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office-gobmx/cppuhelper/source/shlib.cxx
Sebastian Spaeth a715e1b3d0 Add vim/emacs modelines to all source files 
Fixes #fdo30794
Based on bin/add-modelines script (originally posted in mail
1286706307.1871.1399280959@webmail.messagingengine.com)

Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
2010-10-14 17:04:31 +02:00

612 lines
20 KiB
C++
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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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_cppuhelper.hxx"
#include "osl/diagnose.h"
#include "osl/file.hxx"
#include "osl/mutex.hxx"
#include "osl/module.hxx"
#include "rtl/unload.h"
#include "rtl/ustrbuf.hxx"
#include "uno/environment.h"
#include "uno/mapping.hxx"
#include "cppuhelper/factory.hxx"
#include "cppuhelper/shlib.hxx"
#include "com/sun/star/beans/XPropertySet.hpp"
#if OSL_DEBUG_LEVEL > 1
#include <stdio.h>
#endif
#include <vector>
#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
using namespace ::rtl;
using namespace ::osl;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
namespace cppu
{
#if OSL_DEBUG_LEVEL > 1
//------------------------------------------------------------------------------
static inline void out( const char * p ) SAL_THROW( () )
{
printf( p );
}
static inline void out( const OUString & r ) throw ()
{
OString s( OUStringToOString( r, RTL_TEXTENCODING_ASCII_US ) );
out( s.getStr() );
}
#endif
//------------------------------------------------------------------------------
static const ::std::vector< OUString > * getAccessDPath() SAL_THROW( () )
{
static ::std::vector< OUString > * s_p = 0;
static bool s_bInit = false;
if (! s_bInit)
{
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
if (! s_bInit)
{
const char * pEnv = ::getenv( "CPLD_ACCESSPATH" );
if (pEnv)
{
static ::std::vector< OUString > s_v;
OString aEnv( pEnv );
sal_Int32 nIndex = 0;
do
{
OUString aStr( OStringToOUString(
aEnv.getToken( 0, ';', nIndex ),
RTL_TEXTENCODING_ASCII_US ) );
OUString aFileUrl;
if (FileBase::getFileURLFromSystemPath(aStr, aFileUrl)
!= FileBase::E_None)
{
OSL_ASSERT(false);
}
s_v.push_back( aFileUrl );
} while( nIndex != -1 );
#if OSL_DEBUG_LEVEL > 1
out( "> cpld: acknowledged following access path(s): \"" );
::std::vector< OUString >::const_iterator iPos( s_v.begin() );
while (iPos != s_v.end())
{
out( *iPos );
++iPos;
if (iPos != s_v.end())
out( ";" );
}
out( "\"\n" );
#endif
s_p = & s_v;
}
else
{
// no access path env set
#if OSL_DEBUG_LEVEL > 1
out( "=> no CPLD_ACCESSPATH set.\n" );
#endif
}
s_bInit = true;
}
}
return s_p;
}
//------------------------------------------------------------------------------
static bool checkAccessPath( OUString * pComp ) throw ()
{
const ::std::vector< OUString > * pPath = getAccessDPath();
if (pPath)
{
sal_Bool bAbsolute = (pComp->compareToAscii( "file://" , 7 ) == 0);
for ( ::std::vector< OUString >::const_iterator iPos( pPath->begin() );
iPos != pPath->end(); ++iPos )
{
OUString aBaseDir( *iPos );
OUString aAbs;
if ( bAbsolute )
{
aAbs = *pComp;
#if OSL_DEBUG_LEVEL > 1
out( "> taking path: \"" );
out( aAbs );
#endif
}
else
{
if (osl_File_E_None !=
::osl_getAbsoluteFileURL(
aBaseDir.pData, pComp->pData, &aAbs.pData ))
{
continue;
}
#if OSL_DEBUG_LEVEL > 1
out( "> found path: \"" );
out( aBaseDir );
out( "\" + \"" );
out( *pComp );
out( "\" => \"" );
out( aAbs );
#endif
}
if (0 == aAbs.indexOf( aBaseDir ) && // still part of it?
