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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 .
*/
#ifdef DIAG
#define CONTEXT_DIAG
#endif
#if OSL_DEBUG_LEVEL > 0
#include <stdio.h>
#endif
#include <vector>
#include <boost/unordered_map.hpp>
#ifdef CONTEXT_DIAG
#include <map>
#endif
#include <osl/diagnose.h>
#include <osl/mutex.hxx>
#include <rtl/ustrbuf.hxx>
#include <uno/mapping.hxx>
#include <cppuhelper/implbase1.hxx>
#include <cppuhelper/compbase2.hxx>
#include <cppuhelper/component_context.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/lang/XSingleComponentFactory.hpp>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include "com/sun/star/uno/DeploymentException.hpp"
#include "com/sun/star/uno/RuntimeException.hpp"
#include <memory>
#define SMGR_SINGLETON "/singletons/com.sun.star.lang.theServiceManager"
#define TDMGR_SINGLETON "/singletons/com.sun.star.reflection.theTypeDescriptionManager"
#define AC_SINGLETON "/singletons/com.sun.star.security.theAccessController"
#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
using namespace ::osl;
using namespace ::rtl;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star;
namespace cppu
{
#ifdef CONTEXT_DIAG
//--------------------------------------------------------------------------------------------------
static OUString val2str( void const * pVal, typelib_TypeDescriptionReference * pTypeRef )
{
OSL_ASSERT( pVal );
if (pTypeRef->eTypeClass == typelib_TypeClass_VOID)
return OUSTR("void");
OUStringBuffer buf( 64 );
buf.append( (sal_Unicode)'(' );
buf.append( pTypeRef->pTypeName );
buf.append( (sal_Unicode)')' );
switch (pTypeRef->eTypeClass)
{
case typelib_TypeClass_INTERFACE:
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("0x") );
buf.append( (sal_Int64)*(void **)pVal, 16 );
break;
case typelib_TypeClass_STRUCT:
case typelib_TypeClass_EXCEPTION:
{
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("{ ") );
typelib_TypeDescription * pTypeDescr = 0;
::typelib_typedescriptionreference_getDescription( &pTypeDescr, pTypeRef );
OSL_ASSERT( pTypeDescr );
if (! pTypeDescr->bComplete)
::typelib_typedescription_complete( &pTypeDescr );
typelib_CompoundTypeDescription * pCompType = (typelib_CompoundTypeDescription *)pTypeDescr;
sal_Int32 nDescr = pCompType->nMembers;
if (pCompType->pBaseTypeDescription)
{
buf.append( val2str( pVal, ((typelib_TypeDescription *)pCompType->pBaseTypeDescription)->pWeakRef ) );
if (nDescr)
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(", ") );
}
typelib_TypeDescriptionReference ** ppTypeRefs = pCompType->ppTypeRefs;
sal_Int32 * pMemberOffsets = pCompType->pMemberOffsets;
rtl_uString ** ppMemberNames = pCompType->ppMemberNames;
for ( sal_Int32 nPos = 0; nPos < nDescr; ++nPos )
{
buf.append( ppMemberNames[ nPos ] );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(" = ") );
typelib_TypeDescription * pMemberType = 0;
TYPELIB_DANGER_GET( &pMemberType, ppTypeRefs[ nPos ] );
buf.append( val2str( (char *)pVal + pMemberOffsets[ nPos ], pMemberType->pWeakRef ) );
TYPELIB_DANGER_RELEASE( pMemberType );
if (nPos < (nDescr -1))
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(", ") );
}
::typelib_typedescription_release( pTypeDescr );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(" }") );
break;
}
case typelib_TypeClass_SEQUENCE:
{
typelib_TypeDescription * pTypeDescr = 0;
TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
uno_Sequence * pSequence = *(uno_Sequence **)pVal;
