office-gobmx/cppuhelper/source/servicemanager.cxx
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Change-Id: I90531c19c28dca77fe99c72efdfc0972c311da98
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/175377
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
2024-10-22 11:56:02 +02:00

2020 lines
74 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/config.h>
#include <algorithm>
#include <cassert>
#include <iostream>
#include <mutex>
#include <string_view>
#include <utility>
#include <vector>
#include <config_fuzzers.h>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/container/ElementExistException.hpp>
#include <com/sun/star/container/XEnumeration.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XSingleComponentFactory.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/loader/XImplementationLoader.hpp>
#include <com/sun/star/registry/InvalidRegistryException.hpp>
#include <com/sun/star/uno/DeploymentException.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <comphelper/sequence.hxx>
#include <cppuhelper/bootstrap.hxx>
#include <cppuhelper/component_context.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/factory.hxx>
#include <o3tl/safeint.hxx>
#include <osl/file.hxx>
#include <osl/module.hxx>
#include <rtl/ref.hxx>
#include <rtl/uri.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <sal/log.hxx>
#include <uno/environment.hxx>
#include <uno/mapping.hxx>
#include <o3tl/string_view.hxx>
#include "loadsharedlibcomponentfactory.hxx"
#include <registry/registry.hxx>
#include <xmlreader/xmlreader.hxx>
#include "paths.hxx"
#include "servicemanager.hxx"
namespace {
void insertImplementationMap(
cppuhelper::ServiceManager::Data::ImplementationMap * destination,
cppuhelper::ServiceManager::Data::ImplementationMap const & source)
{
assert(destination != nullptr);
for (const auto& [rName, rImpls] : source)
{
auto & impls = (*destination)[rName];
impls.insert(impls.end(), rImpls.begin(), rImpls.end());
}
}
void removeFromImplementationMap(
cppuhelper::ServiceManager::Data::ImplementationMap * map,
std::vector< OUString > const & elements,
std::shared_ptr< cppuhelper::ServiceManager::Data::Implementation >
const & implementation)
{
// The underlying data structures make this function somewhat inefficient,
// but the assumption is that it is rarely called:
assert(map != nullptr);
for (const auto& rElement : elements)
{
auto j(map->find(rElement));
assert(j != map->end());
auto k(std::find(j->second.begin(), j->second.end(), implementation));
assert(k != j->second.end());
j->second.erase(k);
if (j->second.empty()) {
map->erase(j);
}
}
}
// For simplicity, this code keeps throwing
// css::registry::InvalidRegistryException for invalid XML rdbs (even though
// that does not fit the exception's name):
class Parser {
public:
Parser(
OUString const & uri,
css::uno::Reference< css::uno::XComponentContext > alienContext,
cppuhelper::ServiceManager::Data * data);
Parser(const Parser&) = delete;
const Parser& operator=(const Parser&) = delete;
private:
void handleComponent();
void handleImplementation();
void handleService();
void handleSingleton();
OUString getNameAttribute();
xmlreader::XmlReader reader_;
css::uno::Reference< css::uno::XComponentContext > alienContext_;
cppuhelper::ServiceManager::Data * data_;
OUString attrLoader_;
OUString attrUri_;
OUString attrEnvironment_;
OUString attrPrefix_;
std::shared_ptr< cppuhelper::ServiceManager::Data::Implementation >
implementation_;
};
Parser::Parser(
OUString const & uri,
css::uno::Reference< css::uno::XComponentContext > alienContext,
cppuhelper::ServiceManager::Data * data):
reader_(uri), alienContext_(std::move(alienContext)), data_(data)
{
assert(data != nullptr);
int ucNsId = reader_.registerNamespaceIri(
xmlreader::Span(
RTL_CONSTASCII_STRINGPARAM(
"http://openoffice.org/2010/uno-components")));
enum State {
STATE_BEGIN, STATE_END, STATE_COMPONENTS, STATE_COMPONENT_INITIAL,
STATE_COMPONENT, STATE_IMPLEMENTATION, STATE_SERVICE, STATE_SINGLETON };
for (State state = STATE_BEGIN;;) {
xmlreader::Span name;
int nsId;
xmlreader::XmlReader::Result res = reader_.nextItem(
xmlreader::XmlReader::Text::NONE, &name, &nsId);
switch (state) {
case STATE_BEGIN:
if (res == xmlreader::XmlReader::Result::Begin && nsId == ucNsId
&& name.equals(RTL_CONSTASCII_STRINGPARAM("components")))
{
state = STATE_COMPONENTS;
break;
}
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected item in outer level");
case STATE_END:
if (res == xmlreader::XmlReader::Result::Done) {
return;
}
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected item in outer level");
case STATE_COMPONENTS:
if (res == xmlreader::XmlReader::Result::End) {
state = STATE_END;
break;
}
if (res == xmlreader::XmlReader::Result::Begin && nsId == ucNsId
&& name.equals(RTL_CONSTASCII_STRINGPARAM("component")))
{
handleComponent();
state = STATE_COMPONENT_INITIAL;
break;
}
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected item in <components>");
case STATE_COMPONENT:
if (res == xmlreader::XmlReader::Result::End) {
state = STATE_COMPONENTS;
break;
}
[[fallthrough]];
case STATE_COMPONENT_INITIAL:
if (res == xmlreader::XmlReader::Result::Begin && nsId == ucNsId
&& name.equals(RTL_CONSTASCII_STRINGPARAM("implementation")))
{
handleImplementation();
state = STATE_IMPLEMENTATION;
break;
}
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected item in <component>");
case STATE_IMPLEMENTATION:
if (res == xmlreader::XmlReader::Result::End) {
state = STATE_COMPONENT;
break;
}
if (res == xmlreader::XmlReader::Result::Begin && nsId == ucNsId
&& name.equals(RTL_CONSTASCII_STRINGPARAM("service")))
{
handleService();
state = STATE_SERVICE;
break;
}
if (res == xmlreader::XmlReader::Result::Begin && nsId == ucNsId
&& name.equals(RTL_CONSTASCII_STRINGPARAM("singleton")))
{
handleSingleton();
state = STATE_SINGLETON;
break;
}
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected item in <implementation>");
case STATE_SERVICE:
if (res == xmlreader::XmlReader::Result::End) {
state = STATE_IMPLEMENTATION;
break;
}
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected item in <service>");
case STATE_SINGLETON:
if (res == xmlreader::XmlReader::Result::End) {
state = STATE_IMPLEMENTATION;
break;
}
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected item in <service>");
}
}
}
void Parser::handleComponent() {
attrLoader_ = OUString();
attrUri_ = OUString();
attrEnvironment_ = OUString();
attrPrefix_ = OUString();
xmlreader::Span name;
int nsId;
while (reader_.nextAttribute(&nsId, &name)) {
if (nsId == xmlreader::XmlReader::NAMESPACE_NONE
&& name.equals(RTL_CONSTASCII_STRINGPARAM("loader")))
{
if (!attrLoader_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <component> has multiple \"loader\" attributes");
}
attrLoader_ = reader_.getAttributeValue(false).convertFromUtf8();
if (attrLoader_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <component> has empty \"loader\" attribute");
}
} else if (nsId == xmlreader::XmlReader::NAMESPACE_NONE
&& name.equals(RTL_CONSTASCII_STRINGPARAM("uri")))
{
if (!attrUri_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <component> has multiple \"uri\" attributes");
}
attrUri_ = reader_.getAttributeValue(false).convertFromUtf8();
if (attrUri_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <component> has empty \"uri\" attribute");
}
} else if (nsId == xmlreader::XmlReader::NAMESPACE_NONE
&& name.equals(RTL_CONSTASCII_STRINGPARAM("environment")))
{
if (!attrEnvironment_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() +
": <component> has multiple \"environment\" attributes");
}
attrEnvironment_ = reader_.getAttributeValue(false)
.convertFromUtf8();
if (attrEnvironment_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() +
": <component> has empty \"environment\" attribute");
}
} else if (nsId == xmlreader::XmlReader::NAMESPACE_NONE
&& name.equals(RTL_CONSTASCII_STRINGPARAM("prefix")))
{
if (!attrPrefix_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() +
": <component> has multiple \"prefix\" attributes");
}
attrPrefix_ = reader_.getAttributeValue(false).convertFromUtf8();
if (attrPrefix_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() +
": <component> has empty \"prefix\" attribute");
}
} else {
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected attribute \""
+ name.convertFromUtf8() + "\" in <component>");
}
}
if (attrLoader_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": <component> is missing \"loader\" attribute");
}
if (attrUri_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": <component> is missing \"uri\" attribute");
}
