339 lines
12 KiB
C++
339 lines
12 KiB
C++
#include <hex/api/plugin_manager.hpp>
|
|
#include <hex/api/imhex_api.hpp>
|
|
|
|
#include <hex/helpers/logger.hpp>
|
|
#include <hex/helpers/fmt.hpp>
|
|
#include <hex/helpers/auto_reset.hpp>
|
|
|
|
#include <wolv/utils/string.hpp>
|
|
|
|
#include <filesystem>
|
|
|
|
#if defined(OS_WINDOWS)
|
|
#include <windows.h>
|
|
#else
|
|
#include <dlfcn.h>
|
|
#endif
|
|
|
|
namespace hex {
|
|
|
|
Plugin::Plugin(const std::fs::path &path) : m_path(path) {
|
|
log::info("Loading plugin '{}'", wolv::util::toUTF8String(path.filename()));
|
|
|
|
#if defined(OS_WINDOWS)
|
|
m_handle = uintptr_t(LoadLibraryW(path.c_str()));
|
|
|
|
if (m_handle == uintptr_t(INVALID_HANDLE_VALUE) || m_handle == 0) {
|
|
log::error("Loading plugin '{}' failed: {} {}!", wolv::util::toUTF8String(path.filename()), ::GetLastError(), std::system_category().message(::GetLastError()));
|
|
return;
|
|
}
|
|
#else
|
|
m_handle = uintptr_t(dlopen(wolv::util::toUTF8String(path).c_str(), RTLD_LAZY));
|
|
|
|
if (m_handle == 0) {
|
|
log::error("Loading plugin '{}' failed: {}!", wolv::util::toUTF8String(path.filename()), dlerror());
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
const auto fileName = path.stem().string();
|
|
|
|
m_functions.initializePluginFunction = getPluginFunction<PluginFunctions::InitializePluginFunc>("initializePlugin");
|
|
m_functions.initializeLibraryFunction = getPluginFunction<PluginFunctions::InitializePluginFunc>(hex::format("initializeLibrary_{}", fileName));
|
|
m_functions.getPluginNameFunction = getPluginFunction<PluginFunctions::GetPluginNameFunc>("getPluginName");
|
|
m_functions.getLibraryNameFunction = getPluginFunction<PluginFunctions::GetLibraryNameFunc>(hex::format("getLibraryName_{}", fileName));
|
|
m_functions.getPluginAuthorFunction = getPluginFunction<PluginFunctions::GetPluginAuthorFunc>("getPluginAuthor");
|
|
m_functions.getPluginDescriptionFunction = getPluginFunction<PluginFunctions::GetPluginDescriptionFunc>("getPluginDescription");
|
|
m_functions.getCompatibleVersionFunction = getPluginFunction<PluginFunctions::GetCompatibleVersionFunc>("getCompatibleVersion");
|
|
m_functions.setImGuiContextFunction = getPluginFunction<PluginFunctions::SetImGuiContextFunc>("setImGuiContext");
|
|
m_functions.setImGuiContextLibraryFunction = getPluginFunction<PluginFunctions::SetImGuiContextFunc>(hex::format("setImGuiContext_{}", fileName));
|
|
m_functions.getSubCommandsFunction = getPluginFunction<PluginFunctions::GetSubCommandsFunc>("getSubCommands");
|
|
m_functions.getFeaturesFunction = getPluginFunction<PluginFunctions::GetSubCommandsFunc>("getFeatures");
|
|
}
|
|
|
|
Plugin::Plugin(const std::string &name, const hex::PluginFunctions &functions) {
|
|
m_handle = 0;
|
|
m_functions = functions;
|
|
m_path = name;
|
|
m_addedManually = true;
|
|
}
|
|
|
|
|
|
Plugin::Plugin(Plugin &&other) noexcept {
|
|
m_handle = other.m_handle;
|
|
other.m_handle = 0;
|
|
|
|
m_path = std::move(other.m_path);
|
|
m_addedManually = other.m_addedManually;
|
|
|
|
m_functions = other.m_functions;
|
|
other.m_functions = {};
|
|
}
|
|
|
|
Plugin& Plugin::operator=(Plugin &&other) noexcept {
|
|
m_handle = other.m_handle;
|
|
other.m_handle = 0;
|
|
|
|
m_path = std::move(other.m_path);
|
|
m_addedManually = other.m_addedManually;
|
|
|
|
m_functions = other.m_functions;
|
|
other.m_functions = {};
|
|
|
|
return *this;
|
|
}
|
|
|
|
Plugin::~Plugin() {
|
|
if (isLoaded()) {
|
|
log::debug("Trying to unload plugin '{}'", getPluginName());
|
|
}
|
|
|
|
#if defined(OS_WINDOWS)
|
|
if (m_handle != 0)
|
|
