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7c704c78d3c652504c064b4ac7af55a2c1ee49bb
libreoffice/cppu/source/LogBridge/LogBridge.cxx
Stephan Bergmann 7c704c78d3 Removed some unused parameters; added SAL_UNUSED_PARAMETER. 
SAL_UNUSED_PARAMETER (expanding to __attribute__ ((unused)) for GCC)
is used to annotate legitimately unused parameters, so that static
analysis tools can tell legitimately unused parameters from truly
unnecessary ones.  To that end, some patches for external modules
are also added, that are only applied when compiling with GCC and
add necessary __attribute__ ((unused)) in headers.
2012-01-21 15:21:16 +01:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "osl/mutex.hxx"
#include "osl/thread.h"
#include "uno/dispatcher.h"
#include "typelib/typedescription.hxx"
#include "cppu/helper/purpenv/Environment.hxx"
#include "cppu/helper/purpenv/Mapping.hxx"
#include "cppu/EnvDcp.hxx"
#include "rtl/logfile.hxx"
#include "uno/environment.hxx"
#include <com/sun/star/uno/Type.hxx>
#include <boost/unordered_map.hpp>
#include <memory>
namespace
{
class LogBridge : public cppu::Enterable
{
osl::Mutex m_mutex;
sal_Int32 m_count;
oslThreadIdentifier m_threadId;
virtual ~LogBridge(void);
public:
explicit LogBridge(void);
virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam);
virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam);
virtual void v_enter(void);
virtual void v_leave(void);
virtual int v_isValid(rtl::OUString * pReason);
};
LogBridge::LogBridge(void)
: m_count (0)
,m_threadId(0)
{
}
LogBridge::~LogBridge(void)
{
OSL_ASSERT(m_count >= 0);
}
void LogBridge::v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam)
{
enter();
pCallee(pParam);
leave();
}
void LogBridge::v_callOut_v(uno_EnvCallee * pCallee, va_list * pParam)
{
OSL_ASSERT(m_count > 0);
-- m_count;
pCallee(pParam);
++ m_count;
if (!m_threadId)
m_threadId = osl_getThreadIdentifier(NULL);
}
void LogBridge::v_enter(void)
{
m_mutex.acquire();
OSL_ASSERT(m_count >= 0);
if (m_count == 0)
m_threadId = osl_getThreadIdentifier(NULL);
++ m_count;
}
void LogBridge::v_leave(void)
{
OSL_ASSERT(m_count > 0);
-- m_count;
if (!m_count)
m_threadId = 0;
m_mutex.release();
}
int LogBridge::v_isValid(rtl::OUString * pReason)
{
int result = 1;
result = m_count > 0;
if (!result)
*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("not entered"));
else
{
result = m_threadId == osl_getThreadIdentifier(NULL);
if (!result)
*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("wrong thread"));
}
if (result)
*pReason = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("OK"));
return result;
}
void traceValue(typelib_TypeDescriptionReference* _pTypeRef,void* pArg)
{
switch(_pTypeRef->eTypeClass)
{
case typelib_TypeClass_STRING:
{
const ::rtl::OString sValue( ::rtl::OUStringToOString(*static_cast< ::rtl::OUString*>(pArg),osl_getThreadTextEncoding()));
rtl_logfile_trace( "%s", sValue.getStr());
}
break;
case typelib_TypeClass_BOOLEAN:
rtl_logfile_trace( "%d", *static_cast<sal_Bool*>(pArg));
break;
case typelib_TypeClass_BYTE:
rtl_logfile_trace( "%d", *static_cast<sal_Int8*>(pArg));
break;
case typelib_TypeClass_CHAR:
rtl_logfile_trace( "%c", *static_cast<sal_Char*>(pArg));
break;
case typelib_TypeClass_SHORT:
case typelib_TypeClass_UNSIGNED_SHORT:
rtl_logfile_trace( "%d", *static_cast<sal_Int16*>(pArg));