#ifndef DISABLE_DYNLOADING
try {
attrUri_ = rtl::Uri::convertRelToAbs(reader_.getUrl(), attrUri_);
} catch (const rtl::MalformedUriException & e) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": bad \"uri\" attribute: " + e.getMessage());
}
#endif
}
void Parser::handleImplementation() {
OUString attrName;
OUString attrConstructor;
bool attrSingleInstance = false;
xmlreader::Span name;
int nsId;
while (reader_.nextAttribute(&nsId, &name)) {
if (nsId == xmlreader::XmlReader::NAMESPACE_NONE
&& name.equals(RTL_CONSTASCII_STRINGPARAM("name")))
{
if (!attrName.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <implementation> has multiple \"name\" attributes");
}
attrName = reader_.getAttributeValue(false).convertFromUtf8();
if (attrName.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <implementation> has empty \"name\" attribute");
}
} else if (nsId == xmlreader::XmlReader::NAMESPACE_NONE
&& name.equals(RTL_CONSTASCII_STRINGPARAM("constructor")))
{
if (!attrConstructor.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <implementation> has multiple \"constructor\""
" attributes");
}
attrConstructor = reader_.getAttributeValue(false)
.convertFromUtf8();
if (attrConstructor.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": element has empty \"constructor\" attribute");
}
if (attrEnvironment_.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <implementation> has \"constructor\" attribute but"
" <component> has no \"environment\" attribute");
}
} else if (nsId == xmlreader::XmlReader::NAMESPACE_NONE
&& name.equals(RTL_CONSTASCII_STRINGPARAM("single-instance")))
{
if (attrSingleInstance) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <implementation> has multiple \"single-instance\" attributes");
}
if (!reader_.getAttributeValue(false).equals(RTL_CONSTASCII_STRINGPARAM("true"))) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": <implementation> has bad \"single-instance\" attribute");
}
attrSingleInstance = true;
} else {
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": unexpected element attribute \""
+ name.convertFromUtf8() + "\" in <implementation>");
}
}
if (attrName.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": <implementation> is missing \"name\" attribute");
}
implementation_ =
std::make_shared<cppuhelper::ServiceManager::Data::Implementation>(
attrName, attrLoader_, attrUri_, attrEnvironment_, attrConstructor,
attrPrefix_, attrSingleInstance, alienContext_, reader_.getUrl());
if (!data_->namedImplementations.emplace(attrName, implementation_).
second)
{
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": duplicate <implementation name=\"" + attrName
+ "\">");
}
}
void Parser::handleService() {
OUString name(getNameAttribute());
implementation_->services.push_back(name);
data_->services[name].push_back(implementation_);
}
void Parser::handleSingleton() {
OUString name(getNameAttribute());
implementation_->singletons.push_back(name);
data_->singletons[name].push_back(implementation_);
}
OUString Parser::getNameAttribute() {
OUString attrName;
xmlreader::Span name;
int nsId;
while (reader_.nextAttribute(&nsId, &name)) {
if (nsId != xmlreader::XmlReader::NAMESPACE_NONE
|| !name.equals(RTL_CONSTASCII_STRINGPARAM("name")))
{
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": expected element attribute \"name\"");
}
if (!attrName.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl()
+ ": element has multiple \"name\" attributes");
}
attrName = reader_.getAttributeValue(false).convertFromUtf8();
if (attrName.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": element has empty \"name\" attribute");
}
}
if (attrName.isEmpty()) {
throw css::registry::InvalidRegistryException(
reader_.getUrl() + ": element is missing \"name\" attribute");
}
return attrName;
}
class ContentEnumeration:
public cppu::WeakImplHelper< css::container::XEnumeration >
{
public:
explicit ContentEnumeration(std::vector< css::uno::Any >&& factories):
factories_(std::move(factories)), iterator_(factories_.begin()) {}
ContentEnumeration(const ContentEnumeration&) = delete;
const ContentEnumeration& operator=(const ContentEnumeration&) = delete;
private:
virtual ~ContentEnumeration() override {}
virtual sal_Bool SAL_CALL hasMoreElements() override;
virtual css::uno::Any SAL_CALL nextElement() override;
std::mutex mutex_;
std::vector< css::uno::Any > factories_;
std::vector< css::uno::Any >::const_iterator iterator_;
};
sal_Bool ContentEnumeration::hasMoreElements()
{
std::scoped_lock g(mutex_);
return iterator_ != factories_.end();
}
css::uno::Any ContentEnumeration::nextElement()
{
std::scoped_lock g(mutex_);
if (iterator_ == factories_.end()) {
throw css::container::NoSuchElementException(
u"Bootstrap service manager service enumerator has no more elements"_ustr,
static_cast< cppu::OWeakObject * >(this));
}
return *iterator_++;
}
css::beans::Property getDefaultContextProperty() {
return css::beans::Property(
u"DefaultContext"_ustr, -1,
cppu::UnoType< css::uno::XComponentContext >::get(),
css::beans::PropertyAttribute::READONLY);
}
class SingletonFactory:
public cppu::WeakImplHelper<css::lang::XSingleComponentFactory>
{
public:
SingletonFactory(
rtl::Reference< cppuhelper::ServiceManager > const & manager,
std::shared_ptr<
cppuhelper::ServiceManager::Data::Implementation > const &
implementation):
manager_(manager), implementation_(implementation)
{ assert(manager.is()); assert(implementation); }
SingletonFactory(const SingletonFactory&) = delete;
const SingletonFactory& operator=(const SingletonFactory&) = delete;
private:
virtual ~SingletonFactory() override {}
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithContext(
css::uno::Reference< css::uno::XComponentContext > const & Context) override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithArgumentsAndContext(
css::uno::Sequence< css::uno::Any > const & Arguments,
css::uno::Reference< css::uno::XComponentContext > const & Context) override;
rtl::Reference< cppuhelper::ServiceManager > manager_;
std::shared_ptr< cppuhelper::ServiceManager::Data::Implementation >
implementation_;
};
css::uno::Reference< css::uno::XInterface >
SingletonFactory::createInstanceWithContext(
css::uno::Reference< css::uno::XComponentContext > const & Context)
{
manager_->loadImplementation(Context, implementation_);
return implementation_->createInstance(Context, true);
}
css::uno::Reference< css::uno::XInterface >
SingletonFactory::createInstanceWithArgumentsAndContext(
css::uno::Sequence< css::uno::Any > const & Arguments,
css::uno::Reference< css::uno::XComponentContext > const & Context)
{
manager_->loadImplementation(Context, implementation_);
return implementation_->createInstanceWithArguments(
Context, true, Arguments);
}
class ImplementationWrapper:
public cppu::WeakImplHelper<
css::lang::XSingleComponentFactory, css::lang::XSingleServiceFactory,
css::lang::XServiceInfo >
{
public:
ImplementationWrapper(
rtl::Reference< cppuhelper::ServiceManager > const & manager,
std::shared_ptr<
cppuhelper::ServiceManager::Data::Implementation > const &
implementation):
manager_(manager), implementation_(implementation)
{ assert(manager.is()); assert(implementation); }
ImplementationWrapper(const ImplementationWrapper&) = delete;
const ImplementationWrapper& operator=(const ImplementationWrapper&) = delete;
private:
virtual ~ImplementationWrapper() override {}
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithContext(
css::uno::Reference< css::uno::XComponentContext > const & Context) override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithArgumentsAndContext(
css::uno::Sequence< css::uno::Any > const & Arguments,
css::uno::Reference< css::uno::XComponentContext > const & Context) override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstance() override;
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
createInstanceWithArguments(
css::uno::Sequence< css::uno::Any > const & Arguments) override;
virtual OUString SAL_CALL getImplementationName() override;
virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
virtual css::uno::Sequence< OUString > SAL_CALL
getSupportedServiceNames() override;
rtl::Reference< cppuhelper::ServiceManager > manager_;
std::weak_ptr< cppuhelper::ServiceManager::Data::Implementation >
implementation_;
};
css::uno::Reference< css::uno::XInterface >
ImplementationWrapper::createInstanceWithContext(
css::uno::Reference< css::uno::XComponentContext > const & Context)
{
std::shared_ptr< cppuhelper::ServiceManager::Data::Implementation > impl = implementation_.lock();
assert(impl);
manager_->loadImplementation(Context, impl);
