From 62d55223b26d7549d8583866961a8f14177fc169 Mon Sep 17 00:00:00 2001
From: Tsuda Kageyu <tsuda.kageyu@gmail.com>
Date: Tue, 11 Jun 2013 00:09:37 +0900
Subject: [PATCH] Added conversion from String to const wchar_t*

---
 taglib/toolkit/tstring.cpp |  5 +++++
 taglib/toolkit/tstring.h   | 11 ++++++++++-
 tests/test_string.cpp      |  3 +++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/taglib/toolkit/tstring.cpp b/taglib/toolkit/tstring.cpp
index d28855b8..c83118d1 100644
--- a/taglib/toolkit/tstring.cpp
+++ b/taglib/toolkit/tstring.cpp
@@ -312,6 +312,11 @@ const char *String::toCString(bool unicode) const
   return d->cstring.c_str();
 }
 
+const wchar_t *String::toCWString() const
+{
+  return d->data.c_str();
+}
+
 String::Iterator String::begin()
 {
   return d->data.begin();
diff --git a/taglib/toolkit/tstring.h b/taglib/toolkit/tstring.h
index d353bcd9..569650eb 100644
--- a/taglib/toolkit/tstring.h
+++ b/taglib/toolkit/tstring.h
@@ -205,7 +205,16 @@ namespace TagLib {
      * where memory is critical.
      */
     const char *toCString(bool unicode = false) const;
-
+    
+    /*!
+     * Returns a pointer to the wide char version of the TagLib string.  The string 
+     * is encoded in UTF-16(without BOM/CPU byte order). 
+     *
+     * /note This returns a pointer to the String's internal data without any 
+     * conversions.
+     */
+    const wchar_t *toCWString() const;
+    
     /*!
      * Returns an iterator pointing to the beginning of the string.
      */
diff --git a/tests/test_string.cpp b/tests/test_string.cpp
index f2976919..a815a0b4 100644
--- a/tests/test_string.cpp
+++ b/tests/test_string.cpp
@@ -72,6 +72,9 @@ public:
     String unicode2(unicode.to8Bit(true), String::UTF8);
     CPPUNIT_ASSERT(unicode == unicode2);
 
+	String unicode3(L"\u65E5\u672C\u8A9E");
+	CPPUNIT_ASSERT(*(unicode3.toCWString() + 1) == L'\u672C');
+
     CPPUNIT_ASSERT(strcmp(String::number(0).toCString(), "0") == 0);
     CPPUNIT_ASSERT(strcmp(String::number(12345678).toCString(), "12345678") == 0);
     CPPUNIT_ASSERT(strcmp(String::number(-12345678).toCString(), "-12345678") == 0);