PrismLauncher/launcher/modplatform/flame/PackManifest.cpp

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#include "PackManifest.h"
#include "Json.h"
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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);
}
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static void loadModloaderV1(Flame::Modloader& m, QJsonObject& modLoader)
{
m.id = Json::requireString(modLoader, "id");
m.primary = Json::ensureBoolean(modLoader, QString("primary"), false);
}
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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
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// 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());
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for (QJsonValueRef item : arr) {
auto obj = Json::requireObject(item);
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Flame::Modloader loader;
loadModloaderV1(loader, obj);
m.modLoaders.append(loader);
}
}
static void loadManifestV1(Flame::Manifest& pack, QJsonObject& manifest)
{
auto mc = Json::requireObject(manifest, "minecraft");
loadMinecraftV1(pack.minecraft, mc);
pack.name = Json::ensureString(manifest, QString("name"), "Unnamed");
pack.version = Json::ensureString(manifest, QString("version"), QString());
pack.author = Json::ensureString(manifest, QString("author"), "Anonymous");
auto arr = Json::ensureArray(manifest, "files", QJsonArray());
for (auto item : arr) {
auto obj = Json::requireObject(item);
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Flame::File file;
loadFileV1(file, obj);
pack.files.insert(file.fileId,file);
}
pack.overrides = Json::ensureString(manifest, "overrides", "overrides");
pack.is_loaded = true;
}
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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");
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if (m.manifestType != "minecraftModpack") {
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throw JSONValidationError("Not a modpack manifest!");
}
m.manifestVersion = Json::requireInteger(obj, "manifestVersion");
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if (m.manifestVersion != 1) {
throw JSONValidationError(QString("Unknown manifest version (%1)").arg(m.manifestVersion));
}
loadManifestV1(m, obj);
}
bool Flame::File::parseFromObject(const QJsonObject& obj, bool throw_on_blocked)
{
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fileName = Json::requireString(obj, "fileName");
// This is a piece of a Flame project JSON pulled out into the file metadata (here) for convenience
// It is also optional
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type = File::Type::SingleFile;
if (fileName.endsWith(".zip")) {
// this is probably a resource pack
targetFolder = "resourcepacks";
} else {
// this is probably a mod, dunno what else could modpacks download
targetFolder = "mods";
}
// get the hash
hash = QString();
auto hashes = Json::ensureArray(obj, "hashes");
for(QJsonValueRef item : hashes) {
auto hobj = Json::requireObject(item);
auto algo = Json::requireInteger(hobj, "algo");
auto value = Json::requireString(hobj, "value");
if (algo == 1) {
hash = value;
}
}
// may throw, if the project is blocked
QString rawUrl = Json::ensureString(obj, "downloadUrl");
url = QUrl(rawUrl, QUrl::TolerantMode);
if (!url.isValid() && throw_on_blocked) {
throw JSONValidationError(QString("Invalid URL: %1").arg(rawUrl));
}
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resolved = true;
return true;
}