diff options
Diffstat (limited to 'include/osl/module.hxx')
| -rw-r--r-- | include/osl/module.hxx | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/include/osl/module.hxx b/include/osl/module.hxx new file mode 100644 index 000000000000..317579dc816b --- /dev/null +++ b/include/osl/module.hxx @@ -0,0 +1,175 @@ +/* -*- 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 . + */ + +#ifndef _OSL_MODULE_HXX_ +#define _OSL_MODULE_HXX_ + +#include <rtl/ustring.hxx> +#include <osl/module.h> + +namespace osl +{ + +class Module +{ + Module( const Module&); + Module& operator = ( const Module&); + +public: + static sal_Bool getUrlFromAddress(void * addr, ::rtl::OUString & libraryUrl) { + return osl_getModuleURLFromAddress(addr, &libraryUrl.pData); + } + + /** Get module URL from the specified function address in the module. + + Similar to getUrlFromAddress, but use a function address to get URL of the Module. + Use Function pointer as symbol address to conceal type conversion. + + @param addr + [in] function address in oslGenericFunction format. + + @param libraryUrl + [in|out] receives the URL of the module. + + @return + <dl> + <dt>sal_True</dt> + <dd>on success</dd> + <dt>sal_False</dt> + <dd>can not get the URL from the specified function address or the parameter is invalid.</dd> + </dl> + + @see getUrlFromAddress + */ + static sal_Bool getUrlFromAddress( oslGenericFunction addr, ::rtl::OUString & libraryUrl){ + return osl_getModuleURLFromFunctionAddress( addr, &libraryUrl.pData ); + } + + Module(): m_Module(0){} + +#ifndef DISABLE_DYNLOADING + + Module( const ::rtl::OUString& strModuleName, sal_Int32 nRtldMode = SAL_LOADMODULE_DEFAULT) : m_Module(0) + { + load( strModuleName, nRtldMode); + } + +#endif + + ~Module() + { +#ifndef DISABLE_DYNLOADING + osl_unloadModule(m_Module); +#endif + } + +#ifndef DISABLE_DYNLOADING + + sal_Bool SAL_CALL load( const ::rtl::OUString& strModuleName, + sal_Int32 nRtldMode = SAL_LOADMODULE_DEFAULT) + { + unload(); + m_Module= osl_loadModule( strModuleName.pData, nRtldMode ); + return is(); + } + + /// @since UDK 3.2.8 + sal_Bool SAL_CALL loadRelative( + ::oslGenericFunction baseModule, ::rtl::OUString const & relativePath, + ::sal_Int32 mode = SAL_LOADMODULE_DEFAULT) + { + unload(); + m_Module = osl_loadModuleRelative(baseModule, relativePath.pData, mode); + return is(); + } + + /// @since LibreOffice 3.5 + sal_Bool SAL_CALL loadRelative( + oslGenericFunction baseModule, char const * relativePath, + sal_Int32 mode = SAL_LOADMODULE_DEFAULT) + { + unload(); + m_Module = osl_loadModuleRelativeAscii(baseModule, relativePath, mode); + return is(); + } + + void SAL_CALL unload() + { + if (m_Module) + { + osl_unloadModule(m_Module); + m_Module = 0; + } + } + +#endif + + sal_Bool SAL_CALL is() const + { + return m_Module != NULL; + } + + void* SAL_CALL getSymbol( const ::rtl::OUString& strSymbolName) + { + return ( osl_getSymbol( m_Module, strSymbolName.pData ) ); + } + + /** Get function address by the function name in the module. + + getFunctionSymbol is an alternative function for getSymbol. + Use Function pointer as symbol address to conceal type conversion. + + @param ustrFunctionSymbolName + [in] Function name to be looked up. + + @return + <dl> + <dt>oslGenericFunction format function address</dt> + <dd>on success</dd> + <dt>NULL</dt> + <dd>lookup failed or parameter is somewhat invalid</dd> + </dl> + + @see getSymbol + */ + oslGenericFunction SAL_CALL getFunctionSymbol( const ::rtl::OUString& ustrFunctionSymbolName ) const + { + return ( osl_getFunctionSymbol( m_Module, ustrFunctionSymbolName.pData ) ); + } + + /// @since LibreOffice 3.5 + oslGenericFunction SAL_CALL getFunctionSymbol(char const * name) const { + return osl_getAsciiFunctionSymbol(m_Module, name); + } + + operator oslModule() const + { + return m_Module; + } + +private: + oslModule m_Module; + +}; + +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |