equal or not equal.
if (eSearchType != utl::SearchParam::SearchType::Normal &&
aQueryEntry.eOp != SC_EQUAL && aQueryEntry.eOp != SC_NOT_EQUAL)
eSearchType = utl::SearchParam::SearchType::Normal;
// Interpreter functions usually are case insensitive, except the simple
// comparison operators, for which these options aren't used. Override in
// struct if needed.
}
double CompareFunc( const Compare& rComp, CompareOptions* pOptions )
{
const Compare::Cell& rCell1 = rComp.maCells[0];
const Compare::Cell& rCell2 = rComp.maCells[1];
// Keep DoubleError if encountered
// #i40539# if bEmpty is set, bVal/nVal are uninitialized
if (!rCell1.mbEmpty && rCell1.mbValue && !std::isfinite(rCell1.mfValue))
return rCell1.mfValue;
if (!rCell2.mbEmpty && rCell2.mbValue && !std::isfinite(rCell2.mfValue))
return rCell2.mfValue;
size_t nStringQuery = 0; // 0:=no, 1:=0, 2:=1
double fRes = 0;
if (rCell1.mbEmpty)
{
if (rCell2.mbEmpty)
; // empty cell == empty cell, fRes 0
else if (rCell2.mbValue)
{
if (rCell2.mfValue != 0.0)
{
if (rCell2.mfValue < 0.0)
fRes = 1; // empty cell > -x
else
fRes = -1; // empty cell < x
}
// else: empty cell == 0.0
}
else
{
if (!rCell2.maStr.isEmpty())
fRes = -1; // empty cell < "..."
// else: empty cell == ""
}
}
else if (rCell2.mbEmpty)
{
if (rCell1.mbValue)
{
if (rCell1.mfValue != 0.0)
{
if (rCell1.mfValue < 0.0)
fRes = -1; // -x < empty cell
else
fRes = 1; // x > empty cell
}
// else: empty cell == 0.0
}
else
{
if (!rCell1.maStr.isEmpty())
fRes = 1; // "..." > empty cell
// else: "" == empty cell
}
}
else if (rCell1.mbValue)
{
if (rCell2.mbValue)
{
if (!rtl::math::approxEqual(rCell1.mfValue, rCell2.mfValue))
{
if (rCell1.mfValue - rCell2.mfValue < 0)
fRes = -1;
else
fRes = 1;
}
}
else
{
fRes = -1; // number is less than string
nStringQuery = 2; // 1+1
}
}
else if (rCell2.mbValue)
{
fRes = 1; // string is greater than number
nStringQuery = 1; // 0+1
}
else
{
// Both strings.
if (pOptions)
{
// All similar to ScTable::ValidQuery(), *rComp.pVal[1] actually
// is/must be identical to *rEntry.pStr, which is essential for
// regex to work through GetSearchTextPtr().
ScQueryEntry& rEntry = pOptions->aQueryEntry;
OSL_ENSURE(rEntry.GetQueryItem().maString == rCell2.maStr, "ScInterpreter::CompareFunc: broken options");
if (pOptions->eSearchType != utl::SearchParam::SearchType::Normal)
{
sal_Int32 nStart = 0;
sal_Int32 nStop = rCell1.maStr.getLength();
bool bMatch = rEntry.GetSearchTextPtr( pOptions->eSearchType, !rComp.mbIgnoreCase,
pOptions->bMatchWholeCell)->SearchForward( rCell1.maStr.getString(), &nStart, &nStop);
if (bMatch && pOptions->bMatchWholeCell && (nStart != 0 || nStop != rCell1.maStr.getLength()))
bMatch = false; // RegEx must match entire string.
