MultiMC5/launcher/modplatform/flame/PackManifest.cpp

127 lines
4.3 KiB
C++

#include "PackManifest.h"
#include "Json.h"
static void loadFileV1(Flame::File & f, QJsonObject & file)
{
f.projectId = Json::requireInteger(file, "projectID");
f.fileId = Json::requireInteger(file, "fileID");
f.required = Json::ensureBoolean(file, QString("required"), true);
}
static void loadModloaderV1(Flame::Modloader & m, QJsonObject & modLoader)
{
m.id = Json::requireString(modLoader, "id");
m.primary = Json::ensureBoolean(modLoader, QString("primary"), false);
}
static void loadMinecraftV1(Flame::Minecraft & m, QJsonObject & minecraft)
{
m.version = Json::requireString(minecraft, "version");
// extra libraries... apparently only used for a custom Minecraft launcher in the 1.2.5 FTB retro pack
// intended use is likely hardcoded in the 'Flame' client, the manifest says nothing
m.libraries = Json::ensureString(minecraft, QString("libraries"), QString());
auto arr = Json::ensureArray(minecraft, "modLoaders", QJsonArray());
for (QJsonValueRef item : arr)
{
auto obj = Json::requireObject(item);
Flame::Modloader loader;
loadModloaderV1(loader, obj);
m.modLoaders.append(loader);
}
}
static void loadManifestV1(Flame::Manifest & m, QJsonObject & manifest)
{
auto mc = Json::requireObject(manifest, "minecraft");
loadMinecraftV1(m.minecraft, mc);
m.name = Json::ensureString(manifest, QString("name"), "Unnamed");
m.version = Json::ensureString(manifest, QString("version"), QString());
m.author = Json::ensureString(manifest, QString("author"), "Anonymous Coward");
auto arr = Json::ensureArray(manifest, "files", QJsonArray());
for (QJsonValueRef item : arr)
{
auto obj = Json::requireObject(item);
Flame::File file;
loadFileV1(file, obj);
m.files.append(file);
}
m.overrides = Json::ensureString(manifest, "overrides", "overrides");
}
void Flame::loadManifest(Flame::Manifest & m, const QString &filepath)
{
auto doc = Json::requireDocument(filepath);
auto obj = Json::requireObject(doc);
m.manifestType = Json::requireString(obj, "manifestType");
if(m.manifestType != "minecraftModpack")
{
throw JSONValidationError("Not a modpack manifest!");
}
m.manifestVersion = Json::requireInteger(obj, "manifestVersion");
if(m.manifestVersion != 1)
{
throw JSONValidationError(QString("Unknown manifest version (%1)").arg(m.manifestVersion));
}
loadManifestV1(m, obj);
}
bool Flame::File::parseFromBytes(const QByteArray& bytes)
{
auto doc = Json::requireDocument(bytes);
auto obj = Json::requireObject(doc);
// result code signifies true failure.
if(obj.contains("code"))
{
qCritical() << "Resolving of" << projectId << fileId << "failed because of a negative result:";
qCritical() << bytes;
return false;
}
fileName = Json::requireString(obj, "FileNameOnDisk");
QString rawUrl = Json::requireString(obj, "DownloadURL");
url = QUrl(rawUrl, QUrl::TolerantMode);
if(!url.isValid())
{
throw JSONValidationError(QString("Invalid URL: %1").arg(rawUrl));
}
// This is a piece of a Flame project JSON pulled out into the file metadata (here) for convenience
// It is also optional
QJsonObject projObj = Json::ensureObject(obj, "_Project", {});
if(!projObj.isEmpty())
{
QString strType = Json::ensureString(projObj, "PackageType", "mod").toLower();
if(strType == "singlefile")
{
type = File::Type::SingleFile;
}
else if(strType == "ctoc")
{
type = File::Type::Ctoc;
}
else if(strType == "cmod2")
{
type = File::Type::Cmod2;
}
else if(strType == "mod")
{
type = File::Type::Mod;
}
else if(strType == "folder")
{
type = File::Type::Folder;
}
else if(strType == "modpack")
{
type = File::Type::Modpack;
}
else
{
qCritical() << "Resolving of" << projectId << fileId << "failed because of unknown file type:" << strType;
type = File::Type::Unknown;
return false;
}
targetFolder = Json::ensureString(projObj, "Path", "mods");
}
resolved = true;
return true;
}