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138 lines
4.5 KiB
138 lines
4.5 KiB
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "module.h"
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#include "modulemanager.h"
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#include <framework/otml/otml.h>
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#include <framework/luascript/luainterface.h>
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Module::Module(const std::string& name)
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{
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m_name = name;
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}
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bool Module::load()
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{
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if(m_loaded)
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return true;
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for(const std::string& depName : m_dependencies) {
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ModulePtr dep = g_modules.getModule(depName);
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if(!dep) {
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g_logger.error(stdext::format("Unable to load module '%s' because dependency '%s' was not found", m_name, depName));
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return false;
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}
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if(!dep->isLoaded() && !dep->load()) {
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g_logger.error(stdext::format("Unable to load module '%s' because dependency '%s' has failed to load", m_name, depName));
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return false;
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}
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}
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if(m_loadCallback)
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m_loadCallback();
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m_loaded = true;
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g_logger.debug(stdext::format("Loaded module '%s'", m_name));
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g_modules.updateModuleLoadOrder(asModule());
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for(const std::string& modName : m_loadLaterModules) {
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ModulePtr dep = g_modules.getModule(modName);
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if(!dep)
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g_logger.error(stdext::format("Unable to find module '%s' required by '%s'", modName, m_name));
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else if(!dep->isLoaded())
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dep->load();
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}
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return true;
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}
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void Module::unload()
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{
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if(m_loaded) {
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if(m_unloadCallback)
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m_unloadCallback();
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m_loaded = false;
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//g_logger.info(stdext::format("Unloaded module '%s'", m_name));
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g_modules.updateModuleLoadOrder(asModule());
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}
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}
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bool Module::reload()
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{
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unload();
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return load();
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}
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bool Module::isDependent()
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{
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for(const ModulePtr& module : g_modules.getModules()) {
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if(module->isLoaded() && module->hasDependency(m_name))
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return true;
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}
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return false;
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}
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bool Module::hasDependency(const std::string& name)
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{
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if(std::find(m_dependencies.begin(), m_dependencies.end(), name) != m_dependencies.end())
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return true;
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return false;
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}
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void Module::discover(const OTMLNodePtr& moduleNode)
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{
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const static std::string none = "none";
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m_description = moduleNode->valueAt("description", none);
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m_author = moduleNode->valueAt("author", none);
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m_website = moduleNode->valueAt("website", none);
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m_version = moduleNode->valueAt("version", none);
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m_autoLoad = moduleNode->valueAt<bool>("autoload", false);
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m_reloadable = moduleNode->valueAt<bool>("reloadable", true);
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m_autoLoadPriority = moduleNode->valueAt<int>("autoload-priority", 9999);
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if(OTMLNodePtr node = moduleNode->get("dependencies")) {
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for(const OTMLNodePtr& tmp : node->children())
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m_dependencies.push_back(tmp->value());
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}
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// set onLoad callback
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if(OTMLNodePtr node = moduleNode->get("@onLoad")) {
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g_lua.loadFunction(node->value(), "@" + node->source() + "[" + node->tag() + "]");
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g_lua.useValue();
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m_loadCallback = g_lua.polymorphicPop<std::function<void()>>();
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}
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// set onUnload callback
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if(OTMLNodePtr node = moduleNode->get("@onUnload")) {
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g_lua.loadFunction(node->value(), "@" + node->source() + "[" + node->tag() + "]");
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g_lua.useValue();
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m_unloadCallback = g_lua.polymorphicPop<std::function<void()>>();
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}
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if(OTMLNodePtr node = moduleNode->get("load-later")) {
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for(const OTMLNodePtr& tmp : node->children())
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m_loadLaterModules.push_back(tmp->value());
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}
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}
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