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Re: About Strings and reference of strings
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Jan Svitok
Jan 9, 2007, 6:49:08 AM1/9/07
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On 1/9/07, Jonas Pfenniger <zim...@oree.ch> wrote:
> Hello,
>
> while writing a simple syslog message parser, something struck me and now I
> would like to know :
> What happens internally if you make a new string from a range of another
> string ?
>
> You have a new String object. But what happens to the internal data ? Is the
> char range copied to the new string object or is a reference created to the
> range in the old string ?
>
> If the data is copied over, I propose to introduce a new RefString Class as
> a C extension that would typically be used by parsers and tokenizers.
>
> Cheers,
> zimbatm
> Hello,
>
> while writing a simple syslog message parser, something struck me and now I
> would like to know :
> What happens internally if you make a new string from a range of another
> string ?
>
> You have a new String object. But what happens to the internal data ? Is the
> char range copied to the new string object or is a reference created to the
> range in the old string ?
>
> If the data is copied over, I propose to introduce a new RefString Class as
> a C extension that would typically be used by parsers and tokenizers.
>
> Cheers,
> zimbatm
You can see for yourself in string.c ;-)
Arrays are shared, so I *suppose* Strings are as well.
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