From 3ba95dbf3e25ea7fedb472efff1b4b0edbcce7a9 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Mon, 18 Jun 2018 10:05:44 -0700
Subject: [PATCH] Represent tag name map as a std::map

This doesn't seem to affect performance, and unordered_map requires
C++11.
---
 src/tag.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/tag.h b/src/tag.h
index 429ebb2..da9420c 100644
--- a/src/tag.h
+++ b/src/tag.h
@@ -1,8 +1,8 @@
 #include <string>
-#include <unordered_map>
+#include <map>
 
 using std::string;
-using std::unordered_map;
+using std::map;
 
 enum TagType {
   AREA,
@@ -137,8 +137,8 @@ enum TagType {
 };
 
 
-static const unordered_map<string, TagType> get_tag_map() {
-  unordered_map<string, TagType> result;
+static const map<string, TagType> get_tag_map() {
+  map<string, TagType> result;
 #define TAG(name) result[#name] = name
   TAG(AREA);
   TAG(BASE);
@@ -269,7 +269,7 @@ static const unordered_map<string, TagType> get_tag_map() {
   return result;
 }
 
-static const unordered_map<string, TagType> TAG_TYPES_BY_TAG_NAME = get_tag_map();
+static const map<string, TagType> TAG_TYPES_BY_TAG_NAME = get_tag_map();
 
 static const TagType TAG_TYPES_NOT_ALLOWED_IN_PARAGRAPHS[] = {
   ADDRESS,
@@ -368,7 +368,7 @@ struct Tag {
   }
 
   static inline Tag for_name(const string &name) {
-    unordered_map<string, TagType>::const_iterator type = TAG_TYPES_BY_TAG_NAME.find(name);
+    map<string, TagType>::const_iterator type = TAG_TYPES_BY_TAG_NAME.find(name);
     if (type != TAG_TYPES_BY_TAG_NAME.end()) {
       return Tag(type->second, string());
     } else {