if (FreeLibrary(HMODULE(m_handle)) == FALSE) {
|
|
log::error("Error when unloading plugin '{}': {}!", wolv::util::toUTF8String(m_path.filename()), std::system_category().message(::GetLastError()));
|
|
}
|
|
#else
|
|
if (m_handle != 0)
|
|
dlclose(reinterpret_cast<void*>(m_handle));
|
|
#endif
|
|
}
|
|
|
|
bool Plugin::initializePlugin() const {
|
|
const auto pluginName = wolv::util::toUTF8String(m_path.filename());
|
|
|
|
if (this->isLibraryPlugin()) {
|
|
m_functions.initializeLibraryFunction();
|
|
|
|
log::info("Library '{}' initialized successfully", pluginName);
|
|
|
|
m_initialized = true;
|
|
return true;
|
|
}
|
|
|
|
|
|
const auto requestedVersion = getCompatibleVersion();
|
|
const auto imhexVersion = ImHexApi::System::getImHexVersion();
|
|
if (!imhexVersion.starts_with(requestedVersion)) {
|
|
if (requestedVersion.empty()) {
|
|
log::warn("Plugin '{}' did not specify a compatible version, assuming it is compatible with the current version of ImHex.", wolv::util::toUTF8String(m_path.filename()));
|
|
} else {
|
|
log::error("Refused to load plugin '{}' which was built for a different version of ImHex: '{}'", wolv::util::toUTF8String(m_path.filename()), requestedVersion);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (m_functions.initializePluginFunction != nullptr) {
|
|
try {
|
|
m_functions.initializePluginFunction();
|
|
} catch (const std::exception &e) {
|
|
log::error("Plugin '{}' threw an exception on init: {}", pluginName, e.what());
|
|
return false;
|
|
} catch (...) {
|
|
log::error("Plugin '{}' threw an exception on init", pluginName);
|
|
return false;
|
|
}
|
|
} else {
|
|
log::error("Plugin '{}' does not have a proper entrypoint", pluginName);
|
|
return false;
|
|
}
|
|
|
|
log::info("Plugin '{}' initialized successfully", pluginName);
|
|
|
|
m_initialized = true;
|
|
return true;
|
|
}
|
|
|
|
std::string Plugin::getPluginName() const {
|
|
if (m_functions.getPluginNameFunction != nullptr) {
|
|
return m_functions.getPluginNameFunction();
|
|
} else {
|
|
if (this->isLibraryPlugin())
|
|
return m_functions.getLibraryNameFunction();
|
|
else
|
|
return hex::format("Unknown Plugin @ 0x{0:016X}", m_handle);
|
|
}
|
|
}
|
|
|
|
std::string Plugin::getPluginAuthor() const {
|
|
if (m_functions.getPluginAuthorFunction != nullptr)
|
|
return m_functions.getPluginAuthorFunction();
|
|
else
|
|
return "Unknown";
|
|
}
|
|
|
|
std::string Plugin::getPluginDescription() const {
|
|
if (m_functions.getPluginDescriptionFunction != nullptr)
|
|
return m_functions.getPluginDescriptionFunction();
|
|
else
|
|
return "";
|
|
}
|
|
|
|
std::string Plugin::getCompatibleVersion() const {
|
|
if (m_functions.getCompatibleVersionFunction != nullptr)
|
|
return m_functions.getCompatibleVersionFunction();
|
|
else
|
|
return "";
|
|
}
|
|
|
|
|
|
void Plugin::setImGuiContext(ImGuiContext *ctx) const {
|
|
if (m_functions.setImGuiContextFunction != nullptr)
|
|
m_functions.setImGuiContextFunction(ctx);
|
|
}
|
|
|
|
const std::fs::path &Plugin::getPath() const {
|
|
return m_path;
|
|
}
|
|
|
|
bool Plugin::isValid() const {
|
|
return m_handle != 0 || m_functions.initializeLibraryFunction != nullptr || m_functions.initializePluginFunction != nullptr;
|
|
}
|
|
|
|
bool Plugin::isLoaded() const {
|
|
return m_initialized;
|
|
}
|
|
|
|
std::span<SubCommand> Plugin::getSubCommands() const {
|
|
if (m_functions.getSubCommandsFunction != nullptr) {
|
|
const auto result = m_functions.getSubCommandsFunction();
|
|
if (result == nullptr)
|
|
return { };
|
|
|
|
return *static_cast<std::vector<SubCommand>*>(result);
|
|
} else {
