cppuhelper/source/macro_expander.cxx

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  28
  29 // MARKER(update_precomp.py): autogen include statement, do not remove
  30 #include "precompiled_cppuhelper.hxx"
  31
  32 #include <rtl/bootstrap.hxx>
  33
  34 #include <uno/mapping.hxx>
  35
  36 #include <cppuhelper/factory.hxx>
  37 #include <cppuhelper/compbase2.hxx>
  38 #include <cppuhelper/component_context.hxx>
  39
  40 #include <com/sun/star/lang/XServiceInfo.hpp>
  41 #include <com/sun/star/util/XMacroExpander.hpp>
  42 #include "com/sun/star/uno/RuntimeException.hpp"
  43
  44 #include "macro_expander.hxx"
  45
  46 #define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
  47 #define SERVICE_NAME_A "com.sun.star.lang.MacroExpander"
  48 #define SERVICE_NAME_B "com.sun.star.lang.BootstrapMacroExpander"
  49 #define IMPL_NAME "com.sun.star.lang.comp.cppuhelper.BootstrapMacroExpander"
  50
  51
  52 using namespace ::rtl;
  53 using namespace ::osl;
  54 using namespace ::com::sun::star;
  55 using namespace ::com::sun::star::uno;
  56
  57 namespace cppu
  58 {
  59 //---- private forward -----------------------------------------------------------------------------
  60 Bootstrap const & get_unorc() SAL_THROW( () );
  61 }
  62
  63 namespace cppuhelper { namespace detail {
  64
  65 rtl::OUString expandMacros(rtl::OUString const & text) {
  66     rtl::OUString t(text);
  67     rtl_bootstrap_expandMacros_from_handle(
  68         cppu::get_unorc().getHandle(), &t.pData);
  69     return t;
  70 }
  71
  72 } }
  73
  74 namespace
  75 {
  76 inline OUString s_impl_name() { return OUSTR(IMPL_NAME); }
  77 static Sequence< OUString > const & s_get_service_names()
  78 {
  79     static Sequence< OUString > const * s_pnames = 0;
  80     if (! s_pnames)
  81     {
  82         MutexGuard guard( Mutex::getGlobalMutex() );
  83         if (! s_pnames)
  84         {
  85             static Sequence< OUString > s_names( 2 );
  86             s_names[ 0 ] = OUSTR(SERVICE_NAME_A);
  87             s_names[ 1 ] = OUSTR(SERVICE_NAME_B);
  88             s_pnames = &s_names;
  89         }
  90     }
  91     return *s_pnames;
  92 }
  93
  94 typedef ::cppu::WeakComponentImplHelper2<
  95     util::XMacroExpander, lang::XServiceInfo > t_uno_impl;
  96
  97 struct mutex_holder
  98 {
  99     Mutex m_mutex;
 100 };
 101 class Bootstrap_MacroExpander : public mutex_holder, public t_uno_impl
 102 {
 103 protected:
 104     virtual void SAL_CALL disposing();
 105
 106 public:
 107     inline Bootstrap_MacroExpander( Reference< XComponentContext > const & ) SAL_THROW( () )
 108         : t_uno_impl( m_mutex )
 109         {}
 110     virtual ~Bootstrap_MacroExpander()
 111         SAL_THROW( () );
 112
 113     // XMacroExpander impl
 114     virtual OUString SAL_CALL expandMacros( OUString const & exp )
 115         throw (lang::IllegalArgumentException);
 116     // XServiceInfo impl
 117     virtual OUString SAL_CALL getImplementationName()
 118         throw (RuntimeException);
 119     virtual sal_Bool SAL_CALL supportsService( OUString const & serviceName )
 120         throw (RuntimeException);
 121     virtual Sequence< OUString > SAL_CALL getSupportedServiceNames()
 122         throw (RuntimeException);
 123 };
 124
 125 //__________________________________________________________________________________________________
 126 void Bootstrap_MacroExpander::disposing()
 127 {}
 128 //__________________________________________________________________________________________________
 129 Bootstrap_MacroExpander::~Bootstrap_MacroExpander() SAL_THROW( () )
 130 {}
 131
 132 // XServiceInfo impl
 133 //__________________________________________________________________________________________________
 134 OUString Bootstrap_MacroExpander::getImplementationName()
 135     throw (RuntimeException)
 136 {
 137     return s_impl_name();
 138 }
 139 //__________________________________________________________________________________________________
 140 sal_Bool Bootstrap_MacroExpander::supportsService( OUString const & serviceName )
 141     throw (RuntimeException)
 142 {
 143     Sequence< OUString > const & service_names = s_get_service_names();
 144     OUString const * p = service_names.getConstArray();
 145     for ( sal_Int32 nPos = service_names.getLength(); nPos--; )
 146     {
 147         if (p[ nPos ].equals( serviceName ))
 148             return sal_True;
 149     }
 150     return sal_False;
 151 }
 152 //__________________________________________________________________________________________________
 153 Sequence< OUString > Bootstrap_MacroExpander::getSupportedServiceNames()
 154     throw (RuntimeException)
 155 {
 156     return s_get_service_names();
 157 }
 158
 159 // XMacroExpander impl
 160 //__________________________________________________________________________________________________
 161 OUString Bootstrap_MacroExpander::expandMacros( OUString const & exp )
 162     throw (lang::IllegalArgumentException)
 163 {
 164     return cppuhelper::detail::expandMacros( exp );
 165 }
 166
 167 //==================================================================================================
 168 Reference< XInterface > SAL_CALL service_create(
 169     Reference< XComponentContext > const & xComponentContext )
 170     SAL_THROW( (RuntimeException) )
 171 {
 172     return static_cast< ::cppu::OWeakObject * >( new Bootstrap_MacroExpander( xComponentContext ) );
 173 }
 174
 175 }
 176
 177 namespace cppu
 178 {
 179
 180 //##################################################################################################
 181 Reference< lang::XSingleComponentFactory > create_boostrap_macro_expander_factory() SAL_THROW( () )
 182 {
 183     Reference< lang::XSingleComponentFactory > free(::cppu::createSingleComponentFactory(
 184                                                         service_create,
 185                                                         s_impl_name(),
 186                                                         s_get_service_names() ));
 187
 188     uno::Environment curr_env(Environment::getCurrent());
 189     uno::Environment target_env(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CPPU_STRINGIFY(CPPU_ENV))));
 190
 191     uno::Mapping target2curr(target_env, curr_env);
 192
 193     return Reference<lang::XSingleComponentFactory>(
 194         reinterpret_cast<lang::XSingleComponentFactory *>(
 195             target2curr.mapInterface(free.get(), ::getCppuType(&free))),
 196         SAL_NO_ACQUIRE);
 197 }
 198
 199 }
 200
 201 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */