sys_string_conversions NSString*

base/sys_string_conversions.h

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_SYS_STRING_CONVERSIONS_H_
 #define BASE_SYS_STRING_CONVERSIONS_H_
 
 // Provides system-dependent string type conversions for cases where it's
 // necessary to not use ICU. Generally, you should not need this in Chrome,
 // but it is used in some shared code. Dependencies should be minimal.
 
 #include <string>
 #include "base/basictypes.h"
 
 #if defined(OS_MACOSX)
 #include <CoreFoundation/CoreFoundation.h>
+#ifdef __OBJC__
+@class NSString;
+#else
+class NSString;
 #endif
+#endif  // OS_MACOSX
 
 class StringPiece;
 
 namespace base {
 
 // Converts between wide and UTF-8 representations of a string. On error, the
 // result is system-dependent.
 std::string SysWideToUTF8(const std::wstring& wide);
 std::wstring SysUTF8ToWide(const StringPiece& utf8);
 
@@ skipping 12 matching lines @@
 // MultiByteToWideChar().
 std::wstring SysMultiByteToWide(const StringPiece& mb, uint32 code_page);
 std::string SysWideToMultiByte(const std::wstring& wide, uint32 code_page);
 
 #endif  // defined(OS_WIN)
 
 // Mac-specific ----------------------------------------------------------------
   
 #if defined(OS_MACOSX)
   
-// Converts between STL strings and CFStringRefs.
+// Converts between STL strings and CFStringRefs/NSStrings.
 
 // Creates a string, and returns it with a refcount of 1. You are responsible
 // for releasing it. Returns NULL on failure.
 CFStringRef SysUTF8ToCFStringRef(const std::string& utf8);
 CFStringRef SysWideToCFStringRef(const std::wstring& wide);
 
+// Same, but returns an autoreleased NSString.
+NSString* SysUTF8ToNSString(const std::string& utf8);
+NSString* SysWideToNSString(const std::wstring& wide);
+
 // Converts a CFStringRef to an STL string. Returns an empty string on failure.
 std::string SysCFStringRefToUTF8(CFStringRef ref);
 std::wstring SysCFStringRefToWide(CFStringRef ref);
 
+// Same, but accepts NSString input.
+std::string SysNSStringToUTF8(NSString* ref);
+std::wstring SysNSStringToWide(NSString* ref);
+
 #endif  // defined(OS_MACOSX)
   
 }  // namespace base
 
 #endif  // BASE_SYS_STRING_CONVERSIONS_H_
-