typelib_TypeDescription * pElementTypeDescr = 0;
TYPELIB_DANGER_GET( &pElementTypeDescr, ((typelib_IndirectTypeDescription *)pTypeDescr)->pType );
sal_Int32 nElementSize = pElementTypeDescr->nSize;
sal_Int32 nElements = pSequence->nElements;
if (nElements)
{
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("{ ") );
char * pElements = pSequence->elements;
for ( sal_Int32 nPos = 0; nPos < nElements; ++nPos )
{
buf.append( val2str( pElements + (nElementSize * nPos), pElementTypeDescr->pWeakRef ) );
if (nPos < (nElements -1))
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(", ") );
}
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(" }") );
}
else
{
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("{}") );
}
TYPELIB_DANGER_RELEASE( pElementTypeDescr );
TYPELIB_DANGER_RELEASE( pTypeDescr );
break;
}
case typelib_TypeClass_ANY:
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("{ ") );
buf.append( val2str( ((uno_Any *)pVal)->pData,
((uno_Any *)pVal)->pType ) );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(" }") );
break;
case typelib_TypeClass_TYPE:
buf.append( (*(typelib_TypeDescriptionReference **)pVal)->pTypeName );
break;
case typelib_TypeClass_STRING:
buf.append( (sal_Unicode)'\"' );
buf.append( *(rtl_uString **)pVal );
buf.append( (sal_Unicode)'\"' );
break;
case typelib_TypeClass_ENUM:
{
typelib_TypeDescription * pTypeDescr = 0;
::typelib_typedescriptionreference_getDescription( &pTypeDescr, pTypeRef );
OSL_ASSERT( pTypeDescr );
if (! pTypeDescr->bComplete)
::typelib_typedescription_complete( &pTypeDescr );
sal_Int32 * pValues = ((typelib_EnumTypeDescription *)pTypeDescr)->pEnumValues;
sal_Int32 nPos = ((typelib_EnumTypeDescription *)pTypeDescr)->nEnumValues;
while (nPos--)
{
if (pValues[ nPos ] == *(sal_Int32 *)pVal)
break;
}
if (nPos >= 0)
buf.append( ((typelib_EnumTypeDescription *)pTypeDescr)->ppEnumNames[ nPos ] );
else
buf.append( (sal_Unicode)'?' );
::typelib_typedescription_release( pTypeDescr );
break;
}
case typelib_TypeClass_BOOLEAN:
if (*(sal_Bool *)pVal)
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("true") );
else
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("false") );
break;
case typelib_TypeClass_CHAR:
buf.append( (sal_Unicode)'\'' );
buf.append( *(sal_Unicode *)pVal );
buf.append( (sal_Unicode)'\'' );
break;
case typelib_TypeClass_FLOAT:
buf.append( *(float *)pVal );
break;
case typelib_TypeClass_DOUBLE:
buf.append( *(double *)pVal );
break;
case typelib_TypeClass_BYTE:
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("0x") );
buf.append( (sal_Int32)*(sal_Int8 *)pVal, 16 );
break;
case typelib_TypeClass_SHORT:
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("0x") );
buf.append( (sal_Int32)*(sal_Int16 *)pVal, 16 );
break;
case typelib_TypeClass_UNSIGNED_SHORT:
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("0x") );
buf.append( (sal_Int32)*(sal_uInt16 *)pVal, 16 );
break;
case typelib_TypeClass_LONG:
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("0x") );
buf.append( *(sal_Int32 *)pVal, 16 );
break;
case typelib_TypeClass_UNSIGNED_LONG:
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("0x") );
buf.append( (sal_Int64)*(sal_uInt32 *)pVal, 16 );
break;
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("0x") );
#if defined(__GNUC__) && defined(SPARC)
// I guess this really should check if there are strict alignment
// requirements, not just "GCC on SPARC".
