Ken - I hadn't seen that. Cool.
Here's another (easier to remember) MarkLogic-specific option for that:
xquery version "1.0-ml";
xdmp:document-insert("paths.xml",
<hello xmlns:abc="urn:X-abc">
<abc:def>
<ghi xmlns="urn:X-ghi"/>
</abc:def>
</hello>);
for $node in doc('paths.xml')//* return xdmp:path($node)
-->
/hello
/hello/*:def
/hello/*:def/*:ghi
Or, another useful thing to know:
for $node in doc('paths.xml')//* return xdmp:describe($node)
-->
fn:doc("paths.xml")/hello
fn:doc("paths.xml")/hello/*:def
fn:doc("paths.xml")/hello/*:def/*:ghi
With the result of either xdmp:describe or xdmp:path, you can pass that string
to xdmp:unpath to evaluate the expression:
for $node in doc('paths.xml')//* return xdmp:unpath(xdmp:path($node))
-->
<hello xmlns:abc="urn:X-abc">
<abc:def>
<ghi xmlns="urn:X-ghi"/>
</abc:def>
</hello>
<abc:def xmlns:abc="urn:X-abc">
<ghi xmlns="urn:X-ghi"/>
</abc:def>
<ghi xmlns:abc="urn:X-abc" xmlns="urn:X-ghi"/>
Finally, the function-mappy way, which I am trying to learn:
xdmp:unpath(xdmp:path(doc('paths.xml')//*))
Kelly
Message: 4
Date: Thu, 03 Jun 2010 23:40:45 -0400
From: "G. Ken Holman" <[email protected]>
Subject: Re: [MarkLogic Is there any code available that
simply descends through a document node and discovers and prints out
the namespace associated with each element?Dev General]
To: General Mark Logic Developer Discussion
<[email protected]>
Message-ID: <[email protected]>
Content-Type: text/plain; charset="us-ascii"; format=flowed
At 2010-06-03 16:35 -0400, Tim Meagher wrote:
>Ultimately what I'm looking for is a way to automatically discover a
>namespace in any given so that if I want to access it's contents I
>don't have to know the namespace ahead of time,
Not sure what you are saying there.
>but it would be cool to have an app that can descend a document and
>layout the xpath and namespace of each node.
I hope the example below helps. It exposes the complete path of
elements from the document element to each element in the instance.
. . . . . . . . . Ken
~/t $ cat paths.xml
<hello xmlns:abc="urn:X-abc">
<abc:def>
<ghi xmlns="urn:X-ghi"/>
</abc:def>
</hello>
~/t $ cat paths.xq
'
',
for $each in doc( 'paths.xml' )//*
return concat( '/',
string-join( $each/ancestor-or-self::*/concat('{',
namespace-uri-for-prefix(substring-before(name(.),':'),.),
'}',local-name(.)),'/'),
'
' )
~/t $ xquery paths.xq
<?xml version="1.0" encoding="UTF-8"?>
/{}hello
/{}hello/{urn:X-abc}def
/{}hello/{urn:X-abc}def/{urn:X-ghi}ghi
~/t $
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