d8bbae2fd6
It's not terribly nice, but, hopefully, better. The hope is that one day, lo_get_library_map will be no more. In lo_get_implementation_map we can specify more precisely what to link into the binary. Change-Id: I99a1854fbae05be2f70302cc56bea88e522ec129
473 lines
14 KiB
C++
473 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "sal/config.h"
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#include <cassert>
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#include "osl/module.hxx"
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#include "uno/environment.h"
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#include <uno/lbnames.h>
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#include "uno/mapping.hxx"
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#include "cppuhelper/factory.hxx"
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#include "cppuhelper/shlib.hxx"
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#include "com/sun/star/beans/XPropertySet.hpp"
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#include <loadsharedlibcomponentfactory.hxx>
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#include <stdio.h>
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#ifdef ANDROID
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#include <osl/detail/android-bootstrap.h>
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#endif
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#ifdef IOS
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#include <osl/detail/component-mapping.h>
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#endif
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using namespace ::osl;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using rtl::OString;
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using rtl::OUString;
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namespace {
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uno::Environment getEnvironment(
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OUString const & name, OUString const & cImplName)
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{
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OUString n(name);
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static const char * pUNO_ENV_LOG = ::getenv( "UNO_ENV_LOG" );
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if (pUNO_ENV_LOG && rtl_str_getLength(pUNO_ENV_LOG) )
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{
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OString implName(OUStringToOString(cImplName, RTL_TEXTENCODING_ASCII_US));
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OString aEnv( pUNO_ENV_LOG );
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sal_Int32 nIndex = 0;
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do
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{
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const OString aStr( aEnv.getToken( 0, ';', nIndex ) );
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if ( aStr.equals(implName) )
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{
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n += ::rtl::OUString(":log");
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break;
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}
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} while( nIndex != -1 );
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}
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return uno::Environment(n);
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}
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#ifndef DISABLE_DYNLOADING
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void getLibEnv(oslModule lib,
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uno::Environment * pEnv,
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uno::Environment const & cTargetEnv,
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OUString const & cImplName = OUString(),
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OUString const & rPrefix = OUString())
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{
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sal_Char const * pEnvTypeName = NULL;
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OUString aGetEnvNameExt = rPrefix + COMPONENT_GETENVEXT;
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component_getImplementationEnvironmentExtFunc pGetImplEnvExt =
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(component_getImplementationEnvironmentExtFunc)osl_getFunctionSymbol(lib, aGetEnvNameExt.pData);
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if (pGetImplEnvExt)
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{
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OString implName(OUStringToOString(cImplName, RTL_TEXTENCODING_ASCII_US));
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pGetImplEnvExt(&pEnvTypeName, (uno_Environment **)pEnv, implName.getStr(), cTargetEnv.get());
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}
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else
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{
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OUString aGetEnvName = rPrefix + COMPONENT_GETENV;
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component_getImplementationEnvironmentFunc pGetImplEnv =
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(component_getImplementationEnvironmentFunc)osl_getFunctionSymbol(
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lib, aGetEnvName.pData );
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if (pGetImplEnv)
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pGetImplEnv(&pEnvTypeName, (uno_Environment **)pEnv);
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else // this symbol used to be mandatory, but is no longer
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pEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
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}
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if (!pEnv->is() && pEnvTypeName)
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{
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*pEnv = getEnvironment(
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OUString::createFromAscii(pEnvTypeName), cImplName);
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}
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}
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#endif
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extern "C" void s_getFactory(va_list * pParam)
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{
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component_getFactoryFunc pSym = va_arg(*pParam, component_getFactoryFunc);
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OString const * pImplName = va_arg(*pParam, OString const *);
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void * pSMgr = va_arg(*pParam, void *);
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void * pKey = va_arg(*pParam, void *);
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void ** ppSSF = va_arg(*pParam, void **);
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*ppSSF = pSym(pImplName->getStr(), pSMgr, pKey);
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}
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}
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namespace cppu
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{
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/* For backwards compatibility */
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Reference< XInterface > SAL_CALL loadSharedLibComponentFactory(
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OUString const & uri, OUString const & rPath, OUString const & rImplName,
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Reference< lang::XMultiServiceFactory > const & xMgr,
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Reference< registry::XRegistryKey > const & xKey )
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SAL_THROW( (loader::CannotActivateFactoryException) )
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{
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assert(rPath.isEmpty());
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assert(!xKey.is());
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(void) rPath;
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(void) xKey;
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return cppuhelper::detail::loadSharedLibComponentFactory(
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uri, "", "", rImplName, xMgr);
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}
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}
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namespace
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{
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Reference< XInterface > invokeComponentFactory(
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uno::Environment const & env,
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oslGenericFunction pGetter,
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OUString const & rModulePath,
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OUString const & rImplName,
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Reference< ::com::sun::star::lang::XMultiServiceFactory > const & xMgr,
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OUString &rExcMsg )
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{
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Reference< XInterface > xRet;
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uno::Environment currentEnv(Environment::getCurrent());
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OString aImplName(
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OUStringToOString( rImplName, RTL_TEXTENCODING_ASCII_US ) );
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if (env.is() && currentEnv.is())
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{
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#if OSL_DEBUG_LEVEL > 1
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{
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rtl::OString modPath(rtl::OUStringToOString(rModulePath, RTL_TEXTENCODING_ASCII_US));
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rtl::OString implName(rtl::OUStringToOString(rImplName, RTL_TEXTENCODING_ASCII_US));
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rtl::OString envDcp(rtl::OUStringToOString(env.getTypeName(), RTL_TEXTENCODING_ASCII_US));
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fprintf(stderr, "invokeComponentFactory envDcp:%s implName:%s modPath:%s\n", envDcp.getStr(), implName.getStr(), modPath.getStr());
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}
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#endif
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if (env.get() == currentEnv.get())
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{
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xRet.set(
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static_cast<css::uno::XInterface *>(
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(*reinterpret_cast<component_getFactoryFunc>(pGetter))(
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aImplName.getStr(), xMgr.get(), 0)),
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SAL_NO_ACQUIRE);
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}
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else
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{
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Mapping aCurrent2Env( currentEnv, env );
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Mapping aEnv2Current( env, currentEnv );
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if (aCurrent2Env.is() && aEnv2Current.is())
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{
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void * pSMgr = aCurrent2Env.mapInterface(
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xMgr.get(), ::getCppuType( &xMgr ) );
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void * pSSF = NULL;
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env.invoke(s_getFactory, pGetter, &aImplName, pSMgr, 0, &pSSF);
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if (pSMgr)
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{
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(*env.get()->pExtEnv->releaseInterface)(
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env.get()->pExtEnv, pSMgr );
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}
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if (pSSF)
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{
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aEnv2Current.mapInterface(
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reinterpret_cast< void ** >( &xRet ),
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pSSF, ::getCppuType( &xRet ) );
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(env.get()->pExtEnv->releaseInterface)(
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env.get()->pExtEnv, pSSF );
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}
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else
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{
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rExcMsg = rModulePath +
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": cannot get factory of " +
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"demanded implementation: " +
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OStringToOUString(
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aImplName, RTL_TEXTENCODING_ASCII_US );
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}
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}
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else
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{
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rExcMsg =
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"cannot get uno mappings: C++ <=> UNO!";
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}
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}
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}
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else
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{
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rExcMsg = "cannot get uno environments!";
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}
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return xRet;
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}
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} // namespace
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namespace cppuhelper { namespace detail {
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css::uno::Reference<css::uno::XInterface> loadSharedLibComponentFactory(
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OUString const & uri, OUString const & rEnvironment,
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OUString const & rPrefix, OUString const & rImplName,
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css::uno::Reference<css::lang::XMultiServiceFactory> const & xMgr)
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{
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#ifndef DISABLE_DYNLOADING
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OUString moduleUri(uri);
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oslModule lib = osl_loadModule(
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moduleUri.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
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if (! lib)
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{
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OUString const msg("loading component library failed: " + moduleUri);
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SAL_WARN("cppuhelper", msg);
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throw loader::CannotActivateFactoryException(msg,
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Reference< XInterface >() );
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}
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#else
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oslModule lib;
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OUString moduleUri("MAIN");
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if (! osl_getModuleHandle( NULL, &lib))
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{
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throw loader::CannotActivateFactoryException(
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"osl_getModuleHandle of the executable: ",
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Reference< XInterface >() );
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}
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#endif
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Reference< XInterface > xRet;
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OUString aExcMsg;
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OUString aFullPrefix(rPrefix);
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if (!aFullPrefix.isEmpty()) {
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aFullPrefix += "_";
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}
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OUString aGetFactoryName = aFullPrefix + COMPONENT_GETFACTORY;
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if (rPrefix == "direct")
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aGetFactoryName = rImplName.replace('.', '_') + "_" + COMPONENT_GETFACTORY;
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oslGenericFunction pSym = NULL;
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#ifdef DISABLE_DYNLOADING
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OString sName;
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const lib_to_component_mapping *map = NULL;
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if (rPrefix == "direct")
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{
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sName = OUStringToOString(rImplName, RTL_TEXTENCODING_ASCII_US);
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map = lo_get_implementation_map();
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}
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else
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{
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sName = OUStringToOString(uri, RTL_TEXTENCODING_ASCII_US);
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map = lo_get_library_map();
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}
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for (int i = 0; pSym == NULL && map[i].name != NULL; ++i)
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{
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if ( sName == map[i].name )
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pSym = (oslGenericFunction) map[i].component_getFactory_function;
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}
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if ( pSym == NULL )
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{
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fprintf( stderr, "attempting to load unknown library %s\n", OUStringToOString( uri, RTL_TEXTENCODING_ASCII_US ).getStr() );
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assert( !"Attempt to load unknown library" );
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}
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#else
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if ( pSym == NULL )
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pSym = osl_getFunctionSymbol( lib, aGetFactoryName.pData );
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#endif
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if (pSym != 0)
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{
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uno::Environment env;
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if (rEnvironment.isEmpty()) {
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#if defined DISABLE_DYNLOADING
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//TODO: assert(false); // this cannot happen
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env = getEnvironment(CPPU_CURRENT_LANGUAGE_BINDING_NAME, rImplName);
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#else
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getLibEnv(
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lib, &env, Environment::getCurrent(), rImplName, aFullPrefix);
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#endif
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} else {
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env = getEnvironment(rEnvironment, rImplName);
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}
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xRet = invokeComponentFactory(
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env, pSym, moduleUri, rImplName, xMgr, aExcMsg );
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}
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else
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{
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aExcMsg = moduleUri;
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aExcMsg += ": cannot get symbol: ";
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aExcMsg += aGetFactoryName;
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}
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if (! xRet.is())
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{
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#ifndef DISABLE_DYNLOADING
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osl_unloadModule( lib );
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#endif
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SAL_WARN("cppuhelper", "### cannot activate factory: " << aExcMsg);
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throw loader::CannotActivateFactoryException(
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aExcMsg,
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Reference< XInterface >() );
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}
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return xRet;
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}
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} }
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#ifndef DISABLE_DYNLOADING
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//==============================================================================
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extern "C" { static void s_writeInfo(va_list * pParam)
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{
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component_writeInfoFunc pSym = va_arg(*pParam, component_writeInfoFunc);
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void * pSMgr = va_arg(*pParam, void *);
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void * pKey = va_arg(*pParam, void *);
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sal_Bool * pbRet = va_arg(*pParam, sal_Bool *);
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*pbRet = pSym(pSMgr, pKey);
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}}
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namespace cppu {
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void SAL_CALL writeSharedLibComponentInfo(
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OUString const & uri, OUString const & rPath,
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Reference< lang::XMultiServiceFactory > const & xMgr,
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Reference< registry::XRegistryKey > const & xKey )
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SAL_THROW( (registry::CannotRegisterImplementationException) )
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{
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(void) rPath;
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assert(rPath.isEmpty());
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oslModule lib = osl_loadModule(
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uri.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
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if (! lib)
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{
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OUString const msg("loading component library failed: " + uri);
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SAL_WARN("cppuhelper", msg);
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throw registry::CannotRegisterImplementationException(msg,
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Reference< XInterface >() );
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}
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sal_Bool bRet = sal_False;
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uno::Environment currentEnv(Environment::getCurrent());
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uno::Environment env;
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OUString aExcMsg;
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getLibEnv(lib, &env, currentEnv);
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OUString aWriteInfoName = COMPONENT_WRITEINFO;
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oslGenericFunction pSym = osl_getFunctionSymbol( lib, aWriteInfoName.pData );
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if (pSym != 0)
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{
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if (env.is() && currentEnv.is())
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{
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Mapping aCurrent2Env( currentEnv, env );
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if (aCurrent2Env.is())
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{
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void * pSMgr = aCurrent2Env.mapInterface(
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xMgr.get(), ::getCppuType( &xMgr ) );
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void * pKey = aCurrent2Env.mapInterface(
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xKey.get(), ::getCppuType( &xKey ) );
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if (pKey)
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{
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env.invoke(s_writeInfo, pSym, pSMgr, pKey, &bRet);
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(*env.get()->pExtEnv->releaseInterface)(
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env.get()->pExtEnv, pKey );
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if (! bRet)
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{
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aExcMsg = uri;
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aExcMsg += ": component_writeInfo() "
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"returned false!";
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}
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}
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else
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{
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// key is mandatory
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aExcMsg = uri;
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aExcMsg += ": registry is mandatory to invoke"
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" component_writeInfo()!";
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}
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if (pSMgr)
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{
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(*env.get()->pExtEnv->releaseInterface)(
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env.get()->pExtEnv, pSMgr );
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}
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}
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else
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{
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aExcMsg = "cannot get uno mapping: C++ <=> UNO!";
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}
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}
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else
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{
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aExcMsg = "cannot get uno environments!";
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}
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}
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else
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{
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aExcMsg = uri;
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aExcMsg += ": cannot get symbol: ";
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aExcMsg += aWriteInfoName;
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}
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//!
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//! OK: please look at #88219#
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//!
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//! ::osl_unloadModule( lib);
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if (! bRet)
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{
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SAL_WARN("cppuhelper", "### cannot write component info: " << aExcMsg);
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throw registry::CannotRegisterImplementationException(
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aExcMsg, Reference< XInterface >() );
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}
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}
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}
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#endif // DISABLE_DYNLOADING
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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