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+/* -*- 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 <sal/config.h>
+
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/inspection/XStringRepresentation.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/script/CannotConvertException.hpp>
+#include <com/sun/star/script/XTypeConverter.hpp>
+#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
+#include <com/sun/star/reflection/XConstantsTypeDescription.hpp>
+#include <com/sun/star/util/DateTime.hpp>
+#include <com/sun/star/util/Date.hpp>
+#include <com/sun/star/util/Time.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <connectivity/dbconversion.hxx>
+#include <osl/diagnose.h>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <yesno.hrc>
+#include <comphelper/types.hxx>
+#include <o3tl/string_view.hxx>
+#include "modulepcr.hxx"
+
+#include <algorithm>
+
+namespace pcr{
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace {
+
+class StringRepresentation:
+ public ::cppu::WeakImplHelper<
+ lang::XServiceInfo,
+ inspection::XStringRepresentation,
+ lang::XInitialization>
+{
+public:
+ explicit StringRepresentation(uno::Reference< uno::XComponentContext > const & context);
+ StringRepresentation (const StringRepresentation&) = delete;
+ StringRepresentation& operator=(const StringRepresentation&) = delete;
+
+ // lang::XServiceInfo:
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService(const OUString & ServiceName) override;
+ virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+ // inspection::XStringRepresentation:
+ virtual OUString SAL_CALL convertToControlValue(const uno::Any & PropertyValue) override;
+ virtual uno::Any SAL_CALL convertToPropertyValue(const OUString & ControlValue, const uno::Type & ControlValueType) override;
+
+ // lang::XInitialization:
+ virtual void SAL_CALL initialize(const uno::Sequence< uno::Any > & aArguments) override;
+
+private:
+ virtual ~StringRepresentation() override {}
+
+ /** converts a generic value into a string representation
+
+ If you want to convert values whose string representation does not depend
+ on a concrete property, use this version
+
+ @return <TRUE/>
+ if and only if the value could be converted
+ */
+ static bool convertGenericValueToString(
+ const uno::Any& _rValue,
+ OUString& _rStringRep
+ );
+
+ /** converts string representation into generic value
+
+ If you want to convert values whose string representation does not depend
+ on a concrete property, use this version
+
+ @return <TRUE/>
+ if and only if the value could be converted
+ */
+ static bool convertStringToGenericValue(
+ const OUString& _rStringRep,
+ uno::Any& _rValue,
+ const uno::Type& _rTargetType
+ );
+
+ /** uses the simple convert method from the type converter
+ *
+ * \param _rValue the value to be converted
+ * \return the converted string.
+ */
+ OUString convertSimpleToString( const uno::Any& _rValue );
+
+ /** converts a string into his constant value if it exists, otherwise the type converter is used.
+ * \param _rValue the value to be converted
+ * \param _ePropertyType the type of the property to be converted into
+ * \return the converted value
+ */
+ uno::Any convertStringToSimple( const OUString& _rValue,const uno::TypeClass& _ePropertyType );
+
+ uno::Reference< uno::XComponentContext > m_xContext;
