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|
/* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <string.h>
#include <string_view>
#include <vector>
#include <cppuhelper/exc_hlp.hxx>
#include <cppuhelper/weak.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <comphelper/sequence.hxx>
#include <rtl/ustring.hxx>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/loader/XImplementationLoader.hpp>
#include <com/sun/star/registry/XImplementationRegistration2.hpp>
#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
#include <com/sun/star/reflection/XServiceTypeDescription.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/uno/RuntimeException.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include "mergekeys.hxx"
#if defined(_WIN32)
#include <io.h>
#endif
using namespace com::sun::star;
using namespace css::uno;
using namespace css::loader;
using namespace css::beans;
using namespace css::lang;
using namespace css::registry;
using namespace cppu;
using namespace osl;
namespace {
constexpr OUStringLiteral slash_UNO_slash_REGISTRY_LINKS
= u"/UNO/REGISTRY_LINKS";
constexpr OUStringLiteral slash_IMPLEMENTATIONS
= u"/IMPLEMENTATIONS";
constexpr OUStringLiteral slash_UNO
= u"/UNO";
constexpr OUStringLiteral slash_UNO_slash_SERVICES
= u"/UNO/SERVICES";
constexpr OUStringLiteral slash_UNO_slash_SINGLETONS
= u"/UNO/SINGLETONS";
constexpr OUStringLiteral slash_SERVICES
= u"/SERVICES/";
constexpr OUStringLiteral slash_UNO_slash_LOCATION
= u"/UNO/LOCATION";
constexpr OUStringLiteral slash_UNO_slash_ACTIVATOR
= u"/UNO/ACTIVATOR";
constexpr OUStringLiteral colon_old
= u":old";
constexpr OUStringLiteral com_sun_star_registry_SimpleRegistry
= u"com.sun.star.registry.SimpleRegistry";
constexpr OUStringLiteral Registry
= u"Registry";
// static deleteAllLinkReferences()
void deleteAllLinkReferences(const Reference < XSimpleRegistry >& xReg,
const Reference < XRegistryKey >& xSource)
// throw ( InvalidRegistryException, RuntimeException )
{
Reference < XRegistryKey > xKey = xSource->openKey(
slash_UNO_slash_REGISTRY_LINKS );
if (!(xKey.is() && (xKey->getValueType() == RegistryValueType_ASCIILIST)))
return;
const Sequence<OUString> linkNames = xKey->getAsciiListValue();
if (!linkNames.hasElements())
return;
OUString aLinkName;
OUString aLinkParent;
Reference < XRegistryKey > xLinkParent;
const sal_Unicode* pTmpName = nullptr;
const sal_Unicode* pShortName = nullptr;
sal_Int32 sEnd = 0;
for (const OUString& rLinkName : linkNames)
{
aLinkName = rLinkName;
pTmpName = aLinkName.getStr();
if (pTmpName[0] != L'/')
continue;
sal_Int32 nIndex = rtl_ustr_indexOfChar( pTmpName, '%' );
if ( nIndex == -1 )
pShortName = nullptr;
else
pShortName = pTmpName+nIndex;
while (pShortName && pShortName[1] == L'%')
{
nIndex = rtl_ustr_indexOfChar( pShortName+2, '%' );
if ( nIndex == -1 )
pShortName = nullptr;
else
pShortName += nIndex+2;
}
if (pShortName)
{
aLinkName = aLinkName.copy(0, pShortName - pTmpName);
}
xReg->getRootKey()->deleteLink(aLinkName);
sEnd = aLinkName.lastIndexOf( '/' );
aLinkParent = aLinkName.copy(0, sEnd);
while(!aLinkParent.isEmpty())
{
xLinkParent = xReg->getRootKey()->openKey(aLinkParent);
if (xLinkParent.is() && !xLinkParent->getKeyNames().hasElements())
{
aLinkName = aLinkParent;
xReg->getRootKey()->deleteKey(aLinkParent);
sEnd = aLinkName.lastIndexOf( '/' );
aLinkParent = aLinkName.copy(0, sEnd);
}
else
{
break;
}
}
}
}
// static prepareLink
void prepareLink( const Reference < XSimpleRegistry > & xDest,
const Reference < XRegistryKey > & xSource,
const OUString& link)
// throw ( InvalidRegistryException, RuntimeException )
{
OUString linkRefName = xSource->getKeyName();
OUString linkName(link);
bool isRelativ = false;
const sal_Unicode* pTmpName = link.getStr();
const sal_Unicode* pShortName;
sal_Int32 nIndex = rtl_ustr_indexOfChar( pTmpName, '%' );
if ( nIndex == -1 )
pShortName = nullptr;
else
pShortName = pTmpName+nIndex;
if (pTmpName[0] != L'/')
isRelativ = true;
while (pShortName && pShortName[1] == L'%')
{
nIndex = rtl_ustr_indexOfChar( pShortName+2, '%' );
if ( nIndex == -1 )
pShortName = nullptr;
else
pShortName += nIndex+2;
}
if (pShortName)
{
linkRefName += link.subView(pShortName - pTmpName + 1);
linkName = link.copy(0, pShortName - pTmpName);
}
if (isRelativ)
xSource->createLink(linkName, linkRefName);
else
xDest->getRootKey()->createLink(linkName, linkRefName);
}
// static searchImplForLink
OUString searchImplForLink(
const Reference < XRegistryKey > & xRootKey,
std::u16string_view linkName,
std::u16string_view implName )
// throw ( InvalidRegistryException, RuntimeException )
{
Reference < XRegistryKey > xKey = xRootKey->openKey( slash_IMPLEMENTATIONS );
if (xKey.is())
{
const Sequence< Reference < XRegistryKey > > subKeys( xKey->openKeys() );
