/* -*- 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 <optional>
#include <comphelper/anycompare.hxx>
#include <typelib/typedescription.hxx>
#include <com/sun/star/util/Date.hpp>
#include <com/sun/star/util/Time.hpp>
#include <com/sun/star/util/DateTime.hpp>
#include "typedescriptionref.hxx"
namespace comphelper
{
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Type;
using ::com::sun::star::uno::TypeDescription;
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;
using ::comphelper::detail::TypeDescriptionRef;
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(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
// 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(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
// 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(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
// 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;
}
};
bool anyLess( void const * lhs, typelib_TypeDescriptionReference * lhsType,
void const * rhs, typelib_TypeDescriptionReference * rhsType );
// For compound types we need to compare them member by member until we've
// checked them all or found a member that differs. For inequality checks
// we need to call anyLess() twice in both directions, this function does that.
std::optional<bool> anyCompare( void const * lhs, typelib_TypeDescriptionReference * lhsType,
void const * rhs, typelib_TypeDescriptionReference * rhsType )
{
if( anyLess( lhs, lhsType, rhs, rhsType ))
return std::optional( true );
if( anyLess( rhs, rhsType, lhs, lhsType ))
return std::optional( false );
return std::nullopt; // equal, so can't yet tell if anyLess() should return
}
// This is typelib_typedescription_equals(), but returns -1/0/1 values like strcmp().
int compareTypes( const typelib_TypeDescription * lhsType,
const typelib_TypeDescription * rhsType )
{
if( lhsType == rhsType )
return 0;
if( lhsType->eTypeClass != rhsType->eTypeClass )
return lhsType->eTypeClass - rhsType->eTypeClass;
if( lhsType->pTypeName->length != rhsType->pTypeName->length )
return lhsType->pTypeName->length - rhsType->pTypeName->length;
return rtl_ustr_compare( lhsType->pTypeName->buffer, rhsType->pTypeName->buffer );
}
bool anyLess( void const * lhs, typelib_TypeDescriptionReference * lhsType,
void const * rhs, typelib_TypeDescriptionReference * rhsType )
{
if (lhsType->eTypeClass != rhsType->eTypeClass)
return lhsType->eTypeClass < rhsType->eTypeClass;
if (lhsType->eTypeClass == typelib_TypeClass_VOID) {
return false;
}
assert(lhs != nullptr);
assert(rhs != nullptr);
switch (lhsType->eTypeClass) {
case typelib_TypeClass_INTERFACE:
return lhs < rhs;
case typelib_TypeClass_STRUCT:
case typelib_TypeClass_EXCEPTION: {
TypeDescription lhsTypeDescr( lhsType );
if (!lhsTypeDescr.is())
lhsTypeDescr.makeComplete();
if (!lhsTypeDescr.is())
throw css::lang::IllegalArgumentException(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
TypeDescription rhsTypeDescr( rhsType );
if (!rhsTypeDescr.is())
rhsTypeDescr.makeComplete();
if (!rhsTypeDescr.is())
throw css::lang::IllegalArgumentException(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
int compare = compareTypes( lhsTypeDescr.get(), rhsTypeDescr.get());
if( compare != 0 )
return compare < 0;
typelib_CompoundTypeDescription * compType =
reinterpret_cast< typelib_CompoundTypeDescription * >(
lhsTypeDescr.get() );
sal_Int32 nDescr = compType->nMembers;
if (compType->pBaseTypeDescription) {
std::optional<bool> subLess = anyCompare(
lhs, reinterpret_cast<
typelib_TypeDescription * >(
compType->pBaseTypeDescription)->pWeakRef,
rhs, reinterpret_cast<
typelib_TypeDescription * >(
compType->pBaseTypeDescription)->pWeakRef);
if(subLess.has_value())
return *subLess;
}
typelib_TypeDescriptionReference ** ppTypeRefs =
compType->ppTypeRefs;
sal_Int32 * memberOffsets = compType->pMemberOffsets;
for ( sal_Int32 nPos = 0; nPos < nDescr; ++nPos )
{
TypeDescriptionRef memberType( ppTypeRefs[ nPos ] );
if (!memberType.is())
throw css::lang::IllegalArgumentException(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
std::optional<bool> subLess = anyCompare(
static_cast< char const * >(
lhs ) + memberOffsets[ nPos ],
memberType->pWeakRef,
static_cast< char const * >(
rhs ) + memberOffsets[ nPos ],
memberType->pWeakRef);
if(subLess.has_value())
return *subLess;
}
return false; // equal
}
case typelib_TypeClass_SEQUENCE: {
uno_Sequence * lhsSeq = *static_cast< uno_Sequence * const * >(lhs);
uno_Sequence * rhsSeq = *static_cast< uno_Sequence * const * >(rhs);
if( lhsSeq->nElements != rhsSeq->nElements)
return lhsSeq->nElements < rhsSeq->nElements;
sal_Int32 nElements = lhsSeq->nElements;
TypeDescriptionRef lhsTypeDescr( lhsType );
if (!lhsTypeDescr.is())
throw css::lang::IllegalArgumentException(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
TypeDescriptionRef rhsTypeDescr( rhsType );
if (!rhsTypeDescr.is())
throw css::lang::IllegalArgumentException(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
