public LongDoubleInfo(ref ReadOnlySpan <byte> fileData, ConstantPoolTag tag) : base(tag)
{
HighBytes = (int)fileData.ReadFourBytes();
LowBytes = (int)fileData.ReadFourBytes();
LongValue = (long)((((ulong)HighBytes) << 32) & (ulong)LowBytes);
}
public XElement Convert(BinaryFormat source)
{
DataReader reader = new DataReader(source.Stream)
{
Endianness = EndiannessMode.BigEndian,
DefaultEncoding = new EucJpEncoding()
};
// Read header
var magicStamp = reader.ReadUInt32();
if (magicStamp != 0xCAFEBABE)
{
throw new FormatException("Invalid MagicStamp CAFEBABE");
}
reader.ReadUInt16(); // Minor version
reader.ReadUInt16(); // Major version
// Read the constant pool
var textConstants = new Dictionary <int, string>();
var stringsIdx = new List <int>();
var constantPoolCount = reader.ReadUInt16();
for (int i = 0; i < constantPoolCount - 1; i++)
{
ConstantPoolTag tag = (ConstantPoolTag)reader.ReadByte();
if (tag == ConstantPoolTag.Utf8)
{
textConstants.Add(i, reader.ReadString(typeof(ushort)));
}
else if (tag == ConstantPoolTag.String)
{
stringsIdx.Add(reader.ReadUInt16() - 1);
}
else
{
reader.ReadBytes(GetConstantPoolItemInfoLength(tag));
}
}
// Generate the XML element
var xml = new XElement("StringConstants");
foreach (var index in stringsIdx)
{
// We are skipping some text with encoding issues
if (!textConstants.ContainsKey(index))
{
continue;
}
var xmlString = new XElement("StringConstant");
xmlString.SetAttributeValue("index", index);
xmlString.SetIndentedValue(textConstants[index].Replace("\0", ""), 3);
xml.Add(xmlString);
}
return(xml);
}
public Po Convert(BinaryFormat source)
{
DataReader reader = new DataReader(source.Stream)
{
Endianness = EndiannessMode.BigEndian,
DefaultEncoding = new EucJpEncoding()
};
// Read header
var magicStamp = reader.ReadUInt32();
if (magicStamp != 0xCAFEBABE)
{
throw new FormatException("Invalid MagicStamp CAFEBABE");
}
reader.ReadUInt16(); // Minor version
reader.ReadUInt16(); // Major version
// Read the constant pool
var textConstants = new Dictionary <int, string>();
var stringsIdx = new List <int>();
var constantPoolCount = reader.ReadUInt16();
for (int i = 0; i < constantPoolCount - 1; i++)
{
ConstantPoolTag tag = (ConstantPoolTag)reader.ReadByte();
if (tag == ConstantPoolTag.Utf8)
{
textConstants.Add(i, reader.ReadString(typeof(ushort)));
}
else if (tag == ConstantPoolTag.String)
{
stringsIdx.Add(reader.ReadUInt16() - 1);
}
else
{
reader.ReadBytes(GetConstantPoolItemInfoLength(tag));
}
}
// Generate the PO
Po po = new Po {
Header = new PoHeader("Xenosaga I", "*****@*****.**")
};
foreach (var index in stringsIdx)
{
po.Add(new PoEntry(textConstants[index].Replace("\0", ""))
{
Context = index.ToString()
});
}
return(po);
}
static int GetConstantPoolItemInfoLength(ConstantPoolTag tag)
{
switch (tag)
{
case ConstantPoolTag.Class:
return(2);
case ConstantPoolTag.FieldRef:
return(4);
case ConstantPoolTag.MethodRef:
return(4);
case ConstantPoolTag.InterfaceMethodRef:
return(4);
case ConstantPoolTag.String:
return(2);
case ConstantPoolTag.Integer:
return(4);
case ConstantPoolTag.Float:
return(4);
case ConstantPoolTag.Long:
return(8);
case ConstantPoolTag.Double:
return(8);
case ConstantPoolTag.NameAndType:
return(4);
case ConstantPoolTag.MethodHandle:
return(3);
case ConstantPoolTag.MethodType:
return(2);
case ConstantPoolTag.InvokeDynamic:
return(4);
default:
throw new FormatException("Unknown tag");
}
}
public InvokeDynamicInfo(ConstantPoolTag tag, ushort bootstrapMethodAttrIndex, ushort nameAndTypeIndex) :
base(tag)
{
BootstrapMethodAttrIndex = bootstrapMethodAttrIndex;
_nameAndTypeIndex = nameAndTypeIndex;
}
