/* -*- 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 #include #include #include #include #include #include #include #include using namespace ::com::sun::star::uno; using namespace ::com::sun::star::resource; using namespace ::com::sun::star::container; using namespace ::com::sun::star::lang; namespace extensions { namespace resource { /** encapsulates access to a fixed resource type */ class StringResourceAccess { public: StringResourceAccess(); /** returns the RESOURCE_TYPE associated with this instance */ static RESOURCE_TYPE getResourceType(); /** reads a single resource from the given resource manager @param _resourceManager the resource manager to read from @param _resourceId the id of the resource to read @return the required resource @precond the caller checked via _resourceManager.IsAvailable( getResourceType(), _resourceId ) that the required resource really exists */ static Any getResource( SimpleResMgr& _resourceManager, sal_Int32 _resourceId ); }; StringResourceAccess::StringResourceAccess() { } RESOURCE_TYPE StringResourceAccess::getResourceType() { return RSC_STRING; } Any StringResourceAccess::getResource( SimpleResMgr& _resourceManager, sal_Int32 _resourceId ) { OSL_PRECOND( _resourceManager.IsAvailable( getResourceType(), _resourceId ), "StringResourceAccess::getResource: precondition not met!" ); Any aResource; aResource <<= OUString( _resourceManager.ReadString( _resourceId ) ); return aResource; } typedef ::cppu::WeakImplHelper < XResourceBundle > OpenOfficeResourceBundle_Base; class OpenOfficeResourceBundle : public OpenOfficeResourceBundle_Base { private: typedef std::shared_ptr< StringResourceAccess > ResourceTypePtr; typedef ::std::map< OUString, ResourceTypePtr > ResourceTypes; ::osl::Mutex m_aMutex; Reference< XResourceBundle > m_xParent; Locale m_aLocale; SimpleResMgr* m_pResourceManager; ResourceTypes m_aResourceTypes; public: OpenOfficeResourceBundle( const Reference< XComponentContext >& _rxContext, const OUString& _rBaseName, const Locale& _rLocale ); protected: virtual ~OpenOfficeResourceBundle(); public: // XResourceBundle virtual css::uno::Reference< css::resource::XResourceBundle > SAL_CALL getParent() throw (css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL setParent( const css::uno::Reference< css::resource::XResourceBundle >& _parent ) throw (css::uno::RuntimeException, std::exception) override; virtual css::lang::Locale SAL_CALL getLocale( ) throw (css::uno::RuntimeException, std::exception) override; virtual css::uno::Any SAL_CALL getDirectElement( const OUString& key ) throw (css::uno::RuntimeException, std::exception) override; // XNameAccess (base of XResourceBundle) virtual css::uno::Any SAL_CALL getByName( const OUString& aName ) throw (css::container::NoSuchElementException, css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) override; virtual css::uno::Sequence< OUString > SAL_CALL getElementNames( ) throw (css::uno::RuntimeException, std::exception) override; virtual sal_Bool SAL_CALL hasByName( const OUString& aName ) throw (css::uno::RuntimeException, std::exception) override; // XElementAccess (base of XNameAccess) virtual css::uno::Type SAL_CALL getElementType( ) throw (css::uno::RuntimeException, std::exception) override; virtual sal_Bool SAL_CALL hasElements( ) throw (css::uno::RuntimeException, std::exception) override; private: /** retrievs the element with the given key, without asking our parent bundle @param _key the key of the element to retrieve @param _out_Element will contained the retrieved element upon successful return. If the method is unsuccessful, the value will not be touched. @return if and only if the element could be retrieved @precond our mutex is locked */ bool impl_getDirectElement_nothrow( const OUString& _key, Any& _out_Element ) const; /** retrieves the resource type and id from a given resource key, which assembles those two @param _key the resource key as got via a public API call @param _out_resourceType the resource type, if successful @param _out_resourceId the resource id, if successful @return if and only if the given key specifies a known resource type, and contains a valid resource id */ bool impl_getResourceTypeAndId_nothrow( const OUString& _key, ResourceTypePtr& _out_resourceType, sal_Int32& _out_resourceId ) const; }; OpenOfficeResourceLoader::OpenOfficeResourceLoader( Reference< XComponentContext > const& _rxContext ) :m_xContext( _rxContext ) { } Reference< XResourceBundle > SAL_CALL OpenOfficeResourceLoader::loadBundle_Default( const OUString& _baseName ) throw (MissingResourceException, RuntimeException, std::exception) { return loadBundle( _baseName, Application::GetSettings().GetUILanguageTag().getLocale() ); } Reference< XResourceBundle > SAL_CALL OpenOfficeResourceLoader::loadBundle( const OUString& _baseName, const Locale& _locale ) throw (MissingResourceException, RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); Reference< XResourceBundle > xBundle; ResourceBundleDescriptor resourceDescriptor( _baseName, _locale ); ResourceBundleCache::iterator cachePos = m_aBundleCache.find( resourceDescriptor ); if ( cachePos != m_aBundleCache.end() ) xBundle = cachePos->second; if ( !xBundle.is() ) { // not in the cache, or already died xBundle = new OpenOfficeResourceBundle( m_xContext, _baseName, _locale ); m_aBundleCache.insert( ResourceBundleCache::value_type( resourceDescriptor, xBundle ) ); } return xBundle; } OpenOfficeResourceBundle::OpenOfficeResourceBundle( const Reference< XComponentContext >& /*_rxContext*/, const OUString& _rBaseName, const Locale& _rLocale ) :m_aLocale( _rLocale ) ,m_pResourceManager( nullptr ) { OUString sBaseName( _rBaseName ); m_pResourceManager = new SimpleResMgr( OUStringToOString( sBaseName, RTL_TEXTENCODING_UTF8 ).getStr(), LanguageTag( m_aLocale) ); if ( !m_pResourceManager->IsValid() ) { delete m_pResourceManager, m_pResourceManager = nullptr; throw MissingResourceException(); } // supported resource types so far: strings m_aResourceTypes[ OUString( "string" ) ] = ResourceTypePtr( new StringResourceAccess ); } OpenOfficeResourceBundle::~OpenOfficeResourceBundle() { delete m_pResourceManager; } Reference< XResourceBundle > SAL_CALL OpenOfficeResourceBundle::getParent() throw (RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); return m_xParent; } void SAL_CALL OpenOfficeResourceBundle::setParent( const Reference< XResourceBundle >& _parent ) throw (RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); m_xParent = _parent; } Locale SAL_CALL OpenOfficeResourceBundle::getLocale( ) throw (RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); return m_aLocale; } bool OpenOfficeResourceBundle::impl_getResourceTypeAndId_nothrow( const OUString& _key, ResourceTypePtr& _out_resourceType, sal_Int32& _out_resourceId ) const { sal_Int32 typeSeparatorPos = _key.indexOf( ':' ); if ( typeSeparatorPos == -1 ) // invalid key return false; OUString resourceType = _key.copy( 0, typeSeparatorPos ); ResourceTypes::const_iterator typePos = m_aResourceTypes.find( resourceType ); if ( typePos == m_aResourceTypes.end() ) // don't know this resource type return false; _out_resourceType = typePos->second; _out_resourceId = _key.copy( typeSeparatorPos + 1 ).toInt32(); return true; } bool OpenOfficeResourceBundle::impl_getDirectElement_nothrow( const OUString& _key, Any& _out_Element ) const { ResourceTypePtr resourceType; sal_Int32 resourceId( 0 ); if ( !impl_getResourceTypeAndId_nothrow( _key, resourceType, resourceId ) ) return false; if ( !m_pResourceManager->IsAvailable( StringResourceAccess::getResourceType(), resourceId ) ) // no such resource with the given type/id return false; _out_Element = StringResourceAccess::getResource( *m_pResourceManager, resourceId ); return _out_Element.hasValue(); } Any SAL_CALL OpenOfficeResourceBundle::getDirectElement( const OUString& _key ) throw (RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); Any aElement; impl_getDirectElement_nothrow( _key, aElement ); return aElement; } Any SAL_CALL OpenOfficeResourceBundle::getByName( const OUString& _key ) throw (NoSuchElementException, WrappedTargetException, RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); Any aElement; if ( !impl_getDirectElement_nothrow( _key, aElement ) ) { if ( m_xParent.is() ) aElement = m_xParent->getByName( _key ); } if ( !aElement.hasValue() ) throw NoSuchElementException( OUString(), *this ); return aElement; } Sequence< OUString > SAL_CALL OpenOfficeResourceBundle::getElementNames( ) throw (RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); OSL_FAIL( "OpenOfficeResourceBundle::getElementNames: not implemented!" ); // the (Simple)ResManager does not provide an API to enumerate the resources return Sequence< OUString >( ); } sal_Bool SAL_CALL OpenOfficeResourceBundle::hasByName( const OUString& _key ) throw (RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); ResourceTypePtr resourceType; sal_Int32 resourceId( 0 ); if ( !impl_getResourceTypeAndId_nothrow( _key, resourceType, resourceId ) ) return sal_False; if ( !m_pResourceManager->IsAvailable( StringResourceAccess::getResourceType(), resourceId ) ) return sal_False; return sal_True; } Type SAL_CALL OpenOfficeResourceBundle::getElementType( ) throw (RuntimeException, std::exception) { return ::cppu::UnoType< Any >::get(); } sal_Bool SAL_CALL OpenOfficeResourceBundle::hasElements( ) throw (RuntimeException, std::exception) { ::osl::MutexGuard aGuard( m_aMutex ); OSL_FAIL( "OpenOfficeResourceBundle::hasElements: not implemented!" ); // the (Simple)ResManager does not provide an API to enumerate the resources return sal_Bool( ); } }} /* vim:set shiftwidth=4 softtabstop=4 expandtab: */