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string encoding in NSMutableData
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string encoding in NSMutableData


  • Subject: string encoding in NSMutableData
  • From: Jaime Magiera <email@hidden>
  • Date: Wed, 8 Aug 2007 11:15:13 -0400

Hello,

I'm a little dense on string encoding and can't figure out how to successfully encode a Unicode string as hex into an NSMutableData. The data is meant to contain "a9415254" for the string "@ART" (QuickTime Metadata programming)

I create the string in one part of the code...

NSString *artistString = [NSString stringWithFormat:@"ÊRT", 0x00A9];

put it into a dictionary...

	NSMutableDictionary *testDict = [NSMutableDictionary dictionary];
	[testDict setObject:@"jaime" forKey:artistString];

//Pass the dict to another method for inclusion into the NSMutableData...

NSMutableData *output;

while(key = [enumerator nextObject])
{
value = [metadataDict objectForKey:key];

NSLog(@"the key %@", key);

output = [NSMutableData dataWithBytes:[key cStringUsingEncoding: NSUnicodeStringEncoding] length:4];
}


Instead of what I expect, the result is...

a9006100

Which appears to be the string, but with lots of padding :)

This is probably just my ignorance, so any help is appreciated.

Jaime


Jaime Magiera Sensory Research http://www.sensoryresearch.net




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