/// <summary>
/// Implements setter for dynamic indexer by index (JsonArray)
/// </summary>
/// <param name="binder">An instance of the <see cref="GetIndexBinder"/> that represents the details of the dynamic operation.</param>
/// <param name="indexes">An array of <see cref="DynamicMetaObject"/> instances - indexes for the get index operation.</param>
/// <returns>The new <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
public override DynamicMetaObject BindGetIndex(GetIndexBinder binder, DynamicMetaObject[] indexes)
{
if (binder == null)
{
throw new ArgumentNullException("binder");
}
if (indexes == null)
{
throw new ArgumentNullException("indexes");
}
Expression indexExpression;
if (!JsonValueDynamicMetaObject.TryGetIndexExpression(indexes, out indexExpression))
{
return(new DynamicMetaObject(indexExpression, DefaultRestrictions));
}
MethodInfo methodInfo = indexExpression.Type == typeof(string) ? _getValueByKeyMethodInfo : _getValueByIndexMethodInfo;
Expression[] args = new Expression[] { indexExpression };
return(GetMethodMetaObject(methodInfo, args));
}
/// <summary>
/// Implements getter for dynamic indexer by index (JsonArray).
/// </summary>
/// <param name="binder">An instance of the <see cref="SetIndexBinder"/> that represents the details of the dynamic operation.</param>
/// <param name="indexes">An array of <see cref="DynamicMetaObject"/> instances - indexes for the set index operation.</param>
/// <param name="value">The <see cref="DynamicMetaObject"/> representing the value for the set index operation.</param>
/// <returns>The new <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
public override DynamicMetaObject BindSetIndex(SetIndexBinder binder, DynamicMetaObject[] indexes, DynamicMetaObject value)
{
if (binder == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("binder"));
}
if (indexes == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("indexes"));
}
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("value"));
}
Expression indexExpression;
if (!JsonValueDynamicMetaObject.TryGetIndexExpression(indexes, out indexExpression))
{
return(new DynamicMetaObject(indexExpression, this.DefaultRestrictions));
}
MethodInfo methodInfo = indexExpression.Type == typeof(string) ? SetValueByKeyMethodInfo : SetValueByIndexMethodInfo;
Expression[] args = new Expression[] { indexExpression, Expression.Convert(value.Expression, typeof(object)) };
return(this.GetMethodMetaObject(methodInfo, args));
}