{
sal_Int64 aVal;
*(sal_Int32 *)&aVal = *(sal_Int32 *)pVal;
*((sal_Int32 *)&aVal +1)= *((sal_Int32 *)pVal +1);
buf.append( aVal, 16 );
}
#else
buf.append( *(sal_Int64 *)pVal, 16 );
#endif
break;
default:
buf.append( (sal_Unicode)'?' );
}
return buf.makeStringAndClear();
}
//--------------------------------------------------------------------------------------------------
static void dumpEntry( OUString const & key, Any const & value )
{
OUString val( val2str( value.getValue(), value.getValueTypeRef() ) );
OString key_str( OUStringToOString( key, RTL_TEXTENCODING_ASCII_US ) );
OString val_str( OUStringToOString( val, RTL_TEXTENCODING_ASCII_US ) );
::fprintf( stderr, "| %s = %s\n", key_str.getStr(), val_str.getStr() );
}
#endif
//--------------------------------------------------------------------------------------------------
static inline void try_dispose( Reference< XInterface > const & xInstance )
SAL_THROW( (RuntimeException) )
{
Reference< lang::XComponent > xComp( xInstance, UNO_QUERY );
if (xComp.is())
{
xComp->dispose();
}
}
//--------------------------------------------------------------------------------------------------
static inline void try_dispose( Reference< lang::XComponent > const & xComp )
SAL_THROW( (RuntimeException) )
{
if (xComp.is())
{
xComp->dispose();
}
}
//==================================================================================================
class DisposingForwarder
: public WeakImplHelper1< lang::XEventListener >
{
Reference< lang::XComponent > m_xTarget;
inline DisposingForwarder( Reference< lang::XComponent > const & xTarget )
SAL_THROW(())
: m_xTarget( xTarget )
{ OSL_ASSERT( m_xTarget.is() ); }
public:
// listens at source for disposing, then disposes target
static inline void listen(
Reference< lang::XComponent > const & xSource,
Reference< lang::XComponent > const & xTarget )
SAL_THROW( (RuntimeException) );
virtual void SAL_CALL disposing( lang::EventObject const & rSource )
throw (RuntimeException);
};
//__________________________________________________________________________________________________
inline void DisposingForwarder::listen(
Reference< lang::XComponent > const & xSource,
Reference< lang::XComponent > const & xTarget )
SAL_THROW( (RuntimeException) )
{
if (xSource.is())
{
xSource->addEventListener( new DisposingForwarder( xTarget ) );
}
}
//__________________________________________________________________________________________________
void DisposingForwarder::disposing( lang::EventObject const & )
throw (RuntimeException)
{
m_xTarget->dispose();
m_xTarget.clear();
}
//==================================================================================================
struct MutexHolder
{
protected:
Mutex m_mutex;
};
//==================================================================================================
class ComponentContext
: private MutexHolder
, public WeakComponentImplHelper2< XComponentContext,
container::XNameContainer >
{
protected:
Reference< XComponentContext > m_xDelegate;
struct ContextEntry
{
Any value;
bool lateInit;
inline ContextEntry( Any const & value_, bool lateInit_ )
: value( value_ )
, lateInit( lateInit_ )
{}
};
typedef ::boost::unordered_map< OUString, ContextEntry * , OUStringHash > t_map;
t_map m_map;
Reference< lang::XMultiComponentFactory > m_xSMgr;
protected:
Any lookupMap( OUString const & rName )
SAL_THROW( (RuntimeException) );
virtual void SAL_CALL disposing();
public:
ComponentContext(
ContextEntry_Init const * pEntries, sal_Int32 nEntries,
Reference< XComponentContext > const & xDelegate );
virtual ~ComponentContext()
SAL_THROW(());
// XComponentContext
virtual Any SAL_CALL getValueByName( OUString const & rName )
throw (RuntimeException);
virtual Reference<lang::XMultiComponentFactory> SAL_CALL getServiceManager()
throw (RuntimeException);
// XNameContainer
virtual void SAL_CALL insertByName(
OUString const & name, Any const & element )
throw (lang::IllegalArgumentException, container::ElementExistException,
lang::WrappedTargetException, RuntimeException);
virtual void SAL_CALL removeByName( OUString const & name )
throw (container::NoSuchElementException,
lang::WrappedTargetException, RuntimeException);
// XNameReplace
virtual void SAL_CALL replaceByName(
OUString const & name, Any const & element )
throw (lang::IllegalArgumentException,container::NoSuchElementException,
lang::WrappedTargetException, RuntimeException);
// XNameAccess
virtual Any SAL_CALL getByName( OUString const & name )
throw (container::NoSuchElementException,
lang::WrappedTargetException, RuntimeException);
virtual Sequence<OUString> SAL_CALL getElementNames()
throw (RuntimeException);
virtual sal_Bool SAL_CALL hasByName( OUString const & name )
throw (RuntimeException);
// XElementAccess
virtual Type SAL_CALL getElementType() throw (RuntimeException);
virtual sal_Bool SAL_CALL hasElements() throw (RuntimeException);
};
// XNameContainer
//______________________________________________________________________________
void ComponentContext::insertByName(
OUString const & name, Any const & element )
throw (lang::IllegalArgumentException, container::ElementExistException,
lang::WrappedTargetException, RuntimeException)
{
t_map::mapped_type entry(
new ContextEntry(
element,
/* lateInit_: */
name.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("/singletons/") ) &&
!element.hasValue() ) );
MutexGuard guard( m_mutex );
::std::pair<t_map::iterator, bool> insertion( m_map.insert(
t_map::value_type( name, entry ) ) );
if (! insertion.second)
throw container::ElementExistException(
OUSTR("element already exists: ") + name,
static_cast<OWeakObject *>(this) );
}
//______________________________________________________________________________
void ComponentContext::removeByName( OUString const & name )
throw (container::NoSuchElementException,
lang::WrappedTargetException, RuntimeException)
{
MutexGuard guard( m_mutex );
t_map::iterator iFind( m_map.find( name ) );
if (iFind == m_map.end())
throw container::NoSuchElementException(
OUSTR("no such element: ") + name,
static_cast<OWeakObject *>(this) );
delete iFind->second;
m_map.erase(iFind);
}
// XNameReplace
//______________________________________________________________________________
void ComponentContext::replaceByName(
OUString const & name, Any const & element )
throw (lang::IllegalArgumentException,container::NoSuchElementException,
lang::WrappedTargetException, RuntimeException)
{
MutexGuard guard( m_mutex );
t_map::const_iterator const iFind( m_map.find( name ) );
if (iFind == m_map.end())
throw container::NoSuchElementException(
OUSTR("no such element: ") + name,
static_cast<OWeakObject *>(this) );
if (name.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("/singletons/") ) &&
!element.hasValue())
{
iFind->second->value.clear();
iFind->second->lateInit = true;
}
else
{
iFind->second->value = element;
iFind->second->lateInit = false;
}
}
// XNameAccess
//______________________________________________________________________________
Any ComponentContext::getByName( OUString const & name )
throw (container::NoSuchElementException,
lang::WrappedTargetException, RuntimeException)
{
return getValueByName( name );
}
//______________________________________________________________________________
Sequence<OUString> ComponentContext::getElementNames()
throw (RuntimeException)
{
MutexGuard guard( m_mutex );
Sequence<OUString> ret( m_map.size() );
OUString * pret = ret.getArray();
sal_Int32 pos = 0;
t_map::const_iterator iPos( m_map.begin() );
t_map::const_iterator const iEnd( m_map.end() );
for ( ; iPos != iEnd; ++iPos )
pret[pos++] = iPos->first;
return ret;
}
//______________________________________________________________________________
sal_Bool ComponentContext::hasByName( OUString const & name )
