/**
* Registers FFI ruby classes/modules
*
* @param module the module to register the classes under
*/
public void init(Ruby runtime, RubyModule ffi) {
synchronized (ffi) {
if (ffi.getClass("Type") == null) {
Type.createTypeClass(runtime, ffi);
}
DataConverter.createDataConverterModule(runtime, ffi);
if (ffi.getClass(AbstractMemory.ABSTRACT_MEMORY_RUBY_CLASS) == null) {
AbstractMemory.createAbstractMemoryClass(runtime, ffi);
}
if (ffi.getClass("Buffer") == null) {
Buffer.createBufferClass(runtime, ffi);
}
if (ffi.getClass("Pointer") == null) {
Pointer.createPointerClass(runtime, ffi);
}
if (ffi.getClass("AutoPointer") == null) {
AutoPointer.createAutoPointerClass(runtime, ffi);
}
if (ffi.getClass("MemoryPointer") == null) {
MemoryPointer.createMemoryPointerClass(runtime, ffi);
}
if (ffi.getClass("Struct") == null) {
Struct.createStructClass(runtime, ffi);
}
if (ffi.getClass(StructLayout.CLASS_NAME) == null) {
StructLayout.createStructLayoutClass(runtime, ffi);
}
if (ffi.getClass("StructByValue") == null) {
StructByValue.createStructByValueClass(runtime, ffi);
}
if (ffi.getClass(AbstractInvoker.CLASS_NAME) == null) {
AbstractInvoker.createAbstractInvokerClass(runtime, ffi);
}
if (ffi.getClass(CallbackInfo.CLASS_NAME) == null) {
CallbackInfo.createCallbackInfoClass(runtime, ffi);
}
if (ffi.getClass("Enum") == null) {
Enum.createEnumClass(runtime, ffi);
}
if (ffi.getClass("Type").getClass("Mapped") == null) {
MappedType.createConverterTypeClass(runtime, ffi);
}
if (ffi.getClass(FileDescriptorIO.CLASS_NAME) == null) {
FileDescriptorIO.createFileDescriptorIOClass(runtime, ffi);
}
ffi.setConstant("TypeDefs", RubyHash.newHash(runtime));
Platform.createPlatformModule(runtime, ffi);
IOModule.createIOModule(runtime, ffi);
StructByReference.createStructByReferenceClass(runtime, ffi);
}
}
public void put(
ThreadContext context, Storage cache, Member m, IRubyObject ptr, IRubyObject value) {
final IRubyObject nativeValue = mappedType.toNative(context, value);
nativeFieldIO.put(context, cache, m, ptr, nativeValue);
if (isValueReferenceNeeded()) {
// keep references to both the ruby and native values to preserve
// reference chains
cache.putReference(m, new Object[] {value, nativeValue});
}
}
public final IRubyObject get(ThreadContext context, Storage cache, Member m, IRubyObject ptr) {
return mappedType.fromNative(context, nativeFieldIO.get(context, nullStorage, m, ptr));
}
public final boolean isValueReferenceNeeded() {
return nativeFieldIO.isValueReferenceNeeded() || mappedType.isReferenceRequired();
}
public IRubyObject toNative(ThreadContext context, IRubyObject obj) {
return converter.toNative(context, obj);
}
public NativeType nativeType() {
return converter.getRealType().getNativeType();
}
public MappedDataConverter(MappedType converter) {
super(converter.isReferenceRequired(), converter.isPostInvokeRequired());
this.converter = converter;
}