221 lines
7.3 KiB
C++
221 lines
7.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2000, 2010 Oracle and/or its affiliates.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
#ifndef CHART2_COMMONFUNCTORS_HXX
|
|
#define CHART2_COMMONFUNCTORS_HXX
|
|
|
|
#include <algorithm>
|
|
#include <functional>
|
|
#include <o3tl/compat_functional.hxx>
|
|
#include <rtl/math.hxx>
|
|
#include <com/sun/star/uno/Any.hxx>
|
|
#include <rtl/ustring.hxx>
|
|
#include <com/sun/star/uno/Sequence.hxx>
|
|
#include "charttoolsdllapi.hxx"
|
|
|
|
namespace chart
|
|
{
|
|
namespace CommonFunctors
|
|
{
|
|
|
|
/** unary function to convert any type T into a ::com::sun::star::uno::Any.
|
|
|
|
<p>uno::makeAny is an inline function. Thus is cannot be taken directly
|
|
(via mem_fun_ptr)</p>
|
|
*/
|
|
template< typename T >
|
|
struct makeAny : public ::std::unary_function< T, ::com::sun::star::uno::Any >
|
|
{
|
|
::com::sun::star::uno::Any operator() ( const T & aVal )
|
|
{
|
|
return ::com::sun::star::uno::makeAny( aVal );
|
|
}
|
|
};
|
|
|
|
/** unary function to convert ::com::sun::star::uno::Any into a double number.
|
|
|
|
<p>In case no number can be generated from the Any, NaN (see
|
|
rtl::math::SetNAN()) is returned.</p>
|
|
*/
|
|
struct OOO_DLLPUBLIC_CHARTTOOLS AnyToDouble : public ::std::unary_function< ::com::sun::star::uno::Any, double >
|
|
{
|
|
double operator() ( const ::com::sun::star::uno::Any & rAny )
|
|
{
|
|
double fResult;
|
|
::rtl::math::setNan( & fResult );
|
|
|
|
::com::sun::star::uno::TypeClass eClass( rAny.getValueType().getTypeClass() );
|
|
if( eClass == ::com::sun::star::uno::TypeClass_DOUBLE )
|
|
{
|
|
fResult = * reinterpret_cast< const double * >( rAny.getValue() );
|
|
}
|
|
|
|
return fResult;
|
|
}
|
|
};
|
|
|
|
/** unary function to convert ::com::sun::star::uno::Any into an
|
|
::rtl::OUString.
|
|
*/
|
|
struct OOO_DLLPUBLIC_CHARTTOOLS AnyToString : public ::std::unary_function< ::com::sun::star::uno::Any, ::rtl::OUString >
|
|
{
|
|
::rtl::OUString operator() ( const ::com::sun::star::uno::Any & rAny )
|
|
{
|
|
::com::sun::star::uno::TypeClass eClass( rAny.getValueType().getTypeClass() );
|
|
if( eClass == ::com::sun::star::uno::TypeClass_DOUBLE )
|
|
{
|
|
const double* pDouble = reinterpret_cast< const double * >( rAny.getValue() );
|
|
if( ::rtl::math::isNan(*pDouble) )
|
|
return ::rtl::OUString();
|
|
return ::rtl::math::doubleToUString(
|
|
* pDouble,
|
|
rtl_math_StringFormat_Automatic,
|
|
-1, // use maximum decimal places available
|
|
sal_Char( '.' ), // decimal separator
|
|
false // do not erase trailing zeros
|
|
);
|
|
}
|
|
else if( eClass == ::com::sun::star::uno::TypeClass_STRING )
|
|
{
|
|
return * reinterpret_cast< const ::rtl::OUString * >( rAny.getValue() );
|
|
}
|
|
|
|
return ::rtl::OUString();
|
|
}
|
|
};
|
|
|
|
/** unary function to convert an ::rtl::OUString into a double number.
