68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
#include "helpers/plugin_handler.hpp"
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#include <dlfcn.h>
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#include <filesystem>
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namespace hex {
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namespace fs = std::filesystem;
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// hex::plugin::internal::initializePlugin()
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constexpr auto InitializePluginSymbol = "_ZN3hex6plugin%d%s8internal16initializePluginEv";
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Plugin::Plugin(std::string_view path) {
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auto fileName = fs::path(path).stem();
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auto symbolName = hex::format(InitializePluginSymbol, fileName.string().length(), fileName.string().c_str());
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this->m_handle = dlopen(path.data(), RTLD_LAZY);
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if (this->m_handle == nullptr)
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return;
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printf("Loaded plugin %s\n", path.data());
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this->m_initializePluginFunction = reinterpret_cast<InitializePluginFunc>(dlsym(this->m_handle, symbolName.c_str()));
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printf("Symbol %s at %p\n", symbolName.c_str(), this->m_initializePluginFunction);
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}
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Plugin::~Plugin() {
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printf("Plugin unloaded\n");
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dlclose(this->m_handle);
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}
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void Plugin::initializePlugin() const {
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if (this->m_initializePluginFunction != nullptr) {
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printf("Initializing plugin\n");
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this->m_initializePluginFunction();
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printf("Initialized plugin\n");
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}
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}
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void PluginHandler::load(std::string_view pluginFolder) {
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if (!std::filesystem::exists(pluginFolder))
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throw std::runtime_error("Failed to find plugin folder");
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PluginHandler::s_pluginFolder = pluginFolder;
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for (auto& pluginPath : std::filesystem::directory_iterator(pluginFolder)) {
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if (pluginPath.is_regular_file() && pluginPath.path().extension() == ".hexplug")
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PluginHandler::s_plugins.push_back(new Plugin(pluginPath.path().string()));
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}
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}
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void PluginHandler::unload() {
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for (auto &plugin : PluginHandler::s_plugins)
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delete plugin;
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PluginHandler::s_plugins.clear();
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PluginHandler::s_pluginFolder.clear();
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}
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void PluginHandler::reload() {
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PluginHandler::unload();
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PluginHandler::load(PluginHandler::s_pluginFolder);
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}
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}
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