Re: [xml] question about encoding

[Daniel Veillard <veillard redhat com>]

On Wed, Mar 07, 2001 at 07:59:16PM +0100, Thomas Dold wrote:
> I try to create document with the encoding ISO-8859-1.
> I did like:
>    doc = xmlNewDoc((xmlChar*)"1.0"); 
>    doc->encoding = xmlStrDup((xmlChar*)"ISO-8859-1"); 
> 
> I tried to add a property to a node with:
>    xmlSetProp(node, (xmlChar*)"town", (xmlChar*)"München");
> 
> Everything works quite good, till I try to save the document
> with xmlSaveFile or xmlSaveFileEnc with the encoding ISO-8859-1.
> Then I get the error:
>    xmlSaveFileEnc: document not in UTF-8

  normal,

> Then I read the document about the internalization-support of libxml but 'm
> not sure if I understood it right.

  seems so ...

> Is it necessary to convert every string to UTF-8, befor I can use ist in a
> function like xmlSetProp?

  yes, all internal representation is in UTF8,

> In another message I found, that there are functions like isolat1ToUTF8 and
> UTF8Toisolat1. They are public defined but not in the headerfile. Should I
> use this functions for the conversions?

  yes, you can use them, I should make sure they get expeorted properly

> Is it right, that I have to convert the strings also, when I read them from
> the document e.g. with xmlGetProp?

  yes,

> Is there an easier way to work with document not encoded in UTF-8 than
> calling the conversion-functions before and after the libxml-functions?

No, the internal representation is UTF8 and that cannot be changed easilly.

Daniel

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