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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "../luaengine.h"
#include "utils.h"
#include <utils/environment.h>
#include <utils/qtcprocess.h>
using namespace Utils;
using namespace std::string_view_literals;
namespace Lua::Internal {
void setupProcessModule()
{
registerProvider("Process", [](sol::state_view lua) -> sol::object {
const ScriptPluginSpec *pluginSpec = lua.get<ScriptPluginSpec *>("PluginSpec"sv);
QObject *guard = pluginSpec->connectionGuard.get();
sol::table async = lua.script("return require('async')", "_process_").get<sol::table>();
sol::function wrap = async["wrap"];
sol::table process = lua.create_table();
process["runInTerminal_cb"] =
[guard
= pluginSpec->connectionGuard.get()](const QString &cmdline, const sol::function &cb) {
Process *p = new Process;
p->setTerminalMode(TerminalMode::Run);
p->setCommand(CommandLine::fromUserInput((cmdline)));
p->setEnvironment(Environment::systemEnvironment());
QObject::connect(p, &Process::done, guard, [p, cb]() { cb(p->exitCode()); });
};
process["commandOutput_cb"] =
[guard
= pluginSpec->connectionGuard.get()](const QString &cmdline, const sol::function &cb) {
Process *p = new Process;
p->setCommand(CommandLine::fromUserInput((cmdline)));
p->setEnvironment(Environment::systemEnvironment());
QObject::connect(p, &Process::done, guard, [p, cb]() { cb(p->allOutput()); });
p->start();
};
process["runInTerminal"] = wrap(process["runInTerminal_cb"]);
process["commandOutput"] = wrap(process["commandOutput_cb"]);
process["create"] = [](const sol::table ¶meter) {
const auto cmd = toFilePath(parameter.get<std::variant<FilePath, QString>>("command"sv));
const QStringList arguments
= parameter.get_or<QStringList, const char *, QStringList>("arguments", {});
const std::optional<FilePath> workingDirectory = parameter.get<std::optional<FilePath>>(
"workingDirectory");
const auto stdOut = parameter.get<std::optional<sol::function>>("stdout"sv);
const auto stdErr = parameter.get<std::optional<sol::function>>("stderr"sv);
const auto stdIn = parameter.get<sol::optional<QString>>("stdin"sv);
const auto onFinished = parameter.get<std::optional<sol::function>>("onFinished"sv);
auto p = std::make_unique<Process>();
p->setCommand({cmd, arguments});
if (workingDirectory)
p->setWorkingDirectory(*workingDirectory);
if (stdIn)
p->setWriteData(stdIn->toUtf8());
if (stdOut) {
// clang-format off
QObject::connect(p.get(), &Process::readyReadStandardOutput,
p.get(),
[p = p.get(), cb = *stdOut]() {
void_safe_call(cb, p->readAllStandardOutput());
});
// clang-format on
}
if (stdErr) {
// clang-format off
QObject::connect(p.get(), &Process::readyReadStandardError,
p.get(),
[p = p.get(), cb = *stdErr]() {
void_safe_call(cb, p->readAllStandardError());
});
// clang-format on
}
if (onFinished) {
// clang-format off
QObject::connect(p.get(), &Process::done,
p.get(),
[p = p.get(), cb = *onFinished]() {
void_safe_call(cb);
});
// clang-format on
}
return p;
};
process.new_usertype<Process>(
"Process",
sol::no_constructor,
"start_cb",
[guard](Process *process, sol::function callback) {
if (process->state() != QProcess::NotRunning)
callback(false, "Process is already running");
struct Connections
{
QMetaObject::Connection startedConnection;
QMetaObject::Connection doneConnection;
};
std::shared_ptr<Connections> connections = std::make_shared<Connections>();
// clang-format off
connections->startedConnection
= QObject::connect(process, &Process::started,
guard, [callback, process, connections]() {
process->disconnect(connections->doneConnection);
callback(true);
},
Qt::SingleShotConnection);
connections->doneConnection
= QObject::connect(process, &Process::done,
guard, [callback, process, connections]() {
process->disconnect(connections->startedConnection);
callback(false, process->errorString());
},
Qt::SingleShotConnection);
// clang-format on
process->start();
},
"stop_cb",
[](Process *process, sol::function callback) {
if (process->state() != QProcess::Running)
callback(false, "Process is not running");
// clang-format off
QObject::connect(process, &Process::done,
process, [callback, process]() {
callback(true);
process->disconnect();
},
Qt::SingleShotConnection);
// clang-format on
process->stop();
},
"isRunning",
&Process::isRunning);
process["Process"]["start"] = wrap(process["Process"]["start_cb"]);
process["Process"]["stop"] = wrap(process["Process"]["stop_cb"]);
return process;
});
}
} // namespace Lua::Internal
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