How to parse xml with namespase value in XMl:LibXML?

ravi06 has asked for the wisdom of the Perl Monks concerning the following question:

<book>
<book:chapter id="bk444444ch1" type="CHAPTER">
<book:locator xlink:href="/book/isbn/979-0-4444-1000-17/book-part/chap
+ter/bk444444ch1?releaseStatus=RELEASED" xlink:title="Photonic crystal
+ light-emitting sources" xlink:type="locator" xmlns:xlink="http://www
+.w3.org/1999/xlink"/>
<book:locator xlink:href="/book/isbn/979-0-4444-1000-17/book-part/chap
+ter/bk444444ch1?releaseStatus=RELEASED&amp;format=pdf" xlink:title="P
+hotonic crystal light-emitting sources" xlink:type="locator" xmlns:xl
+ink="http://www.w3.org/1999/xlink"/>
<book:locator xlink:href="/book/isbn/979-0-4444-1000-17/book-part/chap
+ter/bk444444ch1?releaseStatus=RELEASED&amp;format=epub" xlink:title="
+Photonic crystal light-emitting sources" xlink:type="locator" xmlns:x
+link="http://www.w3.org/1999/xlink"/>
</book>
[download]

How can i get "xlink:href" of first instance of book:locator?

Comment on How to parse xml with namespase value in XMl:LibXML? Download Code

Replies are listed 'Best First'.
Re: How to parse xml with namespase vale in XMl:LibXML? ( XPath error : Undefined namespace prefix ) by Anonymous Monk on Jul 08, 2013 at 09:21 UTC
Its simple, define the namespace in an xpathcontext -- isn't xml/xpath fun :) It also helps to have valid xml Re: XML::LibXML and namespaces, Re^2: Namespaced XML::LibXML XPath query (not a bug) The XML FIles: Understanding XML Namespaces, Re: XML::LibXSLT ignoring namespace on some Win32 machines (libxslt-1.1.27 bug), Re^2: XML::LibXML and namespaces, Re^2: XML::LibXML and namespaces, Re: XML::LibXML and namespaces, XPATH DOM traverse html/xml,	[reply]
Re^2: How to parse xml with namespase vale in XMl:LibXML? (xmllint --shell setns / xpathtester) by Anonymous Monk on Jul 08, 2013 at 09:40 UTC
Using http://www.xpathtester.com/ to fixup the xml I get Read more... (2 kB) And then setns/query using xmllint --shell Read more... (2 kB)	[reply] [d/l] [select]
Re^3: How to parse xml with namespase vale in XMl:LibXML? (xmllint --shell setns / xpathtester) by ravi06 (Novice) on Jul 08, 2013 at 12:10 UTC
But when I am trying to access the nodes as below I don't get any value. `print $chapter_node->findvalue('./book:locator/@xlink:href') . "\n";` [download] Could you please elaborate a bit or point out where I am committing mistake?	[reply] [d/l]
Re^4: How to parse xml with namespase vale in XMl:LibXML? (xmllint --shell setns / xpathtester) by choroba (Cardinal) on Jul 08, 2013 at 12:19 UTC
Re^5: How to parse xml with namespase vale in XMl:LibXML? (xmllint --shell setns / xpathtester) by ravi06 (Novice) on Jul 08, 2013 at 19:11 UTC
Some notes below your chosen depth have not been shown here
Re^4: How to parse xml with namespase vale in XMl:LibXML? (xmllint --shell setns / xpathtester) by Anonymous Monk on Jul 08, 2013 at 13:38 UTC


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