Re: [xml] How to create an ISO-8859-1 encoded xml file?

[Daniel Veillard <veillard redhat com>]

On Wed, Apr 11, 2001 at 12:13:49AM +0200, Mark Ziegler wrote:
> Hi,
>
> actually I'm tring to produce a XML-file using libxml2-2.3.5:
>
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <info>abc</info>
>
>
> I wrote the following code for this job:
>
> void DoIt(void)
> {
>   xmlDocPtr doc;
>   xmlNodePtr n;
>
>   doc = xmlNewDoc("1.0");
>   n = xmlNewNode(NULL, "info");
>   xmlNodeSetContent(n, "abc");
>   xmlDocSetRootElement(doc, n);
>   xmlSaveFileEnc("test.xml",doc,"ISO-8859-1");
>   xmlFreeDoc(*pDoc);
> }
>
> But the result ist a runtime-error message:
> "xmlSaveFileEnc: document not in UTF8 "
>
> Why this? I think, all charactars are hold internally as UTF8?

  I think I found the bug:
    xmlNewDoc forgot to set up the charset value of doc 

 I added a new option to xmllint to test this kind of problems
called --auto :

        --auto : generate a small doc on the fly

I was able to reproduce the bug the following way:
orchis:~/XML -> ./xmllint --encode ISO-8859-1 --auto
xmlSaveFileEnc: document not in UTF8
orchis:~/XML -> 

after applying the small patch enclosed this solved the
problem:

orchis:~/XML -> ./xmllint --encode ISO-8859-1 --auto
<?xml version="1.0" encoding="ISO-8859-1"?>
<info>abc</info>
orchis:~/XML -> 

> Therefore my 1. question:
> How to modify the code to get my "encoding=..." headline?

  see enclosed patch

> 2. question:
> What to do to insert german characters in the output (to get the following 
> result):
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <info>äüö</info>

  Convert them to UTF8 strings before inserting them in the tree,
you can use the isolat1ToUTF8() routine for doing so on strings.

Daniel

-- 
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Attachment: encoding.patch
Description: Text document