h1-mod/src/client/loader/component_loader.cpp

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2022-02-03 14:05:24 -05:00
#include <std_include.hpp>
#include "component_loader.hpp"
void component_loader::register_component(std::unique_ptr<component_interface>&& component_)
{
get_components().push_back(std::move(component_));
}
bool component_loader::post_start()
{
static auto handled = false;
if (handled) return true;
handled = true;
try
{
for (const auto& component_ : get_components())
{
component_->post_start();
}
}
catch (premature_shutdown_trigger&)
{
return false;
}
return true;
}
bool component_loader::post_load()
{
static auto handled = false;
if (handled) return true;
handled = true;
clean();
try
{
for (const auto& component_ : get_components())
{
component_->post_load();
}
}
catch (premature_shutdown_trigger&)
{
return false;
}
return true;
}
void component_loader::post_unpack()
{
static auto handled = false;
if (handled) return;
handled = true;
for (const auto& component_ : get_components())
{
component_->post_unpack();
}
}
void component_loader::pre_destroy()
{
static auto handled = false;
if (handled) return;
handled = true;
for (const auto& component_ : get_components())
{
component_->pre_destroy();
}
}
void component_loader::clean()
{
auto& components = get_components();
for (auto i = components.begin(); i != components.end();)
{
if (!(*i)->is_supported())
{
(*i)->pre_destroy();
i = components.erase(i);
}
else
{
++i;
}
}
}
void* component_loader::load_import(const std::string& library, const std::string& function)
{
void* function_ptr = nullptr;
for (const auto& component_ : get_components())
{
auto* const component_function_ptr = component_->load_import(library, function);
if (component_function_ptr)
{
function_ptr = component_function_ptr;
}
}
return function_ptr;
}
void component_loader::trigger_premature_shutdown()
{
throw premature_shutdown_trigger();
}
std::vector<std::unique_ptr<component_interface>>& component_loader::get_components()
{
using component_vector = std::vector<std::unique_ptr<component_interface>>;
using component_vector_container = std::unique_ptr<component_vector, std::function<void(component_vector*)>>;
static component_vector_container components(new component_vector, [](component_vector* component_vector)
{
pre_destroy();
delete component_vector;
});
return *components;
}