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#include <QtCore>
#include <lua.hpp>
extern "C" {
#include <luv.h>
}
#include "AsyncEventLoop.hpp"
#include "LuaRuntime.hpp"
const char *uv_global_name = "uv";
const char *web_global_name = "web";
LuaRuntime::LuaRuntime() {
state = luaL_newstate();
luaL_openlibs(state);
// Load `web`
luaL_Reg weblib[] = {
{"open", &LuaRuntime::lua_onUrlOpen},
{"tabopen", &LuaRuntime::lua_onUrlTabOpen},
{NULL, NULL},
};
luaL_newlib(state, weblib);
lua_setglobal(state, web_global_name);
}
void LuaRuntime::startEventLoop() {
if (eventLoop != nullptr)
stopEventLoop();
// Init event loop
eventLoop = new AsyncEventLoop();
// Load `uv` (luv)
luv_set_loop(state, eventLoop->getUVLoop());
luaopen_luv(state);
lua_setglobal(state, uv_global_name);
}
void LuaRuntime::stopEventLoop() {
if (eventLoop == nullptr)
return;
delete eventLoop;
eventLoop = nullptr;
// Clear the uv global
lua_pushnil(state);
lua_setglobal(state, uv_global_name);
lua_gc(state, LUA_GCCOLLECT, 0);
}
void LuaRuntime::evaluate(QString code) {
eventLoop->queueTask([this, code]() {
if (luaL_dostring(state, code.toStdString().c_str())) {
qDebug() << "Lua Error: " << lua_tostring(state, -1);
lua_pop(state, 1);
} else
qDebug() << "done";
});
}
int LuaRuntime::lua_onUrlOpen(lua_State *state) {
const char *url = luaL_optstring(state, 1, "");
auto runtime = LuaRuntime::instance();
emit runtime->urlOpened(url, OpenType::OpenUrl);
return 1;
}
int LuaRuntime::lua_onUrlTabOpen(lua_State *state) {
const char *url = luaL_optstring(state, 1, "");
auto runtime = LuaRuntime::instance();
emit runtime->urlOpened(url, OpenType::OpenUrlInTab);
return 1;
}
LuaRuntime::~LuaRuntime() {
stopEventLoop();
lua_close(state);
state = nullptr;
}
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