OUString key_name( slash_UNO + linkName );
for (const Reference < XRegistryKey >& xImplKey : subKeys)
{
try
{
if (xImplKey->getKeyType( key_name ) == RegistryKeyType_LINK)
{
OUString oldImplName = xImplKey->getKeyName().copy(strlen("/IMPLEMENTATIONS/"));
if (implName != oldImplName)
{
return oldImplName;
}
}
}
catch(InvalidRegistryException&)
{
}
}
}
return OUString();
}
// static searchLinkTargetForImpl
OUString searchLinkTargetForImpl(const Reference < XRegistryKey >& xRootKey,
std::u16string_view linkName,
const OUString& implName)
{
Reference < XRegistryKey > xKey = xRootKey->openKey( slash_IMPLEMENTATIONS );
if (xKey.is())
{
const Sequence< Reference < XRegistryKey > > subKeys = xKey->openKeys();
OUString qualifiedLinkName( slash_UNO + linkName );
auto pSubKey = std::find_if(subKeys.begin(), subKeys.end(),
[&implName, &qualifiedLinkName](const Reference<XRegistryKey>& rSubKey) {
OUString tmpImplName = rSubKey->getKeyName().copy(strlen("/IMPLEMENTATIONS/"));
return tmpImplName == implName
&& rSubKey->getKeyType( qualifiedLinkName ) == RegistryKeyType_LINK;
});
if (pSubKey != subKeys.end())
return (*pSubKey)->getLinkTarget( qualifiedLinkName );
}
return OUString();
}
// static createUniqueSubEntry
void createUniqueSubEntry(const Reference < XRegistryKey > & xSuperKey,
const OUString& value)
// throw ( InvalidRegistryException, RuntimeException )
{
if (!xSuperKey.is())
return;
if (xSuperKey->getValueType() == RegistryValueType_ASCIILIST)
{
const Sequence<OUString> implEntries = xSuperKey->getAsciiListValue();
sal_Int32 length = implEntries.getLength();
bool bReady = comphelper::findValue(implEntries, value) != -1;
if (bReady)
{
Sequence<OUString> implEntriesNew(length);
auto it = implEntriesNew.getArray();
*it = value;
std::copy_if(implEntries.begin(), implEntries.end(), std::next(it),
[&value](const OUString& rEntry) { return rEntry != value; });
xSuperKey->setAsciiListValue(implEntriesNew);
} else
{
Sequence<OUString> implEntriesNew(length+1);
auto it = implEntriesNew.getArray();
*it = value;
std::copy(implEntries.begin(), implEntries.end(), std::next(it));
xSuperKey->setAsciiListValue(implEntriesNew);
}
} else
{
Sequence<OUString> implEntriesNew { value };
xSuperKey->setAsciiListValue(implEntriesNew);
}
}
// static deleteSubEntry
bool deleteSubEntry(const Reference < XRegistryKey >& xSuperKey, const OUString& value)
// throw ( InvalidRegistryException, RuntimeException )
{
if (xSuperKey->getValueType() == RegistryValueType_ASCIILIST)
{
const Sequence<OUString> implEntries = xSuperKey->getAsciiListValue();
sal_Int32 length = implEntries.getLength();
sal_Int32 equals = static_cast<sal_Int32>(std::count(implEntries.begin(), implEntries.end(), value));
bool hasNoImplementations = false;
if (equals == length)
{
hasNoImplementations = true;
} else
{
Sequence<OUString> implEntriesNew(length - equals);
std::copy_if(implEntries.begin(), implEntries.end(), implEntriesNew.getArray(),
[&value](const OUString& rEntry) { return rEntry != value; });
xSuperKey->setAsciiListValue(implEntriesNew);
}
if (hasNoImplementations)
{
return true;
}
}
return false;
}
// static prepareUserLink
void prepareUserLink(const Reference < XSimpleRegistry >& xDest,
const OUString& linkName,
const OUString& linkTarget,
std::u16string_view implName)
{
Reference < XRegistryKey > xRootKey = xDest->getRootKey();
if (xRootKey->getKeyType(linkName) == RegistryKeyType_LINK)
{
OUString oldImplName(searchImplForLink(xRootKey, linkName, implName));
if (!oldImplName.isEmpty())
{
createUniqueSubEntry(xDest->getRootKey()->createKey(
linkName + colon_old ), oldImplName);
}
}
if (xRootKey->isValid())
xRootKey->createLink(linkName, linkTarget);
}
// static deleteUserLink
void deletePathIfPossible(const Reference < XRegistryKey >& xRootKey,
const OUString& path)
{
try
{
Sequence<OUString> keyNames(xRootKey->openKey(path)->getKeyNames());
if (!keyNames.hasElements() &&
xRootKey->openKey(path)->getValueType() == RegistryValueType_NOT_DEFINED)
{
xRootKey->deleteKey(path);
OUString newPath = path.copy(0, path.lastIndexOf('/'));
if (newPath.getLength() > 1)
deletePathIfPossible(xRootKey, newPath);
}
}
catch(InvalidRegistryException&)
{
}
}
// static deleteUserLink
void deleteUserLink(const Reference < XRegistryKey >& xRootKey,
const OUString& linkName,
std::u16string_view linkTarget,
const OUString& implName)
// throw ( InvalidRegistryException, RuntimeException )
{
bool bClean = false;
if (xRootKey->getKeyType(linkName) == RegistryKeyType_LINK)
{
OUString tmpTarget = xRootKey->getLinkTarget(linkName);
if (tmpTarget == linkTarget)
{
xRootKey->deleteLink(linkName);
}
}
Reference < XRegistryKey > xOldKey = xRootKey->openKey(
linkName + colon_old );
if (xOldKey.is())
