tibia-client/src/framework/core/module.cpp

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