|
|
return { };
|
|
}
|
|
}
|
|
|
|
std::span<Feature> Plugin::getFeatures() const {
|
|
if (m_functions.getFeaturesFunction != nullptr) {
|
|
const auto result = m_functions.getFeaturesFunction();
|
|
if (result == nullptr)
|
|
return { };
|
|
|
|
return *static_cast<std::vector<Feature>*>(result);
|
|
} else {
|
|
return { };
|
|
}
|
|
}
|
|
|
|
bool Plugin::isLibraryPlugin() const {
|
|
return m_functions.initializeLibraryFunction != nullptr &&
|
|
m_functions.initializePluginFunction == nullptr;
|
|
}
|
|
|
|
bool Plugin::wasAddedManually() const {
|
|
return m_addedManually;
|
|
}
|
|
|
|
|
|
|
|
|
|
void *Plugin::getPluginFunction(const std::string &symbol) const {
|
|
#if defined(OS_WINDOWS)
|
|
return reinterpret_cast<void *>(GetProcAddress(HMODULE(m_handle), symbol.c_str()));
|
|
#else
|
|
return dlsym(reinterpret_cast<void*>(m_handle), symbol.c_str());
|
|
#endif
|
|
}
|
|
|
|
void PluginManager::addLoadPath(const std::fs::path& path) {
|
|
getPluginLoadPaths().emplace_back(path);
|
|
}
|
|
|
|
|
|
bool PluginManager::load() {
|
|
bool success = true;
|
|
for (const auto &loadPath : getPluginLoadPaths())
|
|
success = PluginManager::load(loadPath) && success;
|
|
|
|
return success;
|
|
}
|
|
|
|
|
|
bool PluginManager::load(const std::fs::path &pluginFolder) {
|
|
if (!wolv::io::fs::exists(pluginFolder))
|
|
return false;
|
|
|
|
getPluginPaths().push_back(pluginFolder);
|
|
|
|
// Load library plugins first
|
|
for (auto &pluginPath : std::fs::directory_iterator(pluginFolder)) {
|
|
if (pluginPath.is_regular_file() && pluginPath.path().extension() == ".hexpluglib") {
|
|
if (!isPluginLoaded(pluginPath.path())) {
|
|
getPlugins().emplace_back(pluginPath.path());
|
|
}
|
|
}
|
|
}
|
|
|
|
// Load regular plugins afterwards
|
|
for (auto &pluginPath : std::fs::directory_iterator(pluginFolder)) {
|
|
if (pluginPath.is_regular_file() && pluginPath.path().extension() == ".hexplug") {
|
|
if (!isPluginLoaded(pluginPath.path())) {
|
|
getPlugins().emplace_back(pluginPath.path());
|
|
}
|
|
}
|
|
}
|
|
|
|
std::erase_if(getPlugins(), [](const Plugin &plugin) {
|
|
return !plugin.isValid();
|
|
});
|
|
|
|
return true;
|
|
}
|
|
|
|
void PluginManager::initializeNewPlugins() {
|
|
for (const auto &plugin : getPlugins()) {
|
|
if (!plugin.isLoaded())
|
|
hex::unused(plugin.initializePlugin());
|
|
}
|
|
}
|
|
|
|
void PluginManager::unload() {
|
|
getPluginPaths().clear();
|
|
|
|
// Unload plugins in reverse order
|
|
auto &plugins = getPlugins();
|
|
|
|
std::list<Plugin> savedPlugins;
|
|
while (!plugins.empty()) {
|
|
if (plugins.back().wasAddedManually())
|
|
savedPlugins.emplace_front(std::move(plugins.back()));
|
|
plugins.pop_back();
|
|
}
|
|
|
|
getPlugins() = std::move(savedPlugins);
|
|
}
|
|
|
|
void PluginManager::addPlugin(const std::string &name, hex::PluginFunctions functions) {
|
|
getPlugins().emplace_back(name, functions);
|
|
}
|
|
|
|
std::list<Plugin> &PluginManager::getPlugins() {
|
|
static std::list<Plugin> plugins;
|
|
|
|
return plugins;
|
|
}
|
|
|
|
std::vector<std::fs::path> &PluginManager::getPluginPaths() {
|
|
static AutoReset<std::vector<std::fs::path>> pluginPaths;
|
|
|
|
return pluginPaths;
|
|
}
|
|
|
|
std::vector<std::fs::path> &PluginManager::getPluginLoadPaths() {
|
|
static AutoReset<std::vector<std::fs::path>> pluginPaths;
|
|
|
|
return pluginPaths;
|
|
}
|
|
|
|
bool PluginManager::isPluginLoaded(const std::fs::path &path) {
|
|
return std::ranges::any_of(getPlugins(), [&path](const Plugin &plugin) {
|
|
return plugin.getPath().filename() == path.filename();
|
|
});
|
|
}
|
|
|
|
|
|
}
|