From f52ad32e62cfa750e386c257abddf33eaca7ec8b Mon Sep 17 00:00:00 2001
From: Eliot Horowitz <eliot@10gen.com>
Date: Mon, 10 Dec 2012 15:15:21 -0500
Subject: SERVER-7886 - StringMap is now based on StringData             -
 UnorderedFastKeyTable more methods to match std::map

---
 src/mongo/util/string_map.h | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

(limited to 'src/mongo/util/string_map.h')

diff --git a/src/mongo/util/string_map.h b/src/mongo/util/string_map.h
index e2fd7e01bc7..1aa6c678e60 100644
--- a/src/mongo/util/string_map.h
+++ b/src/mongo/util/string_map.h
@@ -17,34 +17,41 @@
 
 #pragma once
 
-#include <string>
+#include "mongo/base/string_data.h"
 #include "mongo/util/unordered_fast_key_table.h"
 
 namespace mongo {
 
     struct StringMapDefaultHash {
-        size_t operator()( const char* k ) const;
+        size_t operator()( const StringData& k ) const;
     };
 
     struct StringMapDefaultEqual {
-        bool operator()( const char* a, const char* b ) const {
-            return strcmp( a,b ) == 0;
+        bool operator()( const StringData& a, const StringData& b ) const {
+            return a == b;
         }
     };
 
     struct StringMapDefaultConvertor {
-        const char* operator()( const std::string& s ) const {
-            return s.c_str();
+        StringData operator()( const std::string& s ) const {
+            return StringData( s );
+        }
+    };
+
+    struct StringMapDefaultConvertorOther {
+        string operator()( const StringData& s ) const {
+            return s.toString();
         }
     };
 
     template< typename V >
-    class StringMap : public UnorderedFastKeyTable< const char*, // K_L
-                                      std::string, // K_S
-                                      V,           // V
-                                      StringMapDefaultHash,
-                                      StringMapDefaultEqual,
-                                      StringMapDefaultConvertor > {
+    class StringMap : public UnorderedFastKeyTable< StringData, // K_L
+                                                    std::string, // K_S
+                                                    V,           // V
+                                                    StringMapDefaultHash,
+                                                    StringMapDefaultEqual,
+                                                    StringMapDefaultConvertor,
+                                                    StringMapDefaultConvertorOther > {
     };
 }
 
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