public MethodTypeInfo(ConstantPoolTag tag, ushort descriptorIndex) : base(tag)
{
_descriptorIndex = descriptorIndex;
}
public MethodHandleInfo(ConstantPoolTag tag, MethodHandleType referenceKind, ushort referenceIndex) : base(tag)
{
ReferenceKind = referenceKind;
_referenceIndex = referenceIndex;
}
public ConstantPoolInfo(ConstantPoolTag tag)
{
this.tag = tag;
}
public StringInfo(ConstantPoolTag tag, ushort stringIndex) : base(tag)
{
_stringIndex = stringIndex;
}
public ClassInfo(ConstantPoolTag tag, ushort nameIndex) : base(tag)
{
_nameIndex = nameIndex;
}
public FloatInfo(ConstantPoolTag tag, float value) : base(tag)
{
Value = value;
}
public IntegerInfo(ConstantPoolTag tag, int value) : base(tag)
{
Value = value;
}
public RefInfo(ref ReadOnlySpan <byte> fileData, ConstantPoolTag tag) : base(tag)
{
classIndex = fileData.ReadTwoBytes();
nameAndTypeIndex = fileData.ReadTwoBytes();
}
public ConstantPoolDescription(ConstantPoolTag tag, ByteSerializable info)
{
Tag = tag;
Info = info;
}
public ClassStringInfo(ref ReadOnlySpan <byte> fileData, ConstantPoolTag tag) : base(tag)
{
stringIndex = fileData.ReadTwoBytes();
}
protected CpInfo(ConstantPoolTag tag)
{
Tag = tag;
}
public ModuleOrPackageInfo(ConstantPoolTag tag, ushort nameIndex) : base(tag)
{
_nameIndex = nameIndex;
}
public LongInfo(ConstantPoolTag tag, long value) : base(tag)
{
Value = value;
}
public FieldOrMethodrefInfo(ConstantPoolTag tag, ushort classIndex, ushort nameAndTypeIndex) : base(tag)
{
_classIndex = classIndex;
_nameAndTypeIndex = nameAndTypeIndex;
}
public DoubleInfo(ConstantPoolTag tag, double value) : base(tag)
{
Value = value;
}
public NameAndTypeInfo(ConstantPoolTag tag, ushort nameIndex, ushort descriptorIndex) : base(tag)
{
_nameIndex = nameIndex;
_descriptorIndex = descriptorIndex;
}
public Utf8Info(ConstantPoolTag tag, ushort length, string data) : base(tag)
{
Data = data;
}
public BinaryFormat Convert(Po source)
{
if (OriginalStream == null)
{
throw new InvalidOperationException("Cannot convert from XML without original stream");
}
// Get the list of strings to change
Dictionary <int, string> textConstants = new Dictionary <int, string>();
foreach (var element in source.Entries)
{
int index = Int32.Parse(element.Context);
textConstants[index] = element.Translated ?? element.Original;
}
OriginalStream.Position = 0;
DataReader reader = new DataReader(OriginalStream)
{
Endianness = EndiannessMode.BigEndian,
DefaultEncoding = new EucJpEncoding()
};
BinaryFormat format = new BinaryFormat();
DataWriter writer = new DataWriter(format.Stream)
{
Endianness = EndiannessMode.BigEndian,
DefaultEncoding = new EucJpEncoding()
};
// Magic stamp + Version
writer.Write(reader.ReadBytes(8));
// Read pool and write into new stream changing texts
ushort poolCount = reader.ReadUInt16();
writer.Write(poolCount);
for (int i = 0; i < poolCount - 1; i++)
{
ConstantPoolTag tag = (ConstantPoolTag)reader.ReadByte();
writer.Write((byte)tag);
if (tag == ConstantPoolTag.Utf8)
{
var textData = reader.ReadBytes(reader.ReadUInt16());
if (textConstants.ContainsKey(i))
{
writer.Write(textConstants[i], typeof(ushort), textConstants[i].Length > 0);
}
else
{
writer.Write((ushort)textData.Length);
writer.Write(textData);
}
}
else
{
writer.Write(reader.ReadBytes(GetConstantPoolItemInfoLength(tag)));
}
}
// Write the rest of the file without changes
writer.Write(reader.ReadBytes((int)(OriginalStream.Length - OriginalStream.Position)));
// Clean to prevent errors
OriginalStream = null;
return(format);
}
public IntegerFloatInfo(ref ReadOnlySpan <byte> fileData, ConstantPoolTag tag) : base(tag)
{
IntegerValue = (int)fileData.ReadFourBytes();
}