{
if (xOldKey->getValueType() == RegistryValueType_ASCIILIST)
{
const Sequence<OUString> implEntries = xOldKey->getAsciiListValue();
sal_Int32 length = implEntries.getLength();
sal_Int32 equals = static_cast<sal_Int32>(std::count(implEntries.begin(), implEntries.end(), implName));
bool hasNoImplementations = false;
if (equals == length)
{
hasNoImplementations = true;
} else
{
OUString oldImpl;
if (length > equals + 1)
{
Sequence<OUString> implEntriesNew(length - equals - 1);
auto pNewArray = implEntriesNew.getArray();
sal_Int32 j = 0;
bool first = true;
for (sal_Int32 i = 0; i < length; i++)
{
if (implEntries[i] != implName)
{
if (first)
{
oldImpl = implEntries[i];
first = false;
} else
{
pNewArray[j++] = implEntries[i];
}
}
}
xOldKey->setAsciiListValue(implEntriesNew);
} else
{
oldImpl = implEntries[0];
OUString path(xOldKey->getKeyName());
xOldKey->closeKey();
xRootKey->deleteKey(path);
}
OUString oldTarget = searchLinkTargetForImpl(xRootKey, linkName, oldImpl);
if (!oldTarget.isEmpty())
{
xRootKey->createLink(linkName, oldTarget);
}
}
if (hasNoImplementations)
{
bClean = true;
OUString path(xOldKey->getKeyName());
xOldKey->closeKey();
xRootKey->deleteKey(path);
}
}
} else
{
bClean = true;
}
if (bClean)
{
OUString path = linkName.copy(0, linkName.lastIndexOf('/'));
deletePathIfPossible(xRootKey, path);
}
}
// static prepareUserKeys
void prepareUserKeys(const Reference < XSimpleRegistry >& xDest,
const Reference < XRegistryKey >& xUnoKey,
const Reference < XRegistryKey >& xKey,
const OUString& implName,
bool bRegister)
{
bool hasSubKeys = false;
Sequence<OUString> keyNames = xKey->getKeyNames();
OUString relativKey;
if (keyNames.hasElements())
relativKey = keyNames.getConstArray()[0].copy(xKey->getKeyName().getLength()+1);
if (keyNames.getLength() == 1 &&
xKey->getKeyType(relativKey) == RegistryKeyType_LINK)
{
hasSubKeys = true;
OUString linkTarget = xKey->getLinkTarget(relativKey);
OUString linkName(xKey->getKeyName().copy(xUnoKey->getKeyName().getLength()));
linkName += "/" + relativKey;
if (bRegister)
{
prepareUserLink(xDest, linkName, linkTarget, implName);
} else
{
deleteUserLink(xDest->getRootKey(), linkName, linkTarget, implName);
}
} else
{
const Sequence< Reference < XRegistryKey> > subKeys = xKey->openKeys();
if (subKeys.hasElements())
{
hasSubKeys = true;
for (const Reference < XRegistryKey > & rSubKey : subKeys)
{
prepareUserKeys(xDest, xUnoKey, rSubKey, implName, bRegister);
}
}
}
if (hasSubKeys)
return;
OUString keyName(xKey->getKeyName().copy(xUnoKey->getKeyName().getLength()));
Reference < XRegistryKey > xRootKey = xDest->getRootKey();
if (bRegister)
{
createUniqueSubEntry(xRootKey->createKey(keyName), implName);
}
else
{
Reference< XRegistryKey > rKey = xRootKey->openKey(keyName);
if( rKey.is() )
{
deleteSubEntry(rKey, implName);
xRootKey->deleteKey(keyName);
}
OUString path = keyName.copy(0, keyName.lastIndexOf('/'));
if( !path.isEmpty() )
{
deletePathIfPossible(xRootKey, path);
}
}
}
// static deleteAllImplementations
void deleteAllImplementations( const Reference < XSimpleRegistry >& xReg,
const Reference < XRegistryKey >& xSource,
std::u16string_view locationUrl,
std::vector<OUString> & implNames)
// throw (InvalidRegistryException, RuntimeException)
{
Sequence < Reference < XRegistryKey > > subKeys = xSource->openKeys();
if (subKeys.hasElements())
{
bool hasLocationUrl = false;
for (const Reference < XRegistryKey> & xImplKey : std::as_const(subKeys))
{
Reference < XRegistryKey > xKey = xImplKey->openKey(
slash_UNO_slash_LOCATION );
if (xKey.is() && (xKey->getValueType() == RegistryValueType_ASCII))
{
if (xKey->getAsciiValue() == locationUrl)
{
hasLocationUrl = true;
OUString implName(xImplKey->getKeyName().copy(1));
sal_Int32 firstDot = implName.indexOf('/');
if (firstDot >= 0)
implName = implName.copy(firstDot + 1);
implNames.push_back(implName);
deleteAllLinkReferences(xReg, xImplKey);
xKey = xImplKey->openKey( slash_UNO );
if (xKey.is())
{
const Sequence< Reference < XRegistryKey > > subKeys2 = xKey->openKeys();
for (const Reference < XRegistryKey > & rSubKey2 : subKeys2)
{
if (rSubKey2->getKeyName() != Concat2View(xImplKey->getKeyName() + slash_UNO_slash_SERVICES ) &&
rSubKey2->getKeyName() != Concat2View(xImplKey->getKeyName() + slash_UNO_slash_REGISTRY_LINKS ) &&
rSubKey2->getKeyName() != Concat2View(xImplKey->getKeyName() + slash_UNO_slash_ACTIVATOR ) &&
rSubKey2->getKeyName() != Concat2View(xImplKey->getKeyName() + slash_UNO_slash_SINGLETONS ) &&
rSubKey2->getKeyName() != Concat2View(xImplKey->getKeyName() + slash_UNO_slash_LOCATION) )
{
prepareUserKeys(xReg, xKey, rSubKey2, implName, false);
}
}
}
}
}
if (hasLocationUrl)
{
hasLocationUrl = false;
OUString path(xImplKey->getKeyName());
xImplKey->closeKey();
