Re: Best Way to Append Bytes With Encoding To CFMutableString
Re: Best Way to Append Bytes With Encoding To CFMutableString
- Subject: Re: Best Way to Append Bytes With Encoding To CFMutableString
- From: Andreas Grosam <email@hidden>
- Date: Wed, 28 Mar 2012 16:35:43 +0200
On Mar 28, 2012, at 3:58 PM, email@hidden wrote:
>
> On 28 Mar 2012, at 14:35, Andreas Grosam wrote:
>
>> What's the preferred method to append a sequence of bytes in encoding 'encoding' (a CFStringEncoding) to a CFMutableString object?
>>
>> Well, the set of encodings which I'm interested in are the Unicode encoding schemes (UTF-8, UTF-16, UTF-16LE, UTF-16BE, etc)
>>
>> Unfortunately, there is no CFStringAppendBytes() function where I could specify the encoding.
>>
>>
> I presume that you considered CFStringAppendCString():
>
> void CFStringAppendCString (
> CFMutableStringRef theString,
> const char *cStr,
> CFStringEncoding encoding
> );
>
Yes, but:
Can I use any code-unit, even so the function indicates that only "char" is allowed? What, if I have uint32_t or uint16_t code-unit types? (I guess, I can use them anyway after a type cast.) The description is not clear about this, though.
Also, consider that Unicode NULL (U+0000) is a regular character in Unicode - which conflicts with C strings which shall be zero terminated.
So, strictly, I do NOT have C strings.
I would rather prefer a function like:
void CFStringAppendBytes (
CFMutableStringRef theString,
const void* bytes,
CFIndex numBytes,
CFStringEncoding encoding
);
Andreas
> Regards
>
> Jonathan Mitchell
> Mugginsoft LLP
>
>
>
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