Re: [xml] iterating an UTF-8 string (xmlChar)

[Daniel Veillard <veillard redhat com>]

On Thu, Jul 14, 2005 at 11:56:53AM +0200, Roberto Diaz wrote:
> > > How do I iterate the string?
> >
> >   depends what you want to do with it
> >
> >   while ( myString[i] != 0) {
> >
> >       i++;
> >   }
>
> This is ok in case I know all characters are represented by one byte..
> (this is what I understand).

  no this is *always* okay. 0 is the string terminator

> >   or you can use xmlGetUTF8Char() to go though each character code point
> > using the returned len to increment the i byte index.
>
> But it seems that len it is also a parameter expected by the function..
> actually it is an in/out parameter..  How Can I find out the size of my
> characters?

  input is length in bytes of the string
  output is length in bytes of the character returned

Daniel

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