xReg->getRootKey()->deleteKey(path);
}
}
subKeys = xSource->openKeys();
if (!subKeys.hasElements())
{
OUString path(xSource->getKeyName());
xSource->closeKey();
xReg->getRootKey()->deleteKey(path);
}
} else
{
OUString path(xSource->getKeyName());
xSource->closeKey();
xReg->getRootKey()->deleteKey(path);
}
}
void delete_all_singleton_entries(
Reference < registry::XRegistryKey > const & xSingletons_section,
::std::vector< OUString > const & impl_names )
// throw (InvalidRegistryException, RuntimeException)
{
Sequence< Reference< registry::XRegistryKey > > singletons( xSingletons_section->openKeys() );
Reference< registry::XRegistryKey > const * subkeys = singletons.getConstArray();
for ( sal_Int32 nPos = singletons.getLength(); nPos--; )
{
Reference< registry::XRegistryKey > const & xSingleton = subkeys[ nPos ];
Reference< registry::XRegistryKey > xRegisteredImplNames(
xSingleton->openKey( "REGISTERED_BY" ) );
if (xRegisteredImplNames.is() && xRegisteredImplNames->isValid())
{
Sequence< OUString > registered_implnames;
try
{
registered_implnames = xRegisteredImplNames->getAsciiListValue();
}
catch (registry::InvalidValueException &)
{
}
auto aNonConstRange = asNonConstRange(registered_implnames);
sal_Int32 nOrigRegLength = registered_implnames.getLength();
sal_Int32 nNewLength = nOrigRegLength;
for ( sal_Int32 n = nOrigRegLength; n--; )
{
OUString const & registered_implname = registered_implnames[ n ];
for (auto const& impl_name : impl_names)
{
if (impl_name == registered_implname)
{
aNonConstRange[ n ] = registered_implnames[ nNewLength -1 ];
--nNewLength;
}
}
}
if (nNewLength != nOrigRegLength)
{
if (0 == nNewLength)
{
// remove whole entry
xRegisteredImplNames->closeKey();
xSingleton->deleteKey( "REGISTERED_BY" );
// registry key cannot provide its relative name, only absolute :(
OUString abs( xSingleton->getKeyName() );
xSingletons_section->deleteKey( abs.copy( abs.lastIndexOf( '/' ) +1 ) );
}
else
{
registered_implnames.realloc( nNewLength );
xRegisteredImplNames->setAsciiListValue( registered_implnames );
}
}
}
}
}
// static deleteAllServiceEntries
void deleteAllServiceEntries( const Reference < XSimpleRegistry >& xReg,
const Reference < XRegistryKey >& xSource,
const OUString& implName)
// throw ( InvalidRegistryException, RuntimeException )
{
Sequence< Reference < XRegistryKey > > subKeys = xSource->openKeys();
if (subKeys.hasElements())
{
bool hasNoImplementations = false;
for (const Reference < XRegistryKey > & xServiceKey : std::as_const(subKeys))
{
if (xServiceKey->getValueType() == RegistryValueType_ASCIILIST)
{
const Sequence<OUString> implEntries = xServiceKey->getAsciiListValue();
sal_Int32 length = implEntries.getLength();
sal_Int32 equals = static_cast<sal_Int32>(std::count(implEntries.begin(), implEntries.end(), implName));
if (equals == length)
{
hasNoImplementations = true;
} else
{
if (equals > 0)
{
Sequence<OUString> implEntriesNew(length-equals);
std::copy_if(implEntries.begin(), implEntries.end(), implEntriesNew.getArray(),
[&implName](const OUString& rEntry) { return rEntry != implName; });
xServiceKey->setAsciiListValue(implEntriesNew);
}
}
}
if (hasNoImplementations)
{
hasNoImplementations = false;
OUString path(xServiceKey->getKeyName());
xServiceKey->closeKey();
xReg->getRootKey()->deleteKey(path);
}
}
subKeys = xSource->openKeys();
if (!subKeys.hasElements())
{
OUString path(xSource->getKeyName());
xSource->closeKey();
xReg->getRootKey()->deleteKey(path);
}
} else
{
OUString path(xSource->getKeyName());
xSource->closeKey();
xReg->getRootKey()->deleteKey(path);
}
}
bool is_supported_service(
OUString const & service_name,
Reference< reflection::XServiceTypeDescription > const & xService_td )
{
if (xService_td->getName() == service_name)
return true;
const Sequence< Reference< reflection::XServiceTypeDescription > > seq(
xService_td->getMandatoryServices() );
return std::any_of(seq.begin(), seq.end(), [&service_name](const auto& rService) {
return is_supported_service( service_name, rService ); });
}
void insert_singletons(
Reference< registry::XSimpleRegistry > const & xDest,
Reference< registry::XRegistryKey > const & xImplKey,
Reference< XComponentContext > const & xContext )
// throw( registry::InvalidRegistryException, registry::CannotRegisterImplementationException, RuntimeException )
{
// singletons
Reference< registry::XRegistryKey > xKey( xImplKey->openKey( "UNO/SINGLETONS" ) );
if (!(xKey.is() && xKey->isValid()))
return;
OUString implname( xImplKey->getKeyName().copy( sizeof ("/IMPLEMENTATIONS/") -1 ) );
// singleton entries
Sequence< Reference< registry::XRegistryKey > > xSingletons_section( xKey->openKeys() );
Reference< registry::XRegistryKey > const * p = xSingletons_section.getConstArray();