throw (RuntimeException)
{
MutexGuard guard( m_mutex );
return m_map.find( name ) != m_map.end();
}
// XElementAccess
//______________________________________________________________________________
Type ComponentContext::getElementType() throw (RuntimeException)
{
return ::getVoidCppuType();
}
//______________________________________________________________________________
sal_Bool ComponentContext::hasElements() throw (RuntimeException)
{
MutexGuard guard( m_mutex );
return ! m_map.empty();
}
//__________________________________________________________________________________________________
Any ComponentContext::lookupMap( OUString const & rName )
SAL_THROW( (RuntimeException) )
{
#ifdef CONTEXT_DIAG
if ( rName == "dump_maps" )
{
::fprintf( stderr, ">>> dumping out ComponentContext %p m_map:\n", this );
typedef ::std::map< OUString, ContextEntry * > t_sorted; // sorted map
t_sorted sorted;
for ( t_map::const_iterator iPos( m_map.begin() ); iPos != m_map.end(); ++iPos )
{
sorted[ iPos->first ] = iPos->second;
}
{
for ( t_sorted::const_iterator iPos( sorted.begin() ); iPos != sorted.end(); ++iPos )
{
dumpEntry( iPos->first, iPos->second->value );
}
}
return Any();
}
#endif
ResettableMutexGuard guard( m_mutex );
t_map::const_iterator iFind( m_map.find( rName ) );
if (iFind == m_map.end())
return Any();
t_map::mapped_type pEntry = iFind->second;
if (! pEntry->lateInit)
return pEntry->value;
// late init singleton entry
Reference< XInterface > xInstance;
guard.clear();
try
{
Any usesService( getValueByName( rName + OUSTR("/service") ) );
Any args_( getValueByName( rName + OUSTR("/arguments") ) );
Sequence<Any> args;
if (args_.hasValue() && !(args_ >>= args))
{
args.realloc( 1 );
args[ 0 ] = args_;
}
Reference< lang::XSingleComponentFactory > xFac;
if (usesService >>= xFac) // try via factory
{
xInstance = args.getLength()
? xFac->createInstanceWithArgumentsAndContext( args, this )
: xFac->createInstanceWithContext( this );
}
else
{
Reference< lang::XSingleServiceFactory > xFac2;
if (usesService >>= xFac2)
{
// try via old XSingleServiceFactory
#if OSL_DEBUG_LEVEL > 0
::fprintf(
stderr,
"### omitting context for service instanciation!\n" );
#endif
xInstance = args.getLength()
? xFac2->createInstanceWithArguments( args )
: xFac2->createInstance();
}
else if (m_xSMgr.is()) // optionally service name
{
OUString serviceName;
if ((usesService >>= serviceName) &&
!serviceName.isEmpty())
{
xInstance = args.getLength()
? m_xSMgr->createInstanceWithArgumentsAndContext(
serviceName, args, this )
: m_xSMgr->createInstanceWithContext(
serviceName, this );
}
}
}
}
catch (RuntimeException &)
{
throw;
}
catch (Exception & exc) // rethrow as WrappedTargetRuntimeException
{
Any caught( getCaughtException() );
OUStringBuffer buf;
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(
"exception occurred raising singleton \"") );
buf.append( rName );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("\": ") );
buf.append( exc.Message );
throw lang::WrappedTargetRuntimeException(
buf.makeStringAndClear(), static_cast<OWeakObject *>(this),caught );
}
if (! xInstance.is())
{
throw RuntimeException(
OUSTR("no service object raising singleton ") + rName,
static_cast<OWeakObject *>(this) );
}
Any ret;
guard.reset();
iFind = m_map.find( rName );
if (iFind != m_map.end())
{
pEntry = iFind->second;
if (pEntry->lateInit)
{
pEntry->value <<= xInstance;
pEntry->lateInit = false;
return pEntry->value;
}
else
ret = pEntry->value;
}
guard.clear();
try_dispose( xInstance );
return ret;
}
//__________________________________________________________________________________________________
Any ComponentContext::getValueByName( OUString const & rName )
throw (RuntimeException)
{
// to determine the root context:
if ( rName == "_root" )
{
if (m_xDelegate.is())
return m_xDelegate->getValueByName( rName );
else
