Add Blob API

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 78b46136fd252b2734bdd538fb70a883e1485b72..b64c67943faef7fac5fb44ab021b9241bd817d0f 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -113,6 +113,7 @@ class Array;
 class Int32;
 class Uint32;
 class External;
+class Blob;
 class Primitive;
 class Boolean;
 class Integer;
@@ -724,6 +725,11 @@ class V8EXPORT Value : public Data {
   bool IsExternal() const;
 
   /**
+   * Returns true if this value is blob.
+   */
+  bool IsBlob() const;
+
+  /**
    * Returns true if this value is a 32-bit signed integer.
    */
   bool IsInt32() const;
@@ -1381,6 +1387,28 @@ class V8EXPORT External : public Value {
 };
 
 
+/**
+ * A JavaScript value that wraps a ByteArray.
+ */
+class V8EXPORT Blob : public Value {
+ public:
+  // Create a Blob with room for 'length' bytes.
+  static Local<Blob> New(int length);
+  static inline Blob* Cast(Value* obj);
+
+  // Read the index'th byte integer
+  uint8_t GetByte(int index);
+  // Write the index'th byte
+  void SetByte(int index, uint8_t value);
+  // Get access to the raw memory
+  uint8_t* GetAddress();
+  int ByteCount();
+ private:
+  Blob();
+  static void CheckCast(v8::Value* obj);
+};
+
+
 // --- T e m p l a t e s ---
 
 
@@ -3177,6 +3205,14 @@ External* External::Cast(v8::Value* value) {
 }
 
 
+Blob* Blob::Cast(v8::Value* value) {
+#ifdef V8_ENABLE_CHECKS
+  CheckCast(value);
+#endif
+  return static_cast<Blob*>(value);
+}
+
+
 Local<Value> AccessorInfo::Data() const {
   return Local<Value>(reinterpret_cast<Value*>(&args_[-3]));
 }