Re: Check error in scan DTD--Description my question in detail--S orry

["LiChao (李超)" <li...@founder.com.cn>]

I feel so sorry...
If I don't know the root of the DTD,I couldn't have built the temporary XML
file at all. 
As I had wrote
<!DOCTYPE DOC SYSTEM "theMysteryDTDFile.dtd" > 
then *DOC* must be the root element!
 
But how could I finish my aim if I even don't know the root? How to parse a
DTD when I know nothing about it?

-----原始邮件-----
发件人: LiChao(李超) [mailto:lichao@founder.com.cn]
发送时间: 2001年7月6日 13:31
收件人: 'xerces-c-dev@xml.apache.org'
主题: Re: Check error in scan DTD--Description my question in detail



Hi,jas 

Maybe I hadn't descripted my question clearly. 

I have a DTD file. I don't know the content of the file. I don't know which
is the root of the DTD. Now I want to use xerces to check the syntax of the
file.In order to use the SAXParser as Jas suggested,I built a temporary XML
file as the following:

<?xml version="1.0" ?> 
<!DOCTYPE DOC SYSTEM "theMysteryDTDFile.dtd" > 

Because I know nothing about the DTD except its file name, I can't build a
complete XML file. 

Everything works well and I have parsed the DTD as I hoped.But new question
arises... 

Is there any trick to filtrate the err message of "The main XML document
cannot be empty"? 

Thanks a lot. 

Super 

> 2) Jas' answer has solved my question perfectly, but it brings another 
> question: How to filte the err message of "The main XML document cannot be

> empty"? The XML file is a temp file used to parse DTD, and I don't know 
> anything of the DTD(even the root!!), so I can't build a complete XML file

> except an file only contains the prolog. 
> 
> My temp XML file is like this: 
> <?xml version="1.0" encoding="gb2312"?> 
> <!DOCTYPE DOC SYSTEM "f:\xml_file\doc.dtd" > 

simply add the tag <DOC/> after that. 

The error message told you that you have a blank document (you just 
had the XML Declaration and the Doctype, but no xml tags. That's an 
error. 

<?xml version="1.0" encoding="gb2312"?> 
<!DOCTYPE DOC SYSTEM "f:\xml_file\doc.dtd" > 
<DOC/> 

The FAQ isn't really going to help with these kinds of questions. I 
would get a basic book on XML to start. 

jas. 

--------------------------------------------------------------------- 
To unsubscribe, e-mail: xerces-c-dev-unsubscribe@xml.apache.org 
For additional commands, e-mail: xerces-c-dev-help@xml.apache.org 

Re: Check error in scan DTD--Description my question in detail--S orry

["Jason E. Stewart" <ja...@openinformatics.com>]

"LiChao(À)" <li...@founder.com.cn> writes:

> I feel so sorry...
> If I don't know the root of the DTD,I couldn't have built the temporary XML
> file at all. 
> As I had wrote
> <!DOCTYPE DOC SYSTEM "theMysteryDTDFile.dtd" > 
> then *DOC* must be the root element!
>  
> But how could I finish my aim if I even don't know the root? How to parse a
> DTD when I know nothing about it?

Write your own error handler and when you get an error with message:
  Message: Element 'DOC' was used in the DOCTYPE but never declared

keep going and don't exit.

jas.


---------------------------------------------------------------------
To unsubscribe, e-mail: xerces-c-dev-unsubscribe@xml.apache.org
For additional commands, e-mail: xerces-c-dev-help@xml.apache.org