return impl->createInstance(Context, false);
}
css::uno::Reference< css::uno::XInterface >
ImplementationWrapper::createInstanceWithArgumentsAndContext(
css::uno::Sequence< css::uno::Any > const & Arguments,
css::uno::Reference< css::uno::XComponentContext > const & Context)
{
std::shared_ptr< cppuhelper::ServiceManager::Data::Implementation > impl = implementation_.lock();
assert(impl);
manager_->loadImplementation(Context, impl);
return impl->createInstanceWithArguments(
Context, false, Arguments);
}
css::uno::Reference< css::uno::XInterface >
ImplementationWrapper::createInstance()
{
return createInstanceWithContext(manager_->getContext());
}
css::uno::Reference< css::uno::XInterface >
ImplementationWrapper::createInstanceWithArguments(
css::uno::Sequence< css::uno::Any > const & Arguments)
{
return createInstanceWithArgumentsAndContext(
Arguments, manager_->getContext());
}
OUString ImplementationWrapper::getImplementationName()
{
std::shared_ptr< cppuhelper::ServiceManager::Data::Implementation > impl = implementation_.lock();
assert(impl);
return impl->name;
}
sal_Bool ImplementationWrapper::supportsService(OUString const & ServiceName)
{
return cppu::supportsService(this, ServiceName);
}
css::uno::Sequence< OUString >
ImplementationWrapper::getSupportedServiceNames()
{
std::shared_ptr< cppuhelper::ServiceManager::Data::Implementation > impl = implementation_.lock();
assert(impl);
if (impl->services.size()
> o3tl::make_unsigned(SAL_MAX_INT32))
{
throw css::uno::RuntimeException(
("Implementation " + impl->name
+ " supports too many services"),
static_cast< cppu::OWeakObject * >(this));
}
return comphelper::containerToSequence(impl->services);
}
}
css::uno::Reference<css::uno::XInterface>
cppuhelper::ServiceManager::Data::Implementation::createInstance(
css::uno::Reference<css::uno::XComponentContext> const & context,
bool singletonRequest)
{
css::uno::Reference<css::uno::XInterface> inst;
if (isSingleInstance) {
std::unique_lock g(mutex);
if (!singleInstance.is()) {
singleInstance = doCreateInstance(context);
}
inst = singleInstance;
} else {
inst = doCreateInstance(context);
}
updateDisposeInstance(singletonRequest, inst);
return inst;
}
css::uno::Reference<css::uno::XInterface>
cppuhelper::ServiceManager::Data::Implementation::createInstanceWithArguments(
css::uno::Reference<css::uno::XComponentContext> const & context,
bool singletonRequest, css::uno::Sequence<css::uno::Any> const & arguments)
{
css::uno::Reference<css::uno::XInterface> inst;
if (isSingleInstance) {
std::unique_lock g(mutex);
if (!singleInstance.is()) {
singleInstance = doCreateInstanceWithArguments(context, arguments);
}
inst = singleInstance;
} else {
inst = doCreateInstanceWithArguments(context, arguments);
}
updateDisposeInstance(singletonRequest, inst);
return inst;
}
css::uno::Reference<css::uno::XInterface>
cppuhelper::ServiceManager::Data::Implementation::doCreateInstance(
css::uno::Reference<css::uno::XComponentContext> const & context)
{
if (constructorFn) {
return css::uno::Reference<css::uno::XInterface>(
constructorFn(context.get(), css::uno::Sequence<css::uno::Any>()),
SAL_NO_ACQUIRE);
} else if (factory1.is()) {
return factory1->createInstanceWithContext(context);
} else {
assert(factory2.is());
return factory2->createInstance();
}
}
css::uno::Reference<css::uno::XInterface>
cppuhelper::ServiceManager::Data::Implementation::doCreateInstanceWithArguments(
css::uno::Reference<css::uno::XComponentContext> const & context,
css::uno::Sequence<css::uno::Any> const & arguments)
{
if (constructorFn) {
css::uno::Reference<css::uno::XInterface> inst(
constructorFn(context.get(), arguments), SAL_NO_ACQUIRE);
//HACK: The constructor will either observe arguments and return inst
// that does not implement XInitialization (or null), or ignore
// arguments and return inst that implements XInitialization; this
// should be removed again once XInitialization-based implementations
// have become rare:
css::uno::Reference<css::lang::XInitialization> init(
inst, css::uno::UNO_QUERY);
if (init.is()) {
init->initialize(arguments);
}
return inst;
} else if (factory1.is()) {
return factory1->createInstanceWithArgumentsAndContext(
arguments, context);
} else {
assert(factory2.is());
return factory2->createInstanceWithArguments(arguments);
}
}
void cppuhelper::ServiceManager::Data::Implementation::updateDisposeInstance(
bool singletonRequest,
css::uno::Reference<css::uno::XInterface> const & instance)
{
// This is an optimization, to only call dispose once (from the component
// context) on a singleton that is obtained both via the component context
// and via the service manager; however, there is a harmless race here that
// may cause two calls to dispose nevertheless (also, this calls dispose on
// at most one of the instances obtained via the service manager, in case
// the implementation hands out different instances):
if (singletonRequest) {
std::unique_lock g(mutex);
disposeInstance.clear();
dispose = false;
} else if (shallDispose()) {
css::uno::Reference<css::lang::XComponent> comp(
instance, css::uno::UNO_QUERY);
if (comp.is()) {
std::unique_lock g(mutex);
if (dispose) {
disposeInstance = comp;
}
}
}
}
void cppuhelper::ServiceManager::addSingletonContextEntries(
std::vector< cppu::ContextEntry_Init > * entries)
{
assert(entries != nullptr);
for (const auto& [rName, rImpls] : data_.singletons)
{
assert(!rImpls.empty());
assert(rImpls[0]);
SAL_INFO_IF(
rImpls.size() > 1, "cppuhelper",
"Arbitrarily choosing " << rImpls[0]->name
<< " among multiple implementations for " << rName);
entries->push_back(
cppu::ContextEntry_Init(
"/singletons/" + rName,
css::uno::Any(
css::uno::Reference<css::lang::XSingleComponentFactory>(
new SingletonFactory(this, rImpls[0]))),
true));
}
}
void cppuhelper::ServiceManager::loadImplementation(
css::uno::Reference< css::uno::XComponentContext > const & context,
std::shared_ptr< Data::Implementation > const & implementation)
{
assert(implementation);
{
std::unique_lock g(m_aMutex);
if (implementation->status == Data::Implementation::STATUS_LOADED) {
return;
}
}
OUString uri;
try {
uri = cppu::bootstrap_expandUri(implementation->uri);
} catch (css::lang::IllegalArgumentException & e) {
throw css::uno::DeploymentException(
"Cannot expand URI" + implementation->uri + ": " + e.Message,
static_cast< cppu::OWeakObject * >(this));
}
cppuhelper::WrapperConstructorFn ctor;
css::uno::Reference< css::uno::XInterface > f0;
// Special handling of SharedLibrary loader, with support for environment,
// constructor, and prefix arguments:
if (!implementation->alienContext.is()
&& implementation->loader == "com.sun.star.loader.SharedLibrary")
{
cppuhelper::detail::loadSharedLibComponentFactory(
uri, implementation->environment,
implementation->prefix, implementation->name,
implementation->constructorName, this, &ctor, &f0);
if (ctor) {
assert(!implementation->environment.isEmpty());
}
} else {
SAL_WARN_IF(
!implementation->environment.isEmpty(), "cppuhelper",
"Loader " << implementation->loader
<< " and non-empty environment "
<< implementation->environment);
SAL_WARN_IF(
!implementation->prefix.isEmpty(), "cppuhelper",
"Loader " << implementation->loader
<< " and non-empty constructor "
<< implementation->constructorName);
SAL_WARN_IF(
!implementation->prefix.isEmpty(), "cppuhelper",
"Loader " << implementation->loader
<< " and non-empty prefix " << implementation->prefix);
css::uno::Reference< css::uno::XComponentContext > ctxt;
css::uno::Reference< css::lang::XMultiComponentFactory > smgr;
if (implementation->alienContext.is()) {
ctxt = implementation->alienContext;
smgr.set(ctxt->getServiceManager(), css::uno::UNO_SET_THROW);
} else {
assert(context.is());
ctxt = context;
smgr = this;
}
css::uno::Reference< css::loader::XImplementationLoader > loader(
smgr->createInstanceWithContext(implementation->loader, ctxt),
css::uno::UNO_QUERY_THROW);
f0 = loader->activate(
implementation->name, OUString(), uri,
css::uno::Reference< css::registry::XRegistryKey >());
}
css::uno::Reference<css::lang::XSingleComponentFactory> f1;
css::uno::Reference<css::lang::XSingleServiceFactory> f2;
if (!ctor) {
f1.set(f0, css::uno::UNO_QUERY);
if (!f1.is()) {
f2.set(f0, css::uno::UNO_QUERY);
if (!f2.is()) {
throw css::uno::DeploymentException(
("Implementation " + implementation->name
+ " does not provide a constructor or factory"),
static_cast< cppu::OWeakObject * >(this));
}
}
}
//TODO: There is a race here, as the relevant service factory can be removed
// while the mutex is unlocked and loading can thus fail, as the entity from
// which to load can disappear once the service factory is removed.
