Move the wstr converters to a separate header

1 files changed, 43 insertions, 0 deletions

diff --git a/common/strutils.h b/common/strutils.h
new file mode 100644
index 00000000..2bfd15fc
--- /dev/null
+++ b/common/strutils.h
@@ -0,0 +1,43 @@
+#ifndef AL_STRUTILS_H
+#define AL_STRUTILS_H
+
+#ifdef _WIN32
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include <string>
+
+inline std::string wstr_to_utf8(const WCHAR *wstr)
+{
+    std::string ret;
+
+    int len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, nullptr, 0, nullptr, nullptr);
+    if(len > 0)
+    {
+        ret.resize(len);
+        WideCharToMultiByte(CP_UTF8, 0, wstr, -1, &ret[0], len, nullptr, nullptr);
+        ret.pop_back();
+    }
+
+    return ret;
+}
+
+inline std::wstring utf8_to_wstr(const char *str)
+{
+    std::wstring ret;
+
+    int len = MultiByteToWideChar(CP_UTF8, 0, str, -1, nullptr, 0);
+    if(len > 0)
+    {
+        ret.resize(len);
+        MultiByteToWideChar(CP_UTF8, 0, str, -1, &ret[0], len);
+        ret.pop_back();
+    }
+
+    return ret;
+}
+
+#endif
+
+#endif /* AL_STRUTILS_H */