Re: [Rdfapi-php-interest] [Fwd: ]

[Richard C. <ri...@cy...>]

Hi Christian,

Am 28.05.2005 um 09:13 schrieb Christian Boulanger (Bibliograph  
Development):
> another newbie question. How do I get raw XML from a model via a  
> method?

What do you mean by the "raw XML" of a model? A model is just a bunch  
of statements. There are different formats for writing a model into a  
string. RDF/XML and N3 are the most popular, and there are others  
like NTriples and TriX. I guess you want the statements of your model  
in RDF/XML format?

> There is saveAs() to save it to a file, writeAsHtml() to get it  
> hmtlentitized, and writeAsHtmlTable to have a table. What if I only  
> need the XML string to output it later with header("Content-Type:  
> text/xml")? Did I miss something here?

$model->writeRdfToString() might do what you want.

Note that RDF/XML has its own MIME type, application/rdf+xml, and  
using that is usually more appropriate than text/xml.

Richard


>
> Thanks,
>
> Christian
>
> Christian Boulanger wrote:
>
>
>> Hallo,
>>
>> I am new to RDFAPI-PHP but very impressed by the careful design  
>> and the
>> good documentation. I am stuck with a problem, however, and  
>> thought you
>> might be able to help me:
>>
>> I have a hierarchical folder structure in my database which I want to
>> display in a Mozilla XUL Tree Widget that can natively use the RDF  
>> as a
>> datasource.
>>
>> $db     = $rdf->getNewModel($datasource);
>> $dbRes  = new ResModel($db);
>>
>> if I create a root sequence like so:
>>
>> $treeRootSeq  = $dbRes->createSeq("urn:bibliograph:folder#root");
>>
>> and programmatically add members of the sequence:
>>
>> $folderRes      =
>> $dbRes->createResource("urn:bibliograph:folder#(newFolderId goes  
>> here)"); $treeRootSeq->add( $folderRes );
>>
>> the generated RDF looks like this:
>>
>> <rdf:Description rdf:about="urn:bibliograph:folder#root">
>> <rdf:_2
>> rdf:resource="urn:bibliograph:folder#89e51c22d059c6abde622855aa7f5321 
>> "/>
>> </rdf:Description>
>>
>> ....
>>
>> <rdf:Seq
>> rdf:about="urn:bibliograph:folder#828679db024d9dc591676782c63b949d">
>> <rdf:_1
>> rdf:resource="urn:bibliograph:folder#92eb042f602b699051344f1b2e25c12f 
>> "/>
>> <rdf:_2
>> rdf:resource="urn:bibliograph:folder#6c00094831008383d4e1b9cba22bf30f 
>> "/>
>> <rdf:_3
>> rdf:resource="urn:bibliograph:folder#48a124b55bfa09881264c0342d419a50 
>> "/>
>> </rdf:Seq>
>>
>> What I would like to have, however, is this:
>>
>> <rdf:Description rdf:about="urn:bibliograph:folder#root">
>>   <rdf:Seq>
>>       <rdf:li
>> rdf:resource="urn:bibliograph:folder#92eb042f602b699051344f1b2e25c12f 
>> "/>
>>       <rdf:li
>> rdf:resource="urn:bibliograph:folder#6c00094831008383d4e1b9cba22bf30f 
>> "/>
>>       <rdf:li
>> rdf:resource="urn:bibliograph:folder#48a124b55bfa09881264c0342d419a50 
>> "/>
>>    </rdf:Seq>
>> </rdf:Description>
>>
>> How do I have to code this?
>>
>> Thanks,
>>
>> Christian
>>
>>
>>
>>
>>
>>
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>
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