for ( sal_Int32 nPos = xSingletons_section.getLength(); nPos--; )
{
Reference< registry::XRegistryKey > const & xSingleton = p[ nPos ];
OUString singleton_name(
xSingleton->getKeyName().copy(
implname.getLength() + sizeof ("/IMPLEMENTATIONS//UNO/SINGLETONS/") -1 ) );
OUString service_name( xSingleton->getStringValue() );
OUString keyname( "/SINGLETONS/" + singleton_name );
Reference< registry::XRegistryKey > xKey2( xDest->getRootKey()->openKey( keyname ) );
if (xKey2.is() && xKey2->isValid())
{
try
{
OUString existing_name( xKey2->getStringValue() );
if ( existing_name != service_name )
{
Reference< container::XHierarchicalNameAccess > xTDMgr;
OUString the_tdmgr =
"/singletons/com.sun.star.reflection.theTypeDescriptionManager";
xContext->getValueByName( the_tdmgr ) >>= xTDMgr;
if (! xTDMgr.is())
{
throw RuntimeException( "cannot get singleton " + the_tdmgr );
}
try
{
Reference< reflection::XServiceTypeDescription > xExistingService_td;
xTDMgr->getByHierarchicalName( existing_name ) >>= xExistingService_td;
if (! xExistingService_td.is())
{
throw RuntimeException( "cannot get service type description: " + existing_name );
}
// everything's fine if existing service entry supports the one
// to be registered
if (! is_supported_service( service_name, xExistingService_td ))
{
throw registry::CannotRegisterImplementationException(
"existing singleton service (" + singleton_name + "=" + existing_name + ") "
" does not support given one: " + service_name);
}
}
catch (const container::NoSuchElementException & exc)
{
css::uno::Any anyEx = cppu::getCaughtException();
throw css::lang::WrappedTargetRuntimeException(
"cannot get service type description: " + exc.Message,
nullptr, anyEx );
}
}
}
catch (registry::InvalidValueException &)
{
// repair
xKey2->setStringValue( service_name );
}
}
else
{
// insert singleton entry
xKey2 = xDest->getRootKey()->createKey( keyname );
xKey2->setStringValue( service_name );
}
Reference< registry::XRegistryKey > xRegisteredImplNames(
xKey2->openKey( "REGISTERED_BY" ) );
if (!xRegisteredImplNames.is() || !xRegisteredImplNames->isValid())
{
// create
xRegisteredImplNames = xKey2->createKey( "REGISTERED_BY" );
}
Sequence< OUString > implnames;
try
{
implnames = xRegisteredImplNames->getAsciiListValue();
}
catch (registry::InvalidValueException &)
{
}
// check implname is already in
if (comphelper::findValue(implnames, implname) == -1)
{
// append and write back
implnames.realloc( implnames.getLength() +1 );
implnames.getArray()[ implnames.getLength() -1 ] = implname;
xRegisteredImplNames->setAsciiListValue( implnames );
}
}
}
// static prepareRegistry
void prepareRegistry(
const Reference < XSimpleRegistry >& xDest,
const Reference < XRegistryKey >& xSource,
const OUString& implementationLoaderUrl,
const OUString& locationUrl,
Reference< XComponentContext > const & xContext )
// throw ( InvalidRegistryException, CannotRegisterImplementationException, RuntimeException )
{
const Sequence< Reference < XRegistryKey > > subKeys = xSource->openKeys();
if (!subKeys.hasElements())
{
throw InvalidRegistryException(
"prepareRegistry(): source registry is empty" );
}
for (const Reference < XRegistryKey >& xImplKey : subKeys)
{
Reference < XRegistryKey > xKey = xImplKey->openKey(
slash_UNO_slash_SERVICES );
if (xKey.is())
{
// update entries in SERVICES section
const Sequence< Reference < XRegistryKey > > serviceKeys = xKey->openKeys();
OUString implName = xImplKey->getKeyName().copy(1);
sal_Int32 firstDot = implName.indexOf('/');
if (firstDot >= 0)
implName = implName.copy(firstDot + 1);
sal_Int32 offset = xKey->getKeyName().getLength() + 1;
for (const Reference < XRegistryKey >& rServiceKey : serviceKeys)
{
OUString serviceName = rServiceKey->getKeyName().copy(offset);
createUniqueSubEntry(
xDest->getRootKey()->createKey(
slash_SERVICES + serviceName ),
implName);
}
xKey = xImplKey->openKey( slash_UNO );
if (xKey.is())
{
const Sequence< Reference < XRegistryKey > > subKeys2 = xKey->openKeys();
for (const Reference < XRegistryKey >& rSubKey2 : subKeys2)
{
if (rSubKey2->getKeyName() != Concat2View(xImplKey->getKeyName() + slash_UNO_slash_SERVICES) &&
rSubKey2->getKeyName() != Concat2View(xImplKey->getKeyName() + slash_UNO_slash_REGISTRY_LINKS ) &&
rSubKey2->getKeyName() != Concat2View(xImplKey->getKeyName() + slash_UNO_slash_SINGLETONS ))
{
prepareUserKeys(xDest, xKey, rSubKey2, implName, true);
}
}
}
}
// update LOCATION entry
xKey = xImplKey->createKey( slash_UNO_slash_LOCATION );
if (xKey.is())
{
xKey->setAsciiValue(locationUrl);
}
// update ACTIVATOR entry
xKey = xImplKey->createKey( slash_UNO_slash_ACTIVATOR );
if (xKey.is())
{
xKey->setAsciiValue(implementationLoaderUrl);
}
xKey = xImplKey->openKey( slash_UNO_slash_SERVICES );
