/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* 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 .
*/
#ifndef INCLUDED_COMPHELPER_NAMEDVALUECOLLECTION_HXX
#define INCLUDED_COMPHELPER_NAMEDVALUECOLLECTION_HXX
#include <comphelper/comphelperdllapi.h>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/beans/NamedValue.hpp>
#include <vector>
#include <unordered_map>
namespace comphelper
{
// = NamedValueCollection
/** a collection of named values, packed in various formats.
*/
class COMPHELPER_DLLPUBLIC NamedValueCollection
{
std::unordered_map< OUString, css::uno::Any > maValues;
public :
NamedValueCollection() = default ;
NamedValueCollection( const NamedValueCollection& _rCopySource ) = default ;
NamedValueCollection(NamedValueCollection&& _rCopySource) noexcept = default ;
NamedValueCollection& operator =( const NamedValueCollection& i_rCopySource ) = default ;
NamedValueCollection& operator =(NamedValueCollection&& i_rCopySource) noexcept = default ;
/** constructs a collection
@ param _ rElements
the wrapped elements of the collection . The @ c Any might contain a sequence of
property values , a sequence of named values , or directly a property value or named value .
All other cases are worth an assertion in non - product builds .
*/
NamedValueCollection( const css::uno::Any& _rElements );
/** constructs a collection
@ param _ rArguments
a sequence of Any ' s containing either PropertyValue ' s or NamedValue ' s .
*/
NamedValueCollection( const css::uno::Sequence< css::uno::Any >& _rArguments );
/** constructs a collection
@ param _ rArguments
a sequence of PropertyValues ' s
*/
NamedValueCollection( const css::uno::Sequence< css::beans::PropertyValue >& _rArguments );
/** constructs a collection
@ param _ rArguments
a sequence of NamedValue ' s
*/
NamedValueCollection( const css::uno::Sequence< css::beans::NamedValue >& _rArguments );
void assign( const css::uno::Sequence< css::uno::Any >& _rArguments )
{
impl_assign( _rArguments );
}
void clear()
{
impl_assign( css::uno::Sequence< css::beans::NamedValue >() );
}
/** determines whether or not named values can be extracted from the given value
@ return
true if and only if the given @ c Any contains a @ c NamedValue , a
@ c PropertyValue , or a sequence thereof .
*/
static bool canExtractFrom( css::uno::Any const & i_value );
/// returns the number of elements in the collection
size_t size() const ;
/// determines whether the collection is empty
bool empty() const ;
/** returns the names of all elements in the collection
*/
::std::vector< OUString >
getNames() const ;
/** merges the content of another collection into @c this
@ param _ rAdditionalValues
the collection whose values are to be merged
@ param _ bOverwriteExisting
defines whether or not elements which are already present in @ c this
should be overwritten ( true ) or preserved ( false ) .
@ return @ c * this
*/
NamedValueCollection&
merge(
const NamedValueCollection& _rAdditionalValues,
bool _bOverwriteExisting
);
/** retrieves a value with a given name from the collection, if it is present
@ param _ pAsciiValueName
the ASCII name of the value to retrieve
@ param _ out_rValue
is the output parameter taking the desired value upon successful return . If
a value with the given name is not present in the collection , or if a wrong - typed
value is present , then this parameter will not be touched .
@ retval
true if there is a value with the given name , which could successfully
be extracted . In this case , @ c _ out_rValue will contain the requested
value .
@ retval
false , if there is no value with the given name .
@ throws IllegalArgumentException
in case there is a value with the given name , but it cannot legally assigned to
_ out_rValue .
*/
template < typename VALUE_TYPE >
bool get_ensureType( const OUString& _rValueName, VALUE_TYPE& _out_rValue ) const
{
return get_ensureType( _rValueName, &_out_rValue, ::cppu::UnoType< VALUE_TYPE >::get() );
}
/** retrieves a value with a given name, or defaults it to a given value, if it's not present
in the collection
*/
template < typename VALUE_TYPE >
VALUE_TYPE getOrDefault( const OUString& _rValueName, const VALUE_TYPE& _rDefault ) const
{
VALUE_TYPE retVal( _rDefault );
get_ensureType( _rValueName, retVal );
return retVal;
}
/** Retrieves a value with a given name, or defaults it to a given value, if it's not present
in the collection .
For when you only need a single value from a Sequence < PropertyValue > .
