pollymc/logic/VersionFile.cpp

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2014-03-02 03:36:47 +05:30
#include <QJsonArray>
#include <QJsonDocument>
#include <modutils.h>
#include "logger/QsLog.h"
#include "logic/VersionFile.h"
#include "logic/OneSixLibrary.h"
#include "logic/VersionFinal.h"
#define CURRENT_MINIMUM_LAUNCHER_VERSION 14
VersionFile::Library VersionFile::Library::fromJson(const QJsonObject &libObj,
const QString &filename, bool &isError)
{
isError = true;
Library out;
if (!libObj.contains("name"))
{
QLOG_ERROR() << filename << "contains a library that doesn't have a 'name' field";
return out;
}
out.name = libObj.value("name").toString();
auto readString = [libObj, filename](const QString & key, QString & variable)
{
if (libObj.contains(key))
{
QJsonValue val = libObj.value(key);
if (!val.isString())
{
QLOG_WARN() << key << "is not a string in" << filename << "(skipping)";
}
else
{
variable = val.toString();
}
}
};
readString("url", out.url);
readString("MMC-hint", out.hint);
readString("MMC-absulute_url", out.absoluteUrl);
readString("MMC-absoluteUrl", out.absoluteUrl);
if (libObj.contains("extract"))
{
if (!libObj.value("extract").isObject())
{
QLOG_ERROR() << filename
<< "contains a library with an 'extract' field that's not an object";
return out;
}
QJsonObject extractObj = libObj.value("extract").toObject();
if (!extractObj.contains("exclude") || !extractObj.value("exclude").isArray())
{
QLOG_ERROR() << filename << "contains a library with an invalid 'extract' field";
return out;
}
out.applyExcludes = true;
QJsonArray excludeArray = extractObj.value("exclude").toArray();
for (auto excludeVal : excludeArray)
{
if (!excludeVal.isString())
{
QLOG_WARN() << filename << "contains a library that contains an 'extract' "
"field that contains an invalid 'exclude' entry "
"(skipping)";
}
else
{
out.excludes.append(excludeVal.toString());
}
}
}
if (libObj.contains("natives"))
{
if (!libObj.value("natives").isObject())
{
QLOG_ERROR() << filename
<< "contains a library with a 'natives' field that's not an object";
return out;
}
out.applyNatives = true;
QJsonObject nativesObj = libObj.value("natives").toObject();
for (auto it = nativesObj.begin(); it != nativesObj.end(); ++it)
{
if (!it.value().isString())
{
QLOG_WARN() << filename << "contains an invalid native (skipping)";
}
OpSys opSys = OpSys_fromString(it.key());
if (opSys != Os_Other)
{
out.natives.append(qMakePair(opSys, it.value().toString()));
}
}
}
if (libObj.contains("rules"))
{
out.applyRules = true;
out.rules = rulesFromJsonV4(libObj);
}
isError = false;
return out;
}
VersionFile VersionFile::fromJson(const QJsonDocument &doc, const QString &filename,
const bool requireOrder, bool &isError, const bool isFTB)
{
VersionFile out;
isError = true;
if (doc.isEmpty() || doc.isNull())
{
QLOG_ERROR() << filename << "is empty or null";
return out;
}
if (!doc.isObject())
{
QLOG_ERROR() << "The root of" << filename << "is not an object";
return out;
}
QJsonObject root = doc.object();
if (requireOrder)
{
if (root.contains("order"))
{
if (root.value("order").isDouble())
{
out.order = root.value("order").toDouble();
}
else
{
QLOG_ERROR() << "'order' field contains an invalid value in" << filename;
return out;
}
}
else
{
QLOG_ERROR() << filename << "doesn't contain an order field";
}
}
out.name = root.value("name").toString();
out.fileId = root.value("fileId").toString();
out.version = root.value("version").toString();
out.mcVersion = root.value("mcVersion").toString();
out.filename = filename;
auto readString = [root, filename](const QString & key, QString & variable)
{
if (root.contains(key))
{
QJsonValue val = root.value(key);
if (!val.isString())
{
QLOG_WARN() << key << "is not a string in" << filename << "(skipping)";
}
else
{
variable = val.toString();
}
}
};
// FTB id attribute is completely bogus. We ignore it.
