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Diffstat (limited to 'stoc/source/corereflection/crefl.cxx')
| -rw-r--r-- | stoc/source/corereflection/crefl.cxx | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/stoc/source/corereflection/crefl.cxx b/stoc/source/corereflection/crefl.cxx new file mode 100644 index 000000000..af1854e7e --- /dev/null +++ b/stoc/source/corereflection/crefl.cxx @@ -0,0 +1,379 @@ +/* -*- 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 <cppuhelper/queryinterface.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <cppuhelper/typeprovider.hxx> +#include <sal/log.hxx> + +#include <com/sun/star/reflection/XConstantTypeDescription.hpp> +#include <com/sun/star/reflection/XTypeDescription.hpp> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <o3tl/any.hxx> +#include <uno/lbnames.h> + +using namespace css; +using namespace css::uno; +using namespace css::lang; +using namespace css::reflection; +using namespace cppu; +using namespace osl; + + +#include "base.hxx" + + +namespace stoc_corefl +{ + +IdlReflectionServiceImpl::IdlReflectionServiceImpl( + const Reference< XComponentContext > & xContext ) + : OComponentHelper( _aComponentMutex ) +{ + xContext->getValueByName( + "/singletons/com.sun.star.reflection.theTypeDescriptionManager" ) >>= _xTDMgr; + OSL_ENSURE( _xTDMgr.is(), "### cannot get singleton \"TypeDescriptionManager\" from context!" ); +} + +IdlReflectionServiceImpl::~IdlReflectionServiceImpl() {} + +// XInterface + +Any IdlReflectionServiceImpl::queryInterface( const Type & rType ) +{ + Any aRet( ::cppu::queryInterface( + rType, + static_cast< XIdlReflection * >( this ), + static_cast< XHierarchicalNameAccess * >( this ), + static_cast< XServiceInfo * >( this ) ) ); + + return (aRet.hasValue() ? aRet : OComponentHelper::queryInterface( rType )); +} + +void IdlReflectionServiceImpl::acquire() noexcept +{ + OComponentHelper::acquire(); +} + +void IdlReflectionServiceImpl::release() noexcept +{ + OComponentHelper::release(); +} + +// XTypeProvider + +Sequence< Type > IdlReflectionServiceImpl::getTypes() +{ + static OTypeCollection s_aTypes( + cppu::UnoType<XIdlReflection>::get(), + cppu::UnoType<XHierarchicalNameAccess>::get(), + cppu::UnoType<XServiceInfo>::get(), + OComponentHelper::getTypes() ); + + return s_aTypes.getTypes(); +} + +Sequence< sal_Int8 > IdlReflectionServiceImpl::getImplementationId() +{ + return css::uno::Sequence<sal_Int8>(); +} + +// XComponent + +void IdlReflectionServiceImpl::dispose() +{ + OComponentHelper::dispose(); + + MutexGuard aGuard( _aComponentMutex ); + _aElements.clear(); +#ifdef TEST_LIST_CLASSES + OSL_ENSURE( g_aClassNames.empty(), "### idl classes still alive!" ); + for (auto const& className : g_aClassNames) + { + OUString aName(className); + } +#endif +} + +// XServiceInfo + +OUString IdlReflectionServiceImpl::getImplementationName() +{ + return "com.sun.star.comp.stoc.CoreReflection"; +} + +sal_Bool IdlReflectionServiceImpl::supportsService( const OUString & rServiceName ) +{ + return cppu::supportsService(this, rServiceName); +} + +Sequence< OUString > IdlReflectionServiceImpl::getSupportedServiceNames() +{ + Sequence< OUString > seqNames { "com.sun.star.reflection.CoreReflection" }; + return seqNames; +} + +// XIdlReflection + +Reference< XIdlClass > IdlReflectionServiceImpl::getType( const Any & rObj ) +{ + return (rObj.hasValue() ? forType( rObj.getValueTypeRef() ) : Reference< XIdlClass >()); +} + + +inline Reference< XIdlClass > IdlReflectionServiceImpl::constructClass( + typelib_TypeDescription * pTypeDescr ) +{ + OSL_ENSURE( pTypeDescr->eTypeClass != typelib_TypeClass_TYPEDEF, "### unexpected typedef!" ); + + switch (pTypeDescr->eTypeClass) + { + case typelib_TypeClass_VOID: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_FLOAT: + case typelib_TypeClass_DOUBLE: + case typelib_TypeClass_STRING: + case typelib_TypeClass_ANY: + return new IdlClassImpl( this, pTypeDescr->pTypeName, pTypeDescr->eTypeClass, pTypeDescr ); + + case typelib_TypeClass_ENUM: + return new EnumIdlClassImpl( this, pTypeDescr->pTypeName, pTypeDescr->eTypeClass, pTypeDescr ); + + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: + return new CompoundIdlClassImpl( this, pTypeDescr->pTypeName, pTypeDescr->eTypeClass, pTypeDescr ); + + case typelib_TypeClass_SEQUENCE: + return new ArrayIdlClassImpl( this, pTypeDescr->pTypeName, pTypeDescr->eTypeClass, pTypeDescr ); + + case typelib_TypeClass_INTERFACE: + return new InterfaceIdlClassImpl( this, pTypeDescr->pTypeName, pTypeDescr->eTypeClass, pTypeDescr ); + + case typelib_TypeClass_TYPE: + return new IdlClassImpl( this, pTypeDescr->pTypeName, pTypeDescr->eTypeClass, pTypeDescr ); + + default: + SAL_INFO("stoc", "corereflection type unsupported: " << pTypeDescr->pTypeName); + return Reference< XIdlClass >(); + } +} + +Reference< XIdlClass > IdlReflectionServiceImpl::forName( const OUString & rTypeName ) +{ + Reference< XIdlClass > xRet; + Any aAny( _aElements.getValue( rTypeName ) ); + + if (aAny.hasValue()) + { + aAny >>= xRet; + } + else + { + // try to get _type_ by name + typelib_TypeDescription * pTD = nullptr; + typelib_typedescription_getByName( &pTD, rTypeName.pData ); + if (pTD) + { + xRet = constructClass( pTD ); + if (xRet.is()) + _aElements.setValue( rTypeName, Any( xRet ) ); // update + typelib_typedescription_release( pTD ); + } + } + + return xRet; +} + +// XHierarchicalNameAccess + +Any IdlReflectionServiceImpl::getByHierarchicalName( const OUString & rName ) +{ + Any aRet( _aElements.getValue( rName ) ); + if (! aRet.hasValue()) + { + aRet = _xTDMgr->getByHierarchicalName( rName ); + if (aRet.getValueTypeClass() == TypeClass_INTERFACE) + { + // type retrieved from tdmgr + OSL_ASSERT( (*o3tl::forceAccess<Reference<XInterface>>(aRet))->queryInterface( + cppu::UnoType<XTypeDescription>::get()).hasValue() ); + + css::uno::Reference< css::reflection::XConstantTypeDescription > + ctd; + if (aRet >>= ctd) + { + aRet = ctd->getConstantValue(); + } + else + { + // if you are interested in a type then CALL forName()!!! + // this way is NOT recommended for types, because this method looks for constants first + + // if td manager found some type, it will be in the cache (hopefully... we just got it) + // so the second retrieving via c typelib callback chain should succeed... + + // try to get _type_ by name + typelib_TypeDescription * pTD = nullptr; + typelib_typedescription_getByName( &pTD, rName.pData ); + + aRet.clear(); // kick XTypeDescription interface + + if (pTD) + { + Reference< XIdlClass > xIdlClass( constructClass( pTD ) ); + aRet.setValue( &xIdlClass, cppu::UnoType<XIdlClass>::get()); + typelib_typedescription_release( pTD ); + } + } + } + // else is enum member(?) + + // update + if (!aRet.hasValue()) + throw container::NoSuchElementException( rName ); + + _aElements.setValue( rName, aRet ); + } + return aRet; +} + +sal_Bool IdlReflectionServiceImpl::hasByHierarchicalName( const OUString & rName ) +{ + try + { + return getByHierarchicalName( rName ).hasValue(); + } + catch (container::NoSuchElementException &) + { + } + return false; +} + + +Reference< XIdlClass > IdlReflectionServiceImpl::forType( typelib_TypeDescription * pTypeDescr ) +{ + Reference< XIdlClass > xRet; + OUString aName( pTypeDescr->pTypeName ); + Any aAny( _aElements.getValue( aName ) ); + + if (aAny.hasValue()) + { + aAny >>= xRet; + } + else + { + xRet = constructClass( pTypeDescr ); + if (xRet.is()) + _aElements.setValue( aName, Any( xRet ) ); // update + } + + return xRet; +} + +Reference< XIdlClass > IdlReflectionServiceImpl::forType( typelib_TypeDescriptionReference * pRef ) +{ + typelib_TypeDescription * pTD = nullptr; + TYPELIB_DANGER_GET( &pTD, pRef ); + if (pTD) + { + Reference< XIdlClass > xRet = forType( pTD ); + TYPELIB_DANGER_RELEASE( pTD ); + return xRet; + } + throw RuntimeException( + "IdlReflectionServiceImpl::forType() failed!", + static_cast<XWeak *>(static_cast<OWeakObject *>(this)) ); +} + + +const Mapping & IdlReflectionServiceImpl::getCpp2Uno() +{ + if (! _aCpp2Uno.is()) + { + MutexGuard aGuard( getMutexAccess() ); + if (! _aCpp2Uno.is()) + { + _aCpp2Uno = Mapping( CPPU_CURRENT_LANGUAGE_BINDING_NAME, UNO_LB_UNO ); + OSL_ENSURE( _aCpp2Uno.is(), "### cannot get c++ to uno mapping!" ); + if (! _aCpp2Uno.is()) + { + throw RuntimeException( + "cannot get c++ to uno mapping!", + static_cast<XWeak *>(static_cast<OWeakObject *>(this)) ); + } + } + } + return _aCpp2Uno; +} + +const Mapping & IdlReflectionServiceImpl::getUno2Cpp() +{ + if (! _aUno2Cpp.is()) + { + MutexGuard aGuard( getMutexAccess() ); + if (! _aUno2Cpp.is()) + { + _aUno2Cpp = Mapping( UNO_LB_UNO, CPPU_CURRENT_LANGUAGE_BINDING_NAME ); + OSL_ENSURE( _aUno2Cpp.is(), "### cannot get uno to c++ mapping!" ); + if (! _aUno2Cpp.is()) + { + throw RuntimeException( + "cannot get uno to c++ mapping!", + static_cast<XWeak *>(static_cast<OWeakObject *>(this)) ); + } + } + } + return _aUno2Cpp; +} + +uno_Interface * IdlReflectionServiceImpl::mapToUno( + const Any & rObj, typelib_InterfaceTypeDescription * pTo ) +{ + Reference< XInterface > xObj; + if (extract( rObj, pTo, xObj, this )) + return static_cast<uno_Interface *>(getCpp2Uno().mapInterface( xObj.get(), pTo )); + + throw RuntimeException( + "illegal object given!", + static_cast<XWeak *>(static_cast<OWeakObject *>(this)) ); +} + +} + + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_comp_stoc_CoreReflection_get_implementation( + css::uno::XComponentContext * context, + css::uno::Sequence<css::uno::Any> const & arguments) +{ + SAL_WARN_IF( + arguments.hasElements(), "stoc", "unexpected singleton arguments"); + return cppu::acquire(new stoc_corefl::IdlReflectionServiceImpl(context)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |