--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/BlobBuilder.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2010 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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * 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 "BlobBuilder.h"
+
+#include "AtomicString.h"
+#include "Blob.h"
+#include "ExceptionCode.h"
+#include "LineEnding.h"
+#include "TextEncoding.h"
+
+namespace WebCore {
+
+static CString convertToCString(const String& text, const String& endingType, ExceptionCode& ec)
+{
+    DEFINE_STATIC_LOCAL(AtomicString, transparent, ("transparent"));
+    DEFINE_STATIC_LOCAL(AtomicString, native, ("native"));
+
+    ec = 0;
+
+    if (endingType.isEmpty() || endingType == transparent)
+        return UTF8Encoding().encode(text.characters(), text.length(), EntitiesForUnencodables);
+    if (endingType == native)
+        return normalizeLineEndingsToNative(UTF8Encoding().encode(text.characters(), text.length(), EntitiesForUnencodables));
+
+    ec = SYNTAX_ERR;
+    return CString();
+}
+
+bool BlobBuilder::append(const String& text, const String& endingType, ExceptionCode& ec)
+{
+    CString cstr = convertToCString(text, endingType, ec);
+    if (ec)
+        return false;
+
+    m_items.append(StringBlobItem::create(cstr));
+    return true;
+}
+
+bool BlobBuilder::append(const String& text, ExceptionCode& ec)
+{
+    return append(text, String(), ec);
+}
+
+bool BlobBuilder::append(PassRefPtr<Blob> blob)
+{
+    if (blob) {
+        for (size_t i = 0; i < blob->items().size(); ++i)
+            m_items.append(blob->items()[i]);
+        return true;
+    }
+    return false;
+}
+
+PassRefPtr<Blob> BlobBuilder::getBlob(const String& contentType) const
+{
+    return Blob::create(contentType, m_items);
+}
+
+} // namespace WebCore