From b039d55c814324cc9a8477d9ff70c933105e68a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Teuli=C3=A8re?= <ipkiss@gmail.com>
Date: Sat, 22 Dec 2012 00:52:20 +0100
Subject: [PATCH] New utility functions: toUpper() and toLower()

---
 dic/encoding.cpp | 17 +++++++++++++++++
 dic/encoding.h   | 10 ++++++++++
 2 files changed, 27 insertions(+)

diff --git a/dic/encoding.cpp b/dic/encoding.cpp
index 8ad04f5..a10e036 100644
--- a/dic/encoding.cpp
+++ b/dic/encoding.cpp
@@ -20,6 +20,7 @@
 
 #include "config.h"
 
+#include <algorithm>
 #include <sstream>
 #include <cstdlib>
 #include <cstdarg>
@@ -287,6 +288,22 @@ string centerAndConvert(const wstring &iWstr, unsigned int iLength, char c)
 }
 
 
+wstring toUpper(const wstring &iWstr)
+{
+    wstring str = iWstr;
+    std::transform(str.begin(), str.end(), str.begin(), towupper);
+    return str;
+}
+
+
+wstring toLower(const wstring &iWstr)
+{
+    wstring str = iWstr;
+    std::transform(str.begin(), str.end(), str.begin(), towlower);
+    return str;
+}
+
+
 unsigned int readFromUTF8(wchar_t *oString, unsigned int iWideSize,
                           const char *iBuffer, unsigned int iBufSize,
                           const string &iContext)
diff --git a/dic/encoding.h b/dic/encoding.h
index d1df327..efc70f3 100644
--- a/dic/encoding.h
+++ b/dic/encoding.h
@@ -83,6 +83,16 @@ string padAndConvert(const wstring &iWstr, unsigned int iLength,
 string centerAndConvert(const wstring &iWstr, unsigned int iLength,
                         char c = ' ');
 
+/**
+ * Return the upper case version of the given string
+ */
+wstring toUpper(const wstring &iWstr);
+
+/**
+ * Return the lower case version of the given string
+ */
+wstring toLower(const wstring &iWstr);
+
 /**
  * Utility function to convert a char* buffer encoded in UTF-8 into a
  * wchar_t* string