From 84a8d14ae0da54bee00ba3ef1018c178c8c8aa85 Mon Sep 17 00:00:00 2001
From: rr- <rr-@sakuya.pl>
Date: Wed, 16 Mar 2016 19:35:48 +0100
Subject: [PATCH] Tags: add ability to compare tags

---
 src/tags.cc | 23 +++++++++++++++++++++++
 src/tags.h  |  6 ++++++
 2 files changed, 29 insertions(+)

diff --git a/src/tags.cc b/src/tags.cc
index 40ee00a..eb1ef01 100644
--- a/src/tags.cc
+++ b/src/tags.cc
@@ -14,6 +14,17 @@ static bool iequals(const std::string &a, const std::string &b)
     return true;
 }
 
+bool Tag::operator !=(const Tag &other_tag) const
+{
+    return !operator ==(other_tag);
+}
+
+bool Tag::operator ==(const Tag &other_tag) const
+{
+    return key == other_tag.key
+        && value == other_tag.value;
+}
+
 Tags::Tags()
 {
 }
@@ -78,3 +89,15 @@ Tag opustags::parse_tag(const std::string &assoc)
     std::string value = assoc.substr(eq + 1);
     return { name, value };
 }
+
+bool Tags::operator !=(const Tags &other_tags) const
+{
+    return !operator ==(other_tags);
+}
+
+bool Tags::operator ==(const Tags &other_tags) const
+{
+    return vendor == other_tags.vendor
+        && extra == other_tags.extra
+        && get_all() == other_tags.get_all();
+}
diff --git a/src/tags.h b/src/tags.h
index aaf09b6..6291227 100644
--- a/src/tags.h
+++ b/src/tags.h
@@ -8,6 +8,9 @@ namespace opustags {
 
     struct Tag final
     {
+        bool operator !=(const Tag &other_tag) const;
+        bool operator ==(const Tag &other_tag) const;
+
         std::string key;
         std::string value;
     };
@@ -28,6 +31,9 @@ namespace opustags {
         bool contains(const std::string &key) const;
         void clear();
 
+        bool operator !=(const Tags &other_tags) const;
+        bool operator ==(const Tags &other_tags) const;
+
         // Additional fields are required to match the specs:
         // https://tools.ietf.org/html/draft-ietf-codec-oggopus-14#section-5.2