aBaseDir.getLength() < aAbs.getLength() &&
(aBaseDir[ aBaseDir.getLength() -1 ] == (sal_Unicode)'/' ||
// dir boundary
aAbs[ aBaseDir.getLength() ] == (sal_Unicode)'/'))
{
#if OSL_DEBUG_LEVEL > 1
out( ": ok.\n" );
#endif
// load from absolute path
*pComp = aAbs;
return true;
}
#if OSL_DEBUG_LEVEL > 1
else
{
out( "\" ...does not match given path \"" );
out( aBaseDir );
out( "\".\n" );
}
#endif
}
return false;
}
else
{
// no access path env set
return true;
}
}
//------------------------------------------------------------------------------
static inline sal_Int32 endsWith(
const OUString & rText, const OUString & rEnd ) SAL_THROW( () )
{
if (rText.getLength() >= rEnd.getLength() &&
rEnd.equalsIgnoreAsciiCase(
rText.copy( rText.getLength() - rEnd.getLength() ) ))
{
return rText.getLength() - rEnd.getLength();
}
return -1;
}
//------------------------------------------------------------------------------
static OUString makeComponentPath(
const OUString & rLibName, const OUString & rPath )
{
#if OSL_DEBUG_LEVEL > 0
// No system path allowed here !
{
OUString aComp;
OSL_ASSERT( FileBase::E_None ==
FileBase::getSystemPathFromFileURL( rLibName, aComp ) );
OSL_ASSERT(
! rPath.getLength() ||
FileBase::E_None ==
FileBase::getSystemPathFromFileURL( rPath, aComp ) );
}
#endif
OUStringBuffer buf( rPath.getLength() + rLibName.getLength() + 12 );
if (0 != rPath.getLength())
{
buf.append( rPath );
if (rPath[ rPath.getLength() -1 ] != '/')
buf.append( (sal_Unicode) '/' );
}
sal_Int32 nEnd = endsWith( rLibName, OUSTR(SAL_DLLEXTENSION) );
if (nEnd < 0) // !endsWith
{
#ifndef OS2
//this is always triggered with .uno components
#if (OSL_DEBUG_LEVEL >= 2)
OSL_ENSURE(
!"### library name has no proper extension!",
OUStringToOString( rLibName, RTL_TEXTENCODING_ASCII_US ).getStr() );
#endif
#endif // OS2
#if defined SAL_DLLPREFIX
nEnd = endsWith( rLibName, OUSTR(".uno") );
if (nEnd < 0) // !endsWith
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(SAL_DLLPREFIX) );
#endif
buf.append( rLibName );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(SAL_DLLEXTENSION) );
}
else // name is completely pre/postfixed
{
buf.append( rLibName );
}
OUString out( buf.makeStringAndClear() );
#if OSL_DEBUG_LEVEL > 1
OString str( OUStringToOString( out, RTL_TEXTENCODING_ASCII_US ) );
OSL_TRACE( "component path=%s\n", str.getStr() );
#endif
return out;
}
//==============================================================================
static OUString getLibEnv(OUString const & aModulePath,
oslModule lib,
uno::Environment * pEnv,
OUString * pSourceEnv_name,
uno::Environment const & cTargetEnv,
OUString const & cImplName = OUString())
{
OUString aExcMsg;
sal_Char const * pEnvTypeName = NULL;
OUString aGetEnvNameExt = OUSTR(COMPONENT_GETENVEXT);
component_getImplementationEnvironmentExtFunc pGetImplEnvExt =
(component_getImplementationEnvironmentExtFunc)osl_getFunctionSymbol(lib, aGetEnvNameExt.pData);
if (pGetImplEnvExt)
{
OString implName(OUStringToOString(cImplName, RTL_TEXTENCODING_ASCII_US));
pGetImplEnvExt(&pEnvTypeName, (uno_Environment **)pEnv, implName.getStr(), cTargetEnv.get());
}
else
{
OUString aGetEnvName = OUSTR(COMPONENT_GETENV);
component_getImplementationEnvironmentFunc pGetImplEnv =
(component_getImplementationEnvironmentFunc)osl_getFunctionSymbol(
lib, aGetEnvName.pData );
if (pGetImplEnv)
pGetImplEnv(&pEnvTypeName, (uno_Environment **)pEnv);
else
{
aExcMsg = aModulePath;
aExcMsg += OUSTR(": cannot get symbol: ");
aExcMsg += aGetEnvName;
aExcMsg += OUSTR("- nor: ");
}
}
if (!pEnv->is() && pEnvTypeName)
{
