From c1e90feb0a0de125ac6e3e267f6cedf39743ab1a Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Fri, 26 Apr 2013 17:07:18 +0200
Subject: [PATCH] Add utility functions to convert between string/wstring

---
 src/Base/Tools.cpp | 20 ++++++++++++++++++++
 src/Base/Tools.h   |  2 ++
 2 files changed, 22 insertions(+)

diff --git a/src/Base/Tools.cpp b/src/Base/Tools.cpp
index 43f845f0c..4cbab7b9d 100644
--- a/src/Base/Tools.cpp
+++ b/src/Base/Tools.cpp
@@ -24,6 +24,8 @@
 #include "PreCompiled.h"
 #ifndef _PreComp_
 # include <sstream>
+# include <locale>
+# include <iostream>
 #endif
 
 # include <QTime>
@@ -122,6 +124,24 @@ std::string Base::Tools::getIdentifier(const std::string& name)
     return CleanName;
 }
 
+std::wstring Base::Tools::widen(const std::string& str)
+{
+    std::wostringstream wstm;
+    const std::ctype<wchar_t>& ctfacet = std::use_facet< std::ctype<wchar_t> >(wstm.getloc());
+    for (size_t i=0; i<str.size(); ++i)
+        wstm << ctfacet.widen(str[i]);
+    return wstm.str();
+}
+
+std::string Base::Tools::narrow(const std::wstring& str)
+{
+    std::ostringstream stm;
+    const std::ctype<char>& ctfacet = std::use_facet< std::ctype<char> >(stm.getloc());
+    for (size_t i=0; i<str.size(); ++i)
+        stm << ctfacet.narrow(str[i], 0);
+    return stm.str();
+}
+
 // ----------------------------------------------------------------------------
 
 using namespace Base;
diff --git a/src/Base/Tools.h b/src/Base/Tools.h
index c73d014be..43cbaa4d6 100644
--- a/src/Base/Tools.h
+++ b/src/Base/Tools.h
@@ -151,6 +151,8 @@ struct BaseExport Tools
     static std::string getUniqueName(const std::string&, const std::vector<std::string>&,int d=0);
     static std::string addNumber(const std::string&, unsigned int, int d=0);
     static std::string getIdentifier(const std::string&);
+    static std::wstring widen(const std::string& str);
+    static std::string narrow(const std::wstring& str);
 };
 
 } // namespace Base