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Diffstat (limited to 'comphelper/source/property/propertybag.cxx')
| -rw-r--r-- | comphelper/source/property/propertybag.cxx | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/comphelper/source/property/propertybag.cxx b/comphelper/source/property/propertybag.cxx new file mode 100644 index 000000000..02e6f78c1 --- /dev/null +++ b/comphelper/source/property/propertybag.cxx @@ -0,0 +1,206 @@ +/* -*- 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 <comphelper/propertybag.hxx> +#include <osl/diagnose.h> + +#include <com/sun/star/beans/IllegalTypeException.hpp> +#include <com/sun/star/beans/PropertyExistException.hpp> +#include <com/sun/star/container/ElementExistException.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <com/sun/star/beans/NotRemoveableException.hpp> +#include <com/sun/star/beans/UnknownPropertyException.hpp> + +#include <map> +#include <string_view> + +namespace comphelper +{ + + + using ::com::sun::star::uno::Any; + using ::com::sun::star::uno::Type; + using ::com::sun::star::uno::TypeClass_VOID; + using ::com::sun::star::beans::IllegalTypeException; + using ::com::sun::star::beans::PropertyExistException; + using ::com::sun::star::container::ElementExistException; + using ::com::sun::star::lang::IllegalArgumentException; + using ::com::sun::star::beans::Property; + using ::com::sun::star::beans::NotRemoveableException; + using ::com::sun::star::beans::UnknownPropertyException; + + namespace PropertyAttribute = ::com::sun::star::beans::PropertyAttribute; + + PropertyBag::PropertyBag() + : m_bAllowEmptyPropertyName(false) + { + } + + PropertyBag::~PropertyBag() + { + } + + + void PropertyBag::setAllowEmptyPropertyName( bool i_isAllowed ) + { + m_bAllowEmptyPropertyName = i_isAllowed; + } + + + namespace + { + void lcl_checkForEmptyName( const bool _allowEmpty, std::u16string_view _name ) + { + if ( !_allowEmpty && _name.empty() ) + throw IllegalArgumentException( + "The property name must not be empty.", + // TODO: resource + nullptr, + 1 + ); + } + + void lcl_checkNameAndHandle_PropertyExistException( const OUString& _name, const sal_Int32 _handle, const PropertyBag& _container ) + { + if ( _container.hasPropertyByName( _name ) || _container.hasPropertyByHandle( _handle ) ) + throw PropertyExistException( + "Property name or handle already used.", + nullptr ); + + } + + void lcl_checkNameAndHandle_ElementExistException( const OUString& _name, const sal_Int32 _handle, const PropertyBag& _container ) + { + if ( _container.hasPropertyByName( _name ) || _container.hasPropertyByHandle( _handle ) ) + throw ElementExistException( + "Property name or handle already used.", + nullptr ); + + } + + } + + + void PropertyBag::addVoidProperty( const OUString& _rName, const Type& _rType, sal_Int32 _nHandle, sal_Int32 _nAttributes ) + { + if ( _rType.getTypeClass() == TypeClass_VOID ) + throw IllegalArgumentException( + "Illegal property type: VOID", + // TODO: resource + nullptr, + 1 + ); + + // check name/handle sanity + lcl_checkForEmptyName( m_bAllowEmptyPropertyName, _rName ); + lcl_checkNameAndHandle_ElementExistException( _rName, _nHandle, *this ); + + // register the property + OSL_ENSURE( _nAttributes & PropertyAttribute::MAYBEVOID, "PropertyBag::addVoidProperty: this is for default-void properties only!" ); + registerPropertyNoMember( _rName, _nHandle, _nAttributes | PropertyAttribute::MAYBEVOID, _rType, css::uno::Any() ); + + // remember the default + aDefaults.emplace( _nHandle, Any() ); + } + + + void PropertyBag::addProperty( const OUString& _rName, sal_Int32 _nHandle, sal_Int32 _nAttributes, const Any& _rInitialValue ) + { + // check type sanity + const Type& aPropertyType = _rInitialValue.getValueType(); + if ( aPropertyType.getTypeClass() == TypeClass_VOID ) + throw IllegalTypeException( + "The initial value must be non-NULL to determine the property type.", + // TODO: resource + nullptr ); + + // check name/handle sanity + lcl_checkForEmptyName( m_bAllowEmptyPropertyName, _rName ); + lcl_checkNameAndHandle_PropertyExistException( _rName, _nHandle, *this ); + + // register the property + registerPropertyNoMember( _rName, _nHandle, _nAttributes, aPropertyType, + _rInitialValue ); + + // remember the default + aDefaults.emplace( _nHandle, _rInitialValue ); + } + + + void PropertyBag::removeProperty( const OUString& _rName ) + { + const Property& rProp = getProperty( _rName ); + // will throw an UnknownPropertyException if necessary + if ( ( rProp.Attributes & PropertyAttribute::REMOVABLE ) == 0 ) + throw NotRemoveableException( OUString(), nullptr ); + const sal_Int32 nHandle = rProp.Handle; + + revokeProperty( nHandle ); + + aDefaults.erase( nHandle ); + } + + + void PropertyBag::getFastPropertyValue( sal_Int32 _nHandle, Any& _out_rValue ) const + { + if ( !hasPropertyByHandle( _nHandle ) ) + throw UnknownPropertyException(OUString::number(_nHandle)); + + OPropertyContainerHelper::getFastPropertyValue( _out_rValue, _nHandle ); + } + + + bool PropertyBag::convertFastPropertyValue( sal_Int32 _nHandle, const Any& _rNewValue, Any& _out_rConvertedValue, Any& _out_rCurrentValue ) const + { + if ( !hasPropertyByHandle( _nHandle ) ) + throw UnknownPropertyException(OUString::number(_nHandle)); + + return const_cast< PropertyBag* >( this )->OPropertyContainerHelper::convertFastPropertyValue( + _out_rConvertedValue, _out_rCurrentValue, _nHandle, _rNewValue ); + } + + + void PropertyBag::setFastPropertyValue( sal_Int32 _nHandle, const Any& _rValue ) + { + if ( !hasPropertyByHandle( _nHandle ) ) + throw UnknownPropertyException(OUString::number(_nHandle)); + + OPropertyContainerHelper::setFastPropertyValue( _nHandle, _rValue ); + } + + + void PropertyBag::getPropertyDefaultByHandle( sal_Int32 _nHandle, Any& _out_rValue ) const + { + if ( !hasPropertyByHandle( _nHandle ) ) + throw UnknownPropertyException(OUString::number(_nHandle)); + + auto pos = aDefaults.find( _nHandle ); + OSL_ENSURE( pos != aDefaults.end(), "PropertyBag::getPropertyDefaultByHandle: inconsistency!" ); + if ( pos != aDefaults.end() ) + _out_rValue = pos->second; + else + _out_rValue.clear(); + } + + +} // namespace comphelper + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |