exposed stringEncodingForEncodingNamed:

[sope] / sope-core / NGExtensions / FdExt.subproj / NSString+Encoding.m

diff --git a/sope-core/NGExtensions/FdExt.subproj/NSString+Encoding.m b/sope-core/NGExtensions/FdExt.subproj/NSString+Encoding.m
index b181258739e771d9042a119e0a985569f78225a7..af77d2a6ff99241656c79d78a3998a9de23271d8 100644 (file)
--- a/sope-core/NGExtensions/FdExt.subproj/NSString+Encoding.m
+++ b/sope-core/NGExtensions/FdExt.subproj/NSString+Encoding.m
@@ -1,5 +1,6 @@
 /*
-  Copyright (C) 2000-2005 SKYRIX Software AG
+  Copyright (C) 2000-2007 SKYRIX Software AG
+  Copyright (C) 2007      Helge Hess
 
   This file is part of SOPE.
 
@@ -30,6 +31,10 @@
 #  import <Foundation/NSByteOrder.h>
 #endif
 
+#if GNUSTEP_BASE_LIBRARY
+#import <GNUstepBase/GSMime.h>
+#endif
+
 // TODO: should move different implementations to different files ...
 
 
@@ -79,6 +84,61 @@
 
 @implementation NSString(Encoding)
 
+#if GNUSTEP_BASE_LIBRARY
+
++ (NSStringEncoding)stringEncodingForEncodingNamed:(NSString *)_encoding {
+  return [GSMimeDocument encodingFromCharset:_encoding];
+}
+
+#endif
+
+#if LIB_FOUNDATION_LIBRARY
+
++ (NSStringEncoding)stringEncodingForEncodingNamed:(NSString *)_encoding {
+  NSString *s  = [_encoding lowercaseString];
+  unsigned len = [s length];
+  
+  if (s == nil)
+    return 0;
+
+  switch(len) {
+  case 4:
+    if ([s isEqualToString:@"utf8"])
+      return NSUTF8StringEncoding;
+    break;
+    
+  case 5:
+    if ([s isEqualToString:@"utf-8"])
+      return NSUTF8StringEncoding;
+    if ([s isEqualToString:@"ascii"])
+      return NSASCIIStringEncoding;
+    break;
+    
+  case 6:
+    if ([s isEqualToString:@"latin1"])
+      return NSISOLatin1StringEncoding;
+    if ([s isEqualToString:@"latin9"])
+      return NSISOLatin9StringEncoding;
+    break;
+
+  case 10:
+    if ([s isEqualToString:@"iso-8859-1"]) 
+      return NSISOLatin1StringEncoding;
+    break;
+    
+  case 11:
+    if ([s isEqualToString:@"iso-8859-15"]) 
+      return NSISOLatin9StringEncoding;
+    break;
+  }
+  
+  NSLog(@"%s: could not derive NSStringEncoding from name: '%@'", _encoding);
+  return 0;
+}
+
+#endif
+
+
 #ifdef __linux__
 static NSString *unicharEncoding = @"UCS-2LE";
 #else