On Jun 18, 2008, at 1:25 AM, Andrew Farmer wrote:
On 17 Jun 08, at 23:16, Wayne Shao wrote:
In my UI, a user may type in any string into a NSTextField, e.g.
Chinese characters.
Do I assume the return value from
NSString * value = [textField stringValue]
is always encoded with UTF8?
NSStrings are encoding-independent. They represent strings, not
sequences of bytes.
I need to convert this to a properly url encoded value as a GET
parameter.
[value
stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding] will
return a string with proper UTF-8 percent escaping.
And if you want to get a byte sequence in a particular encoding from a
string, you can use one of:
-[NSString cStringUsingEncoding:]
-[NSString getCString:maxLength:encoding:]
-[NSString dataUsingEncoding:allowLossyConversion:]
-[NSString UTF8String]
Cheers,
Ken
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