office-gobmx/cppuhelper/source/macro_expander.cxx
2002-12-06 09:12:29 +00:00

289 lines
9.2 KiB
C++

/*************************************************************************
*
* $RCSfile: macro_expander.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: dbo $ $Date: 2002-12-06 10:12:28 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2002 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include <rtl/bootstrap.hxx>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/implbase3.hxx>
#include <cppuhelper/compbase3.hxx>
#include <cppuhelper/component_context.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/util/XMacroExpander.hpp>
#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
#define SERVICE_NAME_A "com.sun.star.lang.MacroExpander"
#define SERVICE_NAME_B "com.sun.star.lang.BootstrapMacroExpander"
#define IMPL_NAME "com.sun.star.lang.comp.cppuhelper.BootstrapMacroExpander"
using namespace ::rtl;
using namespace ::osl;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
namespace cppu
{
//---- private forward -----------------------------------------------------------------------------
Bootstrap const & get_unorc() SAL_THROW( () );
}
namespace
{
// static stuff initialized when loading lib
static OUString s_impl_name = OUSTR(IMPL_NAME);
static Sequence< OUString > const & s_get_service_names()
{
static Sequence< OUString > const * s_pnames = 0;
if (! s_pnames)
{
MutexGuard guard( Mutex::getGlobalMutex() );
if (! s_pnames)
{
static Sequence< OUString > s_names( 2 );
s_names[ 0 ] = OUSTR(SERVICE_NAME_A);
s_names[ 1 ] = OUSTR(SERVICE_NAME_B);
s_pnames = &s_names;
}
}
return *s_pnames;
}
typedef ::cppu::WeakComponentImplHelper3<
util::XMacroExpander, lang::XServiceInfo, lang::XInitialization > t_uno_impl;
#if defined(MACOSX)
// Initialize static template data here to break circular reference to libstatic
cppu::ClassData3 cppu::WeakComponentImplHelper3< com::sun::star::util::XMacroExpander, com::sun::star::lang::XServiceInfo, com::sun::star::lang::XInitialization >::s_aCD(1);
#endif
struct mutex_holder
{
Mutex m_mutex;
};
class Bootstrap_MacroExpander : public mutex_holder, public t_uno_impl
{
rtlBootstrapHandle m_bstrap;
OUString m_rc_path;
protected:
virtual void SAL_CALL disposing();
public:
inline Bootstrap_MacroExpander( Reference< XComponentContext > const & ) SAL_THROW( () )
: t_uno_impl( m_mutex ),
m_bstrap( 0 )
{}
virtual ~Bootstrap_MacroExpander()
SAL_THROW( () );
// XMacroExpander impl
virtual OUString SAL_CALL expandMacros( OUString const & exp )
throw (lang::IllegalArgumentException);
// XInitialization impl
virtual void SAL_CALL initialize(
Sequence< Any > const & arguments )
throw (Exception);
// XServiceInfo impl
virtual OUString SAL_CALL getImplementationName()
throw (RuntimeException);
virtual sal_Bool SAL_CALL supportsService( OUString const & serviceName )
throw (RuntimeException);
virtual Sequence< OUString > SAL_CALL getSupportedServiceNames()
throw (RuntimeException);
};
//__________________________________________________________________________________________________
void Bootstrap_MacroExpander::disposing()
{
if (m_bstrap)
{
rtl_bootstrap_args_close( m_bstrap );
m_bstrap = 0;
}
}
//__________________________________________________________________________________________________
Bootstrap_MacroExpander::~Bootstrap_MacroExpander() SAL_THROW( () )
{
if (m_bstrap)
{
rtl_bootstrap_args_close( m_bstrap );
m_bstrap = 0;
}
}
// XServiceInfo impl
//__________________________________________________________________________________________________
OUString Bootstrap_MacroExpander::getImplementationName()
throw (RuntimeException)
{
return s_impl_name;
}
//__________________________________________________________________________________________________
sal_Bool Bootstrap_MacroExpander::supportsService( OUString const & serviceName )
throw (RuntimeException)
{
Sequence< OUString > const & service_names = s_get_service_names();
OUString const * p = service_names.getConstArray();
for ( sal_Int32 nPos = service_names.getLength(); nPos--; )
{
if (p[ nPos ].equals( serviceName ))
return sal_True;
}
return sal_False;
}
//__________________________________________________________________________________________________
Sequence< OUString > Bootstrap_MacroExpander::getSupportedServiceNames()
throw (RuntimeException)
{
return s_get_service_names();
}
// XInitialization impl
//__________________________________________________________________________________________________
void SAL_CALL Bootstrap_MacroExpander::initialize(
Sequence< Any > const & arguments )
throw (Exception)
{
if (m_bstrap)
{
throw RuntimeException(
OUSTR("already initialized!"),
Reference< XInterface >() );
}
if (1 != arguments.getLength())
{
throw lang::IllegalArgumentException(
OUSTR("invalid number of args given! give single file url!"),
Reference< XInterface >(),
0 );
}
if (! (arguments[ 0 ] >>= m_rc_path))
{
throw lang::IllegalArgumentException(
OUSTR("give file url!"),
Reference< XInterface >(),
0 );
}
}
// XMacroExpander impl
//__________________________________________________________________________________________________
OUString Bootstrap_MacroExpander::expandMacros( OUString const & exp )
throw (lang::IllegalArgumentException)
{
// determine bootstrap handle
rtlBootstrapHandle bstrap;
if (m_rc_path.getLength())
{
// late init
if (! m_bstrap)
{
rtlBootstrapHandle bstrap = rtl_bootstrap_args_open( m_rc_path.pData );
ClearableMutexGuard guard( Mutex::getGlobalMutex() );
if (m_bstrap)
{
guard.clear();
rtl_bootstrap_args_close( bstrap );
}
else
{
m_bstrap = bstrap;
}
}
bstrap = m_bstrap;
}
else
{
bstrap = ::cppu::get_unorc().getHandle();
}
// expand
OUString ret( exp );
rtl_bootstrap_expandMacros_from_handle( bstrap, &ret.pData );
return ret;
}
//==================================================================================================
Reference< XInterface > SAL_CALL service_create(
Reference< XComponentContext > const & xComponentContext )
SAL_THROW( (RuntimeException) )
{
return static_cast< ::cppu::OWeakObject * >( new Bootstrap_MacroExpander( xComponentContext ) );
}
}
namespace cppu
{
//##################################################################################################
Reference< lang::XSingleComponentFactory > create_boostrap_macro_expander_factory() SAL_THROW( () )
{
return ::cppu::createSingleComponentFactory(
service_create,
s_impl_name,
s_get_service_names() );
}
}