|
public DefineProperty ( EdgeJsPropertyId propertyId, |
||
| propertyId | EdgeJsPropertyId | The ID of the property |
| propertyDescriptor | The property descriptor | |
| return | bool | |
private void ProjectProperties(EdgeJsValue target, Type type, bool instance)
{
string typeName = type.FullName;
BindingFlags defaultBindingFlags = ReflectionHelpers.GetDefaultBindingFlags(instance);
PropertyInfo[] properties = type.GetProperties(defaultBindingFlags);
foreach (PropertyInfo property in properties)
{
string propertyName = property.Name;
EdgeJsValue descriptorValue = EdgeJsValue.CreateObject();
descriptorValue.SetProperty("enumerable", EdgeJsValue.True, true);
if (property.GetGetMethod() != null)
{
EdgeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) =>
{
EdgeJsValue thisValue = args[0];
EdgeJsValue undefinedValue = EdgeJsValue.Undefined;
object thisObj = null;
if (instance)
{
if (!thisValue.HasExternalData)
{
EdgeJsValue errorValue = EdgeJsErrorHelpers.CreateTypeError(
string.Format(NetCoreStrings.Runtime_InvalidThisContextForHostObjectProperty, propertyName));
EdgeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
thisObj = MapToHostType(thisValue);
}
object result;
try
{
result = property.GetValue(thisObj, new object[0]);
}
catch (Exception e)
{
string errorMessage = instance ?
string.Format(
NetCoreStrings.Runtime_HostObjectPropertyGettingFailed, propertyName, e.Message)
:
string.Format(
NetCoreStrings.Runtime_HostTypePropertyGettingFailed, propertyName, typeName, e.Message)
;
EdgeJsValue errorValue = EdgeJsErrorHelpers.CreateError(errorMessage);
EdgeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
EdgeJsValue resultValue = MapToScriptType(result);
return(resultValue);
};
_nativeFunctions.Add(nativeFunction);
EdgeJsValue getMethodValue = EdgeJsValue.CreateFunction(nativeFunction);
descriptorValue.SetProperty("get", getMethodValue, true);
}
if (property.GetSetMethod() != null)
{
EdgeJsNativeFunction nativeFunction = (callee, isConstructCall, args, argCount, callbackData) =>
{
EdgeJsValue thisValue = args[0];
EdgeJsValue undefinedValue = EdgeJsValue.Undefined;
object thisObj = null;
if (instance)
{
if (!thisValue.HasExternalData)
{
EdgeJsValue errorValue = EdgeJsErrorHelpers.CreateTypeError(
string.Format(NetCoreStrings.Runtime_InvalidThisContextForHostObjectProperty, propertyName));
EdgeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
thisObj = MapToHostType(thisValue);
}
object value = MapToHostType(args.Skip(1).First());
ReflectionHelpers.FixPropertyValueType(ref value, property);
try
{
property.SetValue(thisObj, value, new object[0]);
}
catch (Exception e)
{
string errorMessage = instance ?
string.Format(
NetCoreStrings.Runtime_HostObjectPropertySettingFailed, propertyName, e.Message)
:
string.Format(
NetCoreStrings.Runtime_HostTypePropertySettingFailed, propertyName, typeName, e.Message)
;
EdgeJsValue errorValue = EdgeJsErrorHelpers.CreateError(errorMessage);
EdgeJsErrorHelpers.SetException(errorValue);
return(undefinedValue);
}
return(undefinedValue);
};
_nativeFunctions.Add(nativeFunction);
EdgeJsValue setMethodValue = EdgeJsValue.CreateFunction(nativeFunction);
descriptorValue.SetProperty("set", setMethodValue, true);
}
target.DefineProperty(propertyName, descriptorValue);
}
}