+ uno::Reference< script::XTypeConverter > m_xTypeConverter;
+ uno::Reference< reflection::XConstantsTypeDescription > m_xTypeDescription;
+ uno::Sequence< OUString > m_aValues;
+ uno::Sequence< uno::Reference< reflection::XConstantTypeDescription> > m_aConstants;
+
+};
+
+}
+
+StringRepresentation::StringRepresentation(uno::Reference< uno::XComponentContext > const & context) :
+ m_xContext(context)
+{}
+
+// com.sun.star.uno.XServiceInfo:
+OUString SAL_CALL StringRepresentation::getImplementationName()
+{
+ return "StringRepresentation";
+}
+
+sal_Bool SAL_CALL StringRepresentation::supportsService(OUString const & serviceName)
+{
+ return cppu::supportsService(this, serviceName);
+}
+
+uno::Sequence< OUString > SAL_CALL StringRepresentation::getSupportedServiceNames()
+{
+ return { "com.sun.star.inspection.StringRepresentation" };
+}
+
+// inspection::XStringRepresentation:
+OUString SAL_CALL StringRepresentation::convertToControlValue(const uno::Any & PropertyValue)
+{
+ OUString sReturn;
+ if ( !convertGenericValueToString( PropertyValue, sReturn ) )
+ {
+ sReturn = convertSimpleToString( PropertyValue );
+#ifdef DBG_UTIL
+ if ( sReturn.isEmpty() && PropertyValue.hasValue() )
+ {
+ SAL_WARN( "extensions.propctrlr", "StringRepresentation::convertPropertyValueToStringRepresentation: cannot convert values of type '"
+ << PropertyValue.getValueType().getTypeName()
+ << "'!" );
+ }
+#endif
+ }
+
+ return sReturn;
+}
+
+uno::Any SAL_CALL StringRepresentation::convertToPropertyValue(const OUString & ControlValue, const uno::Type & ControlValueType)
+{
+ uno::Any aReturn;
+
+ uno::TypeClass ePropertyType = ControlValueType.getTypeClass();
+ switch ( ePropertyType )
+ {
+ case uno::TypeClass_FLOAT:
+ case uno::TypeClass_DOUBLE:
+ case uno::TypeClass_BYTE:
+ case uno::TypeClass_SHORT:
+ case uno::TypeClass_LONG:
+ case uno::TypeClass_HYPER:
+ case uno::TypeClass_UNSIGNED_SHORT:
+ case uno::TypeClass_UNSIGNED_LONG:
+ case uno::TypeClass_UNSIGNED_HYPER:
+ try
+ {
+ aReturn = convertStringToSimple(ControlValue, ePropertyType);
+ }
+ catch( const script::CannotConvertException& ) { }
+ catch( const lang::IllegalArgumentException& ) { }
+ break;
+
+ default:
+ #if OSL_DEBUG_LEVEL > 0
+ bool bCanConvert =
+ #endif
+ convertStringToGenericValue( ControlValue, aReturn, ControlValueType );
+
+ #if OSL_DEBUG_LEVEL > 0
+ // could not convert ...
+ if ( !bCanConvert && !ControlValue.isEmpty() )
+ {
+ SAL_WARN( "extensions.propctrlr", "StringRepresentation::convertStringRepresentationToPropertyValue: cannot convert into values of type '"
+ << ControlValueType.getTypeName() << "'!" );
+ }
+ #endif
+ }
+
+ return aReturn;
+}
+
+namespace {
+
+// This comparison functor assumes an underlying set of constants with pairwise
+// unequal values that are all of UNO SHORT or LONG type:
+struct CompareConstants {
+ bool operator ()(
+ css::uno::Reference< css::reflection::XConstantTypeDescription > const &
+ c1,
+ css::uno::Reference< css::reflection::XConstantTypeDescription > const &
+ c2) const
+ {
+ return c1->getConstantValue().get<sal_Int32>()
+ < c2->getConstantValue().get<sal_Int32>();
+ }
+};
+
+}
+
+// lang::XInitialization:
+void SAL_CALL StringRepresentation::initialize(const uno::Sequence< uno::Any > & aArguments)
+{
+ sal_Int32 nLength = aArguments.getLength();
+ if ( !nLength )
+ return;
+
