From c2b6907ed61a2f1db22b1b374b8103efd0017289 Mon Sep 17 00:00:00 2001
From: Yury Melnichek <melnichek@malinovka.local>
Date: Mon, 8 Aug 2011 20:23:59 +0200
Subject: [PATCH] PushBackByteSink uses .append() when possible.

---
 coding/byte_stream.hpp | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/coding/byte_stream.hpp b/coding/byte_stream.hpp
index 9ce9f747f0..1e9a494d14 100644
--- a/coding/byte_stream.hpp
+++ b/coding/byte_stream.hpp
@@ -33,11 +33,33 @@ private:
   const unsigned char * m_p;
 };
 
-// TODO: Separate sink and rich write interface.
-template <class TStorage = vector<unsigned char> > class PushBackByteSink
+template <class StorageT> class PushBackByteSink
 {
 public:
-  explicit PushBackByteSink(TStorage & storage)
+  explicit PushBackByteSink(StorageT & storage)
+    : m_Storage(storage)//, m_InitialStorageSize(storage.size())
+  {
+  }
+
+  void Write(void const * p, size_t size)
+  {
+    // assume input buffer as buffer of bytes
+    unsigned char const * pp = static_cast<unsigned char const *>(p);
+    m_Storage.append(pp, pp + size);
+  }
+
+  size_t Pos() const
+  {
+    return m_Storage.size();
+  }
+private:
+  StorageT & m_Storage;
+};
+
+template <typename T> class PushBackByteSink<vector<T> >
+{
+public:
+  explicit PushBackByteSink(vector<T> & storage)
     : m_Storage(storage)//, m_InitialStorageSize(storage.size())
   {
   }
@@ -54,7 +76,7 @@ public:
     return m_Storage.size();
   }
 private:
-  TStorage & m_Storage;
+  vector<T> & m_Storage;
 };
 
 class CountingSink