public override void Dispose()
{
if (_disposedFlag.Set())
{
lock (_executionSynchronizer)
{
if (_jsContext != null)
{
_jsContext.Dispose();
_jsContext = null;
}
if (_jsEngine != null)
{
_jsEngine.Dispose();
_jsEngine = null;
}
if (_hostItems != null)
{
_hostItems.Clear();
}
}
}
}
/// <summary>
/// 将js对象转化成.net对象
/// added by chuan.yin in 2017/5/16
/// </summary>
/// <param name="context"></param>
/// <param name="obj"></param>
/// <returns></returns>
private object Convert2Object(OriginalJsContext context, object obj)
{
if (obj is JsObject)
{
var dic = new Dictionary <string, object>();
var jo = (JsObject)obj;
foreach (var item in context.GetMemberNames(jo))
{
var v = context.GetPropertyValue(jo, item);
dic.Add(item, Convert2Object(context, v));
}
return(dic);
}
else if (obj is DateTime)
{
return(((DateTime)obj).ToLocalTime());
}
else if (obj is JsFunction)
{
var jf = (JsFunction)obj;
return(jf.ToString());
}
else
{
return(obj);
}
}
public JsObject(JsContext context, IntPtr ptr)
{
if (ptr == IntPtr.Zero)
throw new ArgumentException("can't wrap an empty object (ptr is Zero)", "ptr");
_context = context;
_handle = ptr;
}
public JsFunction(JsContext context, IntPtr funcPtr, IntPtr thisPtr)
{
if (context == null)
throw new ArgumentNullException("context");
if (funcPtr == IntPtr.Zero)
throw new ArgumentException("can't wrap an empty function (ptr is Zero)", "ptr");
_context = context;
_funcPtr = funcPtr;
_thisPtr = thisPtr;
}
/// <summary>
/// Constructs an instance of adapter for the Vroom JS engine
/// (cross-platform bridge to the V8 JS engine)
/// </summary>
/// <param name="settings">Settings of the Vroom JS engine</param>
public EFFCVroomJsEngine(EFFCVroomSettings settings)
{
EFFCVroomSettings vroomSettings = settings ?? new EFFCVroomSettings();
try
{
_jsEngine = new OriginalJsEngine(vroomSettings.MaxYoungSpaceSize,
vroomSettings.MaxOldSpaceSize);
_jsContext = _jsEngine.CreateContext();
}
catch (Exception e)
{
throw new JsEngineLoadException(
string.Format(CoreStrings.Runtime_JsEngineNotLoaded,
EngineName, e.Message), EngineName, EngineVersion, e);
}
}
/// <summary>
/// 将js对象转化成.net对象
/// added by chuan.yin in 2017/5/16
/// </summary>
/// <param name="context"></param>
/// <param name="obj"></param>
/// <returns></returns>
private object Convert2Object(OriginalJsContext context, object obj)
{
if (obj is JsObject)
{
var dic = new Dictionary <string, object>();
var jo = (JsObject)obj;
foreach (var item in context.GetMemberNames(jo))
{
var v = context.GetPropertyValue(jo, item);
dic.Add(item, Convert2Object(context, v));
}
return(dic);
}
else if (obj is object[])
{
var jo = (object[])obj;
var list = new List <object>();
foreach (var item in jo)
{
list.Add(Convert2Object(context, item));
}
return(list.ToArray());
}
else if (obj is DateTime)
{
//不能转为本地时间
return((DateTime)obj);
}
else if (obj is JsFunction)
{
var jf = (JsFunction)obj;
return(jf.ToString());
}
else
{
return(obj);
}
}
public JsConvert(JsContext context)
{
_context = context;
}
public NativeObjectProxyStore(JsContext ownerContext)
{
this.ownerContext = ownerContext;
}
internal static void CtxRegisterManagedMethodCall(JsContext jsContext, ManagedMethodCallDel mMethodCall)
{
ContextRegisterManagedCallback(
jsContext.Handle.Handle,
System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate(mMethodCall),
(int)ManagedCallbackKind.MethodCall);
}
public static unsafe void RegisterTypeDef(JsContext context, JsTypeDefinition jsTypeDefinition)
{
INativeRef proxObject = jsTypeDefinition.nativeProxy;
byte[] finalBuffer = null;
using (MemoryStream ms = new MemoryStream())
{
//serialize with our custom protocol
//plan change to json ?
//utf16
BinaryWriter binWriter = new BinaryWriter(ms, System.Text.Encoding.Unicode);
//binay format
//1. typename
//2. fields
//3. method
//4. indexer get/set
binWriter.Write((short)1);//start marker
context.CollectionTypeMembers(jsTypeDefinition);
//------------------------------------------------
jsTypeDefinition.WriteDefinitionToStream(binWriter);
//------------------------------------------------
finalBuffer = ms.ToArray();
fixed (byte* tt = &finalBuffer[0])
{
proxObject.SetUnmanagedPtr(
ContextRegisterTypeDefinition(
context.Handle.Handle,
0, tt, finalBuffer.Length));
}
ms.Close();
}
}
public static void CreateNativePart(JsContext context, INativeScriptable proxyObj)
{
if (!proxyObj.HasNativeSide)
{
proxyObj.SetUnmanagedPtr(
CreateWrapperForManagedObject(
context.Handle.Handle,
proxyObj.ManagedIndex,
proxyObj.UnmanagedTypeDefinitionPtr));
}
}
public JsConvert(JsContext context)
{
_context = context;
}
public JsContext CreateContext()
{
CheckDisposed();
int id = Interlocked.Increment(ref _currentContextId);
JsContext ctx = new JsContext(id, this, _engine, ContextDisposed);
_aliveContexts.Add(id, ctx);
return ctx;
}
public NativeObjectProxyStore(JsContext ownerContext)
{
this.ownerContext = ownerContext;
}
public JsValue ToJsValue(char c)
{
// We need to allocate some memory on the other side; will be free'd by unmanaged code.
return(JsContext.jsvalue_alloc_string(c.ToString()));
}
public JsValue ToJsValue(object obj)
{
if (obj == null)
{
return new JsValue {
Type = JsValueType.Null
}
}
;
Type type = obj.GetType();
// Check for nullable types (we will cast the value out of the box later).
if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable <>))
{
type = type.GetGenericArguments()[0];
}
if (type == typeof(Boolean))
{
return new JsValue {
Type = JsValueType.Boolean, I32 = (bool)obj ? 1 : 0
}
}
;
if (type == typeof(String) || type == typeof(Char))
{
// We need to allocate some memory on the other side; will be free'd by unmanaged code.
return(JsContext.jsvalue_alloc_string(obj.ToString()));
}
if (type == typeof(Byte))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(Byte)obj
}
}
;
if (type == typeof(Int16))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(Int16)obj
}
}
;
if (type == typeof(UInt16))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(UInt16)obj
}
}
;
if (type == typeof(Int32))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)obj
}
}
;
if (type == typeof(UInt32))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(UInt32)obj
}
}
;
if (type == typeof(Int64))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Int64)obj
}
}
;
if (type == typeof(UInt64))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(UInt64)obj
}
}
;
if (type == typeof(Single))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Single)obj
}
}
;
if (type == typeof(Double))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)obj
}
}
;
if (type == typeof(Decimal))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Decimal)obj
}
}
;
if (type == typeof(DateTime))
{
return new JsValue {
Type = JsValueType.Date,
Num = Convert.ToInt64(((DateTime)obj).Subtract(EPOCH).TotalMilliseconds) /*(((DateTime)obj).Ticks - 621355968000000000.0 + 26748000000000.0)/10000.0*/
}
}
;
// Arrays of anything that can be cast to object[] are recursively convertef after
// allocating an appropriate jsvalue on the unmanaged side.
var array = obj as object[];
if (array != null)
{
JsValue v = JsContext.jsvalue_alloc_array(array.Length);
if (v.Length != array.Length)
{
throw new JsInteropException("can't allocate memory on the unmanaged side");
}
for (int i = 0; i < array.Length; i++)
{
Marshal.StructureToPtr(ToJsValue(array[i]), new IntPtr(v.Ptr.ToInt64() + (16 * i)), false);
}
return(v);
}
// Every object explicitly converted to a value becomes an entry of the
// _keepalives list, to make sure the GC won't collect it while still in
// use by the unmanaged Javascript engine. We don't try to track duplicates
// because adding the same object more than one time acts more or less as
// reference counting.
return(new JsValue {
Type = JsValueType.Managed, Index = _context.KeepAliveAdd(obj)
});
}
}
}
public JsContext CreateContext(JsTypeDefinitionBuilder customTypeDefBuilder)
{
CheckDisposed();
int id = Interlocked.Increment(ref _currentContextId);
JsContext ctx = new JsContext(id, this, _engine, ContextDisposed, customTypeDefBuilder);
_aliveContexts.Add(id, ctx);
return ctx;
}