+ const uno::Any* pIter = aArguments.getConstArray();
+ m_xTypeConverter.set(*pIter++,uno::UNO_QUERY);
+ if ( nLength != 3 )
+ return;
+
+ OUString sConstantName;
+ *pIter++ >>= sConstantName;
+ *pIter >>= m_aValues;
+
+ if ( !m_xContext.is() )
+ return;
+
+ uno::Reference< container::XHierarchicalNameAccess > xTypeDescProv(
+ m_xContext->getValueByName("/singletons/com.sun.star.reflection.theTypeDescriptionManager"),
+ uno::UNO_QUERY_THROW );
+
+ m_xTypeDescription.set( xTypeDescProv->getByHierarchicalName( sConstantName ), uno::UNO_QUERY_THROW );
+ uno::Sequence<
+ uno::Reference< reflection::XConstantTypeDescription > >
+ cs(m_xTypeDescription->getConstants());
+ auto [begin, end] = asNonConstRange(cs);
+ std::sort(begin, end, CompareConstants());
+ m_aConstants = cs;
+}
+
+OUString StringRepresentation::convertSimpleToString( const uno::Any& _rValue )
+{
+ OUString sReturn;
+ if ( m_xTypeConverter.is() && _rValue.hasValue() )
+ {
+ try
+ {
+ if ( m_aConstants.hasElements() )
+ {
+ sal_Int16 nConstantValue = 0;
+ if ( _rValue >>= nConstantValue )
+ {
+ const uno::Reference< reflection::XConstantTypeDescription>* pIter = m_aConstants.getConstArray();
+ const uno::Reference< reflection::XConstantTypeDescription>* pEnd = pIter + m_aConstants.getLength();
+ for(sal_Int32 i = 0;pIter != pEnd;++pIter,++i)
+ {
+ if ( (*pIter)->getConstantValue() == _rValue )
+ {
+ OSL_ENSURE(i < m_aValues.getLength() ,"StringRepresentation::convertSimpleToString: Index is not in range of m_aValues");
+ sReturn = m_aValues[i];
+ break;
+ }
+ }
+ }
+ }
+
+ if ( sReturn.isEmpty() )
+ m_xTypeConverter->convertToSimpleType( _rValue, uno::TypeClass_STRING ) >>= sReturn;
+ }
+ catch( const script::CannotConvertException& ) { }
+ catch( const lang::IllegalArgumentException& ) { }
+ }
+ return sReturn;
+}
+
+
+namespace
+{
+ struct ConvertIntegerFromAndToString
+ {
+ OUString operator()( sal_Int32 _rIntValue ) const
+ {
+ return OUString::number( _rIntValue );
+ }
+ sal_Int32 operator()( std::u16string_view _rStringValue ) const
+ {
+ return o3tl::toInt32(_rStringValue);
+ }
+ };
+
+ struct StringIdentity
+ {
+ OUString operator()( const OUString& _rValue ) const
+ {
+ return _rValue;
+ }
+ };
+
+ template < class ElementType, class Transformer >
+ OUString composeSequenceElements( const Sequence< ElementType >& _rElements, const Transformer& _rTransformer )
+ {
+ OUStringBuffer sCompose;
+
+ // loop through the elements and concatenate the string representations of the integers
+ // (separated by a line break)
+ for (const auto& rElement : _rElements)
+ {
+ sCompose.append(OUString(_rTransformer(rElement)));
+ sCompose.append("\n");
+ }
+ sCompose.stripEnd('\n');
+
+ return sCompose.makeStringAndClear();
+ }
+
+ template < class ElementType, class Transformer >
+ void splitComposedStringToSequence( std::u16string_view _rComposed, Sequence< ElementType >& _out_SplitUp, const Transformer& _rTransformer )
+ {
+ _out_SplitUp.realloc( 0 );
+ if ( _rComposed.empty() )
+ return;
+ sal_Int32 tokenPos = 0;
+ do
+ {
+ _out_SplitUp.realloc( _out_SplitUp.getLength() + 1 );
+ _out_SplitUp.getArray()[ _out_SplitUp.getLength() - 1 ] = static_cast<ElementType>(_rTransformer( OUString(o3tl::getToken(_rComposed, 0, '\n', tokenPos )) ));
+ }
+ while ( tokenPos != -1 );
+ }
+}
+
+
+bool StringRepresentation::convertGenericValueToString( const uno::Any& _rValue, OUString& _rStringRep )
