Remove @/folly dependency from folly/io:compression

[folly.git] / folly / io / Compression.cpp

diff --git a/folly/io/Compression.cpp b/folly/io/Compression.cpp
index ef8ed9ef4267d85cf5bebd5282d494c69bf60cf7..ab0ee5a0719bff6e5aea2bb393be22f2978305e6 100644 (file)
--- a/folly/io/Compression.cpp
+++ b/folly/io/Compression.cpp
@@ -915,55 +915,55 @@ std::unique_ptr<IOBuf> LZMA2Codec::doUncompress(const IOBuf* data,
 
 #endif  // FOLLY_HAVE_LIBLZMA
 
-typedef std::unique_ptr<Codec> (*CodecFactory)(int, CodecType);
+}  // namespace
+
+std::unique_ptr<Codec> getCodec(CodecType type, int level) {
+  typedef std::unique_ptr<Codec> (*CodecFactory)(int, CodecType);
 
-CodecFactory gCodecFactories[
+  static CodecFactory codecFactories[
     static_cast<size_t>(CodecType::NUM_CODEC_TYPES)] = {
-  nullptr,  // USER_DEFINED
-  NoCompressionCodec::create,
+    nullptr,  // USER_DEFINED
+    NoCompressionCodec::create,
 
 #if FOLLY_HAVE_LIBLZ4
-  LZ4Codec::create,
+    LZ4Codec::create,
 #else
-  nullptr,
+    nullptr,
 #endif
 
 #if FOLLY_HAVE_LIBSNAPPY
-  SnappyCodec::create,
+    SnappyCodec::create,
 #else
-  nullptr,
+    nullptr,
 #endif
 
 #if FOLLY_HAVE_LIBZ
-  ZlibCodec::create,
+    ZlibCodec::create,
 #else
-  nullptr,
+    nullptr,
 #endif
 
 #if FOLLY_HAVE_LIBLZ4
-  LZ4Codec::create,
+    LZ4Codec::create,
 #else
-  nullptr,
+    nullptr,
 #endif
 
 #if FOLLY_HAVE_LIBLZMA
-  LZMA2Codec::create,
-  LZMA2Codec::create,
+    LZMA2Codec::create,
+    LZMA2Codec::create,
 #else
-  nullptr,
-  nullptr,
+    nullptr,
+    nullptr,
 #endif
-};
-
-}  // namespace
+  };
 
-std::unique_ptr<Codec> getCodec(CodecType type, int level) {
   size_t idx = static_cast<size_t>(type);
   if (idx >= static_cast<size_t>(CodecType::NUM_CODEC_TYPES)) {
     throw std::invalid_argument(to<std::string>(
         "Compression type ", idx, " not supported"));
   }
-  auto factory = gCodecFactories[idx];
+  auto factory = codecFactories[idx];
   if (!factory) {
     throw std::invalid_argument(to<std::string>(
         "Compression type ", idx, " not supported"));