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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/util/options_parser/startup_option_init.h"
#include <stack>
#include "mongo/util/assert_util.h"
/*
* These are the initializer groups for command line and config file option registration, parsing,
* validation, and storage
*/
namespace mongo {
namespace {
std::string makeInitializer(const std::string& name,
const std::vector<std::string>& after,
const std::vector<std::string>& before) {
getGlobalInitializer().addInitializer(
name, [](InitializerContext*) {}, [](DeinitializerContext*) {}, after, before);
return name;
}
// Initializer groups for general option registration. Useful for controlling the order in which
// options are registered for modules, which affects the order in which they are printed in help
// output.
void StaticInit() {
struct NestedStages {
std::string name;
std::vector<NestedStages> children;
};
struct StackEntry {
const NestedStages* n;
std::vector<std::string> after;
std::vector<std::string> before;
};
const NestedStages stages{"StartupOptionHandling",
{
{"StartupOptionRegistration",
{
{"GeneralStartupOptionRegistration"}, //
{"ModuleStartupOptionRegistration"}, //
}},
{"StartupOptionParsing"},
{"StartupOptionValidation"},
{"StartupOptionSetup"},
{"StartupOptionStorage"},
{"PostStartupOptionStorage"},
}};
std::stack<StackEntry> stack{{{&stages, {"ValidateLocale"}, {"default"}}}};
while (!stack.empty()) {
auto top = stack.top();
stack.pop();
std::string tail = makeInitializer("Begin" + top.n->name, top.after, {});
for (const auto& child : top.n->children) {
stack.push({&child, {tail}, {}});
tail = "End" + child.name;
}
tail = makeInitializer("End" + top.n->name, {tail}, {top.before});
}
}
const int dummy = (StaticInit(), 0);
} // namespace
} // namespace mongo
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