Index: Source/wtf/ArrayPiece.cpp |
diff --git a/Source/wtf/ArrayPiece.cpp b/Source/wtf/ArrayPiece.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f0cc5d42d241e8fcb85ac16ae48439413c06c23f |
--- /dev/null |
+++ b/Source/wtf/ArrayPiece.cpp |
@@ -0,0 +1,78 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "config.h" |
+#include "wtf/ArrayPiece.h" |
+ |
+#include "wtf/ArrayBuffer.h" |
+#include "wtf/ArrayBufferView.h" |
+#include "wtf/Assertions.h" |
+ |
+namespace WTF { |
+ |
+ArrayPiece::ArrayPiece() |
+{ |
+ initNull(); |
+} |
+ |
+ArrayPiece::ArrayPiece(void* data, unsigned byteLength) |
+{ |
+ initWithData(data, byteLength); |
+} |
+ |
+ArrayPiece::ArrayPiece(ArrayBuffer* buffer) |
+{ |
+ if (buffer) { |
+ initWithData(buffer->data(), buffer->byteLength()); |
+ } else { |
+ initNull(); |
+ } |
+} |
+ |
+ArrayPiece::ArrayPiece(ArrayBufferView* buffer) |
+{ |
+ if (buffer) { |
+ initWithData(buffer->baseAddress(), buffer->byteLength()); |
+ } else { |
+ initNull(); |
+ } |
+} |
+ |
+bool ArrayPiece::isNull() const |
+{ |
+ return m_isNull; |
+} |
+ |
+void* ArrayPiece::data() const |
+{ |
+ ASSERT(!isNull()); |
+ return m_data; |
+} |
+ |
+unsigned char* ArrayPiece::bytes() const |
+{ |
+ return static_cast<unsigned char*>(data()); |
+} |
+ |
+unsigned ArrayPiece::byteLength() const |
+{ |
+ ASSERT(!isNull()); |
+ return m_byteLength; |
+} |
+ |
+void ArrayPiece::initWithData(void* data, unsigned byteLength) |
+{ |
+ m_byteLength = byteLength; |
+ m_data = data; |
+ m_isNull = false; |
+} |
+ |
+void ArrayPiece::initNull() |
+{ |
+ m_byteLength = 0; |
+ m_data = 0; |
+ m_isNull = true; |
+} |
+ |
+} // namespace WTF |