From 4945e533c37d261e82d34ea129f441be06385cce Mon Sep 17 00:00:00 2001
From: ljfa-ag <ljfa-ag@web.de>
Date: Thu, 9 Jul 2015 18:09:06 +0200
Subject: Create tag_compound::insert method

---
 include/tag_compound.h | 8 ++++++++
 src/tag_compound.cpp   | 5 +++++
 test/nbttest.cpp       | 7 ++++++-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/include/tag_compound.h b/include/tag_compound.h
index 80be2f609e..0789bed295 100644
--- a/include/tag_compound.h
+++ b/include/tag_compound.h
@@ -72,11 +72,19 @@ public:
      */
     std::pair<iterator, bool> put(const std::string& key, value&& val);
 
+    /**
+     * @brief Inserts a tag if the key does not exist
+     * @return a pair of the iterator to the value with the key and a bool
+     * indicating whether the value was actually inserted
+     */
+    std::pair<iterator, bool> insert(const std::string& key, value&& val);
+
     /**
      * @brief Constructs and assigns or inserts a tag into the compound
      *
      * Constructs a new tag of type @c T with the given args and inserts
      * or assigns it to the given key.
+     * @note Unlike std::map::emplace, this will overwrite existing values
      * @return a pair of the iterator to the value and a bool indicating
      * whether the key did not exist
      */
diff --git a/src/tag_compound.cpp b/src/tag_compound.cpp
index 4c6c03264e..4ee38c4412 100644
--- a/src/tag_compound.cpp
+++ b/src/tag_compound.cpp
@@ -57,6 +57,11 @@ std::pair<tag_compound::iterator, bool> tag_compound::put(const std::string& key
     }
 }
 
+std::pair<tag_compound::iterator, bool> tag_compound::insert(const std::string& key, value&& val)
+{
+    return tags.emplace(key, std::move(val));
+}
+
 bool tag_compound::erase(const std::string& key)
 {
     return tags.erase(key) != 0;
diff --git a/test/nbttest.cpp b/test/nbttest.cpp
index 42f8bd25f4..f4d0405273 100644
--- a/test/nbttest.cpp
+++ b/test/nbttest.cpp
@@ -144,9 +144,14 @@ void test_tag_compound()
 
     ASSERT(comp.put("abc", value(tag_double(6.0))).second == true);
     ASSERT(comp.put("abc", value(tag_long(-28))).second == false);
+    ASSERT(comp.insert("ghi", value(tag_string("world"))).second == true);
+    ASSERT(comp.insert("abc", value(tag_string("hello"))).second == false);
     ASSERT(comp.emplace<tag_string>("def", "ghi").second == true);
     ASSERT(comp.emplace<tag_byte>("def", 4).second == false);
-    ASSERT((comp == tag_compound{{"abc", tag_long(-28)}, {"def", tag_byte(4)}}));
+    ASSERT((comp == tag_compound{
+        {"abc", tag_long(-28)},
+        {"def", tag_byte(4)},
+        {"ghi", tag_string("world")}}));
 
     std::clog << "test_tag_compound passed" << std::endl;
 }
-- 
cgit 0.0.5-2-1-g0f52