+{
+ bool bCanConvert = true;
+
+ switch ( _rValue.getValueTypeClass() )
+ {
+ case uno::TypeClass_STRING:
+ _rValue >>= _rStringRep;
+ break;
+
+ case uno::TypeClass_BOOLEAN:
+ {
+ bool bValue = false;
+ _rValue >>= bValue;
+ _rStringRep = bValue ? PcrRes(RID_RSC_ENUM_YESNO[1])
+ : PcrRes(RID_RSC_ENUM_YESNO[0]);
+ }
+ break;
+
+ // some sequence types
+ case uno::TypeClass_SEQUENCE:
+ {
+ Sequence< OUString > aStringValues;
+ Sequence< sal_Int8 > aInt8Values;
+ Sequence< sal_uInt16 > aUInt16Values;
+ Sequence< sal_Int16 > aInt16Values;
+ Sequence< sal_uInt32 > aUInt32Values;
+ Sequence< sal_Int32 > aInt32Values;
+
+ // string sequences
+ if ( _rValue >>= aStringValues )
+ {
+ _rStringRep = composeSequenceElements( aStringValues, StringIdentity() );
+ }
+ // byte sequences
+ else if ( _rValue >>= aInt8Values )
+ {
+ _rStringRep = composeSequenceElements( aInt8Values, ConvertIntegerFromAndToString() );
+ }
+ // uInt16 sequences
+ else if ( _rValue >>= aUInt16Values )
+ {
+ _rStringRep = composeSequenceElements( aUInt16Values, ConvertIntegerFromAndToString() );
+ }
+ // Int16 sequences
+ else if ( _rValue >>= aInt16Values )
+ {
+ _rStringRep = composeSequenceElements( aInt16Values, ConvertIntegerFromAndToString() );
+ }
+ // uInt32 sequences
+ else if ( _rValue >>= aUInt32Values )
+ {
+ _rStringRep = composeSequenceElements( aUInt32Values, ConvertIntegerFromAndToString() );
+ }
+ // Int32 sequences
+ else if ( _rValue >>= aInt32Values )
+ {
+ _rStringRep = composeSequenceElements( aInt32Values, ConvertIntegerFromAndToString() );
+ }
+ else
+ bCanConvert = false;
+ }
+ break;
+ case uno::TypeClass_CONSTANT:
+ break;
+
+ // some structs
+ case uno::TypeClass_STRUCT:
+ OSL_FAIL( "StringRepresentation::convertGenericValueToString(STRUCT): this is dead code - isn't it?" );
+ if ( _rValue.getValueType().equals( cppu::UnoType< util::Date >::get() ))
+ {
+ // weird enough, the string representation of dates, as used
+ // by the control displaying dates, and thus as passed through the layers,
+ // is YYYYMMDD.
+ util::Date aUnoDate;
+ _rValue >>= aUnoDate;
+ _rStringRep = ::dbtools::DBTypeConversion::toDateString(aUnoDate);
+ }
+ else if ( _rValue.getValueType().equals( cppu::UnoType< util::Time >::get() ))
+ {
+ // similar for time (HHMMSSHH)
+ util::Time aUnoTime;
+ _rValue >>= aUnoTime;
+ _rStringRep = ::dbtools::DBTypeConversion::toTimeString(aUnoTime);
+ }
+ else if ( _rValue.getValueType().equals( cppu::UnoType< util::DateTime >::get() ))
+ {
+ util::DateTime aUnoDateTime;
+ _rValue >>= aUnoDateTime;
+ _rStringRep = ::dbtools::DBTypeConversion::toDateTimeString(aUnoDateTime);
+ }
+ else
+ bCanConvert = false;
+ break;
+
+ default:
+ bCanConvert = false;
+ break;
+ }
+
+ return bCanConvert;
+}
+
+uno::Any StringRepresentation::convertStringToSimple( const OUString& _rValue,const uno::TypeClass& _ePropertyType )
+{
+ uno::Any aReturn;
+ if ( m_xTypeConverter.is() && !_rValue.isEmpty() )
+ {
+ try
+ {
+ if ( m_aConstants.hasElements() && m_aValues.hasElements() )
+ {
+ const OUString* pIter = m_aValues.getConstArray();
+ const OUString* pEnd = pIter + m_aValues.getLength();
+ for(sal_Int32 i = 0;pIter != pEnd;++pIter,++i)
+ {
+ if ( *pIter == _rValue )
+ {
+ OSL_ENSURE(i < m_aConstants.getLength() ,"StringRepresentation::convertSimpleToString: Index is not in range of m_aValues");