if (xKey.is() && (xKey->getValueType() == RegistryValueType_ASCIILIST))
{
// update link entries in REGISTRY_LINKS section
const Sequence<OUString> linkNames = xKey->getAsciiListValue();
for (const OUString& rLinkName : linkNames)
{
prepareLink(xDest, xImplKey, rLinkName);
}
}
insert_singletons( xDest, xImplKey, xContext );
}
}
void findImplementations( const Reference < XRegistryKey > & xSource,
std::vector<OUString>& implNames)
{
bool isImplKey = false;
try
{
Reference < XRegistryKey > xKey = xSource->openKey(
slash_UNO_slash_SERVICES );
if (xKey.is() && xKey->getKeyNames().hasElements())
{
isImplKey = true;
OUString implName = xSource->getKeyName().copy(1).replace('/', '.');
sal_Int32 firstDot = implName.indexOf('.');
if (firstDot >= 0)
implName = implName.copy(firstDot + 1);
implNames.push_back(implName);
}
}
catch(InvalidRegistryException&)
{
}
if (isImplKey) return;
try
{
const Sequence< Reference < XRegistryKey > > subKeys = xSource->openKeys();
for (const Reference < XRegistryKey >& rSubKey : subKeys)
{
findImplementations(rSubKey, implNames);
}
}
catch(InvalidRegistryException&)
{
}
}
class ImplementationRegistration
: public WeakImplHelper< XImplementationRegistration2, XServiceInfo, XInitialization >
{
public:
explicit ImplementationRegistration( const Reference < XComponentContext > & rSMgr );
// XServiceInfo
OUString SAL_CALL getImplementationName() override;
sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
// XImplementationRegistration
virtual void SAL_CALL registerImplementation(
const OUString& implementationLoader,
const OUString& location,
const Reference < XSimpleRegistry > & xReg) override;
virtual sal_Bool SAL_CALL revokeImplementation(
const OUString& location,
const Reference < XSimpleRegistry >& xReg) override;
virtual Sequence< OUString > SAL_CALL getImplementations(
const OUString& implementationLoader,
const OUString& location) override;
virtual Sequence< OUString > SAL_CALL checkInstantiation(
const OUString& implementationName) override;
// XImplementationRegistration2
virtual void SAL_CALL registerImplementationWithLocation(
const OUString& implementationLoader,
const OUString& location,
const OUString& registeredLocation,
const Reference < XSimpleRegistry > & xReg) override;
// XInitialization
virtual void SAL_CALL initialize(
const css::uno::Sequence< css::uno::Any >& aArguments ) override;
private: // helper methods
void prepareRegister(
const OUString& implementationLoader,
const OUString& location,
const OUString& registeredLocation,
const Reference < XSimpleRegistry > & xReg);
// throw( CannotRegisterImplementationException, RuntimeException )
static void doRegister( const Reference < XMultiComponentFactory >& xSMgr,
const Reference < XComponentContext > &xCtx,
const Reference < XImplementationLoader >& xAct,
const Reference < XSimpleRegistry >& xDest,
const OUString& implementationLoaderUrl,
const OUString& locationUrl,
const OUString& registeredLocationUrl);
/* throw ( InvalidRegistryException,
MergeConflictException,
CannotRegisterImplementationException, RuntimeException ) */
static void doRevoke( const Reference < XSimpleRegistry >& xDest,
std::u16string_view locationUrl );
// throw( InvalidRegistryException, RuntimeException )
Reference< XSimpleRegistry > getRegistryFromServiceManager() const;
static Reference< XSimpleRegistry > createTemporarySimpleRegistry(
const Reference< XMultiComponentFactory > &rSMgr,
const Reference < XComponentContext > & rCtx );
private: // members
Reference < XMultiComponentFactory > m_xSMgr;
Reference < XComponentContext > m_xCtx;
};
// ImplementationRegistration()
ImplementationRegistration::ImplementationRegistration( const Reference < XComponentContext > & xCtx )
: m_xSMgr( xCtx->getServiceManager() )
, m_xCtx( xCtx )
{}
// XServiceInfo
OUString ImplementationRegistration::getImplementationName()
{
return "com.sun.star.comp.stoc.ImplementationRegistration";
}
// XServiceInfo
sal_Bool ImplementationRegistration::supportsService(const OUString& ServiceName)
{
return cppu::supportsService(this, ServiceName);
}
// XServiceInfo
Sequence< OUString > ImplementationRegistration::getSupportedServiceNames()
{
return { "com.sun.star.registry.ImplementationRegistration" };
}
Reference< XSimpleRegistry > ImplementationRegistration::getRegistryFromServiceManager() const
{
Reference < XPropertySet > xPropSet( m_xSMgr, UNO_QUERY );
Reference < XSimpleRegistry > xRegistry;
if( xPropSet.is() ) {
try { // the implementation does not support XIntrospectionAccess !
Any aAny = xPropSet->getPropertyValue( Registry );
if( aAny.getValueType().getTypeClass() == TypeClass_INTERFACE ) {
aAny >>= xRegistry;
}
}
catch( UnknownPropertyException & ) {
// empty reference is error signal !
