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0001 // ct_lvtplg_sharedlibrarydispatcher.cpp -*-C++-*- 0002 0003 /* 0004 // Copyright 2023 Codethink Ltd <codethink@codethink.co.uk> 0005 // SPDX-License-Identifier: Apache-2.0 0006 // 0007 // Licensed under the Apache License, Version 2.0 (the "License"); 0008 // you may not use this file except in compliance with the License. 0009 // You may obtain a copy of the License at 0010 // 0011 // http://www.apache.org/licenses/LICENSE-2.0 0012 // 0013 // Unless required by applicable law or agreed to in writing, software 0014 // distributed under the License is distributed on an "AS IS" BASIS, 0015 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 0016 // See the License for the specific language governing permissions and 0017 // limitations under the License. 0018 */ 0019 0020 #include <QDebug> 0021 #include <ct_lvtplg_sharedlibrarydispatcher.h> 0022 0023 namespace Codethink::lvtplg { 0024 0025 const std::string SharedLibraryDispatcher::pluginDataId = "private::soLibData"; 0026 0027 SharedLibraryDispatcher::SharedLibraryDispatcher(QString const& fileName): library(fileName) 0028 { 0029 } 0030 0031 std::unique_ptr<AbstractLibraryDispatcher::ResolveContext> 0032 SharedLibraryDispatcher::resolve(std::string const& functionName) 0033 { 0034 return std::make_unique<AbstractLibraryDispatcher::ResolveContext>(library.resolve(functionName.c_str())); 0035 } 0036 0037 std::string SharedLibraryDispatcher::fileName() 0038 { 0039 return library.fileName().toStdString(); 0040 } 0041 0042 // TODO: Implement Shared Library Reload 0043 void SharedLibraryDispatcher::reload() 0044 { 0045 qWarning() << "Shared Library Reload: Not implemented yet"; 0046 } 0047 0048 // TODO: Implement Shared Library Unload 0049 void SharedLibraryDispatcher::unload() 0050 { 0051 qWarning() << "Shared Library Reload: Not implemented yet"; 0052 } 0053 0054 bool SharedLibraryDispatcher::isValidPlugin(QDir const& pluginDir) 0055 { 0056 const auto pluginName = pluginDir.dirName(); 0057 // TODO: MacOS support 0058 #if defined(Q_OS_WINDOWS) 0059 const auto so_ext = QStringLiteral(".dll"); 0060 #else 0061 const auto so_ext = QStringLiteral(".so"); 0062 #endif 0063 const bool metadataExists = pluginDir.exists(QStringLiteral("metadata.json")); 0064 const bool readmeExists = pluginDir.exists(QStringLiteral("README.md")); 0065 const bool pluginExists = pluginDir.exists(pluginName + so_ext); 0066 return metadataExists && readmeExists && pluginExists; 0067 } 0068 0069 std::unique_ptr<AbstractLibraryDispatcher> SharedLibraryDispatcher::loadSinglePlugin(QDir const& pluginDir) 0070 { 0071 auto pluginName = pluginDir.dirName(); 0072 auto pluginSharedObjectBasename = pluginDir.path() + QDir::separator() + pluginName; 0073 auto lib = std::make_unique<SharedLibraryDispatcher>(pluginSharedObjectBasename); 0074 if (!lib->library.load()) { 0075 return nullptr; 0076 } 0077 return lib; 0078 } 0079 0080 } // namespace Codethink::lvtplg