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Re: NSString from wstring
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Re: NSString from wstring


  • Subject: Re: NSString from wstring
  • From: Alexander Cohen <email@hidden>
  • Date: Tue, 04 Mar 2008 13:31:07 -0500

thx, works like a charm.

AC

On 4-Mar-08, at 12:49 PM, email@hidden wrote:


On 4 Mar 2008, at 18:43, Alexander Cohen wrote:

Hi,

Whats the best way to get an NSString from a wstring?


This is what I do:

@interface NSString (wstring_additions)
+(NSString*) stringWithwstring:(const std::wstring&)string;
-(std::wstring) getwstring;
@end

@implementation NSString (wstring_additions)

#if TARGET_RT_BIG_ENDIAN
const NSStringEncoding kEncoding_wchar_t = CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingUTF32BE);
#else
const NSStringEncoding kEncoding_wchar_t = CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingUTF32LE);
#endif


+(NSString*) stringWithwstring:(const std::wstring&)ws
{
char* data = (char*)ws.data();
unsigned size = ws.size() * sizeof(wchar_t);

NSString* result = [[[NSString alloc] initWithBytes:data length:size encoding:kEncoding_wchar_t] autorelease];
return result;
}


-(std::wstring) getwstring
{
NSData* asData = [self dataUsingEncoding:kEncoding_wchar_t];
return std::wstring((wchar_t*)[asData bytes], [asData length] / sizeof(wchar_t));
}



Matt

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References: 
 >NSString from wstring (From: Alexander Cohen <email@hidden>)
 >Re: NSString from wstring (From: email@hidden)

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