public static TypeHandler GenerateHandler(string readerName, Type type)
{
TypeHandler handler = null;
string typeName = getTypeName(readerName, type);
if (type == null)
{
type = FmbHelper.FindType(typeName);
}
FmbHelper.Log("Generating TypeHandler for " + typeName);
Assembly assembly = Assembly.GetExecutingAssembly();
if (ManifestResourceNames == null)
{
ManifestResourceNames = assembly.GetManifestResourceNames();
}
string path = null;
string comparisonReader = typeName + "Reader.txt";
string comparisonHandler = typeName + "Handler.txt";
for (int i = 0; i < ManifestResourceNames.Length; i++)
{
if (
ManifestResourceNames[i].EndsWith(comparisonReader) ||
ManifestResourceNames[i].EndsWith(comparisonHandler)
)
{
path = ManifestResourceNames[i];
break;
}
}
FmbHelper.Log("Generating TypeHandler<" + typeName + "> from " + path);
string source;
using (Stream s = assembly.GetManifestResourceStream(path)) {
if (s == null)
{
FmbHelper.Log("Resource cannot be loaded.");
return(null);
}
using (StreamReader sr = new StreamReader(s)) {
source = GenerateHandlerSource(sr, typeName, type);
}
}
CompilerParameters parameters = new CompilerParameters();
parameters.GenerateInMemory = true;
parameters.CompilerOptions = "/optimize";
AssemblyName[] references = assembly.GetReferencedAssemblies();
for (int i = 0; i < references.Length; i++)
{
parameters.ReferencedAssemblies.Add(references[i].Name);
}
parameters.ReferencedAssemblies.Add(assembly.Location);
for (int i = 0; i < GeneratedTypeHandlerAssemblies.Count; i++)
{
string reference = GeneratedTypeHandlerAssemblies[i];
if (parameters.ReferencedAssemblies.Contains(reference))
{
continue;
}
parameters.ReferencedAssemblies.Add(reference);
}
using (CSharpCodeProvider provider = new CSharpCodeProvider()) {
try {
CompilerResults results = provider.CompileAssemblyFromSource(parameters, source);
if (results.Errors.HasErrors)
{
FmbHelper.Log("Errors while generating TypeHandler:");
foreach (CompilerError error in results.Errors)
{
FmbHelper.Log(error.ToString());
}
FmbHelper.Log("GeneratedTypeHandler source:");
FmbHelper.Log(source);
FmbHelper.Log("Referenced assemblies:");
for (int i = 0; i < parameters.ReferencedAssemblies.Count; i++)
{
FmbHelper.Log(parameters.ReferencedAssemblies[i]);
}
}
else
{
Type compiledType = results.CompiledAssembly.GetType("JIT" + typeName + "Handler");
handler = (TypeHandler)compiledType.GetConstructor(new Type[0]).Invoke(new object[0]);
}
} catch (Exception e) {
FmbHelper.Log("Error while generating TypeHandler:");
FmbHelper.Log(e.ToString());
FmbHelper.Log("GeneratedTypeHandler source:");
FmbHelper.Log(source);
FmbHelper.Log("Referenced assemblies:");
for (int i = 0; i < parameters.ReferencedAssemblies.Count; i++)
{
FmbHelper.Log(parameters.ReferencedAssemblies[i]);
}
}
}
return(handler);
}
private static object[] readXNB(ref BinaryReader reader)
{
reader.ReadByte(); //w
reader.ReadByte(); //0x05
byte flagBits = reader.ReadByte();
bool isCompressed = (flagBits & 0x80) == 0x80;
int size = reader.ReadInt32(); //file size, optionally compressed size
//FmbLib is currently forced to use an extension for Lzx.
//Most, if not all current Lzx decompressors in C# require
//FmbLib to become MSPL / LGPL, not MIT. This further would
//cause other dependencies to need to change their licenses, too.
if (isCompressed)
{
if (FmbUtil.Setup.CreateLzxDecompressor == null)
{
throw new InvalidOperationException("Cannot read compressed XNBs with FmbUtil.Setup.CreateLzxDecompressor == null");
}
byte[] buffer = new byte[reader.ReadInt32()];
MemoryStream stream = new MemoryStream(buffer, 0, buffer.Length, true, true);
ILzxDecompressor lzx = FmbUtil.Setup.CreateLzxDecompressor(16);
long startPos = reader.BaseStream.Position;
long pos = startPos;
while (pos - startPos < (size - 14))
{
int high = reader.BaseStream.ReadByte();
int low = reader.BaseStream.ReadByte();
int blockSize = (high << 8) | low;
int frameSize = 0x8000;
if (high == 0xFF)
{
high = low;
low = reader.BaseStream.ReadByte();
frameSize = (high << 8) | low;
high = reader.BaseStream.ReadByte();
low = reader.BaseStream.ReadByte();
blockSize = (high << 8) | low;
pos += 5;
}
else
{
pos += 2;
}
if (blockSize == 0 || frameSize == 0)
{
break;
}
lzx.Decompress(reader.BaseStream, blockSize, stream, frameSize);
pos += blockSize;
reader.BaseStream.Seek(pos, SeekOrigin.Begin);
}
stream.Seek(0, SeekOrigin.Begin);
reader.Close();
reader = new BinaryReader(stream);
}
string[] readerNames = new string[reader.Read7BitEncodedInt()];
TypeHandler[] handlers = new TypeHandler[readerNames.Length];
for (int i = 0; i < readerNames.Length; i++)
{
readerNames[i] = reader.ReadString();
reader.ReadInt32(); //reader version
//FmbHelper.Log("debug: handler: " + i + ": " + readerNames[i]);
handlers[i] = GetTypeHandler(readerNames[i]);
}
object[] sharedResources = new object[reader.Read7BitEncodedInt()];
return(new object[] { readerNames, handlers, sharedResources, reader.Read7BitEncodedInt() - 1 });
}