*/
template < typename VALUE_TYPE >
static VALUE_TYPE getOrDefault( const css::uno::Sequence<css::beans::PropertyValue> & rPropSeq,
std::u16string_view _rValueName, const VALUE_TYPE& _rDefault )
{
VALUE_TYPE retVal( _rDefault );
get_ensureType( rPropSeq, _rValueName, &retVal, ::cppu::UnoType< VALUE_TYPE >::get() );
return retVal;
}
/** retrieves a (untyped) value with a given name
If the collection does not contain a value with the given name , an empty
Any is returned .
*/
const css::uno::Any& get( const OUString& _rValueName ) const
{
return impl_get( _rValueName );
}
/** retrieves a (untyped) value with a given name. For when you only need a single value from a Sequence<PropertyValue>.
If the collection does not contain a value with the given name , an empty
Any is returned .
*/
static const css::uno::Any& get( const css::uno::Sequence<css::beans::PropertyValue>& rPropSeq, std::u16string_view _rValueName );
/// determines whether a value with a given name is present in the collection
bool has( const OUString& _rValueName ) const
{
return impl_has( _rValueName );
}
/** puts a value into the collection
@ return true if and only if a value was already present previously , in
which case it has been overwritten .
*/
template < typename VALUE_TYPE >
bool put( const OUString& _rValueName, const VALUE_TYPE& _rValue )
{
return impl_put( _rValueName, css::uno::Any( _rValue ) );
}
bool put( const OUString& _rValueName, const css::uno::Any& _rValue )
{
return impl_put( _rValueName, _rValue );
}
/** removes the value with the given name from the collection
@ return true if and only if a value with the given name existed in the collection .
*/
bool remove( const OUString& _rValueName )
{
return impl_remove( _rValueName );
}
/** transforms the collection to a sequence of PropertyValues
@ return
the number of elements in the sequence
*/
sal_Int32 operator >>= ( css::uno::Sequence< css::beans::PropertyValue >& _out_rValues ) const ;
/** transforms the collection to a sequence of NamedValues
@ return
the number of elements in the sequence
*/
sal_Int32 operator >>= ( css::uno::Sequence< css::beans::NamedValue >& _out_rValues ) const ;
/** transforms the collection into a sequence of PropertyValues
*/
css::uno::Sequence< css::beans::PropertyValue >
getPropertyValues() const
{
css::uno::Sequence< css::beans::PropertyValue > aValues;
*this >>= aValues;
return aValues;
}
/** returns a Sequence< Any >, containing PropertyValues
*/
css::uno::Sequence< css::uno::Any >
getWrappedPropertyValues() const
{
return impl_wrap< css::beans::PropertyValue >();
}
/** returns a Sequence< Any >, containing NamedValues
*/
css::uno::Sequence< css::uno::Any >
getWrappedNamedValues() const
{
return impl_wrap< css::beans::NamedValue >();
}
/** transforms the collection into a sequence of NamedValues
*/
css::uno::Sequence< css::beans::NamedValue >
getNamedValues() const
{
css::uno::Sequence< css::beans::NamedValue > aValues;
*this >>= aValues;
return aValues;
}
private :
void impl_assign( const css::uno::Any& i_rWrappedElements );
void impl_assign( const css::uno::Sequence< css::uno::Any >& _rArguments );
void impl_assign( const css::uno::Sequence< css::beans::PropertyValue >& _rArguments );
void impl_assign( const css::uno::Sequence< css::beans::NamedValue >& _rArguments );
bool get_ensureType(
const OUString& _rValueName,
void * _pValueLocation,
const css::uno::Type& _rExpectedValueType
) const ;
static bool get_ensureType(
const css::uno::Sequence<css::beans::PropertyValue> & rPropSeq,
std::u16string_view _rValueName,
void * _pValueLocation,
const css::uno::Type& _rExpectedValueType
);
const css::uno::Any&
impl_get( const OUString& _rValueName ) const ;
bool impl_has( const OUString& _rValueName ) const ;
bool impl_put( const OUString& _rValueName, const css::uno::Any& _rValue );
bool impl_remove( const OUString& _rValueName );
template < class VALUE_TYPE >
css::uno::Sequence< css::uno::Any > impl_wrap() const
{
css::uno::Sequence< VALUE_TYPE > aValues;
*this >>= aValues;
css::uno::Sequence< css::uno::Any > aWrappedValues( aValues.getLength() );
std::transform(aValues.begin(), aValues.end(), aWrappedValues.getArray(),
[](const auto & val) { return css::uno::Any(val); });
return aWrappedValues;
}
};
} // namespace comphelper
#endif // INCLUDED_COMPHELPER_NAMEDVALUECOLLECTION_HXX
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