std::unique_lock g(m_aMutex);
if (!(m_bDisposed
|| implementation->status == Data::Implementation::STATUS_LOADED))
{
implementation->status = Data::Implementation::STATUS_LOADED;
implementation->constructorFn = std::move(ctor);
implementation->factory1 = f1;
implementation->factory2 = f2;
}
}
void cppuhelper::ServiceManager::disposing(std::unique_lock<std::mutex>& rGuard) {
std::vector< css::uno::Reference<css::lang::XComponent> > sngls;
std::vector< css::uno::Reference< css::lang::XComponent > > comps;
Data clear;
{
for (const auto& rEntry : data_.namedImplementations)
{
assert(rEntry.second);
if (rEntry.second->shallDispose()) {
std::unique_lock g2(rEntry.second->mutex);
if (rEntry.second->disposeInstance.is()) {
sngls.push_back(rEntry.second->disposeInstance);
}
}
}
for (const auto& rEntry : data_.dynamicImplementations)
{
assert(rEntry.second);
if (rEntry.second->shallDispose()) {
std::unique_lock g2(rEntry.second->mutex);
if (rEntry.second->disposeInstance.is()) {
sngls.push_back(rEntry.second->disposeInstance);
}
}
if (rEntry.second->component.is()) {
comps.push_back(rEntry.second->component);
}
}
data_.namedImplementations.swap(clear.namedImplementations);
data_.dynamicImplementations.swap(clear.dynamicImplementations);
data_.services.swap(clear.services);
data_.singletons.swap(clear.singletons);
}
rGuard.unlock();
for (const auto& rxSngl : sngls)
{
try {
rxSngl->dispose();
} catch (css::uno::RuntimeException & e) {
SAL_WARN("cppuhelper", "Ignoring " << e << " while disposing singleton");
}
}
for (const auto& rxComp : comps)
{
removeEventListenerFromComponent(rxComp);
}
rGuard.lock();
}
void cppuhelper::ServiceManager::initialize(
css::uno::Sequence<css::uno::Any> const & aArguments)
{
OUString arg;
if (aArguments.getLength() != 1 || !(aArguments[0] >>= arg)
|| arg != "preload")
{
throw css::lang::IllegalArgumentException(
u"invalid ServiceManager::initialize argument"_ustr,
css::uno::Reference<css::uno::XInterface>(), 0);
}
preloadImplementations();
}
OUString cppuhelper::ServiceManager::getImplementationName()
{
return
u"com.sun.star.comp.cppuhelper.bootstrap.ServiceManager"_ustr;
}
sal_Bool cppuhelper::ServiceManager::supportsService(
OUString const & ServiceName)
{
return cppu::supportsService(this, ServiceName);
}
css::uno::Sequence< OUString >
cppuhelper::ServiceManager::getSupportedServiceNames()
{
return { u"com.sun.star.lang.MultiServiceFactory"_ustr, u"com.sun.star.lang.ServiceManager"_ustr };
}
css::uno::Reference< css::uno::XInterface >
cppuhelper::ServiceManager::createInstance(
OUString const & aServiceSpecifier)
{
assert(context_.is());
return createInstanceWithContext(aServiceSpecifier, context_);
}
css::uno::Reference< css::uno::XInterface >
cppuhelper::ServiceManager::createInstanceWithArguments(
OUString const & ServiceSpecifier,
css::uno::Sequence< css::uno::Any > const & Arguments)
{
assert(context_.is());
return createInstanceWithArgumentsAndContext(
ServiceSpecifier, Arguments, context_);
}
css::uno::Sequence< OUString >
cppuhelper::ServiceManager::getAvailableServiceNames()
{
std::unique_lock g(m_aMutex);
if (m_bDisposed) {
return css::uno::Sequence< OUString >();
}
if (data_.services.size() > o3tl::make_unsigned(SAL_MAX_INT32)) {
throw css::uno::RuntimeException(
u"getAvailableServiceNames: too many services"_ustr,
static_cast< cppu::OWeakObject * >(this));
}
return comphelper::mapKeysToSequence(data_.services);
}
css::uno::Reference< css::uno::XInterface >
cppuhelper::ServiceManager::createInstanceWithContext(
OUString const & aServiceSpecifier,
css::uno::Reference< css::uno::XComponentContext > const & Context)
{
std::shared_ptr< Data::Implementation > impl(
findServiceImplementation(Context, aServiceSpecifier));
return impl == nullptr ? css::uno::Reference<css::uno::XInterface>()
: impl->createInstance(Context, false);
}
css::uno::Reference< css::uno::XInterface >
cppuhelper::ServiceManager::createInstanceWithArgumentsAndContext(
OUString const & ServiceSpecifier,
css::uno::Sequence< css::uno::Any > const & Arguments,
css::uno::Reference< css::uno::XComponentContext > const & Context)
{
std::shared_ptr< Data::Implementation > impl(
findServiceImplementation(Context, ServiceSpecifier));
return impl == nullptr ? css::uno::Reference<css::uno::XInterface>()
: impl->createInstanceWithArguments(Context, false, Arguments);
}
css::uno::Type cppuhelper::ServiceManager::getElementType()
{
return css::uno::Type();
}
sal_Bool cppuhelper::ServiceManager::hasElements()
{
std::unique_lock g(m_aMutex);
return
!(data_.namedImplementations.empty()
&& data_.dynamicImplementations.empty());
}
css::uno::Reference< css::container::XEnumeration >
cppuhelper::ServiceManager::createEnumeration()
{
throw css::uno::RuntimeException(
u"ServiceManager createEnumeration: method not supported"_ustr,
static_cast< cppu::OWeakObject * >(this));
}
sal_Bool cppuhelper::ServiceManager::has(css::uno::Any const &)
{
throw css::uno::RuntimeException(
u"ServiceManager has: method not supported"_ustr,
static_cast< cppu::OWeakObject * >(this));
}
void cppuhelper::ServiceManager::insert(css::uno::Any const & aElement)
{
css::uno::Sequence< css::beans::NamedValue > args;
if (aElement >>= args) {
std::vector< OUString > uris;
css::uno::Reference< css::uno::XComponentContext > alienContext;
for (const auto & arg : args) {
if (arg.Name == "uri") {
OUString uri;
if (!(arg.Value >>= uri)) {
throw css::lang::IllegalArgumentException(
u"Bad uri argument"_ustr,
static_cast< cppu::OWeakObject * >(this), 0);
}
uris.push_back(uri);
} else if (arg.Name == "component-context") {
if (alienContext.is()) {
throw css::lang::IllegalArgumentException(
u"Multiple component-context arguments"_ustr,
static_cast< cppu::OWeakObject * >(this), 0);
}
if (!(arg.Value >>= alienContext) || !alienContext.is()) {
throw css::lang::IllegalArgumentException(
u"Bad component-context argument"_ustr,
static_cast< cppu::OWeakObject * >(this), 0);
}
} else {
throw css::lang::IllegalArgumentException(
"Bad argument " + arg.Name,
static_cast< cppu::OWeakObject * >(this), 0);
}
}
insertRdbFiles(uris, alienContext);
return;
}
css::uno::Reference< css::lang::XServiceInfo > info;
if ((aElement >>= info) && info.is()) {
insertLegacyFactory(info);
return;
}
throw css::lang::IllegalArgumentException(
u"Bad insert element"_ustr, static_cast< cppu::OWeakObject * >(this), 0);
}
void cppuhelper::ServiceManager::remove(css::uno::Any const & aElement)
{
css::uno::Sequence< css::beans::NamedValue > args;
if (aElement >>= args) {
std::vector< OUString > uris;
for (const auto & i : args) {
if (i.Name != "uri") {
throw css::lang::IllegalArgumentException(
"Bad argument " + i.Name,
static_cast< cppu::OWeakObject * >(this), 0);
}
OUString uri;
if (!(i.Value >>= uri)) {
throw css::lang::IllegalArgumentException(
u"Bad uri argument"_ustr,
static_cast< cppu::OWeakObject * >(this), 0);
}
uris.push_back(uri);
}
removeRdbFiles(uris);
return;
}
css::uno::Reference< css::lang::XServiceInfo > info;
if ((aElement >>= info) && info.is()) {
if (!removeLegacyFactory(info, true)) {
throw css::container::NoSuchElementException(
u"Remove non-inserted factory object"_ustr,
static_cast< cppu::OWeakObject * >(this));
}
return;
}
OUString impl;
if (aElement >>= impl) {
// For live-removal of extensions:
removeImplementation(impl);
return;
}
throw css::lang::IllegalArgumentException(
u"Bad remove element"_ustr, static_cast< cppu::OWeakObject * >(this), 0);
}
css::uno::Reference< css::container::XEnumeration >
cppuhelper::ServiceManager::createContentEnumeration(
OUString const & aServiceName)
{
boost::container::small_vector< std::shared_ptr< Data::Implementation >, 2 > impls;
{
std::unique_lock g(m_aMutex);
Data::ImplementationMap::const_iterator i(
data_.services.find(aServiceName));
if (i != data_.services.end()) {
impls = i->second;
}
}
std::vector< css::uno::Any > factories;
for (const auto& rxImpl : impls)
{
Data::Implementation * impl = rxImpl.get();
assert(impl != nullptr);
{
std::unique_lock g(m_aMutex);
if (m_bDisposed) {
factories.clear();
break;
}
if (impl->status == Data::Implementation::STATUS_NEW) {
// Postpone actual implementation instantiation as long as
// possible (so that e.g. opening LO's "Tools - Macros" menu
// does not try to instantiate a JVM, which can lead to a
// synchronous error dialog when no JVM is specified, and
// showing the dialog while hovering over a menu can cause
// trouble):
impl->factory1 = new ImplementationWrapper(this, rxImpl);
impl->status = Data::Implementation::STATUS_WRAPPER;
}
if (impl->constructorFn != nullptr && !impl->factory1.is()) {
impl->factory1 = new ImplementationWrapper(this, rxImpl);
}
}
if (impl->factory1.is()) {
factories.push_back(css::uno::Any(impl->factory1));
} else {
assert(impl->factory2.is());
factories.push_back(css::uno::Any(impl->factory2));
}
}
return new ContentEnumeration(std::move(factories));
}
css::uno::Reference< css::beans::XPropertySetInfo >
cppuhelper::ServiceManager::getPropertySetInfo()
{
return this;
}
void cppuhelper::ServiceManager::setPropertyValue(
OUString const & aPropertyName, css::uno::Any const &)
{
if (aPropertyName == "DefaultContext") {
throw css::beans::PropertyVetoException(
aPropertyName, static_cast< cppu::OWeakObject * >(this));
} else {
throw css::beans::UnknownPropertyException(
aPropertyName, static_cast< cppu::OWeakObject * >(this));
}
}
css::uno::Any cppuhelper::ServiceManager::getPropertyValue(
OUString const & PropertyName)
{
if (PropertyName != "DefaultContext") {
throw css::beans::UnknownPropertyException(
PropertyName, static_cast< cppu::OWeakObject * >(this));
}
assert(context_.is());
return css::uno::Any(context_);
}
void cppuhelper::ServiceManager::addPropertyChangeListener(
OUString const & aPropertyName,
css::uno::Reference< css::beans::XPropertyChangeListener > const &
xListener)
{
if (!aPropertyName.isEmpty() && aPropertyName != "DefaultContext") {
throw css::beans::UnknownPropertyException(
aPropertyName, static_cast< cppu::OWeakObject * >(this));
}
// DefaultContext does not change, so just treat it as an event listener:
return addEventListener(xListener);
}
void cppuhelper::ServiceManager::removePropertyChangeListener(
OUString const & aPropertyName,
css::uno::Reference< css::beans::XPropertyChangeListener > const &
aListener)
{
if (!aPropertyName.isEmpty() && aPropertyName != "DefaultContext") {
throw css::beans::UnknownPropertyException(
aPropertyName, static_cast< cppu::OWeakObject * >(this));
}
// DefaultContext does not change, so just treat it as an event listener:
return removeEventListener(aListener);
}
void cppuhelper::ServiceManager::addVetoableChangeListener(
OUString const & PropertyName,
css::uno::Reference< css::beans::XVetoableChangeListener > const &
aListener)
{
if (!PropertyName.isEmpty() && PropertyName != "DefaultContext") {
throw css::beans::UnknownPropertyException(
PropertyName, static_cast< cppu::OWeakObject * >(this));
}
// DefaultContext does not change, so just treat it as an event listener:
return addEventListener(aListener);
}
void cppuhelper::ServiceManager::removeVetoableChangeListener(
OUString const & PropertyName,
css::uno::Reference< css::beans::XVetoableChangeListener > const &
aListener)
{
if (!PropertyName.isEmpty() && PropertyName != "DefaultContext") {
throw css::beans::UnknownPropertyException(
PropertyName, static_cast< cppu::OWeakObject * >(this));
}
// DefaultContext does not change, so just treat it as an event listener:
return removeEventListener(aListener);
}
css::uno::Sequence< css::beans::Property >
cppuhelper::ServiceManager::getProperties() {
return { getDefaultContextProperty() };
}
css::beans::Property cppuhelper::ServiceManager::getPropertyByName(
OUString const & aName)
{
if (aName != "DefaultContext") {
throw css::beans::UnknownPropertyException(
aName, static_cast< cppu::OWeakObject * >(this));
}
return getDefaultContextProperty();
}
sal_Bool cppuhelper::ServiceManager::hasPropertyByName(
OUString const & Name)
{
return Name == "DefaultContext";
}
cppuhelper::ServiceManager::~ServiceManager() {}
void cppuhelper::ServiceManager::disposing(
css::lang::EventObject const & Source)
{
removeLegacyFactory(
css::uno::Reference< css::lang::XServiceInfo >(
Source.Source, css::uno::UNO_QUERY_THROW),
false);
}
void cppuhelper::ServiceManager::removeEventListenerFromComponent(
css::uno::Reference< css::lang::XComponent > const & component)
{
assert(component.is());
try {
component->removeEventListener(this);
} catch (css::uno::RuntimeException & e) {
SAL_INFO(
"cppuhelper",
"Ignored removeEventListener RuntimeException " + e.Message);
}
}
void cppuhelper::ServiceManager::init(std::u16string_view rdbUris) {
for (sal_Int32 i = 0; i != -1;) {
std::u16string_view uri(o3tl::getToken(rdbUris, 0, ' ', i));
if (uri.empty()) {
continue;
}
bool optional;
bool directory;
cppu::decodeRdbUri(&uri, &optional, &directory);
if (directory) {
readRdbDirectory(uri, optional);
} else {
readRdbFile(OUString(uri), optional);
}
}
}
void cppuhelper::ServiceManager::readRdbDirectory(
std::u16string_view uri, bool optional)
{
osl::Directory dir = OUString(uri);
switch (dir.open()) {
case osl::FileBase::E_None:
break;
case osl::FileBase::E_NOENT:
if (optional) {
SAL_INFO("cppuhelper", "Ignored optional " << OUString(uri));
return;
}
[[fallthrough]];
default:
throw css::uno::DeploymentException(
OUString::Concat("Cannot open directory ") + uri,
static_cast< cppu::OWeakObject * >(this));
}
for (;;) {
OUString url;
if (!cppu::nextDirectoryItem(dir, &url)) {
break;
}
readRdbFile(url, false);
}
}
void cppuhelper::ServiceManager::readRdbFile(
OUString const & uri, bool optional)
{
try {
Parser(
uri, css::uno::Reference< css::uno::XComponentContext >(), &data_);
} catch (css::container::NoSuchElementException &) {
if (!optional) {
throw css::uno::DeploymentException(
uri + ": no such file",
static_cast< cppu::OWeakObject * >(this));
}
SAL_INFO("cppuhelper", "Ignored optional " << uri);
}
#if !ENABLE_FUZZERS
catch (css::registry::InvalidRegistryException & e) {
if (!readLegacyRdbFile(uri)) {
throw css::uno::DeploymentException(
"InvalidRegistryException: " + e.Message,
static_cast< cppu::OWeakObject * >(this));
}
} catch (css::uno::RuntimeException &) {
if (!readLegacyRdbFile(uri)) {
throw;
}
}
#endif
}
#if !ENABLE_FUZZERS
bool cppuhelper::ServiceManager::readLegacyRdbFile(OUString const & uri) {
Registry reg;
switch (reg.open(uri, RegAccessMode::READONLY)) {
case RegError::NO_ERROR:
break;
case RegError::REGISTRY_NOT_EXISTS:
case RegError::INVALID_REGISTRY:
{
// Ignore empty rdb files (which are at least seen by subordinate
// uno processes during extension registration; Registry::open can
// fail on them if mmap(2) returns EINVAL for a zero length):
osl::DirectoryItem item;
if (osl::DirectoryItem::get(uri, item) == osl::FileBase::E_None) {
osl::FileStatus status(osl_FileStatus_Mask_FileSize);
if (item.getFileStatus(status) == osl::FileBase::E_None
&& status.getFileSize() == 0)
{
return true;
}
}
}
[[fallthrough]];
default:
return false;
}
RegistryKey rootKey;
if (reg.openRootKey(rootKey) != RegError::NO_ERROR) {
throw css::uno::DeploymentException(
"Failure reading legacy rdb file " + uri,
static_cast< cppu::OWeakObject * >(this));
}
RegistryKeyArray impls;
switch (rootKey.openSubKeys(u"IMPLEMENTATIONS"_ustr, impls)) {
case RegError::NO_ERROR:
break;
case RegError::KEY_NOT_EXISTS:
return true;
default:
throw css::uno::DeploymentException(
"Failure reading legacy rdb file " + uri,
static_cast< cppu::OWeakObject * >(this));
}
for (sal_uInt32 i = 0; i != impls.getLength(); ++i) {
RegistryKey implKey(impls.getElement(i));
assert(implKey.getName().match("/IMPLEMENTATIONS/"));
OUString name(
implKey.getName().copy(RTL_CONSTASCII_LENGTH("/IMPLEMENTATIONS/")));
std::shared_ptr< Data::Implementation > impl =
std::make_shared<Data::Implementation>(
name, readLegacyRdbString(uri, implKey, u"UNO/ACTIVATOR"_ustr),
readLegacyRdbString(uri, implKey, u"UNO/LOCATION"_ustr), "", "", "", false,
css::uno::Reference< css::uno::XComponentContext >(), uri);
if (!data_.namedImplementations.emplace(name, impl).second)
{
throw css::registry::InvalidRegistryException(
uri + ": duplicate <implementation name=\"" + name + "\">");
}
readLegacyRdbStrings(
uri, implKey, u"UNO/SERVICES"_ustr, &impl->services);
for (const auto& rService : impl->services)
{
data_.services[rService].push_back(impl);
}
readLegacyRdbStrings(
uri, implKey, u"UNO/SINGLETONS"_ustr, &impl->singletons);
for (const auto& rSingleton : impl->singletons)
{
data_.singletons[rSingleton].push_back(impl);
}
}
return true;
}
OUString cppuhelper::ServiceManager::readLegacyRdbString(
std::u16string_view uri, RegistryKey & key, OUString const & path)
{
RegistryKey subkey;
RegValueType t;
sal_uInt32 s(0);
if (key.openKey(path, subkey) != RegError::NO_ERROR
|| subkey.getValueInfo(OUString(), &t, &s) != RegError::NO_ERROR
|| t != RegValueType::STRING
|| s == 0 || s > o3tl::make_unsigned(SAL_MAX_INT32))
{
throw css::uno::DeploymentException(
OUString::Concat("Failure reading legacy rdb file ") + uri,
static_cast< cppu::OWeakObject * >(this));
}
OUString val;
std::vector< char > v(s); // assuming sal_uInt32 fits into vector::size_type
assert(s > 0 && "throw above otherwise");
if (subkey.getValue(OUString(), v.data()) != RegError::NO_ERROR
|| v.back() != '\0'
|| !rtl_convertStringToUString(
&val.pData, v.data(), static_cast< sal_Int32 >(s - 1),
RTL_TEXTENCODING_UTF8,
(RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR
| RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR
| RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR)))
{
throw css::uno::DeploymentException(
OUString::Concat("Failure reading legacy rdb file ") + uri,
static_cast< cppu::OWeakObject * >(this));
}
return val;
}
void cppuhelper::ServiceManager::readLegacyRdbStrings(
std::u16string_view uri, RegistryKey & key, OUString const & path,
std::vector< OUString > * strings)
{
assert(strings != nullptr);
RegistryKey subkey;
switch (key.openKey(path, subkey)) {
case RegError::NO_ERROR:
break;
case RegError::KEY_NOT_EXISTS:
return;
default:
throw css::uno::DeploymentException(
OUString::Concat("Failure reading legacy rdb file ") + uri,
static_cast< cppu::OWeakObject * >(this));
}
OUString prefix(subkey.getName() + "/");
RegistryKeyNames names;
if (subkey.getKeyNames(OUString(), names) != RegError::NO_ERROR) {
throw css::uno::DeploymentException(
OUString::Concat("Failure reading legacy rdb file ") + uri,
static_cast< cppu::OWeakObject * >(this));
}
for (sal_uInt32 i = 0; i != names.getLength(); ++i) {
assert(names.getElement(i).match(prefix));
strings->push_back(names.getElement(i).copy(prefix.getLength()));
}
}
#endif
void cppuhelper::ServiceManager::insertRdbFiles(
std::vector< OUString > const & uris,
css::uno::Reference< css::uno::XComponentContext > const & alienContext)
{
Data extra;
for (const auto& rUri : uris)
{
try {
Parser(rUri, alienContext, &extra);
} catch (css::container::NoSuchElementException &) {
throw css::lang::IllegalArgumentException(
rUri + ": no such file", static_cast< cppu::OWeakObject * >(this),
0);
} catch (css::registry::InvalidRegistryException & e) {
throw css::lang::IllegalArgumentException(
"InvalidRegistryException: " + e.Message,
static_cast< cppu::OWeakObject * >(this), 0);
}
}
insertExtraData(extra);
}
void cppuhelper::ServiceManager::insertLegacyFactory(
css::uno::Reference< css::lang::XServiceInfo > const & factoryInfo)
{
assert(factoryInfo.is());
OUString name(factoryInfo->getImplementationName());
css::uno::Reference< css::lang::XSingleComponentFactory > f1(
factoryInfo, css::uno::UNO_QUERY);
css::uno::Reference< css::lang::XSingleServiceFactory > f2;
if (!f1.is()) {
f2.set(factoryInfo, css::uno::UNO_QUERY);
if (!f2.is()) {
throw css::lang::IllegalArgumentException(
(u"Bad XServiceInfo argument implements neither"
" XSingleComponentFactory nor XSingleServiceFactory"_ustr),
static_cast< cppu::OWeakObject * >(this), 0);
}
}
css::uno::Reference< css::lang::XComponent > comp(
factoryInfo, css::uno::UNO_QUERY);
std::shared_ptr< Data::Implementation > impl =
std::make_shared<Data::Implementation>(name, f1, f2, comp);
Data extra;
if (!name.isEmpty()) {
extra.namedImplementations.emplace(name, impl);
}
extra.dynamicImplementations.emplace(factoryInfo, impl);
const css::uno::Sequence< OUString > services(
factoryInfo->getSupportedServiceNames());
for (const auto & i : services) {
impl->services.push_back(i);
extra.services[i].push_back(impl);
}
if (insertExtraData(extra) && comp.is()) {
comp->addEventListener(this);
}
}
bool cppuhelper::ServiceManager::insertExtraData(Data const & extra) {
{
std::unique_lock g(m_aMutex);
if (m_bDisposed) {
return false;
}
auto i = std::find_if(extra.namedImplementations.begin(), extra.namedImplementations.end(),
[this](const Data::NamedImplementations::value_type& rEntry) {
return data_.namedImplementations.find(rEntry.first) != data_.namedImplementations.end(); });
if (i != extra.namedImplementations.end())
{
throw css::lang::IllegalArgumentException(
"Insert duplicate implementation name " + i->first,
static_cast< cppu::OWeakObject * >(this), 0);
}
bool bDuplicate = std::any_of(extra.dynamicImplementations.begin(), extra.dynamicImplementations.end(),
[this](const Data::DynamicImplementations::value_type& rEntry) {
return data_.dynamicImplementations.find(rEntry.first) != data_.dynamicImplementations.end(); });
if (bDuplicate)
{
throw css::lang::IllegalArgumentException(
u"Insert duplicate factory object"_ustr,
static_cast< cppu::OWeakObject * >(this), 0);
}
//TODO: The below leaves data_ in an inconsistent state upon exceptions:
data_.namedImplementations.insert(
extra.namedImplementations.begin(),
extra.namedImplementations.end());
data_.dynamicImplementations.insert(
extra.dynamicImplementations.begin(),
extra.dynamicImplementations.end());
insertImplementationMap(&data_.services, extra.services);
insertImplementationMap(&data_.singletons, extra.singletons);
}
//TODO: Updating the component context singleton data should be part of the
// atomic service manager update:
if (extra.singletons.empty())
return true;
assert(context_.is());
css::uno::Reference< css::container::XNameContainer > cont(
context_, css::uno::UNO_QUERY_THROW);
for (const auto& [rName, rImpls] : extra.singletons)
{
OUString name("/singletons/" + rName);
//TODO: Update should be atomic:
try {
cont->removeByName(name + "/arguments");
} catch (const css::container::NoSuchElementException &) {}
assert(!rImpls.empty());
assert(rImpls[0]);
SAL_INFO_IF(
rImpls.size() > 1, "cppuhelper",
"Arbitrarily choosing " << rImpls[0]->name
<< " among multiple implementations for singleton "
<< rName);
try {
cont->insertByName(
name + "/service", css::uno::Any(rImpls[0]->name));
} catch (css::container::ElementExistException &) {
cont->replaceByName(
name + "/service", css::uno::Any(rImpls[0]->name));
}
try {
cont->insertByName(name, css::uno::Any());
} catch (css::container::ElementExistException &) {
SAL_INFO("cppuhelper", "Overwriting singleton " << rName);
cont->replaceByName(name, css::uno::Any());
}
}
return true;
}
void cppuhelper::ServiceManager::removeRdbFiles(
std::vector< OUString > const & uris)
{
// The underlying data structures make this function somewhat inefficient,
// but the assumption is that it is rarely called (and that if it is called,
// it is called with a uris vector of size one):
std::vector< std::shared_ptr< Data::Implementation > > clear;
{
std::unique_lock g(m_aMutex);
for (const auto& rUri : uris)
{
for (Data::NamedImplementations::iterator j(
data_.namedImplementations.begin());
j != data_.namedImplementations.end();)
{
assert(j->second);
if (j->second->rdbFile == rUri) {
clear.push_back(j->second);
//TODO: The below leaves data_ in an inconsistent state upon
// exceptions:
removeFromImplementationMap(
&data_.services, j->second->services, j->second);
removeFromImplementationMap(
&data_.singletons, j->second->singletons,
j->second);
j = data_.namedImplementations.erase(j);
} else {
++j;
}
}
}
}
//TODO: Update the component context singleton data
}
bool cppuhelper::ServiceManager::removeLegacyFactory(
css::uno::Reference< css::lang::XServiceInfo > const & factoryInfo,
bool removeListener)
{
assert(factoryInfo.is());
std::shared_ptr< Data::Implementation > clear;
css::uno::Reference< css::lang::XComponent > comp;
{
std::unique_lock g(m_aMutex);
Data::DynamicImplementations::iterator i(
data_.dynamicImplementations.find(factoryInfo));
if (i == data_.dynamicImplementations.end()) {
return m_bDisposed;
}
assert(i->second);
clear = i->second;
if (removeListener) {
comp = i->second->component;
}
//TODO: The below leaves data_ in an inconsistent state upon exceptions:
removeFromImplementationMap(
&data_.services, i->second->services, i->second);
removeFromImplementationMap(
&data_.singletons, i->second->singletons, i->second);
if (!i->second->name.isEmpty()) {
data_.namedImplementations.erase(i->second->name);
}
data_.dynamicImplementations.erase(i);
}
if (comp.is()) {
removeEventListenerFromComponent(comp);
}
return true;
}
void cppuhelper::ServiceManager::removeImplementation(const OUString & name) {
// The underlying data structures make this function somewhat inefficient,
// but the assumption is that it is rarely called:
std::shared_ptr< Data::Implementation > clear;
{
std::unique_lock g(m_aMutex);
if (m_bDisposed) {
return;
}
Data::NamedImplementations::iterator i(
data_.namedImplementations.find(name));
if (i == data_.namedImplementations.end()) {
throw css::container::NoSuchElementException(
"Remove non-inserted implementation " + name,
static_cast< cppu::OWeakObject * >(this));
}
assert(i->second);
clear = i->second;
//TODO: The below leaves data_ in an inconsistent state upon exceptions:
removeFromImplementationMap(
&data_.services, i->second->services, i->second);
removeFromImplementationMap(
&data_.singletons, i->second->singletons, i->second);
auto j = std::find_if(data_.dynamicImplementations.begin(), data_.dynamicImplementations.end(),
[&i](const Data::DynamicImplementations::value_type& rEntry) { return rEntry.second == i->second; });
if (j != data_.dynamicImplementations.end())
data_.dynamicImplementations.erase(j);
data_.namedImplementations.erase(i);
}
}
std::shared_ptr< cppuhelper::ServiceManager::Data::Implementation >
cppuhelper::ServiceManager::findServiceImplementation(
css::uno::Reference< css::uno::XComponentContext > const & context,
OUString const & specifier)
{
std::shared_ptr< Data::Implementation > impl;
bool loaded;
{
std::unique_lock g(m_aMutex);
Data::ImplementationMap::const_iterator i(
data_.services.find(specifier));
if (i == data_.services.end()) {
Data::NamedImplementations::const_iterator j(
data_.namedImplementations.find(specifier));
if (j == data_.namedImplementations.end()) {
SAL_INFO("cppuhelper", "No implementation for " << specifier);
return std::shared_ptr< Data::Implementation >();
}
impl = j->second;
} else {
assert(!i->second.empty());
SAL_INFO_IF(
i->second.size() > 1, "cppuhelper",
"Arbitrarily choosing " << i->second[0]->name
<< " among multiple implementations for " << i->first);
impl = i->second[0];
}
assert(impl);
loaded = impl->status == Data::Implementation::STATUS_LOADED;
}
if (!loaded) {
loadImplementation(context, impl);
}
return impl;
}
/// Make a simpler unique name for preload / progress reporting.
