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Scala | 9 Aug 2010 09:28
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Re: [scala-bts] #1118: Represent empty XML elements in short form

#1118: Represent empty XML elements in short form
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Reporter:  brian0       |        Owner:  scala-xml_team
    Type:  enhancement  |       Status:  new           
Priority:  normal       |    Component:  XML support   
 Version:  Scala 2.8.0  |   Resolution:                
Keywords:  xml          |  
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Changes (by rytz):

 * cc: acruise (added)
  * owner:  acruise => scala-xml_team
  * status:  assigned => new

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Ticket URL: <https://lampsvn.epfl.ch/trac/scala/ticket/1118#comment:12>
Scala <http://lampsvn.epfl.ch/trac/scala/>
Scala Programming Language
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Scala | 9 Aug 2010 16:43
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Re: [scala-bts] #1118: Represent empty XML elements in short form

#1118: Represent empty XML elements in short form
------------------------+---------------------------------------------------
Reporter:  brian0       |        Owner:  scala-xml_team
    Type:  enhancement  |       Status:  new           
Priority:  normal       |    Component:  XML support   
 Version:  Scala 2.8.0  |   Resolution:                
Keywords:  xml          |  
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Comment(by acruise):

 Can I get some feedback on my patch?  It addresses this issue, adds
 another test, and is basically ready to commit.

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Ticket URL: <https://lampsvn.epfl.ch/trac/scala/ticket/1118#comment:13>
Scala <http://lampsvn.epfl.ch/trac/scala/>
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Scala website | 21 Aug 2010 15:32
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David Winslow | 26 Aug 2010 16:03
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DTD with relative SYSTEM references

Hi all,


I have found some strange behavior related to DTD handling in the scala.xml package.

Context:
I'm dealing with stylesheets for map rendering.  Specifically, I want to create a conversion tool for importing stylesheets from Mapnik to GeoServer.  I am using the recently released stylesheets from http://open.mapquest.co.uk/ as a sample input to start.  These stylesheets are available on github at http://github.com/MapQuest/MapQuest-Mapnik-Style .

Problem:
The Mapquest styles are distributed across several files, using DTD declarations like:
<!ENTITY % entities SYSTEM "mapquest_inc/entities.xml.inc">
 
As a sort of #include mechanism.

Symptoms:
When I attempt to parse with scala.xml.XML.loadFile("mapquest-uk.xml") I get an exception: 
java.io.FileNotFoundException: /home/dwins/MapQuest-Mapnik-Style/mapquest_inc/mapquest_inc/layers-uk.xml.inc
 
The mapquest_inc segment of the path is duplicated.  Interestingly,  this is the second reference to a DTD file in the mapquest_inc/ directory; the first apparently succeeds.  If I modify the file to use absolute paths to reference the DTDs, then it succeeds.

When I attempt to parse with scala.xml.parsing.ConstructingParser.fromFile("mapquest-uk.xml", true), I simply get comments for all entity references indicating that the entity was unknown.

Moving Forward
I'd be happy to submit a patch for this if I knew where to look.  I've been poking around the sources a bit already, but I wasn't able to track down the problem further than what I described above.

thanks for any insight

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David Winslow
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