*pSourceEnv_name = OUString::createFromAscii(pEnvTypeName);
const char * pUNO_ENV_LOG = ::getenv( "UNO_ENV_LOG" );
if (pUNO_ENV_LOG && rtl_str_getLength(pUNO_ENV_LOG) )
{
OString implName(OUStringToOString(cImplName, RTL_TEXTENCODING_ASCII_US));
OString aEnv( pUNO_ENV_LOG );
sal_Int32 nIndex = 0;
do
{
const OString aStr( aEnv.getToken( 0, ';', nIndex ) );
if ( aStr.equals(implName) )
{
*pSourceEnv_name += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(":log"));
break;
}
} while( nIndex != -1 );
}
}
return aExcMsg;
}
extern "C" {static void s_getFactory(va_list * pParam)
{
component_getFactoryFunc pSym = va_arg(*pParam, component_getFactoryFunc);
OString const * pImplName = va_arg(*pParam, OString const *);
void * pSMgr = va_arg(*pParam, void *);
void * pKey = va_arg(*pParam, void *);
void ** ppSSF = va_arg(*pParam, void **);
*ppSSF = pSym(pImplName->getStr(), pSMgr, pKey);
}}
Reference< XInterface > SAL_CALL loadSharedLibComponentFactory(
OUString const & rLibName, OUString const & rPath,
OUString const & rImplName,
Reference< lang::XMultiServiceFactory > const & xMgr,
Reference< registry::XRegistryKey > const & xKey )
SAL_THROW( (loader::CannotActivateFactoryException) )
{
OUString aModulePath( makeComponentPath( rLibName, rPath ) );
if (! checkAccessPath( &aModulePath ))
{
throw loader::CannotActivateFactoryException(
OUSTR("permission denied to load component library: ") +
aModulePath,
Reference< XInterface >() );
}
oslModule lib = osl_loadModule(
aModulePath.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
if (! lib)
{
throw loader::CannotActivateFactoryException(
OUSTR("loading component library failed: ") + aModulePath,
Reference< XInterface >() );
}
Reference< XInterface > xRet;
uno::Environment currentEnv(Environment::getCurrent());
uno::Environment env;
OUString aEnvTypeName;
OUString aExcMsg = getLibEnv(aModulePath, lib, &env, &aEnvTypeName, currentEnv, rImplName);
if (!aExcMsg.getLength())
{
OUString aGetFactoryName = OUSTR(COMPONENT_GETFACTORY);
oslGenericFunction pSym = osl_getFunctionSymbol( lib, aGetFactoryName.pData );
if (pSym != 0)
{
OString aImplName(
OUStringToOString( rImplName, RTL_TEXTENCODING_ASCII_US ) );
if (!env.is())
env = uno::Environment(aEnvTypeName);
if (env.is() && currentEnv.is())
{
#if OSL_DEBUG_LEVEL > 1
{
rtl::OString libName(rtl::OUStringToOString(rLibName, RTL_TEXTENCODING_ASCII_US));
rtl::OString implName(rtl::OUStringToOString(rImplName, RTL_TEXTENCODING_ASCII_US));
rtl::OString envDcp(rtl::OUStringToOString(env.getTypeName(), RTL_TEXTENCODING_ASCII_US));
fprintf(stderr, "loadSharedLibComponentFactory envDcp: %-12.12s implName: %30.30s libName: %-15.15s\n", envDcp.getStr(), implName.getStr() + (implName.getLength() > 30 ? implName.getLength() - 30 : 0), libName.getStr());
}
#endif
Mapping aCurrent2Env( currentEnv, env );
Mapping aEnv2Current( env, currentEnv );
if (aCurrent2Env.is() && aEnv2Current.is())
{
void * pSMgr = aCurrent2Env.mapInterface(
xMgr.get(), ::getCppuType( &xMgr ) );
void * pKey = aCurrent2Env.mapInterface(
xKey.get(), ::getCppuType( &xKey ) );
void * pSSF = NULL;
env.invoke(s_getFactory, pSym, &aImplName, pSMgr, pKey, &pSSF);
if (pKey)
{
(env.get()->pExtEnv->releaseInterface)(
env.get()->pExtEnv, pKey );
}
if (pSMgr)
{
(*env.get()->pExtEnv->releaseInterface)(
env.get()->pExtEnv, pSMgr );
}
if (pSSF)
{
aEnv2Current.mapInterface(
reinterpret_cast< void ** >( &xRet ),
pSSF, ::getCppuType( &xRet ) );
(env.get()->pExtEnv->releaseInterface)(
env.get()->pExtEnv, pSSF );
}
else
{
aExcMsg = aModulePath;
aExcMsg += OUSTR(": cannot get factory of "
"demanded implementation: ");
aExcMsg += OStringToOUString(
aImplName, RTL_TEXTENCODING_ASCII_US );
}
}
else
{
aExcMsg =
OUSTR("cannot get uno mappings: C++ <=> UNO!");
}
}
else
{
aExcMsg = OUSTR("cannot get uno environments!");
}
}
else
{
aExcMsg = aModulePath;
aExcMsg += OUSTR(": cannot get symbol: ");
aExcMsg += aGetFactoryName;
}
}
if (! xRet.is())
{
osl_unloadModule( lib );
#if OSL_DEBUG_LEVEL > 1
out( "### cannot activate factory: " );
out( aExcMsg );
out( "\n" );
#endif
throw loader::CannotActivateFactoryException(
aExcMsg,
Reference< XInterface >() );
}
rtl_registerModuleForUnloading( lib);
return xRet;
}
//==============================================================================
extern "C" { static void s_writeInfo(va_list * pParam)
{
component_writeInfoFunc pSym = va_arg(*pParam, component_writeInfoFunc);
void * pSMgr = va_arg(*pParam, void *);
void * pKey = va_arg(*pParam, void *);
sal_Bool * pbRet = va_arg(*pParam, sal_Bool *);
*pbRet = pSym(pSMgr, pKey);
}}
void SAL_CALL writeSharedLibComponentInfo(
OUString const & rLibName, OUString const & rPath,
Reference< lang::XMultiServiceFactory > const & xMgr,
Reference< registry::XRegistryKey > const & xKey )
SAL_THROW( (registry::CannotRegisterImplementationException) )
{
OUString aModulePath( makeComponentPath( rLibName, rPath ) );
if (! checkAccessPath( &aModulePath ))
{
throw registry::CannotRegisterImplementationException(
OUSTR("permission denied to load component library: ") +
aModulePath,
Reference< XInterface >() );
}
oslModule lib = osl_loadModule(
aModulePath.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
if (! lib)
{
throw registry::CannotRegisterImplementationException(
OUSTR("loading component library failed: ") + aModulePath,
Reference< XInterface >() );
}
sal_Bool bRet = sal_False;
uno::Environment currentEnv(Environment::getCurrent());
uno::Environment env;
OUString aEnvTypeName;
OUString aExcMsg = getLibEnv(aModulePath, lib, &env, &aEnvTypeName, currentEnv);
if (!aExcMsg.getLength())
{
OUString aWriteInfoName = OUSTR(COMPONENT_WRITEINFO);
oslGenericFunction pSym = osl_getFunctionSymbol( lib, aWriteInfoName.pData );
if (pSym != 0)
{
if (!env.is())
env = uno::Environment(aEnvTypeName);
if (env.is() && currentEnv.is())
{
Mapping aCurrent2Env( currentEnv, env );
if (aCurrent2Env.is())
{
void * pSMgr = aCurrent2Env.mapInterface(
xMgr.get(), ::getCppuType( &xMgr ) );
void * pKey = aCurrent2Env.mapInterface(
xKey.get(), ::getCppuType( &xKey ) );
if (pKey)
{
env.invoke(s_writeInfo, pSym, pSMgr, pKey, &bRet);
(*env.get()->pExtEnv->releaseInterface)(
env.get()->pExtEnv, pKey );
if (! bRet)
{
aExcMsg = aModulePath;
aExcMsg += OUSTR(": component_writeInfo() "
"returned false!");
}
}
else
{
// key is mandatory
aExcMsg = aModulePath;
aExcMsg += OUSTR(": registry is mandatory to invoke"
" component_writeInfo()!");
}
if (pSMgr)
{
(*env.get()->pExtEnv->releaseInterface)(
env.get()->pExtEnv, pSMgr );
}
}
else
{
aExcMsg = OUSTR("cannot get uno mapping: C++ <=> UNO!");
}
}
else
{
aExcMsg = OUSTR("cannot get uno environments!");
}
}
else
{
aExcMsg = aModulePath;
aExcMsg += OUSTR(": cannot get symbol: ");
aExcMsg += aWriteInfoName;
}
}
//!
//! OK: please look at #88219#
//!
//! ::osl_unloadModule( lib);
if (! bRet)
{
#if OSL_DEBUG_LEVEL > 1
out( "### cannot write component info: " );
out( aExcMsg );
out( "\n" );
#endif
throw registry::CannotRegisterImplementationException(
aExcMsg, Reference< XInterface >() );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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