public void ReadTest()
{
var reader = new MemoryBigEndianReader(Bytes);
Assert.Equal(8, reader.ReadByte());
Assert.Equal(8, reader.ReadInt16());
Assert.Equal(8, reader.ReadInt32());
Assert.Equal(8, reader.ReadInt64());
Assert.Throws <EndOfStreamException>(() => reader.ReadByte());
}
public void NoChange()
{
var reader = new MemoryBigEndianReader(Resources.HelloWorld);
var classFile = JavaClassFile.FromReader(reader);
using (var stream = new MemoryStream())
{
var writer = new BigEndianStreamWriter(stream);
classFile.Write(new WritingContext(writer));
Assert.Equal(Resources.HelloWorld, stream.ToArray());
}
}
internal MethodDefinition(JavaClassImage classImage, MethodInfo methodInfo)
{
// Name
_name = new LazyValue <string>(() =>
classImage.ClassFile.ConstantPool.ResolveString(methodInfo.NameIndex) ?? $"<<<INVALID({methodInfo.NameIndex})>>>");
// Flags
AccessFlags = methodInfo.AccessFlags;
//Descriptor
_descriptor = new LazyValue <MethodDescriptor>(() =>
classImage.ResolveMethodDescriptor(methodInfo.DescriptorIndex));
// Attributes
foreach (var attribute in methodInfo.Attributes)
{
string name = classImage.ClassFile.ConstantPool.ResolveString(attribute.NameIndex);
switch (name)
{
// Code
case CodeAttribute.AttributeName:
_body = new LazyValue <ByteCodeMethodBody>(() =>
{
var reader = new MemoryBigEndianReader(attribute.Contents);
return(new ByteCodeMethodBody(classImage, CodeAttribute.FromReader(reader)));
});
break;
// Exceptions
case ExceptionsAttribute.AttributeName:
_exceptions = new LazyValue <IList <ClassReference> >(() =>
{
var reader = new MemoryBigEndianReader(attribute.Contents);
var attr = ExceptionsAttribute.FromReader(reader);
return(attr.Exceptions
.Select(index => classImage.ResolveClass(index))
.ToList());
});
break;
default:
ExtraAttributes.Add(name, attribute.Clone());
break;
}
}
}
public static JavaClassFile FromFile(string path)
{
var reader = new MemoryBigEndianReader(File.ReadAllBytes(path));
return(FromReader(reader));
}