if (!isFTB)
{
readString("id", out.id);
}
readString("mainClass", out.mainClass);
readString("processArguments", out.processArguments);
readString("minecraftArguments", out.overwriteMinecraftArguments);
readString("+minecraftArguments", out.addMinecraftArguments);
readString("-minecraftArguments", out.removeMinecraftArguments);
readString("type", out.type);
readString("releaseTime", out.releaseTime);
readString("time", out.time);
readString("assets", out.assets);
if (root.contains("minimumLauncherVersion"))
{
QJsonValue val = root.value("minimumLauncherVersion");
if (!val.isDouble())
{
QLOG_WARN() << "minimumLauncherVersion is not an int in" << filename
<< "(skipping)";
}
else
{
out.minimumLauncherVersion = val.toDouble();
}
}
if (root.contains("tweakers"))
{
QJsonValue tweakersVal = root.value("tweakers");
if (!tweakersVal.isArray())
{
QLOG_ERROR() << filename << "contains a 'tweakers' field, but it's not an array";
return out;
}
out.shouldOverwriteTweakers = true;
QJsonArray tweakers = root.value("tweakers").toArray();
for (auto tweakerVal : tweakers)
{
if (!tweakerVal.isString())
{
QLOG_ERROR() << filename
<< "contains a 'tweakers' field entry that's not a string";
return out;
}
out.overwriteTweakers.append(tweakerVal.toString());
}
}
if (root.contains("+tweakers"))
{
QJsonValue tweakersVal = root.value("+tweakers");
if (!tweakersVal.isArray())
{
QLOG_ERROR() << filename << "contains a '+tweakers' field, but it's not an array";
return out;
}
QJsonArray tweakers = root.value("+tweakers").toArray();
for (auto tweakerVal : tweakers)
{
if (!tweakerVal.isString())
{
QLOG_ERROR() << filename
<< "contains a '+tweakers' field entry that's not a string";
return out;
}
out.addTweakers.append(tweakerVal.toString());
}
}
if (root.contains("-tweakers"))
{
QJsonValue tweakersVal = root.value("-tweakers");
if (!tweakersVal.isArray())
{
QLOG_ERROR() << filename << "contains a '-tweakers' field, but it's not an array";
return out;
}
out.shouldOverwriteTweakers = true;
QJsonArray tweakers = root.value("-tweakers").toArray();
for (auto tweakerVal : tweakers)
{
if (!tweakerVal.isString())
{
QLOG_ERROR() << filename
<< "contains a '-tweakers' field entry that's not a string";
return out;
}
out.removeTweakers.append(tweakerVal.toString());
}
}
if (root.contains("libraries"))
{
out.shouldOverwriteLibs = !isFTB;
QJsonValue librariesVal = root.value("libraries");
if (!librariesVal.isArray())
{
QLOG_ERROR() << filename << "contains a 'libraries' field, but its not an array";
return out;
}
QJsonArray librariesArray = librariesVal.toArray();
for (auto libVal : librariesArray)
{
if (!libVal.isObject())
{
QLOG_ERROR() << filename << "contains a library that's not an object";
return out;
}
QJsonObject libObj = libVal.toObject();
bool error;
Library lib = Library::fromJson(libObj, filename, error);
if (error)
{
QLOG_ERROR() << "Error while reading a library entry in" << filename;
return out;
}
if (isFTB)
{
lib.hint = "local";
lib.insertType = Library::Prepend;
out.addLibs.prepend(lib);
}
else
{
out.overwriteLibs.append(lib);
}
}
}
if (root.contains("+libraries"))
{
QJsonValue librariesVal = root.value("+libraries");
if (!librariesVal.isArray())
{
QLOG_ERROR() << filename << "contains a '+libraries' field, but its not an array";
return out;
}
QJsonArray librariesArray = librariesVal.toArray();
for (auto libVal : librariesArray)
{
if (!libVal.isObject())
{
QLOG_ERROR() << filename << "contains a library that's not an object";
return out;
}
QJsonObject libObj = libVal.toObject();
bool error;
Library lib = Library::fromJson(libObj, filename, error);
if (error)
{
QLOG_ERROR() << "Error while reading a library entry in" << filename;
return out;
}
if (!libObj.contains("insert"))
{
QLOG_ERROR() << "Missing 'insert' field in '+libraries' field in" << filename;
return out;
}
QJsonValue insertVal = libObj.value("insert");
QString insertString;
{
if (insertVal.isString())
{
insertString = insertVal.toString();
}
else if (insertVal.isObject())
{
QJsonObject insertObj = insertVal.toObject();
if (insertObj.isEmpty())
{
QLOG_ERROR() << "One library has an empty insert object in" << filename;
return out;
}
insertString = insertObj.keys().first();
lib.insertData = insertObj.value(insertString).toString();
}
}
if (insertString == "apply")
{
lib.insertType = Library::Apply;
}
else if (insertString == "prepend")
{
lib.insertType = Library::Prepend;
}
else if (insertString == "append")
{
lib.insertType = Library::Prepend;
}
else if (insertString == "replace")
{
lib.insertType = Library::Replace;
}
else
{
QLOG_ERROR() << "A '+' library in" << filename
<< "contains an invalid insert type";
return out;
}
if (libObj.contains("MMC-depend") && libObj.value("MMC-depend").isString())
{
const QString dependString = libObj.value("MMC-depend").toString();
if (dependString == "hard")
{
lib.dependType = Library::Hard;
}
else if (dependString == "soft")
{
lib.dependType = Library::Soft;
}
else
{
QLOG_ERROR() << "A '+' library in" << filename
<< "contains an invalid depend type";
return out;
}
}
out.addLibs.append(lib);
}
}
if (root.contains("-libraries"))
{
QJsonValue librariesVal = root.value("-libraries");
if (!librariesVal.isArray())
{
QLOG_ERROR() << filename << "contains a '-libraries' field, but its not an array";
return out;
}
QJsonArray librariesArray = librariesVal.toArray();
for (auto libVal : librariesArray)
{
if (!libVal.isObject())
{
QLOG_ERROR() << filename << "contains a library that's not an object";
return out;
}
QJsonObject libObj = libVal.toObject();
if (!libObj.contains("name"))
{
QLOG_ERROR() << filename << "contains a library without a name";
return out;
}
if (!libObj.value("name").isString())
{
QLOG_ERROR() << filename << "contains a library without a valid 'name' field";
return out;
}
out.removeLibs.append(libObj.value("name").toString());
}
}
isError = false;
return out;
}
std::shared_ptr<OneSixLibrary> VersionFile::createLibrary(const VersionFile::Library &lib)
{
std::shared_ptr<OneSixLibrary> out(new OneSixLibrary(lib.name));
if (!lib.url.isEmpty())
{
out->setBaseUrl(lib.url);
}
out->setHint(lib.hint);
if (!lib.absoluteUrl.isEmpty())
{
out->setAbsoluteUrl(lib.absoluteUrl);
}
out->setAbsoluteUrl(lib.absoluteUrl);
out->extract_excludes = lib.excludes;
for (auto native : lib.natives)
{
out->addNative(native.first, native.second);
}
out->setRules(lib.rules);
out->finalize();
return out;
}
int VersionFile::findLibrary(QList<std::shared_ptr<OneSixLibrary>> haystack,
const QString &needle)
{
for (int i = 0; i < haystack.size(); ++i)
{
if (QRegExp(needle, Qt::CaseSensitive, QRegExp::WildcardUnix)
.indexIn(haystack.at(i)->rawName()) != -1)
{
return i;
}
}
return -1;
}
VersionFile::ApplyError VersionFile::applyTo(VersionFinal *version)
{
if (minimumLauncherVersion != -1)
{
if (minimumLauncherVersion > CURRENT_MINIMUM_LAUNCHER_VERSION)
{
QLOG_ERROR() << filename << "is for a different launcher version ("
<< minimumLauncherVersion << "), current supported is"
<< CURRENT_MINIMUM_LAUNCHER_VERSION;
return LauncherVersionError;
}
}
if (!version->id.isNull() && !mcVersion.isNull())
{
if (QRegExp(mcVersion, Qt::CaseInsensitive, QRegExp::Wildcard).indexIn(version->id) ==
-1)
{
QLOG_ERROR() << filename << "is for a different version of Minecraft";
return OtherError;
}
}
if (!id.isNull())
{
version->id = id;
}
if (!mainClass.isNull())
{
version->mainClass = mainClass;
}
if (!processArguments.isNull())
{
version->processArguments = processArguments;
}
if (!type.isNull())
{
version->type = type;
}
if (!releaseTime.isNull())
{
version->releaseTime = releaseTime;
}
if (!time.isNull())
{
version->time = time;
}
if (!assets.isNull())
{
version->assets = assets;
}
if (minimumLauncherVersion >= 0)
{
version->minimumLauncherVersion = minimumLauncherVersion;
}
if (!overwriteMinecraftArguments.isNull())
{
version->minecraftArguments = overwriteMinecraftArguments;
}
if (!addMinecraftArguments.isNull())
{
version->minecraftArguments += addMinecraftArguments;
}
if (!removeMinecraftArguments.isNull())
{
version->minecraftArguments.remove(removeMinecraftArguments);
}
if (shouldOverwriteTweakers)
{
version->tweakers = overwriteTweakers;
}
for (auto tweaker : addTweakers)
{
version->tweakers += tweaker;
}
for (auto tweaker : removeTweakers)
{
version->tweakers.removeAll(tweaker);
}
if (shouldOverwriteLibs)
{
version->libraries.clear();
for (auto lib : overwriteLibs)
{
version->libraries.append(createLibrary(lib));
}
}
for (auto lib : addLibs)
{
switch (lib.insertType)
{
case Library::Apply:
{
int index = findLibrary(version->libraries, lib.name);
if (index >= 0)
{
auto library = version->libraries[index];
if (!lib.url.isNull())
{
library->setBaseUrl(lib.url);
}
if (!lib.hint.isNull())
{
library->setHint(lib.hint);
}
if (!lib.absoluteUrl.isNull())
{
library->setAbsoluteUrl(lib.absoluteUrl);
}
if (lib.applyExcludes)
{
library->extract_excludes = lib.excludes;
}
if (lib.applyNatives)
{
library->clearSuffixes();
for (auto native : lib.natives)
{
library->addNative(native.first, native.second);
}
}
if (lib.applyRules)
{
library->setRules(lib.rules);
}
library->finalize();
}
else
{
QLOG_WARN() << "Couldn't find" << lib.insertData << "(skipping)";
}
break;
}
case Library::Append:
case Library::Prepend:
{
const int startOfVersion = lib.name.lastIndexOf(':') + 1;
const int index = findLibrary(
version->libraries, QString(lib.name).replace(startOfVersion, INT_MAX, '*'));
if (index < 0)
{
if (lib.insertType == Library::Append)
{
version->libraries.append(createLibrary(lib));
}
else
{
version->libraries.prepend(createLibrary(lib));
}
}
else
{
auto otherLib = version->libraries.at(index);
const Util::Version ourVersion = lib.name.mid(startOfVersion, INT_MAX);
const Util::Version otherVersion = otherLib->version();
// if the existing version is a hard dependency we can either use it or
// fail, but we can't change it
if (otherLib->dependType == OneSixLibrary::Hard)
{
// we need a higher version, or we're hard to and the versions aren't
// equal
if (ourVersion > otherVersion ||
(lib.dependType == Library::Hard && ourVersion != otherVersion))
{
QLOG_ERROR() << "Error resolving library dependencies between"
<< otherLib->rawName() << "and" << lib.name << "in"
<< filename;
return OtherError;
}
else
{
// the library is already existing, so we don't have to do anything
}
}
else if (otherLib->dependType == OneSixLibrary::Soft)
{
// if we are higher it means we should update
if (ourVersion > otherVersion)
{
auto library = createLibrary(lib);
if (Util::Version(otherLib->minVersion) < ourVersion)
{
library->minVersion = ourVersion.toString();
}
version->libraries.replace(index, library);
}
else
{
// our version is smaller than the existing version, but we require
// it: fail
if (lib.dependType == Library::Hard)
{
QLOG_ERROR() << "Error resolving library dependencies between"
<< otherLib->rawName() << "and" << lib.name << "in"
<< filename;
return OtherError;
}
}
}
}
break;
}
case Library::Replace:
{
int index = findLibrary(version->libraries, lib.insertData);
if (index >= 0)
{
version->libraries.replace(index, createLibrary(lib));
}
else
{
QLOG_WARN() << "Couldn't find" << lib.insertData << "(skipping)";
}
break;
}
}
}
for (auto lib : removeLibs)
{
int index = findLibrary(version->libraries, lib);
if (index >= 0)
{
version->libraries.removeAt(index);
}
else
{
QLOG_WARN() << "Couldn't find" << lib << "(skipping)";
}
}
VersionFinal::VersionFile versionFile;
versionFile.name = name;
versionFile.id = fileId;
versionFile.version = this->version;
versionFile.mcVersion = mcVersion;
versionFile.filename = filename;
versionFile.order = order;
version->versionFiles.append(versionFile);
return NoApplyError;
}