LCOV - code coverage report
Current view: top level - libreoffice/binaryurp/source - proxy.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 92 0.0 %
Date: 2012-12-27 Functions: 0 14 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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             : #include "sal/config.h"
      21             : 
      22             : #include <cassert>
      23             : #include <exception>
      24             : #include <vector>
      25             : 
      26             : #include "cppuhelper/exc_hlp.hxx"
      27             : #include "rtl/ref.hxx"
      28             : #include "rtl/ustring.hxx"
      29             : #include "sal/types.h"
      30             : #include "typelib/typedescription.h"
      31             : #include "typelib/typedescription.hxx"
      32             : #include "uno/any2.h"
      33             : #include "uno/dispatcher.h"
      34             : #include "uno/dispatcher.hxx"
      35             : 
      36             : #include "binaryany.hxx"
      37             : #include "bridge.hxx"
      38             : #include "proxy.hxx"
      39             : 
      40             : namespace binaryurp {
      41             : 
      42             : namespace {
      43             : 
      44           0 : extern "C" void SAL_CALL proxy_acquireInterface(uno_Interface * pInterface) {
      45             :     assert(pInterface != 0);
      46           0 :     static_cast< Proxy * >(pInterface)->do_acquire();
      47           0 : }
      48             : 
      49           0 : extern "C" void SAL_CALL proxy_releaseInterface(uno_Interface * pInterface) {
      50             :     assert(pInterface != 0);
      51           0 :     static_cast< Proxy * >(pInterface)->do_release();
      52           0 : }
      53             : 
      54           0 : extern "C" void SAL_CALL proxy_dispatchInterface(
      55             :     uno_Interface * pUnoI, typelib_TypeDescription const * pMemberType,
      56             :     void * pReturn, void ** pArgs, uno_Any ** ppException)
      57             : {
      58             :     assert(pUnoI != 0);
      59             :     static_cast< Proxy * >(pUnoI)->do_dispatch(
      60           0 :         pMemberType, pReturn, pArgs, ppException);
      61           0 : }
      62             : 
      63             : }
      64             : 
      65           0 : Proxy::Proxy(
      66             :     rtl::Reference< Bridge > const & bridge, OUString const & oid,
      67             :     css::uno::TypeDescription const & type):
      68           0 :     bridge_(bridge), oid_(oid), type_(type), references_(1)
      69             : {
      70             :     assert(bridge.is());
      71           0 :     acquire = &proxy_acquireInterface;
      72           0 :     release = &proxy_releaseInterface;
      73           0 :     pDispatcher = &proxy_dispatchInterface;
      74           0 : }
      75             : 
      76           0 : OUString Proxy::getOid() const {
      77           0 :     return oid_;
      78             : }
      79             : 
      80           0 : css::uno::TypeDescription Proxy::getType() const {
      81           0 :     return type_;
      82             : }
      83             : 
      84           0 : void Proxy::do_acquire() {
      85           0 :     if (osl_atomic_increment(&references_) == 1) {
      86           0 :         bridge_->resurrectProxy(*this);
      87             :     }
      88           0 : }
      89             : 
      90           0 : void Proxy::do_release() {
      91           0 :     if (osl_atomic_decrement(&references_) == 0) {
      92           0 :         bridge_->revokeProxy(*this);
      93             :     }
      94           0 : }
      95             : 
      96           0 : void Proxy::do_free() {
      97           0 :     bridge_->freeProxy(*this);
      98           0 :     delete this;
      99           0 : }
     100             : 
     101           0 : void Proxy::do_dispatch(
     102             :     typelib_TypeDescription const * member, void * returnValue,
     103             :     void ** arguments, uno_Any ** exception) const
     104             : {
     105             :     try {
     106             :         try {
     107           0 :             do_dispatch_throw(member, returnValue, arguments, exception);
     108           0 :         } catch (const std::exception & e) {
     109             :             throw css::uno::RuntimeException(
     110             :                 ("caught C++ exception: " +
     111             :                 OStringToOUString(
     112           0 :                     OString(e.what()), RTL_TEXTENCODING_ASCII_US)),
     113           0 :                 css::uno::Reference< css::uno::XInterface >());
     114             :                 // best-effort string conversion
     115             :         }
     116           0 :     } catch (const css::uno::RuntimeException &) {
     117           0 :         css::uno::Any exc(cppu::getCaughtException());
     118             :         uno_copyAndConvertData(
     119             :             *exception, &exc,
     120           0 :             (css::uno::TypeDescription(cppu::UnoType< css::uno::Any >::get()).
