private void parseAssets(CrpHeader header, int index, bool saveFiles, bool isVerbose)
{
bool isNullFlag = reader.ReadBoolean();
if (!isNullFlag)
{
string assemblyQualifiedName = reader.ReadString();
string assetType = assemblyQualifiedName.Split(new char[] { ',' })[0];
long assetContentLen = header.assets[index].assetSize - (2 + assemblyQualifiedName.Length);
string assetName = reader.ReadString();
assetContentLen -= (1 + assetName.Length);
string fileName = string.Format("{0}_{1}_{2}", StrUtils.limitStr(assetName), index, header.assets[index].assetType.ToString());
assetParser.parseObject((int)assetContentLen, assetType, saveFiles, fileName, isVerbose);
}
}
public void parseFile(Options options)
{
string magicStr = new string(reader.ReadChars(4));
if (magicStr.Equals(Consts.MAGICSTR))
{
CrpHeader header = parseHeader();
if (options.SaveFiles)
{
string path = Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar + header.mainAssetName + "_contents";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
Environment.CurrentDirectory = (path);
}
if (options.Verbose)
{
Console.WriteLine(header);
}
if (options.SaveFiles)
{
StreamWriter file = new StreamWriter(new FileStream(header.mainAssetName + "_header.json", FileMode.Create));
string json = JsonConvert.SerializeObject(header, Formatting.Indented, new Newtonsoft.Json.Converters.StringEnumConverter());
file.Write(json);
file.Close();
}
if (header.isLut)
{
parseLut(header, options.SaveFiles, options.Verbose);
}
else
{
for (int i = 0; i < header.numAssets; i++)
{
parseAssets(header, i, options.SaveFiles, options.Verbose);
}
}
}
else
{
throw new InvalidDataException("Invalid file format!");
}
}
private CrpHeader parseHeader()
{
CrpHeader output = new CrpHeader();
output.formatVersion = reader.ReadUInt16();
output.packageName = reader.ReadString();
string encryptedAuthor = reader.ReadString();
if (encryptedAuthor.Length > 0)
{
output.authorName = CryptoUtils.Decrypt(encryptedAuthor);
}
else
{
output.authorName = "Unknown";
}
output.pkgVersion = reader.ReadUInt32();
output.mainAssetName = reader.ReadString();
output.numAssets = reader.ReadInt32();
output.contentBeginIndex = reader.ReadInt64();
output.assets = new List <CrpAssetInfoHeader>();
for (int i = 0; i < output.numAssets; i++)
{
CrpAssetInfoHeader info = new CrpAssetInfoHeader();
info.assetName = reader.ReadString();
info.assetChecksum = reader.ReadString();
info.assetType = (Consts.AssetTypeMapping)(reader.ReadInt32());
if (info.assetType == Consts.AssetTypeMapping.userLut)
{
output.isLut = true;
}
info.assetOffsetBegin = reader.ReadInt64();
info.assetSize = reader.ReadInt64();
output.assets.Add(info);
}
return(output);
}
/// <summary>
/// Special Parser for LUTs, we're only grabbing the headerless PNG file (for now)
/// </summary>
/// <param name="header"></param>
/// <param name="saveFiles"></param>
/// <param name="isVerbose"></param>
private void parseLut(CrpHeader header, bool saveFiles, bool isVerbose)
{
//Find the first instance of data(PNG file)
CrpAssetInfoHeader info = header.assets.Find(asset => asset.assetName.Contains(Consts.DATA_EXTENSION));
//Generate a name for the file
string fileName = string.Format("{0}.png", StrUtils.limitStr(info.assetName), info.assetType.ToString());
//Should be unnessecary in current version(stream pointer should already be at start of file),
//but advance stream pointer to file position
reader.BaseStream.Seek(info.assetOffsetBegin, SeekOrigin.Current);
//Read file and deal with it as apporiate.
MagickImage retVal = ImgParser.parseImgFile(reader, (uint)info.assetSize);
if (isVerbose)
{
Console.WriteLine("Read image file {0}", fileName);
}
if (saveFiles)
{
retVal.Write(fileName);
}
}
private void parseAssets(CrpHeader header, int index, bool saveFiles, bool isVerbose)
{
bool isNullFlag = reader.ReadBoolean();
if (!isNullFlag)
{
string assemblyQualifiedName = reader.ReadString();
string assetType = assemblyQualifiedName.Split(new char[] { ',' })[0];
long assetContentLen = header.assets[index].assetSize - (2 + assemblyQualifiedName.Length);
string assetName = reader.ReadString();
assetContentLen -= (1 + assetName.Length);
string fileName = string.Format("{0}_{1}_{2}", StrUtils.limitStr(assetName), index, header.assets[index].assetType.ToString());
assetParser.parseObject((int)assetContentLen, assetType, saveFiles, fileName, isVerbose);
}
}
/// <summary>
/// Special Parser for LUTs, we're only grabbing the headerless PNG file (for now)
/// </summary>
/// <param name="header"></param>
/// <param name="saveFiles"></param>
/// <param name="isVerbose"></param>
private void parseLut(CrpHeader header, bool saveFiles, bool isVerbose)
{
//Find the first instance of data(PNG file)
CrpAssetInfoHeader info = header.assets.Find(asset => asset.assetName.Contains(Consts.DATA_EXTENSION));
//Generate a name for the file
string fileName = string.Format("{0}.png", StrUtils.limitStr(info.assetName), info.assetType.ToString());
//Should be unnessecary in current version(stream pointer should already be at start of file),
//but advance stream pointer to file position
reader.BaseStream.Seek(info.assetOffsetBegin, SeekOrigin.Current);
//Read file and deal with it as apporiate.
MagickImage retVal = ImgParser.parseImgFile(reader, (uint)info.assetSize);
if (isVerbose)
{
Console.WriteLine("Read image file {0}", fileName);
}
if (saveFiles)
{
retVal.Write(fileName);
}
}
private CrpHeader parseHeader()
{
CrpHeader output = new CrpHeader();
output.formatVersion = reader.ReadUInt16();
output.packageName = reader.ReadString();
string encryptedAuthor = reader.ReadString();
if (encryptedAuthor.Length > 0)
{
output.authorName = CryptoUtils.Decrypt(encryptedAuthor);
}
else
{
output.authorName = "Unknown";
}
output.pkgVersion = reader.ReadUInt32();
output.mainAssetName = reader.ReadString();
output.numAssets = reader.ReadInt32();
output.contentBeginIndex = reader.ReadInt64();
output.assets = new List<CrpAssetInfoHeader>();
for (int i = 0; i < output.numAssets; i++)
{
CrpAssetInfoHeader info = new CrpAssetInfoHeader();
info.assetName = reader.ReadString();
info.assetChecksum = reader.ReadString();
info.assetType = (Consts.AssetTypeMapping)(reader.ReadInt32());
if(info.assetType == Consts.AssetTypeMapping.userLut)
{
output.isLut = true;
}
info.assetOffsetBegin = reader.ReadInt64();
info.assetSize = reader.ReadInt64();
output.assets.Add(info);
}
return output;
}
