cppuhelper/source/macro_expander.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: macro_expander.cxx,v $
  10  * $Revision: 1.13 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_cppuhelper.hxx"
  33
  34 #include <rtl/bootstrap.hxx>
  35
  36 #include <uno/mapping.hxx>
  37
  38 #include <cppuhelper/factory.hxx>
  39 #include <cppuhelper/compbase2.hxx>
  40 #include <cppuhelper/component_context.hxx>
  41
  42 #include <com/sun/star/lang/XServiceInfo.hpp>
  43 #include <com/sun/star/util/XMacroExpander.hpp>
  44 #include "com/sun/star/uno/RuntimeException.hpp"
  45
  46 #include "macro_expander.hxx"
  47
  48 #define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
  49 #define SERVICE_NAME_A "com.sun.star.lang.MacroExpander"
  50 #define SERVICE_NAME_B "com.sun.star.lang.BootstrapMacroExpander"
  51 #define IMPL_NAME "com.sun.star.lang.comp.cppuhelper.BootstrapMacroExpander"
  52
  53
  54 using namespace ::rtl;
  55 using namespace ::osl;
  56 using namespace ::com::sun::star;
  57 using namespace ::com::sun::star::uno;
  58
  59 namespace cppu
  60 {
  61 //---- private forward -----------------------------------------------------------------------------
  62 Bootstrap const & get_unorc() SAL_THROW( () );
  63 }
  64
  65 namespace cppuhelper { namespace detail {
  66
  67 rtl::OUString expandMacros(rtl::OUString const & text) {
  68     rtl::OUString t(text);
  69     rtl_bootstrap_expandMacros_from_handle(
  70         cppu::get_unorc().getHandle(), &t.pData);
  71     return t;
  72 }
  73
  74 } }
  75
  76 namespace
  77 {
  78 inline OUString s_impl_name() { return OUSTR(IMPL_NAME); }
  79 static Sequence< OUString > const & s_get_service_names()
  80 {
  81     static Sequence< OUString > const * s_pnames = 0;
  82     if (! s_pnames)
  83     {
  84         MutexGuard guard( Mutex::getGlobalMutex() );
  85         if (! s_pnames)
  86         {
  87             static Sequence< OUString > s_names( 2 );
  88             s_names[ 0 ] = OUSTR(SERVICE_NAME_A);
  89             s_names[ 1 ] = OUSTR(SERVICE_NAME_B);
  90             s_pnames = &s_names;
  91         }
  92     }
  93     return *s_pnames;
  94 }
  95
  96 typedef ::cppu::WeakComponentImplHelper2<
  97     util::XMacroExpander, lang::XServiceInfo > t_uno_impl;
  98
  99 struct mutex_holder
 100 {
 101     Mutex m_mutex;
 102 };
 103 class Bootstrap_MacroExpander : public mutex_holder, public t_uno_impl
 104 {
 105 protected:
 106     virtual void SAL_CALL disposing();
 107
 108 public:
 109     inline Bootstrap_MacroExpander( Reference< XComponentContext > const & ) SAL_THROW( () )
 110         : t_uno_impl( m_mutex )
 111         {}
 112     virtual ~Bootstrap_MacroExpander()
 113         SAL_THROW( () );
 114
 115     // XMacroExpander impl
 116     virtual OUString SAL_CALL expandMacros( OUString const & exp )
 117         throw (lang::IllegalArgumentException);
 118     // XServiceInfo impl
 119     virtual OUString SAL_CALL getImplementationName()
 120         throw (RuntimeException);
 121     virtual sal_Bool SAL_CALL supportsService( OUString const & serviceName )
 122         throw (RuntimeException);
 123     virtual Sequence< OUString > SAL_CALL getSupportedServiceNames()
 124         throw (RuntimeException);
 125 };
 126
 127 //__________________________________________________________________________________________________
 128 void Bootstrap_MacroExpander::disposing()
 129 {}
 130 //__________________________________________________________________________________________________
 131 Bootstrap_MacroExpander::~Bootstrap_MacroExpander() SAL_THROW( () )
 132 {}
 133
 134 // XServiceInfo impl
 135 //__________________________________________________________________________________________________
 136 OUString Bootstrap_MacroExpander::getImplementationName()
 137     throw (RuntimeException)
 138 {
 139     return s_impl_name();
 140 }
 141 //__________________________________________________________________________________________________
 142 sal_Bool Bootstrap_MacroExpander::supportsService( OUString const & serviceName )
 143     throw (RuntimeException)
 144 {
 145     Sequence< OUString > const & service_names = s_get_service_names();
 146     OUString const * p = service_names.getConstArray();
 147     for ( sal_Int32 nPos = service_names.getLength(); nPos--; )
 148     {
 149         if (p[ nPos ].equals( serviceName ))
 150             return sal_True;
 151     }
 152     return sal_False;
 153 }
 154 //__________________________________________________________________________________________________
 155 Sequence< OUString > Bootstrap_MacroExpander::getSupportedServiceNames()
 156     throw (RuntimeException)
 157 {
 158     return s_get_service_names();
 159 }
 160
 161 // XMacroExpander impl
 162 //__________________________________________________________________________________________________
 163 OUString Bootstrap_MacroExpander::expandMacros( OUString const & exp )
 164     throw (lang::IllegalArgumentException)
 165 {
 166     return cppuhelper::detail::expandMacros( exp );
 167 }
 168
 169 //==================================================================================================
 170 Reference< XInterface > SAL_CALL service_create(
 171     Reference< XComponentContext > const & xComponentContext )
 172     SAL_THROW( (RuntimeException) )
 173 {
 174     return static_cast< ::cppu::OWeakObject * >( new Bootstrap_MacroExpander( xComponentContext ) );
 175 }
 176
 177 }
 178
 179 namespace cppu
 180 {
 181
 182 //##################################################################################################
 183 Reference< lang::XSingleComponentFactory > create_boostrap_macro_expander_factory() SAL_THROW( () )
 184 {
 185     Reference< lang::XSingleComponentFactory > free(::cppu::createSingleComponentFactory(
 186                                                         service_create,
 187                                                         s_impl_name(),
 188                                                         s_get_service_names() ));
 189
 190     uno::Environment curr_env(Environment::getCurrent());
 191     uno::Environment target_env(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CPPU_STRINGIFY(CPPU_ENV))));
 192
 193     uno::Mapping target2curr(target_env, curr_env);
 194
 195     return Reference<lang::XSingleComponentFactory>(
 196         reinterpret_cast<lang::XSingleComponentFactory *>(
 197             target2curr.mapInterface(free.get(), ::getCppuType(&free))),
 198         SAL_NO_ACQUIRE);
 199 }
 200
 201 }