return makeAny( Reference<XComponentContext>(this) );
}
Any ret( lookupMap( rName ) );
if (!ret.hasValue() && m_xDelegate.is())
{
return m_xDelegate->getValueByName( rName );
}
return ret;
}
//__________________________________________________________________________________________________
Reference< lang::XMultiComponentFactory > ComponentContext::getServiceManager()
throw (RuntimeException)
{
if ( !m_xSMgr.is() )
{
throw DeploymentException(
"null component context service manager",
static_cast<OWeakObject *>(this) );
}
return m_xSMgr;
}
//__________________________________________________________________________________________________
ComponentContext::~ComponentContext()
SAL_THROW(())
{
#ifdef CONTEXT_DIAG
::fprintf( stderr, "> destructed context %p\n", this );
#endif
t_map::const_iterator iPos( m_map.begin() );
t_map::const_iterator const iEnd( m_map.end() );
for ( ; iPos != iEnd; ++iPos )
delete iPos->second;
m_map.clear();
}
//__________________________________________________________________________________________________
void ComponentContext::disposing()
{
#ifdef CONTEXT_DIAG
::fprintf( stderr, "> disposing context %p\n", this );
#endif
Reference< lang::XComponent > xTDMgr, xAC; // to be disposed separately
// dispose all context objects
t_map::const_iterator iPos( m_map.begin() );
t_map::const_iterator const iEnd( m_map.end() );
for ( ; iPos != iEnd; ++iPos )
{
t_map::mapped_type pEntry = iPos->second;
// service manager disposed separately
if (!m_xSMgr.is() ||
!iPos->first.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM(SMGR_SINGLETON) ))
{
if (pEntry->lateInit)
{
// late init
MutexGuard guard( m_mutex );
if (pEntry->lateInit)
{
pEntry->value.clear(); // release factory
pEntry->lateInit = false;
continue;
}
}
Reference< lang::XComponent > xComp;
pEntry->value >>= xComp;
if (xComp.is())
{
if ( iPos->first == TDMGR_SINGLETON )
{
xTDMgr = xComp;
}
else if ( iPos->first == AC_SINGLETON )
{
xAC = xComp;
}
else // dispose immediately
{
xComp->dispose();
}
}
}
}
// dispose service manager
try_dispose( m_xSMgr );
m_xSMgr.clear();
// dispose ac
try_dispose( xAC );
// dispose tdmgr; revokes callback from cppu runtime
try_dispose( xTDMgr );
iPos = m_map.begin();
for ( ; iPos != iEnd; ++iPos )
delete iPos->second;
m_map.clear();
}
//__________________________________________________________________________________________________
ComponentContext::ComponentContext(
ContextEntry_Init const * pEntries, sal_Int32 nEntries,
Reference< XComponentContext > const & xDelegate )
: WeakComponentImplHelper2< XComponentContext, container::XNameContainer >(
m_mutex ),
m_xDelegate( xDelegate )
{
for ( sal_Int32 nPos = 0; nPos < nEntries; ++nPos )
{
ContextEntry_Init const & rEntry = pEntries[ nPos ];
if ( rEntry.name == SMGR_SINGLETON )
{
rEntry.value >>= m_xSMgr;
}
if (rEntry.bLateInitService)
{
// singleton entry
m_map[ rEntry.name ] = new ContextEntry( Any(), true );
// /service
m_map[ rEntry.name + OUSTR("/service") ] = new ContextEntry( rEntry.value, false );
// /initial-arguments are provided as optional context entry
}
else
{
// only value, no late init factory nor string
m_map[ rEntry.name ] = new ContextEntry( rEntry.value, false );
}
}
if (!m_xSMgr.is() && m_xDelegate.is())
{
// wrap delegate's smgr XPropertySet into new smgr
Reference< lang::XMultiComponentFactory > xMgr( m_xDelegate->getServiceManager() );
if (xMgr.is())
{
osl_atomic_increment( &m_refCount );
try
{
// create new smgr based on delegate's one
m_xSMgr.set(
xMgr->createInstanceWithContext(
OUSTR("com.sun.star.comp.stoc.OServiceManagerWrapper"), xDelegate ),
UNO_QUERY );
// patch DefaultContext property of new one
Reference< beans::XPropertySet > xProps( m_xSMgr, UNO_QUERY );
OSL_ASSERT( xProps.is() );
if (xProps.is())
{
Reference< XComponentContext > xThis( this );
xProps->setPropertyValue( OUSTR("DefaultContext"), makeAny( xThis ) );
}
}
catch (...)
{
osl_atomic_decrement( &m_refCount );
throw;
}
osl_atomic_decrement( &m_refCount );
OSL_ASSERT( m_xSMgr.is() );
}
}
}
//##################################################################################################
extern "C" { static void s_createComponentContext_v(va_list * pParam)
{
ContextEntry_Init const * pEntries = va_arg(*pParam, ContextEntry_Init const *);
sal_Int32 nEntries = va_arg(*pParam, sal_Int32);
XComponentContext * pDelegatee = va_arg(*pParam, XComponentContext *);
void ** ppContext = va_arg(*pParam, void **);
uno::Mapping * pTarget2curr = va_arg(*pParam, uno::Mapping *);
Reference<XComponentContext> xDelegate(pDelegatee, SAL_NO_ACQUIRE);
Reference<XComponentContext> xContext;
if (nEntries > 0)
{
try
{
ComponentContext * p = new ComponentContext( pEntries, nEntries, xDelegate );
xContext.set(p);
// listen delegate for disposing, to dispose this (wrapping) context first.
DisposingForwarder::listen( Reference< lang::XComponent >::query( xDelegate ), p );
}
catch (Exception & exc)
{
(void) exc; // avoid warning about unused variable
OSL_FAIL( OUStringToOString(
exc.Message, RTL_TEXTENCODING_ASCII_US ).getStr() );
xContext.clear();
}
}
else
{
xContext = xDelegate;
}
*ppContext = pTarget2curr->mapInterface(xContext.get(), ::getCppuType(&xContext));
}}
Reference< XComponentContext > SAL_CALL createComponentContext(
ContextEntry_Init const * pEntries, sal_Int32 nEntries,
Reference< XComponentContext > const & xDelegate )
SAL_THROW(())
{
uno::Environment curr_env(Environment::getCurrent());
uno::Environment source_env(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CPPU_STRINGIFY(CPPU_ENV))));
uno::Mapping curr2source(curr_env, source_env);
uno::Mapping source2curr(source_env, curr_env);
ContextEntry_Init * mapped_entries = new ContextEntry_Init[nEntries];
for (sal_Int32 nPos = 0; nPos < nEntries; ++ nPos)
{
mapped_entries[nPos].bLateInitService = pEntries[nPos].bLateInitService;
mapped_entries[nPos].name = pEntries[nPos].name;
uno_type_any_constructAndConvert(&mapped_entries[nPos].value,
const_cast<void *>(pEntries[nPos].value.getValue()),
pEntries[nPos].value.getValueTypeRef(),
curr2source.get());
}
void * mapped_delegate = curr2source.mapInterface(xDelegate.get(), ::getCppuType(&xDelegate));
XComponentContext * pXComponentContext = NULL;
source_env.invoke(s_createComponentContext_v, mapped_entries, nEntries, mapped_delegate, &pXComponentContext, &source2curr);
delete[] mapped_entries;
return Reference<XComponentContext>(pXComponentContext, SAL_NO_ACQUIRE);
}
}
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