blob: fb4236ab1f8b8f69ce6e209d4b04b1f285d0e75a [file] [log] [blame]
// Copyright 2016 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include <unordered_map>
#include <utility>
#include <fuchsia/sys/cpp/fidl.h>
#include "src/lib/fxl/macros.h"
#include "lib/json/json_parser.h"
#include "rapidjson/document.h"
namespace sysmgr {
// Parses configuration files. See for format.
// TODO(jeffbrown): Support chaining multiple configuration files together
// via imports.
class Config {
using ServiceMap =
std::unordered_map<std::string, fuchsia::sys::LaunchInfoPtr>;
using StartupServices = std::vector<std::string>;
using UpdateDependencies = std::vector<std::string>;
using OptionalServices = std::vector<std::string>;
using AppVector = std::vector<fuchsia::sys::LaunchInfoPtr>;
Config() = default;
Config(Config&&) = default;
Config& operator=(Config&&) = default;
// Initializes the Config from a config directory, merging its files together.
// Returns false if there were any errors.
bool ParseFromDirectory(const std::string& dir);
// Initializes the Config from a JSON string. |pseudo_file| is used as the
// 'file' in the error string.
bool ParseFromString(const std::string& data, const std::string& pseudo_file);
bool HasError() const;
std::string error_str() const;
ServiceMap TakeServices() { return std::move(services_); }
StartupServices TakeStartupServices() {
return std::move(startup_services_);
UpdateDependencies TakeUpdateDependencies() {
return std::move(update_dependencies_);
OptionalServices TakeOptionalServices() {
return std::move(optional_services_);
AppVector TakeApps() { return std::move(apps_); }
void ParseDocument(rapidjson::Document document);
bool ParseServiceMap(const rapidjson::Document& document,
const std::string& key, Config::ServiceMap* services);
void ReadJsonStringArray(
const rapidjson::Document& document, const char* member,
std::vector<std::string>* out);
fuchsia::sys::LaunchInfoPtr GetLaunchInfo(
const rapidjson::Document::ValueType& value, const std::string& name);
ServiceMap services_;
StartupServices startup_services_;
UpdateDependencies update_dependencies_;
OptionalServices optional_services_;
AppVector apps_;
json::JSONParser json_parser_;
} // namespace sysmgr