break;
case typelib_TypeClass_LONG:
case typelib_TypeClass_UNSIGNED_LONG:
case typelib_TypeClass_ENUM:
rtl_logfile_trace( "%d", *static_cast<sal_Int32*>(pArg));
break;
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
rtl_logfile_trace( "%d", *static_cast<sal_Int64*>(pArg));
break;
case typelib_TypeClass_FLOAT:
rtl_logfile_trace( "%f", *static_cast<float*>(pArg));
break;
case typelib_TypeClass_DOUBLE:
rtl_logfile_trace( "%f", *static_cast<double*>(pArg));
break;
case typelib_TypeClass_TYPE:
{
const ::rtl::OString sValue( ::rtl::OUStringToOString(((com::sun::star::uno::Type*)pArg)->getTypeName(),osl_getThreadTextEncoding()));
rtl_logfile_trace( "%s", sValue.getStr());
}
break;
case typelib_TypeClass_ANY:
if ( static_cast<uno_Any*>(pArg)->pData )
traceValue(static_cast<uno_Any*>(pArg)->pType,static_cast<uno_Any*>(pArg)->pData);
else
rtl_logfile_trace( "void");
break;
case typelib_TypeClass_EXCEPTION:
rtl_logfile_trace( "exception");
break;
case typelib_TypeClass_INTERFACE:
{
const ::rtl::OString sValue( ::rtl::OUStringToOString(_pTypeRef->pTypeName,osl_getThreadTextEncoding()));
rtl_logfile_trace( "%s 0x%p", sValue.getStr(),pArg);
}
break;
case typelib_TypeClass_VOID:
rtl_logfile_trace( "void");
break;
default:
rtl_logfile_trace( "0x%p", pArg);
break;
} // switch(pParams[i].pTypeRef->eTypeClass)
}
}
void LogProbe(
bool pre,
SAL_UNUSED_PARAMETER void * /*pThis*/,
SAL_UNUSED_PARAMETER void * /*pContext*/,
typelib_TypeDescriptionReference * pReturnTypeRef,
typelib_MethodParameter * pParams,
sal_Int32 nParams,
typelib_TypeDescription const * pMemberType,
void * pReturn,
void * pArgs[],
uno_Any ** ppException )
{
static ::std::auto_ptr< ::rtl::Logfile> pLogger;
::rtl::OString sTemp;
if ( pMemberType && pMemberType->pTypeName )
sTemp = ::rtl::OUStringToOString(pMemberType->pTypeName,RTL_TEXTENCODING_ASCII_US);
if ( pre )
{
rtl_logfile_longTrace( "{ LogBridge () %s", sTemp.getStr() );
if ( nParams )
{
rtl_logfile_trace( "\n| : ( LogBridge ");
for(sal_Int32 i = 0;i < nParams;++i)
{
if ( i > 0 )
rtl_logfile_trace( ",");
traceValue(pParams[i].pTypeRef,pArgs[i]);
}
rtl_logfile_trace( ")");
} // if ( nParams )
rtl_logfile_trace( "\n");
}
else if ( !pre )
{
rtl_logfile_longTrace( "} LogBridge () %s",sTemp.getStr());
if ( ppException && *ppException )
{
rtl_logfile_trace( " excption occurred : ");
typelib_TypeDescription * pElementTypeDescr = 0;
TYPELIB_DANGER_GET( &pElementTypeDescr, (*ppException)->pType );
const ::rtl::OString sValue( ::rtl::OUStringToOString(pElementTypeDescr->pTypeName,osl_getThreadTextEncoding()));
rtl_logfile_trace( "%s", sValue.getStr());
TYPELIB_DANGER_RELEASE( pElementTypeDescr );
}
else if ( pReturnTypeRef )
{
rtl_logfile_trace( " return : ");
traceValue(pReturnTypeRef,pReturn);
} // if ( pReturn && pReturnTypeRef )
rtl_logfile_trace( "\n");
}
}
extern "C" void SAL_DLLPUBLIC_EXPORT SAL_CALL uno_initEnvironment(uno_Environment * pEnv)
SAL_THROW_EXTERN_C()
{
cppu::helper::purpenv::Environment_initWithEnterable(pEnv, new LogBridge());
}
extern "C" void SAL_DLLPUBLIC_EXPORT SAL_CALL uno_ext_getMapping(uno_Mapping ** ppMapping,
uno_Environment * pFrom,
uno_Environment * pTo )
{
cppu::helper::purpenv::createMapping(ppMapping, pFrom, pTo,LogProbe);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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