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Diffstat (limited to 'logic/minecraft/VersionBuilder.cpp')
-rw-r--r-- | logic/minecraft/VersionBuilder.cpp | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/logic/minecraft/VersionBuilder.cpp b/logic/minecraft/VersionBuilder.cpp new file mode 100644 index 00000000..56eef424 --- /dev/null +++ b/logic/minecraft/VersionBuilder.cpp @@ -0,0 +1,249 @@ +/* Copyright 2013 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 <QList> +#include <QJsonObject> +#include <QJsonArray> +#include <QJsonDocument> +#include <QFile> +#include <QFileInfo> +#include <QMessageBox> +#include <QObject> +#include <QDir> +#include <QDebug> +#include <modutils.h> + +#include "logic/minecraft/VersionBuilder.h" +#include "logic/minecraft/VersionFinal.h" +#include "logic/minecraft/OneSixRule.h" +#include "logic/minecraft/VersionFile.h" + +#include "logic/OneSixInstance.h" +#include "logic/MMCJson.h" + +#include "logger/QsLog.h" + +VersionBuilder::VersionBuilder() +{ +} + +void VersionBuilder::build(VersionFinal *version, OneSixInstance *instance, const QStringList &external) +{ + VersionBuilder builder; + builder.m_version = version; + builder.m_instance = instance; + builder.buildInternal(external); +} + +void VersionBuilder::readJsonAndApplyToVersion(VersionFinal *version, + const QJsonObject &obj) +{ + VersionBuilder builder; + builder.m_version = version; + builder.m_instance = 0; + builder.readJsonAndApply(obj); +} + +void VersionBuilder::buildInternal(const QStringList &external) +{ + m_version->versionFiles.clear(); + + QDir root(m_instance->instanceRoot()); + QDir patches(root.absoluteFilePath("patches/")); + + // if we do external files, do just those. + if (!external.isEmpty()) + { + int externalOrder = -1; + for (auto fileName : external) + { + QLOG_INFO() << "Reading" << fileName; + auto file = + parseJsonFile(QFileInfo(fileName), false, fileName.endsWith("pack.json")); + file->name = QFileInfo(fileName).fileName(); + file->fileId = "org.multimc.external." + file->name; + file->order = (externalOrder += 1); + file->version = QString(); + file->mcVersion = QString(); + m_version->versionFiles.append(file); + } + } + // else, if there's custom json, we just do that. + else if (QFile::exists(root.absoluteFilePath("custom.json"))) + { + QLOG_INFO() << "Reading custom.json"; + auto file = parseJsonFile(QFileInfo(root.absoluteFilePath("custom.json")), false); + file->name = "custom.json"; + file->filename = "custom.json"; + file->fileId = "org.multimc.custom.json"; + file->order = -1; + file->version = QString(); + m_version->versionFiles.append(file); + // QObject::tr("The version descriptors of this instance are not compatible with the + // current version of MultiMC")); + // QObject::tr("Error while applying %1. Please check MultiMC-0.log for more info.") + } + // version.json -> patches/*.json -> user.json + else + do + { + // version.json + QLOG_INFO() << "Reading version.json"; + auto file = parseJsonFile(QFileInfo(root.absoluteFilePath("version.json")), false); + file->name = "Minecraft"; + file->fileId = "org.multimc.version.json"; + file->order = -1; + file->version = m_instance->intendedVersionId(); + file->mcVersion = m_instance->intendedVersionId(); + m_version->versionFiles.append(file); + // QObject::tr("Error while applying %1. Please check MultiMC-0.log for more + // info.").arg(root.absoluteFilePath("version.json"))); + + // patches/ + // load all, put into map for ordering, apply in the right order + + QMap<int, QPair<QString, VersionFilePtr>> files; + for (auto info : patches.entryInfoList(QStringList() << "*.json", QDir::Files)) + { + QLOG_INFO() << "Reading" << info.fileName(); + auto file = parseJsonFile(info, true); + if (files.contains(file->order)) + { + throw VersionBuildError(QObject::tr("%1 has the same order as %2").arg( + file->fileId, files[file->order].second->fileId)); + } + files.insert(file->order, qMakePair(info.fileName(), file)); + } + for (auto order : files.keys()) + { + auto &filePair = files[order]; + m_version->versionFiles.append(filePair.second); + } + } while (0); + + // some final touches + m_version->finalize(); +} + + + +void VersionBuilder::readJsonAndApply(const QJsonObject &obj) +{ + m_version->clear(); + + auto file = VersionFile::fromJson(QJsonDocument(obj), QString(), false); + // QObject::tr("Error while reading. Please check MultiMC-0.log for more info.")); + + file->applyTo(m_version); + m_version->versionFiles.append(file); + // QObject::tr("Error while applying. Please check MultiMC-0.log for more info.")); + // QObject::tr("The version descriptors of this instance are not compatible with the current + // version of MultiMC")); +} + +VersionFilePtr VersionBuilder::parseJsonFile(const QFileInfo &fileInfo, + const bool requireOrder, bool isFTB) +{ + QFile file(fileInfo.absoluteFilePath()); + if (!file.open(QFile::ReadOnly)) + { + throw JSONValidationError(QObject::tr("Unable to open the version file %1: %2.") + .arg(fileInfo.fileName(), file.errorString())); + } + QJsonParseError error; + QJsonDocument doc = QJsonDocument::fromJson(file.readAll(), &error); + if (error.error != QJsonParseError::NoError) + { + throw JSONValidationError(QObject::tr("Unable to process the version file %1: %2 at %3.") + .arg(fileInfo.fileName(), error.errorString()) + .arg(error.offset)); + } + return VersionFile::fromJson(doc, file.fileName(), requireOrder, isFTB); + // QObject::tr("Error while reading %1. Please check MultiMC-0.log for more + // info.").arg(file.fileName()); +} + +QMap<QString, int> VersionBuilder::readOverrideOrders(OneSixInstance *instance) +{ + QMap<QString, int> out; + + // make sure the order file exists + if (!QDir(instance->instanceRoot()).exists("order.json")) + return out; + + // and it can be opened + QFile orderFile(instance->instanceRoot() + "/order.json"); + if (!orderFile.open(QFile::ReadOnly)) + { + QLOG_ERROR() << "Couldn't open" << orderFile.fileName() + << " for reading:" << orderFile.errorString(); + QLOG_WARN() << "Ignoring overriden order"; + return out; + } + + // and it's valid JSON + QJsonParseError error; + QJsonDocument doc = QJsonDocument::fromJson(orderFile.readAll(), &error); + if (error.error != QJsonParseError::NoError) + { + QLOG_ERROR() << "Couldn't parse" << orderFile.fileName() << ":" << error.errorString(); + QLOG_WARN() << "Ignoring overriden order"; + return out; + } + + // and then read it and process it if all above is true. + try + { + auto obj = MMCJson::ensureObject(doc); + for (auto it = obj.begin(); it != obj.end(); ++it) + { + if (it.key().startsWith("org.multimc.")) + { + continue; + } + out.insert(it.key(), MMCJson::ensureInteger(it.value())); + } + } + catch (JSONValidationError &err) + { + QLOG_ERROR() << "Couldn't parse" << orderFile.fileName() << ": bad file format"; + QLOG_WARN() << "Ignoring overriden order"; + return out; + } + return out; +} + +bool VersionBuilder::writeOverrideOrders(const QMap<QString, int> &order, + OneSixInstance *instance) +{ + QJsonObject obj; + for (auto it = order.cbegin(); it != order.cend(); ++it) + { + if (it.key().startsWith("org.multimc.")) + { + continue; + } + obj.insert(it.key(), it.value()); + } + QFile orderFile(instance->instanceRoot() + "/order.json"); + if (!orderFile.open(QFile::WriteOnly)) + { + QLOG_ERROR() << "Couldn't open" << orderFile.fileName() + << "for writing:" << orderFile.errorString(); + return false; + } + orderFile.write(QJsonDocument(obj).toJson(QJsonDocument::Indented)); + return true; +} |