From 970b10d01bbca4bd3c09d37c76531625b3adf0b4 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Thu, 9 Jan 2014 19:00:59 +0100
Subject: [PATCH] tag/TagTable: add lookup TagType -> name

---
 src/tag/TagTable.cxx | 10 ++++++++++
 src/tag/TagTable.hxx |  9 +++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/tag/TagTable.cxx b/src/tag/TagTable.cxx
index b51bc35ba..5224404a9 100644
--- a/src/tag/TagTable.cxx
+++ b/src/tag/TagTable.cxx
@@ -51,3 +51,13 @@ tag_table_lookup_i(const struct tag_table *table, const char *name)
 
 	return TAG_NUM_OF_ITEM_TYPES;
 }
+
+const char *
+tag_table_lookup(const tag_table *table, TagType type)
+{
+	for (; table->name != nullptr; ++table)
+		if (table->type == type)
+			return table->name;
+
+	return nullptr;
+}
diff --git a/src/tag/TagTable.hxx b/src/tag/TagTable.hxx
index c050f61ac..423a1e6ad 100644
--- a/src/tag/TagTable.hxx
+++ b/src/tag/TagTable.hxx
@@ -47,4 +47,13 @@ gcc_pure
 TagType
 tag_table_lookup_i(const tag_table *table, const char *name);
 
+/**
+ * Looks up a #TagType in a tag translation table and returns its
+ * string representation.  Returns nullptr if the specified type was
+ * not found in the table.
+ */
+gcc_pure
+const char *
+tag_table_lookup(const tag_table *table, TagType type);
+
 #endif