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Re: Is order in XML guaranteed?

• To: xml-dev@l...
• Subject: Re: Is order in XML guaranteed?
• From: Emmanouil Batsis <manos_lists@g...>
• Date: Tue, 16 Nov 2004 23:32:05 +0200
• In-reply-to: <945A2CFE6C33D611A49D0002A59305DB044B4A7F@SWEC9901>
• Organization: Geekologue
• References: <945A2CFE6C33D611A49D0002A59305DB044B4A7F@SWEC9901>
• User-agent: KMail/1.7.1

XML Elements have what is called 'document order'. Parsers indeed expose that, 
but the real question is whether your API is aware of document order (i 
haven't seen an API that does not, it comes natural).

The situation on attributes is not that simple.

hth,

Manos

On Tuesday 16 November 2004 22:05, Chen, Andrew . wrote:
> Hi,
>
> If we have data items like this:
> <data>
>   <d>5.0</d>
>   <d>6.0</d>
> </data>
>
> We know for sure that in the application logic, we add 5.0, and then add
> 6.0, in a specific order.  Since we are storing big amount of data (1-D
> array, usually 200 items), we want to MAKE SURE that data retrieved are in
> the right order we put in.
>
> The question is: does the XML spec, or parser spec guarantee these 2 items
> to be stored/retrieved in order ?
>
> If not, then do we have to do this:
>
> <data>
>   <d seq="1">5.0</d>
>   <d seq="2">6.0</d>
> </data>
>
>
> Thanks
> --
> Andrew H. Chen
> Engineering Computing & US BWR
> Westinghouse Electric Company
>
> (+1)-412-374-2316
>
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