fRes = (bMatch ? 0 : 1);
}
else if (rEntry.eOp == SC_EQUAL || rEntry.eOp == SC_NOT_EQUAL)
{
::utl::TransliterationWrapper& rTransliteration =
ScGlobal::GetTransliteration(!rComp.mbIgnoreCase);
bool bMatch = false;
if (pOptions->bMatchWholeCell)
{
if (rComp.mbIgnoreCase)
bMatch = rCell1.maStr.getDataIgnoreCase() == rCell2.maStr.getDataIgnoreCase();
else
bMatch = rCell1.maStr.getData() == rCell2.maStr.getData();
}
else
{
const LanguageType nLang = ScGlobal::oSysLocale->GetLanguageTag().getLanguageType();
OUString aCell( rTransliteration.transliterate(
rCell1.maStr.getString(), nLang, 0,
rCell1.maStr.getLength(), nullptr));
OUString aQuer( rTransliteration.transliterate(
rCell2.maStr.getString(), nLang, 0,
rCell2.maStr.getLength(), nullptr));
bMatch = (aCell.indexOf( aQuer ) != -1);
}
fRes = (bMatch ? 0 : 1);
}
else if (rComp.mbIgnoreCase)
fRes = static_cast<double>(ScGlobal::GetCollator().compareString(
rCell1.maStr.getString(), rCell2.maStr.getString()));
else
fRes = static_cast<double>(ScGlobal::GetCaseCollator().compareString(
rCell1.maStr.getString(), rCell2.maStr.getString()));
}
else if (rComp.meOp == SC_EQUAL || rComp.meOp == SC_NOT_EQUAL)
{
if (rComp.mbIgnoreCase)
fRes = (rCell1.maStr.getDataIgnoreCase() == rCell2.maStr.getDataIgnoreCase()) ? 0 : 1;
else
fRes = (rCell1.maStr.getData() == rCell2.maStr.getData()) ? 0 : 1;
}
else if (rComp.mbIgnoreCase)
fRes = static_cast<double>(ScGlobal::GetCollator().compareString(
rCell1.maStr.getString(), rCell2.maStr.getString()));
else
fRes = static_cast<double>(ScGlobal::GetCaseCollator().compareString(
rCell1.maStr.getString(), rCell2.maStr.getString()));
}
if (nStringQuery && pOptions)
{
const ScQueryEntry& rEntry = pOptions->aQueryEntry;
const ScQueryEntry::QueryItemsType& rItems = rEntry.GetQueryItems();
if (!rItems.empty())
{
const ScQueryEntry::Item& rItem = rItems[0];
if (rItem.meType != ScQueryEntry::ByString && !rItem.maString.isEmpty() &&
(rEntry.eOp == SC_EQUAL || rEntry.eOp == SC_NOT_EQUAL))
{
// As in ScTable::ValidQuery() match a numeric string for a
// number query that originated from a string, e.g. in SUMIF
// and COUNTIF. Transliteration is not needed here.
bool bEqual = false;
if (nStringQuery == 1)
bEqual = rCell1.maStr == rItem.maString;
else
bEqual = rCell2.maStr == rItem.maString;
// match => fRes=0, else fRes=1
fRes = double((rEntry.eOp == SC_NOT_EQUAL) ? bEqual : !bEqual);
}
}
}
return fRes;
}
double CompareFunc( const Compare::Cell& rCell1, double fCell2, const CompareOptions* pOptions )
{
// Keep DoubleError if encountered
// #i40539# if bEmpty is set, bVal/nVal are uninitialized
if (!rCell1.mbEmpty && rCell1.mbValue && !std::isfinite(rCell1.mfValue))
return rCell1.mfValue;
if (!std::isfinite(fCell2))
return fCell2;
bool bStringQuery = false;
double fRes = 0;
if (rCell1.mbEmpty)
{
if (fCell2 != 0.0)
{
if (fCell2 < 0.0)
fRes = 1; // empty cell > -x
else
fRes = -1; // empty cell < x
}
// else: empty cell == 0.0
}
else if (rCell1.mbValue)
{
if (!rtl::math::approxEqual(rCell1.mfValue, fCell2))
{
if (rCell1.mfValue - fCell2 < 0)
fRes = -1;
else
fRes = 1;
}
}
else
{
fRes = 1; // string is greater than number
bStringQuery = true;
}
if (bStringQuery && pOptions)
{
const ScQueryEntry& rEntry = pOptions->aQueryEntry;
const ScQueryEntry::QueryItemsType& rItems = rEntry.GetQueryItems();
if (!rItems.empty())
{
const ScQueryEntry::Item& rItem = rItems[0];
if (rItem.meType != ScQueryEntry::ByString && !rItem.maString.isEmpty() &&
(rEntry.eOp == SC_EQUAL || rEntry.eOp == SC_NOT_EQUAL))
{
// As in ScTable::ValidQuery() match a numeric string for a
// number query that originated from a string, e.g. in SUMIF
// and COUNTIF. Transliteration is not needed here.
bool bEqual = rCell1.maStr == rItem.maString;
// match => fRes=0, else fRes=1
fRes = double((rEntry.eOp == SC_NOT_EQUAL) ? bEqual : !bEqual);
}
}
}
return fRes;
}
double CompareFunc( double fCell1, double fCell2 )
{
// Keep DoubleError if encountered
// #i40539# if bEmpty is set, bVal/nVal are uninitialized
if (!std::isfinite(fCell1))
return fCell1;
if (!std::isfinite(fCell2))
return fCell2;
double fRes = 0.0;
if (!rtl::math::approxEqual(fCell1, fCell2))
{
if (fCell1 - fCell2 < 0.0)
fRes = -1;
else
fRes = 1;
}
return fRes;
}
double CompareEmptyToNumericFunc( double fCell2 )
{
// Keep DoubleError if encountered
// #i40539# if bEmpty is set, bVal/nVal are uninitialized
if (!std::isfinite(fCell2))
return fCell2;
double fRes = 0;
if (fCell2 != 0.0)
{
if (fCell2 < 0.0)
fRes = 1; // empty cell > -x
else
fRes = -1; // empty cell < x
}
// else: empty cell == 0.0
return fRes;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */