329e913b0b
and cid#1556622 COPY_INSTEAD_OF_MOVE cid#1556629 COPY_INSTEAD_OF_MOVE cid#1556632 COPY_INSTEAD_OF_MOVE cid#1556634 COPY_INSTEAD_OF_MOVE cid#1556642 COPY_INSTEAD_OF_MOVE cid#1556644 COPY_INSTEAD_OF_MOVE cid#1556663 COPY_INSTEAD_OF_MOVE cid#1556674 COPY_INSTEAD_OF_MOVE cid#1556682 COPY_INSTEAD_OF_MOVE cid#1556683 COPY_INSTEAD_OF_MOVE cid#1556685 COPY_INSTEAD_OF_MOVE cid#1556694 COPY_INSTEAD_OF_MOVE cid#1556708 COPY_INSTEAD_OF_MOVE cid#1556711 COPY_INSTEAD_OF_MOVE cid#1556712 COPY_INSTEAD_OF_MOVE cid#1556714 COPY_INSTEAD_OF_MOVE cid#1556719 COPY_INSTEAD_OF_MOVE cid#1556727 COPY_INSTEAD_OF_MOVE cid#1556744 COPY_INSTEAD_OF_MOVE cid#1556757 COPY_INSTEAD_OF_MOVE cid#1556782 COPY_INSTEAD_OF_MOVE cid#1556784 COPY_INSTEAD_OF_MOVE Change-Id: I5d5bc884cd7351a81c18b35aaf4e304256242988 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171128 Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com> Tested-by: Jenkins
437 lines
17 KiB
C++
437 lines
17 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 <cstdlib>
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#include <string_view>
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#ifdef IOS
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#include <premac.h>
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#include <Foundation/Foundation.h>
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#include <postmac.h>
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#endif
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#include <com/sun/star/loader/CannotActivateFactoryException.hpp>
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#include <com/sun/star/registry/CannotRegisterImplementationException.hpp>
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#include <com/sun/star/registry/XRegistryKey.hpp>
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#include <cppuhelper/factory.hxx>
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#include <cppuhelper/shlib.hxx>
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#include <o3tl/string_view.hxx>
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#include <osl/module.hxx>
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#include <sal/log.hxx>
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#include <uno/environment.hxx>
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#include <uno/mapping.hxx>
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#include "loadsharedlibcomponentfactory.hxx"
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#if defined DISABLE_DYNLOADING
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#include <osl/detail/component-mapping.h>
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#endif
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css::uno::Environment cppuhelper::detail::getEnvironment(
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OUString const & name, std::u16string_view implementation)
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{
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OUString n(name);
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if (!implementation.empty()) {
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static char const * log = std::getenv("UNO_ENV_LOG");
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if (log != nullptr && *log != 0) {
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OString imps(log);
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for (sal_Int32 i = 0; i != -1;) {
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std::string_view imp(o3tl::getToken(imps, 0, ';', i));
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//TODO: this assumes UNO_ENV_LOG only contains ASCII characters:
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if (o3tl::equalsAscii(implementation, imp))
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{
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n += ":log";
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break;
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}
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}
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}
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}
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return css::uno::Environment(n);
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}
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namespace {
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#if !defined DISABLE_DYNLOADING
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css::uno::Environment getEnvironmentFromModule(
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osl::Module const & module, css::uno::Environment const & target,
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std::u16string_view implementation, OUString const & prefix)
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{
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char const * name = nullptr;
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css::uno::Environment env;
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OUString fullPrefix(prefix);
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if (!fullPrefix.isEmpty()) {
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fullPrefix += "_";
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}
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component_getImplementationEnvironmentExtFunc fp1
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= reinterpret_cast<component_getImplementationEnvironmentExtFunc>(
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module.getFunctionSymbol(fullPrefix + COMPONENT_GETENVEXT));
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if (fp1 != nullptr) {
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(*fp1)(
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&name, reinterpret_cast<uno_Environment **>(&env),
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(OUStringToOString(implementation, RTL_TEXTENCODING_ASCII_US)
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.getStr()),
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target.get());
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} else {
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component_getImplementationEnvironmentFunc fp2
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= reinterpret_cast<component_getImplementationEnvironmentFunc>(
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module.getFunctionSymbol(fullPrefix + COMPONENT_GETENV));
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if (fp2 != nullptr) {
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(*fp2)(&name, reinterpret_cast<uno_Environment **>(&env));
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} else {
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name = CPPU_CURRENT_LANGUAGE_BINDING_NAME; //TODO: fail
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}
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}
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if (!env.is() && name != nullptr) {
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env = cppuhelper::detail::getEnvironment(
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OUString::createFromAscii(name), implementation);
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}
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return env;
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}
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#endif
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extern "C" void getFactory(va_list * args) {
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component_getFactoryFunc fn = va_arg(*args, component_getFactoryFunc);
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OString const * implementation = va_arg(*args, OString const *);
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void * smgr = va_arg(*args, void *);
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void ** factory = va_arg(*args, void **);
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*factory = (*fn)(implementation->getStr(), smgr, nullptr);
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}
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css::uno::Reference<css::uno::XInterface> invokeComponentFactory(
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css::uno::Environment const & source, css::uno::Environment const & target,
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component_getFactoryFunc function, std::u16string_view uri,
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std::u16string_view implementation,
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css::uno::Reference<css::lang::XMultiServiceFactory> const & serviceManager)
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{
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if (!(source.is() && target.is())) {
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throw css::loader::CannotActivateFactoryException(
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u"cannot get environments"_ustr,
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css::uno::Reference<css::uno::XInterface>());
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}
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OString impl(
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OUStringToOString(implementation, RTL_TEXTENCODING_ASCII_US));
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if (source.get() == target.get()) {
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return css::uno::Reference<css::uno::XInterface>(
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static_cast<css::uno::XInterface *>(
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(*function)(impl.getStr(), serviceManager.get(), nullptr)),
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SAL_NO_ACQUIRE);
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}
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css::uno::Mapping mapTo(source, target);
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css::uno::Mapping mapFrom(target, source);
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if (!(mapTo.is() && mapFrom.is())) {
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throw css::loader::CannotActivateFactoryException(
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u"cannot get mappings"_ustr,
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css::uno::Reference<css::uno::XInterface>());
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}
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void * smgr = mapTo.mapInterface(
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serviceManager.get(),
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cppu::UnoType<css::lang::XMultiServiceFactory>::get());
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void * factory = nullptr;
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target.invoke(getFactory, function, &impl, smgr, &factory);
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if (smgr != nullptr) {
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(*target.get()->pExtEnv->releaseInterface)(
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target.get()->pExtEnv, smgr);
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}
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if (factory == nullptr) {
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throw css::loader::CannotActivateFactoryException(
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(OUString::Concat("calling factory function for \"") + implementation + "\" in <"
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+ uri + "> returned null"),
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css::uno::Reference<css::uno::XInterface>());
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}
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css::uno::Reference<css::uno::XInterface> res;
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mapFrom.mapInterface(
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reinterpret_cast<void **>(&res), factory,
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cppu::UnoType<css::uno::XInterface>::get());
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(*target.get()->pExtEnv->releaseInterface)(
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target.get()->pExtEnv, factory);
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return res;
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}
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#if !defined DISABLE_DYNLOADING
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extern "C" void getInstance(va_list * args) {
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cppuhelper::ImplementationConstructorFn * fn = va_arg(*args, cppuhelper::ImplementationConstructorFn *);
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void * ctxt = va_arg(*args, void *);
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assert(ctxt);
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void * argseq = va_arg(*args, void *);
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assert(argseq);
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void ** instance = va_arg(*args, void **);
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assert(instance);
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assert(*instance == nullptr);
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*instance = (*fn)(static_cast<css::uno::XComponentContext*>(ctxt),
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*static_cast<css::uno::Sequence<css::uno::Any> const*>(argseq));
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}
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cppuhelper::WrapperConstructorFn mapConstructorFn(
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css::uno::Environment const & source, css::uno::Environment const & target,
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cppuhelper::ImplementationConstructorFn *const constructorFunction)
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{
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if (!(source.is() && target.is())) {
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throw css::loader::CannotActivateFactoryException(
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u"cannot get environments"_ustr,
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css::uno::Reference<css::uno::XInterface>());
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}
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if (source.get() == target.get()) {
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return cppuhelper::WrapperConstructorFn(constructorFunction);
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}
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// note: it should be valid to capture these mappings because they are
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// ref-counted, and the returned closure will always be invoked in the
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// "source" environment
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css::uno::Mapping mapTo(source, target);
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css::uno::Mapping mapFrom(target, source);
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if (!(mapTo.is() && mapFrom.is())) {
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throw css::loader::CannotActivateFactoryException(
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u"cannot get mappings"_ustr,
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css::uno::Reference<css::uno::XInterface>());
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}
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return [mapFrom=std::move(mapFrom), mapTo=std::move(mapTo), target, constructorFunction]
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(css::uno::XComponentContext *const context, css::uno::Sequence<css::uno::Any> const& args)
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{
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void *const ctxt = mapTo.mapInterface(
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context,
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cppu::UnoType<css::uno::XComponentContext>::get());
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if (args.hasElements()) {
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std::abort(); // TODO map args
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}
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void * instance = nullptr;
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target.invoke(getInstance, constructorFunction, ctxt, &args, &instance);
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if (ctxt != nullptr) {
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(*target.get()->pExtEnv->releaseInterface)(
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target.get()->pExtEnv, ctxt);
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}
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css::uno::XInterface * res = nullptr;
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if (instance == nullptr) {
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return res;
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}
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mapFrom.mapInterface(
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reinterpret_cast<void **>(&res), instance,
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cppu::UnoType<css::uno::XInterface>::get());
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(*target.get()->pExtEnv->releaseInterface)(
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target.get()->pExtEnv, instance);
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return res;
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};
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}
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#endif
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}
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void cppuhelper::detail::loadSharedLibComponentFactory(
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OUString const & uri, OUString const & environment,
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OUString const & prefix, OUString const & implementation,
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OUString const & constructor,
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css::uno::Reference<css::lang::XMultiServiceFactory> const & serviceManager,
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WrapperConstructorFn * constructorFunction,
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css::uno::Reference<css::uno::XInterface> * factory)
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{
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assert(constructor.isEmpty() || !environment.isEmpty());
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assert(
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(constructorFunction == nullptr && constructor.isEmpty())
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|| (constructorFunction && !*constructorFunction));
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assert(factory != nullptr && !factory->is());
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#if defined DISABLE_DYNLOADING
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assert(!environment.isEmpty());
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if (constructor.isEmpty()) {
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css::uno::Environment curEnv(css::uno::Environment::getCurrent());
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css::uno::Environment env(getEnvironment(environment, implementation));
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if (!(curEnv.is() && env.is())) {
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throw css::loader::CannotActivateFactoryException(
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"cannot get environments",
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css::uno::Reference<css::uno::XInterface>());
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}
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if (curEnv.get() != env.get()) {
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std::abort();//TODO
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}
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SAL_INFO("cppuhelper.shlib", "prefix=" << prefix << " implementation=" << implementation << " uri=" << uri);
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lib_to_factory_mapping const * map = lo_get_factory_map();
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component_getFactoryFunc fp = 0;
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for (int i = 0; map[i].name != 0; ++i) {
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if (uri.equalsAscii(map[i].name)) {
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fp = map[i].component_getFactory_function;
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break;
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}
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}
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if (fp == 0) {
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SAL_WARN("cppuhelper", "unknown factory name \"" << uri << "\"");
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#ifdef IOS
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NSLog(@"Unknown factory %s", uri.toUtf8().getStr());
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#endif
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throw css::loader::CannotActivateFactoryException(
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"unknown factory name \"" + uri + "\"",
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css::uno::Reference<css::uno::XInterface>());
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}
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*factory = invokeComponentFactory(
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css::uno::Environment::getCurrent(),
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getEnvironment(environment, implementation), fp, uri,
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implementation, serviceManager);
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} else {
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SAL_INFO("cppuhelper.shlib", "constructor=" << constructor);
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lib_to_constructor_mapping const * map = lo_get_constructor_map();
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for (int i = 0; map[i].name != 0; ++i) {
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if (constructor.equalsAscii(map[i].name)) {
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*constructorFunction
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= reinterpret_cast<ImplementationConstructorFn *>(
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map[i].constructor_function);
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return;
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}
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}
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SAL_WARN("cppuhelper", "unknown constructor name \"" << constructor << "\"");
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#ifdef IOS
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NSLog(@"Unknown constructor %s", constructor.toUtf8().getStr());
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#endif
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throw css::loader::CannotActivateFactoryException(
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"unknown constructor name \"" + constructor + "\"",
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css::uno::Reference<css::uno::XInterface>());
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}
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#else
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osl::Module mod(uri, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL);
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if (!mod.is()) {
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throw css::loader::CannotActivateFactoryException(
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"loading component library <" + uri + "> failed",
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css::uno::Reference<css::uno::XInterface>());
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}
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if (constructor.isEmpty()) {
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OUString sym;
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SAL_INFO("cppuhelper.shlib", "prefix=" << prefix << " implementation=" << implementation << " uri=" << uri);
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if (!prefix.isEmpty()) {
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sym = prefix + "_" COMPONENT_GETFACTORY;
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} else {
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sym = COMPONENT_GETFACTORY;
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}
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oslGenericFunction fp = mod.getFunctionSymbol(sym);
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if (fp == nullptr) {
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throw css::loader::CannotActivateFactoryException(
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("no factory symbol \"" + sym + "\" in component library <"
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+ uri + ">"),
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css::uno::Reference<css::uno::XInterface>());
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}
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css::uno::Environment curEnv(css::uno::Environment::getCurrent());
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*factory = invokeComponentFactory(
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curEnv,
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(environment.isEmpty()
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? getEnvironmentFromModule(mod, curEnv, implementation, prefix)
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: getEnvironment(environment, implementation)),
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reinterpret_cast<component_getFactoryFunc>(fp), uri, implementation,
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serviceManager);
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} else {
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SAL_INFO("cppuhelper.shlib", "constructor=" << constructor);
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oslGenericFunction fp = mod.getFunctionSymbol(constructor);
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if (fp == nullptr) {
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throw css::loader::CannotActivateFactoryException(
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("no constructor symbol \"" + constructor
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+ "\" in component library <" + uri + ">"),
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css::uno::Reference<css::uno::XInterface>());
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}
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css::uno::Environment curEnv(css::uno::Environment::getCurrent());
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*constructorFunction = mapConstructorFn(
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curEnv,
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(environment.isEmpty()
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? getEnvironmentFromModule(mod, curEnv, implementation, prefix)
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: getEnvironment(environment, implementation)),
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reinterpret_cast<ImplementationConstructorFn *>(fp));
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}
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mod.release();
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#endif
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}
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css::uno::Reference<css::uno::XInterface> cppu::loadSharedLibComponentFactory(
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OUString const & uri, OUString const & rPath,
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OUString const & rImplName,
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css::uno::Reference<css::lang::XMultiServiceFactory> const & xMgr,
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css::uno::Reference<css::registry::XRegistryKey> const & xKey)
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{
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assert(rPath.isEmpty()); (void) rPath;
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assert(!xKey.is()); (void) xKey;
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css::uno::Reference<css::uno::XInterface> fac;
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cppuhelper::detail::loadSharedLibComponentFactory(
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uri, u""_ustr, u""_ustr, rImplName, u""_ustr, xMgr, nullptr, &fac);
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return fac;
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}
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#if !defined DISABLE_DYNLOADING
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namespace {
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extern "C" void writeInfo(va_list * args) {
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component_writeInfoFunc fn = va_arg(*args, component_writeInfoFunc);
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void * smgr = va_arg(*args, void *);
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void * key = va_arg(*args, void *);
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sal_Bool * ok = va_arg(*args, sal_Bool *);
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*ok = (*fn)(smgr, key);
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}
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}
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void cppu::writeSharedLibComponentInfo(
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OUString const & uri, OUString const & rPath,
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css::uno::Reference<css::lang::XMultiServiceFactory> const & xMgr,
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css::uno::Reference<css::registry::XRegistryKey> const & xKey)
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{
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assert(rPath.isEmpty()); (void) rPath;
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osl::Module mod(uri, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL);
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if (!mod.is()) {
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throw css::registry::CannotRegisterImplementationException(
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"loading component library <" + uri + "> failed",
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css::uno::Reference<css::uno::XInterface>());
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}
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oslGenericFunction fp = mod.getFunctionSymbol(COMPONENT_WRITEINFO);
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if (fp == nullptr) {
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throw css::registry::CannotRegisterImplementationException(
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("no symbol \"" COMPONENT_WRITEINFO "\" in component library <"
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+ uri + ">"),
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css::uno::Reference<css::uno::XInterface>());
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}
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css::uno::Environment curEnv(css::uno::Environment::getCurrent());
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css::uno::Environment env(getEnvironmentFromModule(mod, curEnv, u"", u""_ustr));
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if (!(curEnv.is() && env.is())) {
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throw css::registry::CannotRegisterImplementationException(
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u"cannot get environments"_ustr,
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css::uno::Reference<css::uno::XInterface>());
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}
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css::uno::Mapping map(curEnv, env);
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if (!map.is()) {
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throw css::registry::CannotRegisterImplementationException(
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u"cannot get mapping"_ustr, css::uno::Reference<css::uno::XInterface>());
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}
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void * smgr = map.mapInterface(
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xMgr.get(), cppu::UnoType<css::lang::XMultiServiceFactory>::get());
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void * key = map.mapInterface(
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xKey.get(), cppu::UnoType<css::registry::XRegistryKey>::get());
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sal_Bool ok;
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env.invoke(writeInfo, fp, smgr, key, &ok);
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(*env.get()->pExtEnv->releaseInterface)(env.get()->pExtEnv, key);
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if (smgr != nullptr) {
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(*env.get()->pExtEnv->releaseInterface)(env.get()->pExtEnv, smgr);
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}
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if (!ok) {
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throw css::registry::CannotRegisterImplementationException(
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("calling \"" COMPONENT_WRITEINFO "\" in component library <" + uri
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+ "> returned false"),
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css::uno::Reference<css::uno::XInterface>());
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}
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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