int compare = compareTypes( lhsTypeDescr.get(), rhsTypeDescr.get());
if( compare != 0 )
return compare < 0;
typelib_TypeDescriptionReference * elementTypeRef =
reinterpret_cast< typelib_IndirectTypeDescription * >(lhsTypeDescr.get())->pType;
TypeDescriptionRef elementTypeDescr( elementTypeRef );
if (!elementTypeDescr.is())
throw css::lang::IllegalArgumentException(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
assert( elementTypeDescr.equals( TypeDescriptionRef(
reinterpret_cast< typelib_IndirectTypeDescription * >(lhsTypeDescr.get())->pType )));
sal_Int32 nElementSize = elementTypeDescr->nSize;
if (nElements > 0)
{
char const * lhsElements = lhsSeq->elements;
char const * rhsElements = rhsSeq->elements;
for ( sal_Int32 nPos = 0; nPos < nElements; ++nPos )
{
std::optional<bool> subLess = anyCompare(
lhsElements + (nElementSize * nPos),
elementTypeDescr->pWeakRef,
rhsElements + (nElementSize * nPos),
elementTypeDescr->pWeakRef );
if(subLess.has_value())
return *subLess;
}
}
return false; // equal
}
case typelib_TypeClass_ANY: {
uno_Any const * lhsAny = static_cast< uno_Any const * >(lhs);
uno_Any const * rhsAny = static_cast< uno_Any const * >(rhs);
return anyLess( lhsAny->pData, lhsAny->pType, rhsAny->pData, rhsAny->pType );
}
case typelib_TypeClass_TYPE: {
OUString const & lhsTypeName = OUString::unacquired(
&(*static_cast< typelib_TypeDescriptionReference * const * >(lhs))->pTypeName);
OUString const & rhsTypeName = OUString::unacquired(
&(*static_cast< typelib_TypeDescriptionReference * const * >(rhs))->pTypeName);
return lhsTypeName < rhsTypeName;
}
case typelib_TypeClass_STRING: {
OUString const & lhsStr = OUString::unacquired(
static_cast< rtl_uString * const * >(lhs) );
OUString const & rhsStr = OUString::unacquired(
static_cast< rtl_uString * const * >(rhs) );
return lhsStr < rhsStr;
}
case typelib_TypeClass_ENUM: {
TypeDescription lhsTypeDescr( lhsType );
if (!lhsTypeDescr.is())
lhsTypeDescr.makeComplete();
if (!lhsTypeDescr.is())
throw css::lang::IllegalArgumentException(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
TypeDescription rhsTypeDescr( rhsType );
if (!rhsTypeDescr.is())
rhsTypeDescr.makeComplete();
if (!rhsTypeDescr.is())
throw css::lang::IllegalArgumentException(u"bad ordering"_ustr, css::uno::Reference<css::uno::XInterface>(), -1);
int compare = compareTypes( lhsTypeDescr.get(), rhsTypeDescr.get());
if( compare != 0 )
return compare < 0;
return *static_cast< int const * >(lhs) < *static_cast< int const * >(rhs);
}
case typelib_TypeClass_BOOLEAN:
return *static_cast< sal_Bool const * >(lhs) < *static_cast< sal_Bool const * >(rhs);
case typelib_TypeClass_CHAR:
return *static_cast< sal_Unicode const * >(lhs) < *static_cast< sal_Unicode const * >(rhs);
case typelib_TypeClass_FLOAT:
return *static_cast< float const * >(lhs) < *static_cast< float const * >(rhs);
case typelib_TypeClass_DOUBLE:
return *static_cast< double const * >(lhs) < *static_cast< double const * >(rhs);
case typelib_TypeClass_BYTE:
return *static_cast< sal_Int8 const * >(lhs) < *static_cast< sal_Int8 const * >(rhs);
case typelib_TypeClass_SHORT:
return *static_cast< sal_Int16 const * >(lhs) < *static_cast< sal_Int16 const * >(rhs);
case typelib_TypeClass_UNSIGNED_SHORT:
return *static_cast< sal_uInt16 const * >(lhs) < *static_cast< sal_uInt16 const * >(rhs);
case typelib_TypeClass_LONG:
return *static_cast< sal_Int32 const * >(lhs) < *static_cast< sal_Int32 const * >(rhs);
case typelib_TypeClass_UNSIGNED_LONG:
return *static_cast< sal_uInt32 const * >(lhs) < *static_cast< sal_uInt32 const * >(rhs);
case typelib_TypeClass_HYPER:
return *static_cast< sal_Int64 const * >(lhs) < *static_cast< sal_Int64 const * >(rhs);
case typelib_TypeClass_UNSIGNED_HYPER:
return *static_cast< sal_uInt64 const * >(lhs) < *static_cast< sal_uInt64 const * >(rhs);
// case typelib_TypeClass_UNKNOWN:
// case typelib_TypeClass_SERVICE:
// case typelib_TypeClass_MODULE:
default:
return false;
}
}
} // namespace
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)
{
return anyLess( lhs.getValue(), lhs.getValueTypeRef(), rhs.getValue(), rhs.getValueTypeRef());
}
} // namespace comphelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V581 The conditional expressions of the 'if' statements situated alongside each other are identical. Check lines: 216, 218.
↑ V581 The conditional expressions of the 'if' statements situated alongside each other are identical. Check lines: 221, 223.
↑ V581 The conditional expressions of the 'if' statements situated alongside each other are identical. Check lines: 331, 333.
↑ V581 The conditional expressions of the 'if' statements situated alongside each other are identical. Check lines: 336, 338.
↑ V1019 Compound assignment expression '_rhs >>= rhs' is used inside condition.
↑ V1019 Compound assignment expression '_rhs >>= rhs' is used inside condition.
↑ V1019 Compound assignment expression '_rhs >>= rhs' is used inside condition.