Implement File constructor.

Source/bindings/v8/custom/V8BlobCustom.cpp

 /*
  * Copyright (C) 2012 Google Inc. 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
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "V8Blob.h"
 
-#include "bindings/v8/Dictionary.h"
-#include "bindings/v8/ExceptionMessages.h"
-#include "bindings/v8/V8Binding.h"
-#include "bindings/v8/V8Utilities.h"
-#include "bindings/v8/custom/V8ArrayBufferCustom.h"
-#include "bindings/v8/custom/V8ArrayBufferViewCustom.h"
+#include "bindings/v8/custom/V8BlobCustomHelpers.h"
 #include "core/fileapi/BlobBuilder.h"
-#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 void V8Blob::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (!info.Length()) {
         RefPtr<Blob> blob = Blob::create();
-        info.GetReturnValue().Set(toV8(blob.get(), info.Holder(), info.GetIsolate()));
+        v8SetReturnValue(info, blob.release());
         return;
     }
 
     uint32_t length = 0;
     if (info[0]->IsArray()) {
         length = v8::Local<v8::Array>::Cast(info[0])->Length();
     } else {
         const int sequenceArgumentIndex = 0;
         if (toV8Sequence(info[sequenceArgumentIndex], length, info.GetIsolate()).IsEmpty()) {
             throwTypeError(ExceptionMessages::failedToConstruct("Blob", ExceptionMessages::notAnArrayTypeArgumentOrValue(sequenceArgumentIndex + 1)), info.GetIsolate());
             return;
         }
     }
 
-    String type;
-    String endings = "transparent";
-
+    String contentType;
+    String endings = "transparent"; // default if no BlobPropertyBag is passed
     if (info.Length() > 1) {
         if (!info[1]->IsObject()) {
             throwTypeError(ExceptionMessages::failedToConstruct("Blob", "The 2nd argument is not of type Object."), info.GetIsolate());
             return;
         }
 
-        V8TRYCATCH_VOID(Dictionary, dictionary, Dictionary(info[1], info.GetIsolate()));
-
-        V8TRYCATCH_VOID(bool, containsEndings, dictionary.get("endings", endings));
-        if (containsEndings) {
-            if (endings != "transparent" && endings != "native") {
-                throwTypeError(ExceptionMessages::failedToConstruct("Blob", "The 2nd argument's \"endings\" property must be either \"transparent\" or \"native\"."), info.GetIsolate());
-                return;
-            }
-        }
-
-        V8TRYCATCH_VOID(bool, containsType, dictionary.get("type", type));
-        UNUSED_PARAM(containsType);
-        if (!type.containsOnlyASCII()) {
-            throwError(v8SyntaxError, ExceptionMessages::failedToConstruct("Blob", "The 2nd argument's \"type\" property must consist of ASCII characters."), info.GetIsolate());
+        if (!V8BlobCustomHelpers::processBlobPropertyBag(info[1], "Blob", contentType, endings, info.GetIsolate()))
             return;
-        }
-        type = type.lower();
     }
 
-    ASSERT(endings == "transparent" || endings == "native");
-
     BlobBuilder blobBuilder;
     v8::Local<v8::Object> blobParts = v8::Local<v8::Object>::Cast(info[0]);
-    for (uint32_t i = 0; i < length; ++i) {
-        v8::Local<v8::Value> item = blobParts->Get(v8::Uint32::New(i, info.GetIsolate()));
-        if (item.IsEmpty())
-            return;
+    if (!V8BlobCustomHelpers::processBlobParts(blobParts, length, endings, blobBuilder, info.GetIsolate()))
+        return;
 
-        if (V8ArrayBuffer::hasInstance(item, info.GetIsolate(), worldType(info.GetIsolate()))) {
-            ArrayBuffer* arrayBuffer = V8ArrayBuffer::toNative(v8::Handle<v8::Object>::Cast(item));
-            ASSERT(arrayBuffer);
-            blobBuilder.append(arrayBuffer);
-        } else if (V8ArrayBufferView::hasInstance(item, info.GetIsolate(), worldType(info.GetIsolate()))) {
-            ArrayBufferView* arrayBufferView = V8ArrayBufferView::toNative(v8::Handle<v8::Object>::Cast(item));
-            ASSERT(arrayBufferView);
-            blobBuilder.append(arrayBufferView);
-        } else if (V8Blob::hasInstance(item, info.GetIsolate(), worldType(info.GetIsolate()))) {
-            Blob* blob = V8Blob::toNative(v8::Handle<v8::Object>::Cast(item));
-            ASSERT(blob);
-            blobBuilder.append(blob);
-        } else {
-            V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, stringValue, item);
-            blobBuilder.append(stringValue, endings);
-        }
-    }
-
-    RefPtr<Blob> blob = blobBuilder.getBlob(type);
-    info.GetReturnValue().Set(toV8(blob.get(), info.Holder(), info.GetIsolate()));
+    RefPtr<Blob> blob = blobBuilder.createBlob(contentType);
+    v8SetReturnValue(info, blob.release());
 }
 
 } // namespace WebCore