From 84533b6cad78626b27ceb463282687918653b605 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Thu, 5 Sep 2013 19:14:39 +0200
Subject: TagBuilder: add method IsEmpty()

---
 src/tag/TagBuilder.hxx | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/tag/TagBuilder.hxx b/src/tag/TagBuilder.hxx
index c882f4d53..4eeb0c48d 100644
--- a/src/tag/TagBuilder.hxx
+++ b/src/tag/TagBuilder.hxx
@@ -65,12 +65,20 @@ public:
 	TagBuilder(const TagBuilder &other) = delete;
 	TagBuilder &operator=(const TagBuilder &other) = delete;
 
+	/**
+	 * Returns true if the tag contains no items.  This ignores the "time"
+	 * attribute.
+	 */
+	bool IsEmpty() const {
+		return items.empty();
+	}
+
 	/**
 	 * Returns true if the object contains any information.
 	 */
 	gcc_pure
 	bool IsDefined() const {
-		return time >= 0 || has_playlist || !items.empty();
+		return time >= 0 || has_playlist || !IsEmpty();
 	}
 
 	void Clear();
-- 
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