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Unified Diff: Source/WTF/wtf/StreamBuffer.h

Issue 14238015: Move Source/WTF/wtf to Source/wtf (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 8 months ago
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Index: Source/WTF/wtf/StreamBuffer.h
diff --git a/Source/WTF/wtf/StreamBuffer.h b/Source/WTF/wtf/StreamBuffer.h
deleted file mode 100644
index 416dd82af35c60e8d4a772b282b4f3ecb991734c..0000000000000000000000000000000000000000
--- a/Source/WTF/wtf/StreamBuffer.h
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
-* 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
-* 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.
-*/
-
-#ifndef WTF_StreamBuffer_h
-#define WTF_StreamBuffer_h
-
-#include <wtf/Deque.h>
-#include <wtf/PassOwnPtr.h>
-
-namespace WTF {
-
-template <typename T, size_t BlockSize> class StreamBuffer {
-private:
- typedef Vector<T> Block;
-public:
- StreamBuffer()
- : m_size(0)
- , m_readOffset(0)
- {
- }
-
- ~StreamBuffer()
- {
- }
-
- bool isEmpty() const { return !size(); }
-
- void append(const T* data, size_t size)
- {
- if (!size)
- return;
-
- m_size += size;
- while (size) {
- if (!m_buffer.size() || m_buffer.last()->size() == BlockSize)
- m_buffer.append(adoptPtr(new Block));
- size_t appendSize = std::min(BlockSize - m_buffer.last()->size(), size);
- m_buffer.last()->append(data, appendSize);
- data += appendSize;
- size -= appendSize;
- }
- }
-
- // This function consume data in the fist block.
- // Specified size must be less than over equal to firstBlockSize().
- void consume(size_t size)
- {
- ASSERT(m_size >= size);
- if (!m_size)
- return;
-
- ASSERT(m_buffer.size() > 0);
- ASSERT(m_readOffset + size <= m_buffer.first()->size());
- m_readOffset += size;
- m_size -= size;
- if (m_readOffset >= m_buffer.first()->size()) {
- m_readOffset = 0;
- m_buffer.removeFirst();
- }
- }
-
- size_t size() const { return m_size; }
-
- const T* firstBlockData() const
- {
- if (!m_size)
- return 0;
- ASSERT(m_buffer.size() > 0);
- return &m_buffer.first()->data()[m_readOffset];
- }
-
- size_t firstBlockSize() const
- {
- if (!m_size)
- return 0;
- ASSERT(m_buffer.size() > 0);
- return m_buffer.first()->size() - m_readOffset;
- }
-
-private:
- size_t m_size;
- size_t m_readOffset;
- Deque<OwnPtr<Block> > m_buffer;
-};
-
-} // namespace WTF
-
-using WTF::StreamBuffer;
-
-#endif // WTF_StreamBuffer_h
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