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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 <oooresourceloader.hxx>
#include <vcl/svapp.hxx>
#include <tools/simplerm.hxx>
#include <tools/rcid.h>
#include <cppuhelper/implbase1.hxx>
#include <cppuhelper/weakref.hxx>
#include <boost/shared_ptr.hpp>
#include <map>
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 IResourceType
{
public:
/** returns the RESOURCE_TYPE associated with this instance
*/
virtual RESOURCE_TYPE getResourceType() const = 0;
/** 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 caler checked via <code>_resourceManager.IsAvailable( getResourceType(), _resourceId )</code>
that the required resource really exists
*/
virtual Any getResource( SimpleResMgr& _resourceManager, sal_Int32 _resourceId ) const = 0;
virtual ~IResourceType() { };
};
class StringResourceAccess : public IResourceType
{
public:
StringResourceAccess();
// IResourceType
virtual RESOURCE_TYPE getResourceType() const;
virtual Any getResource( SimpleResMgr& _resourceManager, sal_Int32 _resourceId ) const;
};
StringResourceAccess::StringResourceAccess()
{
}
RESOURCE_TYPE StringResourceAccess::getResourceType() const
{
return RSC_STRING;
}
Any StringResourceAccess::getResource( SimpleResMgr& _resourceManager, sal_Int32 _resourceId ) const
{
OSL_PRECOND( _resourceManager.IsAvailable( getResourceType(), _resourceId ), "StringResourceAccess::getResource: precondition not met!" );
Any aResource;
aResource <<= ::rtl::OUString( _resourceManager.ReadString( _resourceId ) );
return aResource;
}
typedef ::cppu::WeakImplHelper1 < XResourceBundle
> OpenOfficeResourceBundle_Base;
class OpenOfficeResourceBundle : public OpenOfficeResourceBundle_Base
{
private:
typedef ::boost::shared_ptr< IResourceType > ResourceTypePtr;
typedef ::std::map< ::rtl::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 ::rtl::OUString& _rBaseName,
const Locale& _rLocale
);
protected:
~OpenOfficeResourceBundle();
public:
// XResourceBundle
virtual ::com::sun::star::uno::Reference< ::com::sun::star::resource::XResourceBundle > SAL_CALL getParent() throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setParent( const ::com::sun::star::uno::Reference< ::com::sun::star::resource::XResourceBundle >& _parent ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::lang::Locale SAL_CALL getLocale( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Any SAL_CALL getDirectElement( const ::rtl::OUString& key ) throw (::com::sun::star::uno::RuntimeException);
// XNameAccess (base of XResourceBundle)
virtual ::com::sun::star::uno::Any SAL_CALL getByName( const ::rtl::OUString& aName ) throw (::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getElementNames( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::sal_Bool SAL_CALL hasByName( const ::rtl::OUString& aName ) throw (::com::sun::star::uno::RuntimeException);
// XElementAccess (base of XNameAccess)
virtual ::com::sun::star::uno::Type SAL_CALL getElementType( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::sal_Bool SAL_CALL hasElements( ) throw (::com::sun::star::uno::RuntimeException);
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
<TRUE/> if and only if the element could be retrieved
@precond
our mutex is locked
*/
bool impl_getDirectElement_nothrow( const ::rtl::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
<TRUE/> if and only if the given key specifies a known resource type, and contains a valid
resource id
*/
bool impl_getResourceTypeAndId_nothrow( const ::rtl::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 ::rtl::OUString& _baseName ) throw (MissingResourceException, RuntimeException)
{
return loadBundle( _baseName, Application::GetSettings().GetUILanguageTag().getLocale() );
}
//--------------------------------------------------------------------
Reference< XResourceBundle > SAL_CALL OpenOfficeResourceLoader::loadBundle( const ::rtl::OUString& _baseName, const Locale& _locale ) throw (MissingResourceException, RuntimeException)
{
::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 ::rtl::OUString& _rBaseName, const Locale& _rLocale )
:m_aLocale( _rLocale )
,m_pResourceManager( NULL )
{
::rtl::OUString sBaseName( _rBaseName );
m_pResourceManager = new SimpleResMgr( rtl::OUStringToOString( sBaseName, RTL_TEXTENCODING_UTF8 ).getStr(), m_aLocale );
if ( !m_pResourceManager->IsValid() )
{
delete m_pResourceManager, m_pResourceManager = NULL;
throw MissingResourceException();
}
// supported resource types so far: strings
m_aResourceTypes[ ::rtl::OUString( "string" ) ] =
ResourceTypePtr( new StringResourceAccess );
}
OpenOfficeResourceBundle::~OpenOfficeResourceBundle()
{
delete m_pResourceManager;
}
Reference< XResourceBundle > SAL_CALL OpenOfficeResourceBundle::getParent() throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
return m_xParent;
}
void SAL_CALL OpenOfficeResourceBundle::setParent( const Reference< XResourceBundle >& _parent ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
m_xParent = _parent;
}
Locale SAL_CALL OpenOfficeResourceBundle::getLocale( ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
return m_aLocale;
}
bool OpenOfficeResourceBundle::impl_getResourceTypeAndId_nothrow( const ::rtl::OUString& _key, ResourceTypePtr& _out_resourceType, sal_Int32& _out_resourceId ) const
{
sal_Int32 typeSeparatorPos = _key.indexOf( ':' );
if ( typeSeparatorPos == -1 )
// invalid key
return false;
::rtl::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 ::rtl::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( resourceType->getResourceType(), resourceId ) )
// no such resource with the given type/id
return false;
_out_Element = resourceType->getResource( *m_pResourceManager, resourceId );
return _out_Element.hasValue();
}
Any SAL_CALL OpenOfficeResourceBundle::getDirectElement( const ::rtl::OUString& _key ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
Any aElement;
impl_getDirectElement_nothrow( _key, aElement );
return aElement;
}
Any SAL_CALL OpenOfficeResourceBundle::getByName( const ::rtl::OUString& _key ) throw (NoSuchElementException, WrappedTargetException, RuntimeException)
{
::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( ::rtl::OUString(), *this );
return aElement;
}
Sequence< ::rtl::OUString > SAL_CALL OpenOfficeResourceBundle::getElementNames( ) throw (RuntimeException)
{
::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< ::rtl::OUString >( );
}
::sal_Bool SAL_CALL OpenOfficeResourceBundle::hasByName( const ::rtl::OUString& _key ) throw (RuntimeException)
{
::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( resourceType->getResourceType(), resourceId ) )
return sal_False;
return sal_True;
}
Type SAL_CALL OpenOfficeResourceBundle::getElementType( ) throw (RuntimeException)
{
return ::cppu::UnoType< Any >::get();
}
::sal_Bool SAL_CALL OpenOfficeResourceBundle::hasElements( ) throw (RuntimeException)
{
::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( );
}
}}
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