From b6a9bf5d043bf74cdb5aebc11b54e0c187e225ad Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 10 Mar 2014 17:26:06 -0400
Subject: [PATCH] add PBD::downcase() functions to libpbd

---
 libs/pbd/convert.cc    | 21 +++++++++++++++++++++
 libs/pbd/pbd/convert.h |  2 ++
 2 files changed, 23 insertions(+)

diff --git a/libs/pbd/convert.cc b/libs/pbd/convert.cc
index 1787d3b70d..940aa87189 100644
--- a/libs/pbd/convert.cc
+++ b/libs/pbd/convert.cc
@@ -18,6 +18,9 @@
 */
 
 #include <cmath>
+#include <algorithm>
+#include <string> 
+
 #include <stdint.h>
 #include <stdlib.h>
 #include <cstdio>
@@ -51,6 +54,24 @@ capitalize (const string& str)
         return ret;
 }
 
+string
+downcase (const string& str)
+{
+	string copy (str);
+	std::transform (copy.begin(), copy.end(), copy.begin(), ::tolower);
+	return copy;
+}
+
+const char*
+downcase (const char* str)
+{
+	char *copy = strdup (str);
+	for (char* p = copy; *p; ++p) {
+		*p = tolower (*p);
+	}
+	return copy;
+}
+
 string
 short_version (string orig, string::size_type target_length)
 {
diff --git a/libs/pbd/pbd/convert.h b/libs/pbd/pbd/convert.h
index 6580a6e8e7..b5c7e10f5d 100644
--- a/libs/pbd/pbd/convert.h
+++ b/libs/pbd/pbd/convert.h
@@ -40,6 +40,8 @@ LIBPBD_API double  atof (const std::string&);
 LIBPBD_API std::string url_decode (std::string const &);
 
 LIBPBD_API std::string capitalize (const std::string&);
+LIBPBD_API std::string downcase (const std::string&);
+LIBPBD_API const char* downcase (const char*);
 
 // std::string length2string (const int32_t frames, const float sample_rate);
 LIBPBD_API std::string length2string (const int64_t frames, const double sample_rate);