pollymc/api/logic/meta/JsonFormat.cpp

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/* Copyright 2015-2017 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "JsonFormat.h"
// FIXME: remove this from here... somehow
#include "minecraft/onesix/OneSixVersionFormat.h"
#include "Json.h"
#include "Index.h"
#include "Version.h"
#include "VersionList.h"
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using namespace Json;
namespace Meta
{
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static const int currentFormatVersion = 0;
// Index
static BaseEntity::Ptr parseIndexInternal(const QJsonObject &obj)
{
const QVector<QJsonObject> objects = requireIsArrayOf<QJsonObject>(obj, "packages");
QVector<VersionListPtr> lists;
lists.reserve(objects.size());
std::transform(objects.begin(), objects.end(), std::back_inserter(lists), [](const QJsonObject &obj)
{
VersionListPtr list = std::make_shared<VersionList>(requireString(obj, "uid"));
list->setName(ensureString(obj, "name", QString()));
return list;
});
return std::make_shared<Index>(lists);
}
// Version
static VersionPtr parseCommonVersion(const QString &uid, const QJsonObject &obj)
{
VersionPtr version = std::make_shared<Version>(uid, requireString(obj, "version"));
version->setTime(QDateTime::fromString(requireString(obj, "releaseTime"), Qt::ISODate).toMSecsSinceEpoch() / 1000);
version->setType(ensureString(obj, "type", QString()));
version->setParentUid(ensureString(obj, "parentUid", QString()));
version->setRecommended(ensureBoolean(obj, "recommended", false));
if(obj.contains("requires"))
{
QHash<QString, QString> requires;
auto reqobj = requireObject(obj, "requires");
auto iter = reqobj.begin();
while(iter != reqobj.end())
{
requires[iter.key()] = requireString(iter.value());
iter++;
}
version->setRequires(requires);
}
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return version;
}
static BaseEntity::Ptr parseVersionInternal(const QJsonObject &obj)
{
VersionPtr version = parseCommonVersion(requireString(obj, "uid"), obj);
version->setData(OneSixVersionFormat::versionFileFromJson(QJsonDocument(obj),
QString("%1/%2.json").arg(version->uid(), version->version()),
obj.contains("order")));
return version;
}
// Version list / package
static BaseEntity::Ptr parseVersionListInternal(const QJsonObject &obj)
{
const QString uid = requireString(obj, "uid");
const QVector<QJsonObject> versionsRaw = requireIsArrayOf<QJsonObject>(obj, "versions");
QVector<VersionPtr> versions;
versions.reserve(versionsRaw.size());
std::transform(versionsRaw.begin(), versionsRaw.end(), std::back_inserter(versions), [uid](const QJsonObject &vObj)
{
auto version = parseCommonVersion(uid, vObj);
version->setProvidesRecommendations();
return version;
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});
VersionListPtr list = std::make_shared<VersionList>(uid);
list->setName(ensureString(obj, "name", QString()));
list->setParentUid(ensureString(obj, "parentUid", QString()));
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list->setVersions(versions);
return list;
}
static int formatVersion(const QJsonObject &obj)
{
if (!obj.contains("formatVersion")) {
throw ParseException(QObject::tr("Missing required field: 'formatVersion'"));
}
if (!obj.value("formatVersion").isDouble()) {
throw ParseException(QObject::tr("Required field has invalid type: 'formatVersion'"));
}
return obj.value("formatVersion").toInt();
}
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void parseIndex(const QJsonObject &obj, Index *ptr)
{
const int version = formatVersion(obj);
switch (version) {
case 0:
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ptr->merge(parseIndexInternal(obj));
break;
default:
throw ParseException(QObject::tr("Unknown formatVersion: %1").arg(version));
}
}
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void parseVersionList(const QJsonObject &obj, VersionList *ptr)
{
const int version = formatVersion(obj);
switch (version) {
case 0:
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ptr->merge(parseVersionListInternal(obj));
break;
default:
throw ParseException(QObject::tr("Unknown formatVersion: %1").arg(version));
}
}
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void parseVersion(const QJsonObject &obj, Version *ptr)
{
const int version = formatVersion(obj);
switch (version) {
case 0:
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ptr->merge(parseVersionInternal(obj));
break;
default:
throw ParseException(QObject::tr("Unknown formatVersion: %1").arg(version));
}
}
}