From 87c314facb469fd5d70e9240e1bc26038a27fb1e Mon Sep 17 00:00:00 2001
From: Daniel Larimer <dlarimer@invictus-innovations.com>
Date: Mon, 19 May 2014 15:22:19 -0400
Subject: [PATCH] raw serialization of std::map

---
 include/fc/io/raw.hpp     | 24 ++++++++++++++++++++++++
 include/fc/io/raw_fwd.hpp |  2 ++
 2 files changed, 26 insertions(+)

diff --git a/include/fc/io/raw.hpp b/include/fc/io/raw.hpp
index 411de23..b4ec029 100644
--- a/include/fc/io/raw.hpp
+++ b/include/fc/io/raw.hpp
@@ -9,6 +9,7 @@
 #include <fc/io/raw_fwd.hpp>
 #include <fc/filesystem.hpp>
 #include <fc/exception/exception.hpp>
+#include <map>
 
 #define MAX_ARRAY_ALLOC_SIZE (1024*1024*10) 
 
@@ -319,6 +320,29 @@ namespace fc {
           value.insert( std::move(tmp) );
       }
     }
+    template<typename Stream, typename K, typename V>
+    inline void pack( Stream& s, const std::map<K,V>& value ) {
+      pack( s, unsigned_int(value.size()) );
+      auto itr = value.begin();
+      auto end = value.end();
+      while( itr != end ) {
+        fc::raw::pack( s, *itr );
+        ++itr;
+      }
+    }
+    template<typename Stream, typename K, typename V>
+    inline void unpack( Stream& s, std::map<K,V>& value ) 
+    {
+      unsigned_int size; unpack( s, size );
+      value.clear();
+      FC_ASSERT( size.value*(sizeof(K)+sizeof(V)) < MAX_ARRAY_ALLOC_SIZE );
+      for( uint32_t i = 0; i < size.value; ++i )
+      {
+          std::pair<K,V> tmp;
+          fc::raw::unpack( s, tmp );
+          value.insert( std::move(tmp) );
+      }
+    }
 
 
     template<typename Stream, typename T>
diff --git a/include/fc/io/raw_fwd.hpp b/include/fc/io/raw_fwd.hpp
index cf17bd5..922782e 100644
--- a/include/fc/io/raw_fwd.hpp
+++ b/include/fc/io/raw_fwd.hpp
@@ -30,6 +30,8 @@ namespace fc {
 
     template<typename Stream, typename K, typename V> inline void pack( Stream& s, const std::unordered_map<K,V>& value );
     template<typename Stream, typename K, typename V> inline void unpack( Stream& s, std::unordered_map<K,V>& value );
+    template<typename Stream, typename K, typename V> inline void pack( Stream& s, const std::map<K,V>& value );
+    template<typename Stream, typename K, typename V> inline void unpack( Stream& s, std::map<K,V>& value );
 
     template<typename Stream, typename K, typename V> inline void pack( Stream& s, const std::pair<K,V>& value );
     template<typename Stream, typename K, typename V> inline void unpack( Stream& s, std::pair<K,V>& value );