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New, simpler and versioned format for the patch load order.

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This commit is contained in:
Petr Mrázek
2014-05-20 01:17:54 +02:00
parent e118b1f990
commit 48d3052ac1
4 changed files with 79 additions and 66 deletions
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97
logic/minecraft/VersionBuilder.cpp
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@ -73,10 +73,6 @@ void VersionBuilder::buildFromCustomJson()
file->order = -1;
file->version = QString();
m_version->VersionPatches.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.")
// some final touches
m_version->finalize();
return;
}
@ -102,18 +98,48 @@ void VersionBuilder::buildFromVersionJson()
void VersionBuilder::readInstancePatches()
{
PatchOrder userOrder;
readOverrideOrders(m_instance, userOrder);
QDir patches(instance_root.absoluteFilePath("patches/"));
// first, load things by sort order.
for (auto id : userOrder)
{
// ignore builtins
if (id == "net.minecraft")
continue;
if (id == "org.lwjgl")
continue;
// parse the file
QString filename = patches.absoluteFilePath(id + ".json");
QLOG_INFO() << "Reading" << filename << "by user order";
auto file = parseJsonFile(QFileInfo(filename), false);
// sanity check. prevent tampering with files.
if (file->fileId != id)
{
throw VersionBuildError(
QObject::tr("load id %1 does not match internal id %2").arg(id, file->fileId));
}
m_version->VersionPatches.append(file);
}
// now load the rest by internal preference.
QMap<int, QPair<QString, VersionFilePtr>> files;
for (auto info : patches.entryInfoList(QStringList() << "*.json", QDir::Files))
{
// parse the file
QLOG_INFO() << "Reading" << info.fileName();
auto file = parseJsonFile(info, true);
if(file->fileId == "net.minecraft")
// ignore builtins
if (file->fileId == "net.minecraft")
continue;
if(file->fileId == "org.lwjgl")
if (file->fileId == "org.lwjgl")
continue;
// do not load what we already loaded in the first pass
if (userOrder.contains(file->fileId))
continue;
if (files.contains(file->order))
{
// FIXME: do not throw?
throw VersionBuildError(QObject::tr("%1 has the same order as %2")
.arg(file->fileId, files[file->order].second->fileId));
}
@ -152,7 +178,7 @@ void VersionBuilder::buildFromMultilayer()
auto minecraftList = MMC->minecraftlist();
auto mcversion = minecraftList->findVersion(m_instance->intendedVersionId());
auto minecraftPatch = std::dynamic_pointer_cast<VersionPatch>(mcversion);
if(!minecraftPatch)
if (!minecraftPatch)
{
throw VersionIncomplete("net.minecraft");
}
@ -162,7 +188,7 @@ void VersionBuilder::buildFromMultilayer()
QResource LWJGL(":/versions/LWJGL/2.9.1.json");
auto lwjgl = parseJsonFile(LWJGL.absoluteFilePath(), false, false);
auto lwjglPatch = std::dynamic_pointer_cast<VersionPatch>(lwjgl);
if(!lwjglPatch)
if (!lwjglPatch)
{
throw VersionIncomplete("org.lwjgl");
}
@ -205,13 +231,9 @@ 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->VersionPatches.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,
@ -233,8 +255,6 @@ VersionFilePtr VersionBuilder::parseJsonFile(const QFileInfo &fileInfo, const bo
.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());
}
VersionFilePtr VersionBuilder::parseBinaryJsonFile(const QFileInfo &fileInfo)
@ -256,22 +276,17 @@ VersionFilePtr VersionBuilder::parseBinaryJsonFile(const QFileInfo &fileInfo)
return VersionFile::fromJson(doc, file.fileName(), false, false);
}
QMap<QString, int> VersionBuilder::readOverrideOrders(OneSixInstance *instance)
static const int currentOrderFileVersion = 1;
bool VersionBuilder::readOverrideOrders(OneSixInstance *instance, PatchOrder &order)
{
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;
return false;
}
// and it's valid JSON
@ -281,42 +296,46 @@ QMap<QString, int> VersionBuilder::readOverrideOrders(OneSixInstance *instance)
{
QLOG_ERROR() << "Couldn't parse" << orderFile.fileName() << ":" << error.errorString();
QLOG_WARN() << "Ignoring overriden order";
return out;
return false;
}
// 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)
// check order file version.
auto version = MMCJson::ensureInteger(obj.value("version"), "version");
if (version != currentOrderFileVersion)
{
if (it.key().startsWith("org.multimc."))
{
continue;
}
out.insert(it.key(), MMCJson::ensureInteger(it.value()));
throw JSONValidationError(QObject::tr("Invalid order file version, expected %1")
.arg(currentOrderFileVersion));
}
auto orderArray = MMCJson::ensureArray(obj.value("order"));
for(auto item: orderArray)
{
order.append(MMCJson::ensureString(item));
}
}
catch (JSONValidationError &err)
{
QLOG_ERROR() << "Couldn't parse" << orderFile.fileName() << ": bad file format";
QLOG_WARN() << "Ignoring overriden order";
return out;
order.clear();
return false;
}
return out;
return true;
}
bool VersionBuilder::writeOverrideOrders(const QMap<QString, int> &order,
OneSixInstance *instance)
bool VersionBuilder::writeOverrideOrders(OneSixInstance *instance, const PatchOrder &order)
{
QJsonObject obj;
for (auto it = order.cbegin(); it != order.cend(); ++it)
obj.insert("version", currentOrderFileVersion);
QJsonArray orderArray;
for(auto str: order)
{
int order = it.value();
if(order < 0)
continue;
obj.insert(it.key(), it.value());
orderArray.append(str);
}
obj.insert("order", orderArray);
QFile orderFile(instance->instanceRoot() + "/order.json");
if (!orderFile.open(QFile::WriteOnly))
{