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Diffstat (limited to 'comphelper/source/misc/anycompare.cxx')
| -rw-r--r-- | comphelper/source/misc/anycompare.cxx | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/comphelper/source/misc/anycompare.cxx b/comphelper/source/misc/anycompare.cxx new file mode 100644 index 000000000..bb77544c9 --- /dev/null +++ b/comphelper/source/misc/anycompare.cxx @@ -0,0 +1,247 @@ +/* -*- 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 <memory> +#include <comphelper/anycompare.hxx> + +#include <com/sun/star/util/Date.hpp> +#include <com/sun/star/util/Time.hpp> +#include <com/sun/star/util/DateTime.hpp> + +namespace comphelper +{ + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::Type; + using ::com::sun::star::uno::TypeClass_CHAR; + using ::com::sun::star::uno::TypeClass_BOOLEAN; + using ::com::sun::star::uno::TypeClass_BYTE; + using ::com::sun::star::uno::TypeClass_SHORT; + using ::com::sun::star::uno::TypeClass_UNSIGNED_SHORT; + using ::com::sun::star::uno::TypeClass_LONG; + using ::com::sun::star::uno::TypeClass_UNSIGNED_LONG; + using ::com::sun::star::uno::TypeClass_HYPER; + using ::com::sun::star::uno::TypeClass_UNSIGNED_HYPER; + using ::com::sun::star::uno::TypeClass_FLOAT; + using ::com::sun::star::uno::TypeClass_DOUBLE; + using ::com::sun::star::uno::TypeClass_STRING; + using ::com::sun::star::uno::TypeClass_TYPE; + using ::com::sun::star::uno::TypeClass_ENUM; + using ::com::sun::star::uno::TypeClass_INTERFACE; + using ::com::sun::star::uno::TypeClass_STRUCT; + using ::com::sun::star::i18n::XCollator; + using ::com::sun::star::util::Date; + using ::com::sun::star::util::Time; + using ::com::sun::star::util::DateTime; + + namespace { + + class DatePredicateLess : public IKeyPredicateLess + { + public: + virtual bool isLess( css::uno::Any const & _lhs, css::uno::Any const & _rhs ) const override + { + Date lhs, rhs; + if ( !( _lhs >>= lhs ) + || !( _rhs >>= rhs ) + ) + throw css::lang::IllegalArgumentException(); + // FIXME Timezone? + + if ( lhs.Year < rhs.Year ) + return true; + if ( lhs.Year > rhs.Year ) + return false; + + if ( lhs.Month < rhs.Month ) + return true; + if ( lhs.Month > rhs.Month ) + return false; + + if ( lhs.Day < rhs.Day ) + return true; + return false; + } + }; + + class TimePredicateLess : public IKeyPredicateLess + { + public: + virtual bool isLess( css::uno::Any const & _lhs, css::uno::Any const & _rhs ) const override + { + Time lhs, rhs; + if ( !( _lhs >>= lhs ) + || !( _rhs >>= rhs ) + ) + throw css::lang::IllegalArgumentException(); + // FIXME Timezone? + + if ( lhs.Hours < rhs.Hours ) + return true; + if ( lhs.Hours > rhs.Hours ) + return false; + + if ( lhs.Minutes < rhs.Minutes ) + return true; + if ( lhs.Minutes > rhs.Minutes ) + return false; + + if ( lhs.Seconds < rhs.Seconds ) + return true; + if ( lhs.Seconds > rhs.Seconds ) + return false; + + if ( lhs.NanoSeconds < rhs.NanoSeconds ) + return true; + return false; + } + }; + + class DateTimePredicateLess : public IKeyPredicateLess + { + public: + virtual bool isLess( css::uno::Any const & _lhs, css::uno::Any const & _rhs ) const override + { + DateTime lhs, rhs; + if ( !( _lhs >>= lhs ) + || !