1 files changed, 71 insertions, 0 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/filters/comp_filter.h b/src/libs/3rdparty/botan/src/lib/filters/comp_filter.h
new file mode 100644
index 0000000000..d9cc00b684
--- /dev/null
+++ b/src/libs/3rdparty/botan/src/lib/filters/comp_filter.h
@@ -0,0 +1,71 @@
+/*
+* Filter interface for compression
+* (C) 2014,2015,2016 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_COMPRESSION_FILTER_H_
+#define BOTAN_COMPRESSION_FILTER_H_
+
+#include <botan/filter.h>
+
+namespace Botan {
+
+#if defined(BOTAN_HAS_COMPRESSION)
+
+class Compression_Algorithm;
+class Decompression_Algorithm;
+
+/**
+* Filter interface for compression
+*/
+class BOTAN_PUBLIC_API(2,0) Compression_Filter final : public Filter
+   {
+   public:
+      void start_msg() override;
+      void write(const uint8_t input[], size_t input_length) override;
+      void end_msg() override;
+
+      void flush();
+
+      std::string name() const override;
+
+      Compression_Filter(const std::string& type,
+                         size_t compression_level,
+                         size_t buffer_size = 4096);
+
+      ~Compression_Filter();
+   private:
+      std::unique_ptr<Compression_Algorithm> m_comp;
+      size_t m_buffersize, m_level;
+      secure_vector<uint8_t> m_buffer;
+   };
+
+/**
+* Filter interface for decompression
+*/
+class BOTAN_PUBLIC_API(2,0) Decompression_Filter final : public Filter
+   {
+   public:
+      void start_msg() override;
+      void write(const uint8_t input[], size_t input_length) override;
+      void end_msg() override;
+
+      std::string name() const override;
+
+      Decompression_Filter(const std::string& type,
+                           size_t buffer_size = 4096);
+
+      ~Decompression_Filter();
+   private:
+      std::unique_ptr<Decompression_Algorithm> m_comp;
+      std::size_t m_buffersize;
+      secure_vector<uint8_t> m_buffer;
+   };
+
+#endif
+
+}
+
+#endif