     121             :              get()),
     122           0 :             bridge_->getCppToBinaryMapping().get());
     123             :     }
     124           0 : }
     125             : 
     126           0 : bool Proxy::isProxy(
     127             :     rtl::Reference< Bridge > const & bridge,
     128             :     css::uno::UnoInterfaceReference const & object, OUString * oid)
     129             : {
     130             :     assert(object.is());
     131             :     return object.m_pUnoI->acquire == &proxy_acquireInterface &&
     132           0 :         static_cast< Proxy * >(object.m_pUnoI)->isProxy(bridge, oid);
     133             : }
     134             : 
     135           0 : Proxy::~Proxy() {}
     136             : 
     137           0 : void Proxy::do_dispatch_throw(
     138             :     typelib_TypeDescription const * member, void * returnValue,
     139             :     void ** arguments, uno_Any ** exception) const
     140             : {
     141             :     //TODO: Optimize queryInterface:
     142             :     assert(member != 0);
     143           0 :     bool setter = false;
     144           0 :     std::vector< BinaryAny > inArgs;
     145           0 :     switch (member->eTypeClass) {
     146             :     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
     147           0 :         setter = returnValue == 0;
     148           0 :         if (setter) {
     149             :             inArgs.push_back(
     150             :                 BinaryAny(
     151             :                     css::uno::TypeDescription(
     152             :                         reinterpret_cast<
     153             :                             typelib_InterfaceAttributeTypeDescription const * >(
     154             :                                 member)->
     155             :                         pAttributeTypeRef),
     156           0 :                     arguments[0]));
     157             :         }
     158           0 :         break;
     159             :     case typelib_TypeClass_INTERFACE_METHOD:
     160             :         {
     161             :             typelib_InterfaceMethodTypeDescription const * mtd =
     162             :                 reinterpret_cast<
     163           0 :                     typelib_InterfaceMethodTypeDescription const * >(member);
     164           0 :             for (sal_Int32 i = 0; i != mtd->nParams; ++i) {
     165           0 :                 if (mtd->pParams[i].bIn) {
     166             :                     inArgs.push_back(
     167             :                         BinaryAny(
     168           0 :                             css::uno::TypeDescription(mtd->pParams[i].pTypeRef),
     169           0 :                             arguments[i]));
     170             :                 }
     171             :             }
     172           0 :             break;
     173             :         }
     174             :     default:
     175             :         assert(false); // this cannot happen
     176           0 :         break;
     177             :     }
     178           0 :     BinaryAny ret;
     179           0 :     std::vector< BinaryAny > outArgs;
     180           0 :     if (bridge_->makeCall(
     181             :             oid_,
     182             :             css::uno::TypeDescription(
     183             :                 const_cast< typelib_TypeDescription * >(member)),
     184           0 :             setter, inArgs, &ret, &outArgs))
     185             :     {
     186             :         assert(ret.getType().get()->eTypeClass == typelib_TypeClass_EXCEPTION);
     187             :         uno_any_construct(
     188           0 :             *exception, ret.getValue(ret.getType()), ret.getType().get(), 0);
     189             :     } else {
     190           0 :         switch (member->eTypeClass) {
     191             :         case typelib_TypeClass_INTERFACE_ATTRIBUTE:
     192           0 :             if (!setter) {
     193             :                 css::uno::TypeDescription t(
     194             :                     reinterpret_cast<
     195             :                         typelib_InterfaceAttributeTypeDescription const * >(
     196             :                             member)->
     197           0 :                     pAttributeTypeRef);
     198           0 :                 uno_copyData(returnValue, ret.getValue(t), t.get(), 0);
     199             :             }
     200           0 :             break;
     201             :         case typelib_TypeClass_INTERFACE_METHOD:
     202             :             {
     203             :                 typelib_InterfaceMethodTypeDescription const * mtd =
     204             :                     reinterpret_cast<
     205             :                         typelib_InterfaceMethodTypeDescription const * >(
     206           0 :                             member);
     207           0 :                 css::uno::TypeDescription t(mtd->pReturnTypeRef);
     208           0 :                 if (t.get()->eTypeClass != typelib_TypeClass_VOID) {
     209           0 :                     uno_copyData(returnValue, ret.getValue(t), t.get(), 0);
     210             :                 }
     211           0 :                 std::vector< BinaryAny >::iterator i(outArgs.begin());
     212           0 :                 for (sal_Int32 j = 0; j != mtd->nParams; ++j) {
     213           0 :                     if (mtd->pParams[j].bOut) {
     214           0 :                         css::uno::TypeDescription pt(mtd->pParams[j].pTypeRef);
     215           0 :                         if (mtd->pParams[j].bIn) {
     216             :                             uno_assignData(
     217           0 :                                 arguments[j], pt.get(), i++->getValue(pt),
     218           0 :                                 pt.get(), 0, 0, 0);
     219             :                         } else {
     220             :                             uno_copyData(
     221           0 :                                 arguments[j], i++->getValue(pt), pt.get(), 0);
     222           0 :                         }
     223             :                     }
     224             :                 }
     225             :                 assert(i == outArgs.end());
     226           0 :                 break;
     227             :             }
     228             :         default:
     229             :             assert(false); // this cannot happen
     230           0 :             break;
     231             :         }
     232           0 :         *exception = 0;
     233           0 :     }
     234           0 : }
     235             : 
     236           0 : bool Proxy::isProxy(
     237             :     rtl::Reference< Bridge > const & bridge, OUString * oid) const
     238             : {
     239             :     assert(oid != 0);
     240           0 :     if (bridge == bridge_) {
     241           0 :         *oid = oid_;
     242           0 :         return true;
     243             :     } else {
     244           0 :         return false;
     245             :     }
     246             : }
     247             : 
     248             : }
     249             : 
     250             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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