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Re: [newbie] Mapping a Map 101?


symantic mapping
PA wrote:

>
> On Dec 11, 2004, at 23:07, Tim Bray wrote:
>
>> If you have a Macintosh, the disks are just stuffed with "plists",  
>> which are an XML expression of a map, sort of;
>
>
> I'm familiar with property lists:
>
> http://www.javalobby.org/forums/thread.jspa?threadID=16260&tstart=0
>
>> the XML syntax is rather horrible:
>
>
> Ok... Why would you qualify it as "horrible" though? How would you  
> model it instead? I have to confess that to me it all looks like a 
> blur  of angle brackets :o)
>
> Here is how a "old style" property list look like:
>
> { user = wshakesp; birth = 1564; death = 1616; }
>
> http://developer.apple.com/documentation/Cocoa/Conceptual/ 
> PropertyLists/Concepts/OldStylePListsConcept.html
>
> Here is the equivalent XML version:
>
> <dict>
>     <key>user</key>
>     <string>wshakesp</string>
>     <key>birth</key>
>     <integer>1564</integer>
>     <key>death</key>
>     <integer>1616</integer>
> </dict>
>
> http://developer.apple.com/documentation/Cocoa/Conceptual/ 
> PropertyLists/Concepts/XMLPListsConcept.html
>
> How would you make the XML format to represent such a dictionary  
> structure less "horrible"?

xml tags are specific start/end matches. {} are not. xml has utf-nn as a 
character set. xml can be easily parsed for syntax/symantic errors. etc

>
> Cheers,
>
> PA.
>
>
>
>
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