cppuhelper/source/macro_expander.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <rtl/bootstrap.hxx>
  22
  23 #include <uno/lbnames.h>
  24 #include <uno/mapping.hxx>
  25
  26 #include <cppuhelper/factory.hxx>
  27 #include <cppuhelper/compbase.hxx>
  28 #include <cppuhelper/supportsservice.hxx>
  29
  30 #include <com/sun/star/lang/XServiceInfo.hpp>
  31 #include <com/sun/star/lang/XSingleComponentFactory.hpp>
  32 #include <com/sun/star/util/XMacroExpander.hpp>
  33
  34 #include "macro_expander.hxx"
  35 #include "paths.hxx"
  36
  37 #define SERVICE_NAME_A "com.sun.star.lang.MacroExpander"
  38 #define SERVICE_NAME_B "com.sun.star.lang.BootstrapMacroExpander"
  39 #define IMPL_NAME "com.sun.star.lang.comp.cppuhelper.BootstrapMacroExpander"
  40
  41 using namespace ::osl;
  42 using namespace ::com::sun::star;
  43 using namespace ::com::sun::star::uno;
  44
  45 using rtl::Bootstrap;
  46
  47 namespace cppu
  48 {
  49
  50 static Bootstrap const & get_unorc()
  51 {
  52     static rtlBootstrapHandle s_bstrap = rtl_bootstrap_args_open(getUnoIniUri().pData);
  53     return *reinterpret_cast<Bootstrap const *>(&s_bstrap);
  54 }
  55
  56 }
  57
  58 namespace cppuhelper { namespace detail {
  59
  60 OUString expandMacros(OUString const & text) {
  61     OUString t(text);
  62     rtl_bootstrap_expandMacros_from_handle(
  63         cppu::get_unorc().getHandle(), &t.pData);
  64     return t;
  65 }
  66
  67 } }
  68
  69 namespace
  70 {
  71
  72 class ImplNames
  73 {
  74 private:
  75     Sequence<OUString> m_aNames;
  76 public:
  77     ImplNames() : m_aNames(2)
  78     {
  79         m_aNames[0] = SERVICE_NAME_A;
  80         m_aNames[1] = SERVICE_NAME_B;
  81     }
  82     const Sequence<OUString>& getNames() const { return m_aNames; }
  83 };
  84
  85 class theImplNames : public rtl::Static<ImplNames, theImplNames> {};
  86
  87 OUString s_impl_name()
  88 {
  89     return IMPL_NAME;
  90 }
  91
  92 Sequence< OUString > const & s_get_service_names()
  93 {
  94     return theImplNames::get().getNames();
  95 }
  96
  97 typedef cppu::WeakComponentImplHelper<
  98     util::XMacroExpander, lang::XServiceInfo > t_uno_impl;
  99
 100 struct mutex_holder
 101 {
 102     Mutex m_mutex;
 103 };
 104
 105 class Bootstrap_MacroExpander : public mutex_holder, public t_uno_impl
 106 {
 107 protected:
 108     virtual void SAL_CALL disposing() override;
 109
 110 public:
 111     Bootstrap_MacroExpander()
 112         : t_uno_impl( m_mutex )
 113         {}
 114
 115     // XMacroExpander impl
 116     virtual OUString SAL_CALL expandMacros( OUString const & exp ) override;
 117     // XServiceInfo impl
 118     virtual OUString SAL_CALL getImplementationName() override;
 119     virtual sal_Bool SAL_CALL supportsService( OUString const & serviceName ) override;
 120     virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 121 };
 122
 123
 124 void Bootstrap_MacroExpander::disposing()
 125 {}
 126
 127 // XServiceInfo impl
 128
 129 OUString Bootstrap_MacroExpander::getImplementationName()
 130 {
 131     return s_impl_name();
 132 }
 133
 134 sal_Bool Bootstrap_MacroExpander::supportsService( OUString const & serviceName )
 135 {
 136     return cppu::supportsService(this, serviceName);
 137 }
 138
 139 Sequence< OUString > Bootstrap_MacroExpander::getSupportedServiceNames()
 140 {
 141     return s_get_service_names();
 142 }
 143
 144 // XMacroExpander impl
 145
 146 OUString Bootstrap_MacroExpander::expandMacros( OUString const & exp )
 147 {
 148     return cppuhelper::detail::expandMacros( exp );
 149 }
 150
 151
 152 Reference< XInterface > service_create(
 153     SAL_UNUSED_PARAMETER Reference< XComponentContext > const & )
 154 {
 155     return static_cast< ::cppu::OWeakObject * >( new Bootstrap_MacroExpander );
 156 }
 157
 158 }
 159
 160 namespace cppuhelper { namespace detail {
 161
 162 Reference< lang::XSingleComponentFactory > create_bootstrap_macro_expander_factory()
 163 {
 164     Reference< lang::XSingleComponentFactory > free(::cppu::createSingleComponentFactory(
 165                                                         service_create,
 166                                                         s_impl_name(),
 167                                                         s_get_service_names() ));
 168
 169     uno::Environment curr_env(Environment::getCurrent());
 170     uno::Environment target_env(CPPU_CURRENT_LANGUAGE_BINDING_NAME);
 171
 172     uno::Mapping target2curr(target_env, curr_env);
 173
 174     return Reference<lang::XSingleComponentFactory>(
 175         static_cast<lang::XSingleComponentFactory *>(
 176             target2curr.mapInterface(free.get(), cppu::UnoType<decltype(free)>::get())),
 177         SAL_NO_ACQUIRE);
 178 }
 179
 180 } }
 181
 182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */