Split library/cpp/streams/lz into separate codecs

1 files changed, 50 insertions, 0 deletions

diff --git a/library/cpp/streams/lz/snappy/snappy.h b/library/cpp/streams/lz/snappy/snappy.h
new file mode 100644
index 00000000000..2e680217aab
--- /dev/null
+++ b/library/cpp/streams/lz/snappy/snappy.h
@@ -0,0 +1,50 @@
+#pragma once
+
+#include <util/stream/output.h>
+#include <util/stream/input.h>
+#include <util/generic/ptr.h>
+
+/**
+ * @addtogroup Streams_Archs
+ * @{
+ */
+
+/**
+ * Snappy compressing stream.
+ *
+ * @see http://code.google.com/p/snappy/
+ */
+class TSnappyCompress: public IOutputStream {
+public:
+    TSnappyCompress(IOutputStream* slave, ui16 maxBlockSize = 1 << 15);
+    ~TSnappyCompress() override;
+
+private:
+    void DoWrite(const void* buf, size_t len) override;
+    void DoFlush() override;
+    void DoFinish() override;
+
+private:
+    class TImpl;
+    THolder<TImpl> Impl_;
+};
+
+/**
+ * Snappy decompressing stream.
+ *
+ * @see http://code.google.com/p/snappy/
+ */
+class TSnappyDecompress: public IInputStream {
+public:
+    TSnappyDecompress(IInputStream* slave);
+    ~TSnappyDecompress() override;
+
+private:
+    size_t DoRead(void* buf, size_t len) override;
+
+private:
+    class TImpl;
+    THolder<TImpl> Impl_;
+};
+
+/** @} */