+ aReturn = m_aConstants[i]->getConstantValue();
+ break;
+ }
+ }
+ }
+
+ if ( !aReturn.hasValue() )
+ aReturn = m_xTypeConverter->convertToSimpleType( Any( _rValue ), _ePropertyType );
+ }
+ catch( const script::CannotConvertException& ) { }
+ catch( const lang::IllegalArgumentException& ) { }
+ }
+ return aReturn;
+}
+
+bool StringRepresentation::convertStringToGenericValue( const OUString& _rStringRep, uno::Any& _rValue, const uno::Type& _rTargetType )
+{
+ bool bCanConvert = true;
+
+ switch ( _rTargetType.getTypeClass() )
+ {
+ case uno::TypeClass_STRING:
+ _rValue <<= _rStringRep;
+ break;
+
+ case uno::TypeClass_BOOLEAN:
+ {
+ _rValue <<= PcrRes(RID_RSC_ENUM_YESNO[0]) != _rStringRep;
+ }
+ break;
+
+ case uno::TypeClass_SEQUENCE:
+ {
+ uno::Type aElementType = ::comphelper::getSequenceElementType( _rTargetType );
+
+ switch ( aElementType.getTypeClass() )
+ {
+ case uno::TypeClass_STRING:
+ {
+ Sequence< OUString > aElements;
+ splitComposedStringToSequence( _rStringRep, aElements, StringIdentity() );
+ _rValue <<= aElements;
+ }
+ break;
+ case uno::TypeClass_SHORT:
+ {
+ Sequence< sal_Int16 > aElements;
+ splitComposedStringToSequence( _rStringRep, aElements, ConvertIntegerFromAndToString() );
+ _rValue <<= aElements;
+ }
+ break;
+ case uno::TypeClass_UNSIGNED_SHORT:
+ {
+ Sequence< sal_uInt16 > aElements;
+ splitComposedStringToSequence( _rStringRep, aElements, ConvertIntegerFromAndToString() );
+ _rValue <<= aElements;
+ }
+ break;
+ case uno::TypeClass_LONG:
+ {
+ Sequence< sal_Int32 > aElements;
+ splitComposedStringToSequence( _rStringRep, aElements, ConvertIntegerFromAndToString() );
+ _rValue <<= aElements;
+ }
+ break;
+ case uno::TypeClass_UNSIGNED_LONG:
+ {
+ Sequence< sal_uInt32 > aElements;
+ splitComposedStringToSequence( _rStringRep, aElements, ConvertIntegerFromAndToString() );
+ _rValue <<= aElements;
+ }
+ break;
+ case uno::TypeClass_BYTE:
+ {
+ Sequence< sal_Int8 > aElements;
+ splitComposedStringToSequence( _rStringRep, aElements, ConvertIntegerFromAndToString() );
+ _rValue <<= aElements;
+ }
+ break;
+ default:
+ bCanConvert = false;
+ break;
+ }
+ }
+ break;
+
+ case uno::TypeClass_STRUCT:
+ OSL_FAIL( "StringRepresentation::convertStringToGenericValue(STRUCT): this is dead code - isn't it?" );
+ if ( _rTargetType.equals( cppu::UnoType< util::Date >::get() ))
+ {
+ // weird enough, the string representation of dates, as used
+ // by the control displaying dates, and thus as passed through the layers,
+ // is YYYYMMDD.
+
+ _rValue <<= ::dbtools::DBTypeConversion::toDate(_rStringRep);
+ }
+ else if ( _rTargetType.equals( cppu::UnoType< util::Time >::get() ))
+ {
+ // similar for time (HHMMSSHH)
+ _rValue <<= ::dbtools::DBTypeConversion::toTime(_rStringRep);
+ }
+ else if ( _rTargetType.equals( cppu::UnoType< util::DateTime >::get() ))
+ {
+ _rValue <<= ::dbtools::DBTypeConversion::toDateTime(_rStringRep);
+ }
+ else
+ bCanConvert = false;
+ break;
+
+ default:
+ bCanConvert = false;
+ break;
+ }
+
+ return bCanConvert;
+}
+
+
+} // pcr
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+extensions_propctrlr_StringRepresentation_get_implementation(
+ css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
+{
+ return cppu::acquire(new pcr::StringRepresentation(context));
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */