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mirror of synced 2024-11-27 17:10:51 +01:00
ImHex/source/helpers/plugin_manager.cpp

102 lines
3.7 KiB
C++

#include "helpers/plugin_manager.hpp"
#include <filesystem>
namespace hex {
namespace fs = std::filesystem;
// hex::plugin::<pluginName>::internal::initializePlugin()
constexpr auto InitializePluginSymbol = "_ZN3hex6plugin{0}{1}8internal16initializePluginEv";
constexpr auto GetPluginNameSymbol = "_ZN3hex6plugin{0}{1}8internal13getPluginNameEv";
constexpr auto GetPluginAuthorSymbol = "_ZN3hex6plugin{0}{1}8internal15getPluginAuthorEv";
constexpr auto GetPluginDescriptionSymbol = "_ZN3hex6plugin{0}{1}8internal20getPluginDescriptionEv";
Plugin::Plugin(std::string_view path) {
this->m_handle = dlopen(path.data(), RTLD_LAZY);
if (this->m_handle == nullptr)
return;
auto pluginName = fs::path(path).stem().string();
this->m_initializePluginFunction = getPluginFunction<InitializePluginFunc>(pluginName, InitializePluginSymbol);
this->m_getPluginNameFunction = getPluginFunction<GetPluginNameFunc>(pluginName, GetPluginNameSymbol);
this->m_getPluginAuthorFunction = getPluginFunction<GetPluginAuthorFunc>(pluginName, GetPluginAuthorSymbol);
this->m_getPluginDescriptionFunction = getPluginFunction<GetPluginDescriptionFunc>(pluginName, GetPluginDescriptionSymbol);
}
Plugin::Plugin(Plugin &&other) noexcept {
this->m_handle = other.m_handle;
this->m_initializePluginFunction = other.m_initializePluginFunction;
this->m_getPluginNameFunction = other.m_getPluginNameFunction;
this->m_getPluginAuthorFunction = other.m_getPluginAuthorFunction;
this->m_getPluginDescriptionFunction = other.m_getPluginDescriptionFunction;
other.m_handle = nullptr;
other.m_initializePluginFunction = nullptr;
other.m_getPluginNameFunction = nullptr;
other.m_getPluginAuthorFunction = nullptr;
other.m_getPluginDescriptionFunction = nullptr;
}
Plugin::~Plugin() {
if (this->m_handle != nullptr)
dlclose(this->m_handle);
}
void Plugin::initializePlugin() const {
if (this->m_initializePluginFunction != nullptr)
this->m_initializePluginFunction();
}
std::string Plugin::getPluginName() const {
if (this->m_getPluginNameFunction != nullptr)
return this->m_getPluginNameFunction();
else
return hex::format("Unknown Plugin @ 0x{0:016X}", reinterpret_cast<intptr_t>(this->m_handle));
}
std::string Plugin::getPluginAuthor() const {
if (this->m_getPluginAuthorFunction != nullptr)
return this->m_getPluginAuthorFunction();
else
return "Unknown";
}
std::string Plugin::getPluginDescription() const {
if (this->m_getPluginDescriptionFunction != nullptr)
return this->m_getPluginDescriptionFunction();
else
return "";
}
bool PluginManager::load(std::string_view pluginFolder) {
if (!std::filesystem::exists(pluginFolder))
return false;
PluginManager::s_pluginFolder = pluginFolder;
for (auto& pluginPath : std::filesystem::directory_iterator(pluginFolder)) {
if (pluginPath.is_regular_file() && pluginPath.path().extension() == ".hexplug")
PluginManager::s_plugins.emplace_back(pluginPath.path().string());
}
if (PluginManager::s_plugins.empty())
return false;
return true;
}
void PluginManager::unload() {
PluginManager::s_plugins.clear();
PluginManager::s_pluginFolder.clear();
}
void PluginManager::reload() {
PluginManager::unload();
PluginManager::load(PluginManager::s_pluginFolder);
}
}