From 5eeb90aeaa0ab78455a3e55e048df12d1ddd3b91 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Thu, 11 Nov 2010 20:31:09 +0000
Subject: added static compare function to core::Label

---
 src/core/label.cc | 11 +++++++++++
 src/core/label.h  |  5 +++++
 2 files changed, 16 insertions(+)

(limited to 'src/core')

diff --git a/src/core/label.cc b/src/core/label.cc
index d7dabc2..7f21f70 100644
--- a/src/core/label.cc
+++ b/src/core/label.cc
@@ -8,6 +8,17 @@
 
 namespace core {
 
+bool Label::compare(const Label *first, const Label *second)
+{
+	if (first->label() < second->label()) {
+		return true;
+	} else if (first->label() > second->label()) {
+		return false;
+	} else {
+		return (first->label().length() < second->label().length());
+	}
+}
+
 Label::Label()
 {
 }
diff --git a/src/core/label.h b/src/core/label.h
index 2ca40f7..582ea32 100644
--- a/src/core/label.h
+++ b/src/core/label.h
@@ -44,6 +44,11 @@ public:
 	
 	void set_name(const char *name);
 
+	/**
+	 * @brief static compare function for std::container sort functions
+	 */
+	static bool compare(const Label *first, const Label *second);
+	
 private:
 	std::string		labelstr;
 	std::string		namestr;
-- 
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