API for DataView.

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1344 matching lines @@
   bool IsRegExp() const;
 
 
   /**
    * Returns true if this value is an ArrayBuffer.
    * This is an experimental feature.
    */
   bool IsArrayBuffer() const;
 
   /**
+   * Returns true if this value is an ArrayBufferView.
+   * This is an experimental feature.
+   */
+  bool IsArrayBufferView() const;
+
+  /**
    * Returns true if this value is one of TypedArrays.
    * This is an experimental feature.
    */
   bool IsTypedArray() const;
 
   /**
    * Returns true if this value is an Uint8Array.
    * This is an experimental feature.
    */
   bool IsUint8Array() const;
@@ skipping 39 matching lines @@
    * This is an experimental feature.
    */
   bool IsFloat32Array() const;
 
   /**
    * Returns true if this value is a Float64Array.
    * This is an experimental feature.
    */
   bool IsFloat64Array() const;
 
+  /**
+   * Returns true if this value is a DataView.
+   * This is an experimental feature.
+   */
+  bool IsDataView() const;
+
   Local<Boolean> ToBoolean() const;
   Local<Number> ToNumber() const;
   Local<String> ToString() const;
   Local<String> ToDetailString() const;
   Local<Object> ToObject() const;
   Local<Integer> ToInteger() const;
   Local<Uint32> ToUint32() const;
   Local<Int32> ToInt32() const;
 
   /**
@@ skipping 1018 matching lines @@
 
   static const int kInternalFieldCount = V8_ARRAY_BUFFER_INTERNAL_FIELD_COUNT;
 
  private:
   ArrayBuffer();
   static void CheckCast(Value* obj);
 };
 
 
 /**
+ * A base class for an instance of one of "views" over ArrayBuffer,
+ * including TypedArrays and DataView (ES6 draft 15.13).
+ *
+ * This API is experimental and may change significantly.
+ */
+class V8EXPORT ArrayBufferView : public Object {
+ public:
+  /**
+   * Returns underlying ArrayBuffer.
+   */
+  Local<ArrayBuffer> Buffer();
+  /**
+   * Byte offset in |Buffer|.
+   */
+  size_t ByteOffset();
+  /**
+   * Size of a view in bytes.
+   */
+  size_t ByteLength();
+  /**
+   * Base address of a view.
+   */
+  void* BaseAddress();
+
+  V8_INLINE(static ArrayBufferView* Cast(Value* obj));
+
+ private:
+  ArrayBufferView();
+  static void CheckCast(Value* obj);
+};
+
+
+/**
  * A base class for an instance of TypedArray series of constructors
  * (ES6 draft 15.13.6).
  * This API is experimental and may change significantly.
  */
-class V8EXPORT TypedArray : public Object {
+class V8EXPORT TypedArray : public ArrayBufferView {
  public:
   /**
-   * Returns underlying ArrayBuffer.
-   */
-  Local<ArrayBuffer> Buffer();
-  /**
-   * Byte offset in |Buffer|
-   */
-  size_t ByteOffset();
-  /**
-   * Numbe of elements in this typed array.
+   * Number of elements in this typed array
+   * (e.g. for Int16Array, |ByteLength|/2).
    */
   size_t Length();
-  /**
-   * Size of typed array in bytes (e.g. for Int16Array, 2*|Length|).
-   */
-  size_t ByteLength();
-  /**
-   * Base address of typed array.
-   */
-  void* BaseAddress();
 
   V8_INLINE(static TypedArray* Cast(Value* obj));
 
  private:
   TypedArray();
   static void CheckCast(Value* obj);
 };
 
 
 /**
@@ skipping 133 matching lines @@
                                size_t byte_offset, size_t length);
   V8_INLINE(static Float64Array* Cast(Value* obj));
 
  private:
   Float64Array();
   static void CheckCast(Value* obj);
 };
 
 
 /**
+ * An instance of DataView constructor (ES6 draft 15.13.7).
+ * This API is experimental and may change significantly.
+ */
+class V8EXPORT DataView : public ArrayBufferView {
+ public:
+  static Local<DataView> New(Handle<ArrayBuffer> array_buffer,
+                             size_t byte_offset, size_t length);
+  V8_INLINE(static DataView* Cast(Value* obj));
+
+ private:
+  DataView();
+  static void CheckCast(Value* obj);
+};
+
+
+/**
  * An instance of the built-in Date constructor (ECMA-262, 15.9).
  */
 class V8EXPORT Date : public Object {
  public:
   static Local<Value> New(double time);
 
   /**
    * A specialization of Value::NumberValue that is more efficient
    * because we know the structure of this object.
    */
@@ skipping 3505 matching lines @@
 
 
 ArrayBuffer* ArrayBuffer::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
   CheckCast(value);
 #endif
   return static_cast<ArrayBuffer*>(value);
 }
 
 
+ArrayBufferView* ArrayBufferView::Cast(v8::Value* value) {
+#ifdef V8_ENABLE_CHECKS
+  CheckCast(value);
+#endif
+  return static_cast<ArrayBufferView*>(value);
+}
+
+
 TypedArray* TypedArray::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
   CheckCast(value);
 #endif
   return static_cast<TypedArray*>(value);
 }
 
 
 Uint8Array* Uint8Array::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
@@ skipping 60 matching lines @@
 
 
 Uint8ClampedArray* Uint8ClampedArray::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
   CheckCast(value);
 #endif
   return static_cast<Uint8ClampedArray*>(value);
 }
 
 
+DataView* DataView::Cast(v8::Value* value) {
+#ifdef V8_ENABLE_CHECKS
+  CheckCast(value);
+#endif
+  return static_cast<DataView*>(value);
+}
+
+
 Function* Function::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
   CheckCast(value);
 #endif
   return static_cast<Function*>(value);
 }
 
 
 External* External::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
@@ skipping 116 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_