( _rhs >>= rhs ) + ) + throw css::lang::IllegalArgumentException(); + // FIXME Timezone? + + if ( lhs.Year < rhs.Year ) + return true; + if ( lhs.Year > rhs.Year ) + return false; + + if ( lhs.Month < rhs.Month ) + return true; + if ( lhs.Month > rhs.Month ) + return false; + + if ( lhs.Day < rhs.Day ) + return true; + if ( lhs.Day > rhs.Day ) + return false; + + if ( lhs.Hours < rhs.Hours ) + return true; + if ( lhs.Hours > rhs.Hours ) + return false; + + if ( lhs.Minutes < rhs.Minutes ) + return true; + if ( lhs.Minutes > rhs.Minutes ) + return false; + + if ( lhs.Seconds < rhs.Seconds ) + return true; + if ( lhs.Seconds > rhs.Seconds ) + return false; + + if ( lhs.NanoSeconds < rhs.NanoSeconds ) + return true; + return false; + } + }; + + } + + std::unique_ptr< IKeyPredicateLess > getStandardLessPredicate( Type const & i_type, Reference< XCollator > const & i_collator ) + { + std::unique_ptr< IKeyPredicateLess > pComparator; + switch ( i_type.getTypeClass() ) + { + case TypeClass_CHAR: + pComparator.reset( new ScalarPredicateLess< sal_Unicode > ); + break; + case TypeClass_BOOLEAN: + pComparator.reset( new ScalarPredicateLess< bool > ); + break; + case TypeClass_BYTE: + pComparator.reset( new ScalarPredicateLess< sal_Int8 > ); + break; + case TypeClass_SHORT: + pComparator.reset( new ScalarPredicateLess< sal_Int16 > ); + break; + case TypeClass_UNSIGNED_SHORT: + pComparator.reset( new ScalarPredicateLess< sal_uInt16 > ); + break; + case TypeClass_LONG: + pComparator.reset( new ScalarPredicateLess< sal_Int32 > ); + break; + case TypeClass_UNSIGNED_LONG: + pComparator.reset( new ScalarPredicateLess< sal_uInt32 > ); + break; + case TypeClass_HYPER: + pComparator.reset( new ScalarPredicateLess< sal_Int64 > ); + break; + case TypeClass_UNSIGNED_HYPER: + pComparator.reset( new ScalarPredicateLess< sal_uInt64 > ); + break; + case TypeClass_FLOAT: + pComparator.reset( new ScalarPredicateLess< float > ); + break; + case TypeClass_DOUBLE: + pComparator.reset( new ScalarPredicateLess< double > ); + break; + case TypeClass_STRING: + if ( i_collator.is() ) + pComparator.reset( new StringCollationPredicateLess( i_collator ) ); + else + pComparator.reset( new StringPredicateLess ); + break; + case TypeClass_TYPE: + pComparator.reset( new TypePredicateLess ); + break; + case TypeClass_ENUM: + pComparator.reset( new EnumPredicateLess( i_type ) ); + break; + case TypeClass_INTERFACE: + pComparator.reset( new InterfacePredicateLess ); + break; + case TypeClass_STRUCT: + if ( i_type.equals( ::cppu::UnoType< Date >::get() ) ) + pComparator.reset( new DatePredicateLess ); + else if ( i_type.equals( ::cppu::UnoType< Time >::get() ) ) + pComparator.reset( new TimePredicateLess ); + else if ( i_type.equals( ::cppu::UnoType< DateTime >::get() ) ) + pComparator.reset( new DateTimePredicateLess ); + break; + default: + break; + } + return pComparator; + } + + bool anyLess( css::uno::Any const & lhs, css::uno::Any const & rhs) + { + auto lhsTypeClass = lhs.getValueType().getTypeClass(); + auto rhsTypeClass = rhs.getValueType().getTypeClass(); + if (lhsTypeClass != rhsTypeClass) + return lhsTypeClass < rhsTypeClass; + std::unique_ptr< IKeyPredicateLess > pred = getStandardLessPredicate( lhs.getValueType(), Reference< XCollator >() ); + if (!pred) // type==VOID + return false; + return pred->isLess(lhs, rhs); + } + +} // namespace comphelper + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |