add PBD::downcase() functions to libpbd

1 files changed, 21 insertions, 0 deletions

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>
@@ -52,6 +55,24 @@ capitalize (const string& str)
 }
 
 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)
 {
 	/* this tries to create a recognizable abbreviation