|
|
|
|
<p>For conversion rtl::math::StringToDouble is used.</p>
|
|
*/
|
|
struct OOO_DLLPUBLIC_CHARTTOOLS OUStringToDouble : public ::std::unary_function< ::rtl::OUString, double >
|
|
{
|
|
double operator() ( const ::rtl::OUString & rStr )
|
|
{
|
|
rtl_math_ConversionStatus eConversionStatus;
|
|
double fResult = ::rtl::math::stringToDouble( rStr, '.', ',', & eConversionStatus, NULL );
|
|
|
|
if( eConversionStatus != rtl_math_ConversionStatus_Ok )
|
|
::rtl::math::setNan( & fResult );
|
|
|
|
return fResult;
|
|
}
|
|
};
|
|
|
|
/** unary function to convert a double number into an ::rtl::OUString.
|
|
|
|
<p>For conversion rtl::math::DoubleToOUString is used.</p>
|
|
*/
|
|
struct OOO_DLLPUBLIC_CHARTTOOLS DoubleToOUString : public ::std::unary_function< double, ::rtl::OUString >
|
|
{
|
|
::rtl::OUString operator() ( double fNumber )
|
|
{
|
|
return ::rtl::math::doubleToUString(
|
|
fNumber,
|
|
rtl_math_StringFormat_Automatic,
|
|
-1, // use maximum number of decimal places
|
|
static_cast< sal_Char >( '.' ),
|
|
false // do not erase trailing zeros
|
|
);
|
|
}
|
|
};
|
|
|
|
// ================================================================================
|
|
|
|
/** can be used to find an element with a specific first element in e.g. a
|
|
vector of pairs (for searching keys in maps you will of course use map::find)
|
|
*/
|
|
template< typename First, typename Second >
|
|
class FirstOfPairEquals : public ::std::unary_function< ::std::pair< First, Second >, bool >
|
|
{
|
|
public:
|
|
FirstOfPairEquals( const First & aVal )
|
|
: m_aValueToCompareWith( aVal )
|
|
{}
|
|
bool operator() ( const ::std::pair< First, Second > & rElem )
|
|
{
|
|
return rElem.first == m_aValueToCompareWith;
|
|
}
|
|
|
|
private:
|
|
First m_aValueToCompareWith;
|
|
};
|
|
|
|
/** can be used to find a certain value in a map
|
|
|
|
::std::find_if( aMap.begin(), aMap.end(),
|
|
SecondOfPairEquals< string, int >( 42 ));
|
|
*/
|
|
template< typename Key, typename Value >
|
|
class SecondOfPairEquals : public ::std::unary_function< ::std::pair< Key, Value >, bool >
|
|
{
|
|
public:
|
|
SecondOfPairEquals( const Value & aVal )
|
|
: m_aValueToCompareWith( aVal )
|
|
{}
|
|
bool operator() ( const ::std::pair< Key, Value > & rMapElem )
|
|
{
|
|
return rMapElem.second == m_aValueToCompareWith;
|
|
}
|
|
|
|
private:
|
|
Value m_aValueToCompareWith;
|
|
};
|
|
|
|
/** Searches for data in a given map, i.e. not for the key but for the data
|
|
pointed to by the keys.
|
|
|
|
To find a key (value) you can use rMap.find( rValue )
|
|
*/
|
|
template< class MapType >
|
|
inline typename MapType::const_iterator
|
|
findValueInMap( const MapType & rMap, const typename MapType::mapped_type & rData )
|
|
{
|
|
return ::std::find_if( rMap.begin(), rMap.end(),
|
|
::o3tl::compose1( ::std::bind2nd(
|
|
::std::equal_to< typename MapType::mapped_type >(),
|
|
rData ),
|
|
::o3tl::select2nd< typename MapType::value_type >()));
|
|
}
|
|
|
|
/** Functor that deletes the object behind the given pointer by calling the
|
|
delete operator
|
|
*/
|
|
template< typename T >
|
|
struct DeletePtr : public ::std::unary_function< T *, void >
|
|
{
|
|
void operator() ( T * pObj )
|
|
{ delete pObj; }
|
|
};
|
|
|
|
} // namespace CommonFunctors
|
|
} // namespace chart
|
|
|
|
// CHART2_COMMONFUNCTORS_HXX
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|