}
}
return xRegistry;
}
// XInitialization
void ImplementationRegistration::initialize(
const css::uno::Sequence< css::uno::Any >& aArgs )
{
if( aArgs.getLength() != 4 ) {
throw IllegalArgumentException(
"ImplementationRegistration::initialize() expects 4 parameters, got " + OUString::number( aArgs.getLength() ),
Reference<XInterface > (), 0 );
}
Reference< XImplementationLoader > rLoader;
OUString loaderServiceName;
OUString locationUrl;
Reference< XSimpleRegistry > rReg;
// 1st argument : An instance of an implementation loader
if( aArgs.getConstArray()[0].getValueType().getTypeClass() == TypeClass_INTERFACE ) {
aArgs.getConstArray()[0] >>= rLoader;
}
if( !rLoader.is()) {
throw IllegalArgumentException(
"ImplementationRegistration::initialize() invalid first parameter,"
"expected " + cppu::UnoType<decltype(rLoader)>::get().getTypeName() +
", got " + aArgs.getConstArray()[0].getValueTypeName(),
Reference< XInterface > (), 0 );
}
// 2nd argument : The service name of the loader. This name is written into the registry
if( aArgs.getConstArray()[1].getValueType().getTypeClass() == TypeClass_STRING ) {
aArgs.getConstArray()[1] >>= loaderServiceName;
}
if( loaderServiceName.isEmpty() ) {
throw IllegalArgumentException(
"ImplementationRegistration::initialize() invalid second parameter,"
"expected string, got " + aArgs.getConstArray()[1].getValueTypeName(),
Reference< XInterface > (), 0 );
}
// 3rd argument : The file name of the dll, that contains the loader
if( aArgs.getConstArray()[2].getValueType().getTypeClass() == TypeClass_STRING ) {
aArgs.getConstArray()[2] >>= locationUrl;
}
if( locationUrl.isEmpty() ) {
throw IllegalArgumentException(
"ImplementationRegistration::initialize() invalid third parameter,"
"expected string, got " + aArgs.getConstArray()[2].getValueTypeName(),
Reference< XInterface > (), 0 );
}
// 4th argument : The registry, the service should be written to
if( aArgs.getConstArray()[3].getValueType().getTypeClass() == TypeClass_INTERFACE ) {
aArgs.getConstArray()[3] >>= rReg;
}
if( !rReg.is() ) {
rReg = getRegistryFromServiceManager();
if( !rReg.is() ) {
throw IllegalArgumentException(
"ImplementationRegistration::initialize() invalid fourth parameter,"
"expected " + cppu::UnoType<decltype(rReg)>::get().getTypeName() +
", got " + aArgs.getConstArray()[3].getValueTypeName(),
Reference< XInterface > (), 0 );
}
}
doRegister(m_xSMgr, m_xCtx, rLoader , rReg, loaderServiceName , locationUrl, locationUrl);
}
// virtual function registerImplementationWithLocation of XImplementationRegistration2
void ImplementationRegistration::registerImplementationWithLocation(
const OUString& implementationLoaderUrl,
const OUString& locationUrl,
const OUString& registeredLocationUrl,
const Reference < XSimpleRegistry > & xReg)
{
prepareRegister(
implementationLoaderUrl, locationUrl, registeredLocationUrl, xReg);
}
// helper function
void ImplementationRegistration::prepareRegister(
const OUString& implementationLoaderUrl,
const OUString& locationUrl,
const OUString& registeredLocationUrl,
const Reference < XSimpleRegistry > & xReg)
// throw( CannotRegisterImplementationException, RuntimeException )
{
OUString activatorName;
if (!implementationLoaderUrl.isEmpty())
{
activatorName = implementationLoaderUrl.getToken(0, ':');
} else
{
// check locationUrl to find out what kind of loader is needed
// set implLoaderUrl
}
if( !m_xSMgr.is() ) {
throw CannotRegisterImplementationException(
"ImplementationRegistration::registerImplementation() "
"no componentcontext available to instantiate loader" );
}
try
{
Reference < XImplementationLoader > xAct(
m_xSMgr->createInstanceWithContext(activatorName, m_xCtx) , UNO_QUERY );
if (!xAct.is())
{
throw CannotRegisterImplementationException(
"ImplementationRegistration::registerImplementation() - The service "
+ activatorName + " cannot be instantiated" );
}
Reference < XSimpleRegistry > xRegistry;
if (xReg.is())
{
// registry supplied by user
xRegistry = xReg;
}
else
{
xRegistry = getRegistryFromServiceManager();
}
if ( xRegistry.is())
{
doRegister(m_xSMgr, m_xCtx, xAct, xRegistry, implementationLoaderUrl,
locationUrl, registeredLocationUrl);
}
}
catch( CannotRegisterImplementationException & )
{
throw;
}
catch( const InvalidRegistryException & e )
{
throw CannotRegisterImplementationException(
"ImplementationRegistration::registerImplementation() "
"InvalidRegistryException during registration (" + e.Message + ")" );
}
catch( const MergeConflictException & e )
{
throw CannotRegisterImplementationException(
"ImplementationRegistration::registerImplementation() "
"MergeConflictException during registration (" + e.Message + ")" );
}
}
// virtual function registerImplementation of XImplementationRegistration
void ImplementationRegistration::registerImplementation(
const OUString& implementationLoaderUrl,
const OUString& locationUrl,
const Reference < XSimpleRegistry > & xReg)
{
prepareRegister(implementationLoaderUrl, locationUrl, locationUrl, xReg);
}
// virtual function revokeImplementation of XImplementationRegistration
sal_Bool ImplementationRegistration::revokeImplementation(const OUString& location,
const Reference < XSimpleRegistry >& xReg)
{
bool ret = false;
Reference < XSimpleRegistry > xRegistry;
if (xReg.is()) {
xRegistry = xReg;
}
else {
Reference < XPropertySet > xPropSet( m_xSMgr, UNO_QUERY );
if( xPropSet.is() ) {
try {
Any aAny = xPropSet->getPropertyValue( Registry );
if( aAny.getValueType().getTypeClass() == TypeClass_INTERFACE )
{
aAny >>= xRegistry;
}
}
catch ( UnknownPropertyException & ) {
}
}
}
if (xRegistry.is())
{
try
{
doRevoke(xRegistry, location);
ret = true;
}
catch( InvalidRegistryException & )
{
// no way to transport the error, as no exception is specified and a runtime
// exception is not appropriate.
