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Diffstat (limited to 'include/osl/module.hxx')
| -rw-r--r-- | include/osl/module.hxx | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/include/osl/module.hxx b/include/osl/module.hxx new file mode 100644 index 000000000..37f7e249e --- /dev/null +++ b/include/osl/module.hxx @@ -0,0 +1,178 @@ +/* -*- 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 . + */ + +/* + * This file is part of LibreOffice published API. + */ + +#ifndef INCLUDED_OSL_MODULE_HXX +#define INCLUDED_OSL_MODULE_HXX + +#include "sal/config.h" + +#include <cstddef> + +#include "rtl/ustring.hxx" +#include "osl/module.h" + +namespace osl +{ + +class Module +{ + Module( const Module&) SAL_DELETED_FUNCTION; + Module& operator = ( const Module&) SAL_DELETED_FUNCTION; + +public: + static 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[in] addr function address in oslGenericFunction format. + @param[in,out] libraryUrl receives the URL of the module. + + @retval true on success + @retval false can not get the URL from the specified function address or the parameter is invalid. + + @see getUrlFromAddress + */ + static bool getUrlFromAddress( oslGenericFunction addr, ::rtl::OUString & libraryUrl){ + return osl_getModuleURLFromFunctionAddress( addr, &libraryUrl.pData ); + } + + Module(): m_Module(NULL){} + +#ifndef DISABLE_DYNLOADING + + Module( const ::rtl::OUString& strModuleName, sal_Int32 nRtldMode = SAL_LOADMODULE_DEFAULT) : m_Module(NULL) + { + load( strModuleName, nRtldMode); + } + +#endif + + ~Module() + { +#ifndef DISABLE_DYNLOADING + osl_unloadModule(m_Module); +#endif + } + +#ifndef DISABLE_DYNLOADING + + 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 + 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 + 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 = NULL; + } + } + +#endif + + 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[in] ustrFunctionSymbolName Function name to be looked up. + + @retval oslGenericFunction format function address on success + @retval NULL lookup failed or parameter is somewhat invalid + + @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; + } + + /** Release the module so that it will not be unloaded from the destructor. + + This instance returns to the state of a default-constructed instance + again. + + @since LibreOffice 4.3 + */ + void release() { m_Module = NULL; } + +private: + oslModule m_Module; + +}; + +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |