// INITIALIZATION
//_________________________________________________________________________________________
/// <summary>
/// Creates a new DataView instance.
/// </summary>
/// <param name="prototype"> The next object in the prototype chain. </param>
/// <param name="buffer"> An existing ArrayBuffer to use as the storage for the new
/// DataView object. </param>
/// <param name="byteOffset"> The offset, in bytes, to the first byte in the specified
/// buffer for the new view to reference. If not specified, the view of the buffer will
/// start with the first byte. </param>
/// <param name="byteLength"> The number of elements in the byte array. If unspecified,
/// length of the view will match the buffer's length. </param>
internal DataViewInstance(ObjectInstance prototype, ArrayBufferInstance buffer, int byteOffset, int byteLength)
: base(prototype)
{
this.buffer = buffer;
this.byteOffset = byteOffset;
this.byteLength = byteLength;
}
// INITIALIZATION
//_________________________________________________________________________________________
/// <summary>
/// Creates a new DataView instance.
/// </summary>
/// <param name="prototype"> The next object in the prototype chain. </param>
/// <param name="buffer"> An existing ArrayBuffer to use as the storage for the new
/// DataView object. </param>
/// <param name="byteOffset"> The offset, in bytes, to the first byte in the specified
/// buffer for the new view to reference. If not specified, the view of the buffer will
/// start with the first byte. </param>
/// <param name="byteLength"> The number of elements in the byte array. If unspecified,
/// length of the view will match the buffer's length. </param>
internal DataViewInstance(ObjectInstance prototype, ArrayBufferInstance buffer, int byteOffset, int byteLength)
: base(prototype)
{
this.buffer = buffer;
this.byteOffset = byteOffset;
this.byteLength = byteLength;
}
// INITIALIZATION
//_________________________________________________________________________________________
/// <summary>
/// Creates a new typed array instance.
/// </summary>
/// <param name="prototype"> The next object in the prototype chain. </param>
/// <param name="type"> Defines the element type and behaviour of the typed array. </param>
/// <param name="buffer"> An existing ArrayBuffer to use as the storage for the new
/// TypedArray object. </param>
/// <param name="byteOffset"> The offset, in bytes, to the first byte in the specified
/// buffer for the new view to reference. If not specified, the TypedArray will start
/// with the first byte. </param>
/// <param name="length"> The length (in elements) of the typed array. </param>
internal TypedArrayInstance(ObjectInstance prototype, TypedArrayType type, ArrayBufferInstance buffer, int byteOffset, int length)
: base(prototype)
{
this.type = type;
this.buffer = buffer;
this.byteOffset = byteOffset;
this.length = length;
}
// INITIALIZATION
//_________________________________________________________________________________________
/// <summary>
/// Creates a new array buffer constructor.
/// </summary>
/// <param name="prototype"> The next object in the prototype chain. </param>
internal ArrayBufferConstructor(ObjectInstance prototype)
: base(prototype, __STUB__Construct, __STUB__Call)
{
// Initialize the constructor properties.
var properties = GetDeclarativeProperties(Engine);
InitializeConstructorProperties(properties, "ArrayBuffer", 1, ArrayBufferInstance.CreatePrototype(Engine, this));
InitializeProperties(properties);
}
public DataViewInstance Construct(ArrayBufferInstance buffer = null, int byteOffset = 0, int? byteLength = null)
{
if (buffer == null)
throw new JavaScriptException(Engine, ErrorType.TypeError, "First argument to DataView constructor must be an ArrayBuffer.");
if (byteOffset >= buffer.ByteLength)
throw new JavaScriptException(Engine, ErrorType.RangeError, "Start offset is outside the bounds of the buffer.");
int byteLengthValue = byteLength ?? buffer.ByteLength - byteOffset;
if (byteOffset + byteLengthValue > buffer.ByteLength)
throw new JavaScriptException(Engine, ErrorType.RangeError, "Invalid data view length.");
return new DataViewInstance(this.InstancePrototype, buffer, byteOffset, byteLengthValue);
}
public DataViewInstance Construct(ArrayBufferInstance buffer = null, int byteOffset = 0, int?byteLength = null)
{
if (buffer == null)
{
throw new JavaScriptException(Engine, ErrorType.TypeError, "First argument to DataView constructor must be an ArrayBuffer.");
}
if (byteOffset >= buffer.ByteLength)
{
throw new JavaScriptException(Engine, ErrorType.RangeError, "Start offset is outside the bounds of the buffer.");
}
int byteLengthValue = byteLength ?? buffer.ByteLength - byteOffset;
if (byteOffset + byteLengthValue > buffer.ByteLength)
{
throw new JavaScriptException(Engine, ErrorType.RangeError, "Invalid data view length.");
}
return(new DataViewInstance(this.InstancePrototype, buffer, byteOffset, byteLengthValue));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="arrayBufferInstance">The displayed ArrayBufferInstance</param>
public ArrayBufferInstanceDebugView(ArrayBufferInstance arrayBufferInstance)
{
this.arrayBufferInstance = arrayBufferInstance;
}