OSL_FAIL( "InvalidRegistryException during revokeImplementation" );
}
}
return ret;
}
// virtual function getImplementations of XImplementationRegistration
Sequence< OUString > ImplementationRegistration::getImplementations(
const OUString & implementationLoaderUrl,
const OUString & locationUrl)
{
OUString activatorName;
if (!implementationLoaderUrl.isEmpty())
{
activatorName = implementationLoaderUrl.getToken(0, ':');
} else
{
// check locationUrl to find out what kind of loader is needed
// set implementationLoaderUrl
}
if( m_xSMgr.is() ) {
Reference < XImplementationLoader > xAct(
m_xSMgr->createInstanceWithContext( activatorName, m_xCtx ), UNO_QUERY );
if (xAct.is())
{
Reference < XSimpleRegistry > xReg =
createTemporarySimpleRegistry( m_xSMgr, m_xCtx);
if (xReg.is())
{
try
{
xReg->open(OUString() /* in mem */, false, true);
Reference < XRegistryKey > xImpl;
{ // only necessary for deleting the temporary variable of rootkey
xImpl = xReg->getRootKey()->createKey( slash_IMPLEMENTATIONS );
}
if (xAct->writeRegistryInfo(xImpl, implementationLoaderUrl, locationUrl))
{
std::vector<OUString> implNames;
findImplementations(xImpl, implNames);
if (!implNames.empty())
{
Sequence<OUString> seqImpl(comphelper::containerToSequence(implNames));
xImpl->closeKey();
return seqImpl;
}
}
xImpl->closeKey();
}
catch(MergeConflictException&)
{
}
catch(InvalidRegistryException&)
{
}
}
}
}
return Sequence<OUString>();
}
// virtual function checkInstantiation of XImplementationRegistration
Sequence< OUString > ImplementationRegistration::checkInstantiation(const OUString&)
{
OSL_FAIL( "ImplementationRegistration::checkInstantiation not implemented" );
return Sequence<OUString>();
}
// helper function doRegistration
void ImplementationRegistration::doRevoke(
const Reference < XSimpleRegistry >& xDest,
std::u16string_view locationUrl)
// throw ( InvalidRegistryException, RuntimeException )
{
if( !xDest.is() )
return;
std::vector<OUString> aNames;
Reference < XRegistryKey > xRootKey( xDest->getRootKey() );
Reference < XRegistryKey > xKey =
xRootKey->openKey( slash_IMPLEMENTATIONS );
if (xKey.is() && xKey->isValid())
{
deleteAllImplementations(xDest, xKey, locationUrl, aNames);
}
xKey = xRootKey->openKey( slash_SERVICES );
if (xKey.is())
{
for (auto const& name : aNames)
{
deleteAllServiceEntries(xDest, xKey, name);
}
}
xKey = xRootKey->openKey( "/SINGLETONS" );
if (xKey.is() && xKey->isValid())
{
delete_all_singleton_entries( xKey, aNames );
}
if (xRootKey.is())
xRootKey->closeKey();
if (xKey.is() && xKey->isValid() )
xKey->closeKey();
}
void ImplementationRegistration::doRegister(
const Reference< XMultiComponentFactory > & xSMgr,
const Reference< XComponentContext > &xCtx,
const Reference < XImplementationLoader > & xAct,
const Reference < XSimpleRegistry >& xDest,
const OUString& implementationLoaderUrl,
const OUString& locationUrl,
const OUString& registeredLocationUrl)
/* throw ( InvalidRegistryException,
MergeConflictException,
CannotRegisterImplementationException, RuntimeException ) */
{
Reference < XSimpleRegistry > xReg =
createTemporarySimpleRegistry( xSMgr, xCtx );
Reference < XRegistryKey > xSourceKey;
if (!(xAct.is() && xReg.is() && xDest.is()))
return;
try
{
xReg->open(OUString() /* in mem */, false, true);
{ // only necessary for deleting the temporary variable of rootkey
xSourceKey = xReg->getRootKey()->createKey( slash_IMPLEMENTATIONS );
}
bool bSuccess =
xAct->writeRegistryInfo(xSourceKey, implementationLoaderUrl, locationUrl);
if ( !bSuccess )
{
throw CannotRegisterImplementationException(
"ImplementationRegistration::doRegistration() component registration signaled failure" );
}
prepareRegistry(xDest, xSourceKey, implementationLoaderUrl, registeredLocationUrl, xCtx);
xSourceKey->closeKey();
xSourceKey = xReg->getRootKey();
Reference < XRegistryKey > xDestKey = xDest->getRootKey();
stoc_impreg::mergeKeys( xDestKey, xSourceKey );
xDestKey->closeKey();
xSourceKey->closeKey();
// Cleanup Source registry.
if ( xSourceKey->isValid() )
xSourceKey->closeKey();
}
catch(CannotRegisterImplementationException&)
{
if ( xSourceKey->isValid() )
xSourceKey->closeKey();
// and throw again
throw;
}
}
Reference< XSimpleRegistry > ImplementationRegistration::createTemporarySimpleRegistry(
const Reference< XMultiComponentFactory > &rSMgr,
const Reference < XComponentContext > & xCtx)
{
Reference < XSimpleRegistry > xReg(
rSMgr->createInstanceWithContext(
com_sun_star_registry_SimpleRegistry, xCtx ),
UNO_QUERY);
OSL_ASSERT( xReg.is() );
return xReg;
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_comp_stoc_ImplementationRegistration_get_implementation(
css::uno::XComponentContext *context,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new ImplementationRegistration(context));
}
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