#ifndef DISABLE_DYNLOADING
static OUString simplifyModule(std::u16string_view uri)
{
sal_Int32 nIdx;
OUStringBuffer edit(uri);
if ((nIdx = edit.lastIndexOf('/')) > 0)
edit.remove(0,nIdx+1);
if ((nIdx = edit.lastIndexOf(':')) > 0)
edit.remove(0,nIdx+1);
if ((nIdx = edit.lastIndexOf("lo.so")) > 0)
edit.truncate(nIdx);
if ((nIdx = edit.lastIndexOf(".3")) > 0)
edit.truncate(nIdx);
if ((nIdx = edit.lastIndexOf("gcc3.so")) > 0)
edit.truncate(nIdx);
if ((nIdx = edit.lastIndexOf(".so")) > 0)
edit.truncate(nIdx);
if ((nIdx = edit.lastIndexOf("_uno")) > 0)
edit.truncate(nIdx);
if ((nIdx = edit.lastIndexOf(".jar")) > 0)
edit.truncate(nIdx);
if (edit.indexOf("lib") == 0)
edit.remove(0,3);
return edit.makeStringAndClear();
}
#endif
/// Used only by LibreOfficeKit when used by Online to pre-initialize
void cppuhelper::ServiceManager::preloadImplementations() {
#ifdef DISABLE_DYNLOADING
abort();
#else
OUString aUri;
std::unique_lock g(m_aMutex);
css::uno::Environment aSourceEnv(css::uno::Environment::getCurrent());
std::cerr << "preload:";
std::vector<OUString> aReported;
std::vector<OUString> aDisabled;
OUStringBuffer aDisabledMsg;
OUStringBuffer aMissingMsg;
/// Allow external callers & testers to disable certain components
const char *pDisable = getenv("UNODISABLELIBRARY");
if (pDisable)
{
OUString aDisable(pDisable, strlen(pDisable), RTL_TEXTENCODING_UTF8);
for (sal_Int32 i = 0; i >= 0; )
{
OUString tok( aDisable.getToken(0, ' ', i) );
tok = tok.trim();
if (!tok.isEmpty())
aDisabled.push_back(tok);
}
}
// loop all implementations
for (const auto& rEntry : data_.namedImplementations)
{
if (rEntry.second->loader != "com.sun.star.loader.SharedLibrary" ||
rEntry.second->status == Data::Implementation::STATUS_LOADED)
continue;
OUString simplified;
try
{
const OUString &aLibrary = rEntry.second->uri;
if (aLibrary.isEmpty())
continue;
simplified = simplifyModule(aLibrary);
bool bDisabled =
std::find(aDisabled.begin(), aDisabled.end(), simplified) != aDisabled.end();
if (std::find(aReported.begin(), aReported.end(), aLibrary) == aReported.end())
{
if (bDisabled)
{
aDisabledMsg.append(simplified + " ");
}
else
{
std::cerr << " " << simplified;
std::cerr.flush();
}
aReported.push_back(aLibrary);
}
if (bDisabled)
continue;
// expand absolute URI implementation component library
aUri = cppu::bootstrap_expandUri(aLibrary);
}
catch (css::lang::IllegalArgumentException& aError)
{
throw css::uno::DeploymentException(
"Cannot expand URI" + rEntry.second->uri + ": " + aError.Message,
static_cast< cppu::OWeakObject * >(this));
}
// load component library
osl::Module aModule(aUri, SAL_LOADMODULE_NOW | SAL_LOADMODULE_GLOBAL);
if (!aModule.is())
{
aMissingMsg.append(simplified + " ");
}
if (aModule.is() &&
!rEntry.second->environment.isEmpty())
{
oslGenericFunction fpFactory;
css::uno::Environment aTargetEnv;
css::uno::Reference<css::uno::XInterface> xFactory;
if(rEntry.second->constructorName.isEmpty())
{
OUString aSymFactory;
// expand full name component factory symbol
if (rEntry.second->prefix == "direct")
aSymFactory = rEntry.second->name.replace('.', '_') + "_" COMPONENT_GETFACTORY;
else if (!rEntry.second->prefix.isEmpty())
aSymFactory = rEntry.second->prefix + "_" COMPONENT_GETFACTORY;
else
aSymFactory = COMPONENT_GETFACTORY;
// get function symbol component factory
fpFactory = aModule.getFunctionSymbol(aSymFactory);
if (fpFactory == nullptr)
{
throw css::loader::CannotActivateFactoryException(
("no factory symbol \"" + aSymFactory + "\" in component library :" + aUri),
css::uno::Reference<css::uno::XInterface>());
}
aTargetEnv = cppuhelper::detail::getEnvironment(rEntry.second->environment, rEntry.second->name);
component_getFactoryFunc fpComponentFactory = reinterpret_cast<component_getFactoryFunc>(fpFactory);
if (aSourceEnv.get() == aTargetEnv.get())
{
// invoke function component factory
OString aImpl(OUStringToOString(rEntry.second->name, RTL_TEXTENCODING_ASCII_US));
xFactory.set(css::uno::Reference<css::uno::XInterface>(static_cast<css::uno::XInterface *>(
(*fpComponentFactory)(aImpl.getStr(), this, nullptr)), SAL_NO_ACQUIRE));
}
}
else
{
// get function symbol component factory
aTargetEnv = cppuhelper::detail::getEnvironment(rEntry.second->environment, rEntry.second->name);
fpFactory = (aSourceEnv.get() == aTargetEnv.get()) ?
aModule.getFunctionSymbol(rEntry.second->constructorName) : nullptr;
}
css::uno::Reference<css::lang::XSingleComponentFactory> xSCFactory;
css::uno::Reference<css::lang::XSingleServiceFactory> xSSFactory;
// query interface XSingleComponentFactory or XSingleServiceFactory
if (xFactory.is())
{
xSCFactory.set(xFactory, css::uno::UNO_QUERY);
if (!xSCFactory.is())
{
xSSFactory.set(xFactory, css::uno::UNO_QUERY);
if (!xSSFactory.is())
throw css::uno::DeploymentException(
("Implementation " + rEntry.second->name
+ " does not provide a constructor or factory"),
static_cast< cppu::OWeakObject * >(this));
}
}
if (!rEntry.second->constructorName.isEmpty() && fpFactory)
rEntry.second->constructorFn = WrapperConstructorFn(reinterpret_cast<ImplementationConstructorFn *>(fpFactory));
rEntry.second->factory1 = std::move(xSCFactory);
rEntry.second->factory2 = std::move(xSSFactory);
rEntry.second->status = Data::Implementation::STATUS_LOADED;
}
// Some libraries use other (non-UNO) libraries requiring preinit
oslGenericFunction fpPreload = aModule.getFunctionSymbol( "lok_preload_hook" );
if (fpPreload)
{
static std::vector<oslGenericFunction> aPreloaded;
if (std::find(aPreloaded.begin(), aPreloaded.end(), fpPreload) == aPreloaded.end())
{
aPreloaded.push_back(fpPreload);
// unlock because we may be instantiating some services here
g.unlock();
fpPreload();
g.lock();
}
}
// leak aModule
aModule.release();
}
std::cerr << std::endl;
if (aMissingMsg.getLength() > 0)
{
OUString aMsg = aMissingMsg.makeStringAndClear();
std::cerr << "Absent (often optional): " << aMsg << "\n";
}
if (aDisabledMsg.getLength() > 0)
{
OUString aMsg = aDisabledMsg.makeStringAndClear();
std::cerr << "Disabled: " << aMsg << "\n";
}
std::cerr.flush();
// Various rather important uno mappings.
static struct {
OUString maFrom;
OUString maTo;
OUString maPurpose;
} constexpr aMappingLoad[] = {
{ u"gcc3"_ustr, u"uno"_ustr, u""_ustr },
{ u"uno"_ustr, u"gcc3"_ustr, u""_ustr },
};
static std::vector<css::uno::Mapping> maMaps;
for (auto &it : aMappingLoad)
{
maMaps.push_back(css::uno::Mapping(it.maFrom, it.maTo, it.maPurpose));
}
#endif
}
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