From eeb63b8901a9c049f1bb594abb9ce9b4a9c47620 Mon Sep 17 00:00:00 2001
From: Tiger Wang <ziwei.tiger@outlook.com>
Date: Mon, 11 Jan 2021 16:39:43 +0000
Subject: zlib -> libdeflate (#5085)

+ Use libdeflate
+ Use std::byte
* Fix passing temporary to string_view
+ Emulate make_unique_for_overwrite
---
 src/CircularBufferCompressor.cpp | 67 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/CircularBufferCompressor.cpp

(limited to 'src/CircularBufferCompressor.cpp')

diff --git a/src/CircularBufferCompressor.cpp b/src/CircularBufferCompressor.cpp
new file mode 100644
index 000000000..823dd8862
--- /dev/null
+++ b/src/CircularBufferCompressor.cpp
@@ -0,0 +1,67 @@
+
+#include "Globals.h"
+#include "CircularBufferCompressor.h"
+#include "ByteBuffer.h"
+
+
+
+
+
+ContiguousByteBufferView CircularBufferCompressor::GetView() const
+{
+	return m_ContiguousIntermediate;
+}
+
+
+
+
+
+Compression::Result CircularBufferCompressor::Compress()
+{
+	return m_Compressor.CompressZLib(m_ContiguousIntermediate);
+}
+
+
+
+
+
+void CircularBufferCompressor::ReadFrom(cByteBuffer & Buffer)
+{
+	Buffer.ReadAll(m_ContiguousIntermediate);
+}
+
+
+
+
+
+void CircularBufferCompressor::ReadFrom(cByteBuffer & Buffer, size_t Size)
+{
+	Buffer.ReadSome(m_ContiguousIntermediate, Size);
+}
+
+
+
+
+
+ContiguousByteBufferView CircularBufferExtractor::GetView() const
+{
+	return m_ContiguousIntermediate;
+}
+
+
+
+
+
+Compression::Result CircularBufferExtractor::Extract(size_t UncompressedSize)
+{
+	return m_Extractor.ExtractZLib(m_ContiguousIntermediate, UncompressedSize);
+}
+
+
+
+
+
+void CircularBufferExtractor::ReadFrom(cByteBuffer & Buffer, size_t Size)
+{
+	Buffer.ReadSome(m_ContiguousIntermediate, Size);
+}
-- 
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