Thanks but here is the answer to my question. First off I should have posted
this question here as this is a pure xQuery question.
This answer was provided by David Lee on [email protected]. This solution work
for me.
In pure XQuery what you are attempting will not work ... xpath cannot have an
accessor element which is dynamic ...
but you can do something similar.
Note: The following is hand typed by memory , might have typos. Also this
assumes your document is in no namespace.
Changes need to be made to accomidate namespaces.
First off you want to return a QName not an element for getHierarchyElements
declare function oxy:getHierarchyElements() as xs:QName {
let $TagName := "Chapter Title"
(:removing the space between Chapter and Title:)
let $tokenizedString := fn:tokenize(($TagName), '\s')
let $concatString := fn:concat($tokenizedString[1],
$tokenizedString[2])
return
fn:QName("",$concatString() )
};
Then you need to change your xpath to use node-name
declare function oxy:getLevel($document as xs:string){
let $file := doc($document)
let $hierarchy := oxy:getHierarchyElements()
return
$file/report/body/row/*[ node-name(.) eq $hierarchy ]
};
————————————————
Kashif Khan, PMI-ACP
Sr. Solution Architect
Publishing Technology
Houghton Mifflin Harcourt
9400 South Park Center Loop
Orlando, FL 32819
Office: 407.345.3420
Mobile: 407.949.4697
hmhco.com
From: Damon Feldman
<[email protected]<mailto:[email protected]>>
Reply-To: MarkLogic Developer Discussion
<[email protected]<mailto:[email protected]>>
Date: Tuesday, May 28, 2013 2:27 PM
To: MarkLogic Developer Discussion
<[email protected]<mailto:[email protected]>>
Subject: Re: [MarkLogic Dev General] Unable to get the value of Element Š.
Kashif,
You need to get XML into the system to use XQuery – XQuery does not work on
strings that happen to have XML in them, but on XML documents. MarkLogic adds
“unquote,” “document-insert” etc. because there is now method in the XQuery
spec to add XML.
You must use implementation-specific methods to get the XML into the system in
the first place because XQuery as a spec does not define add/insert functions.
Yours,
Damon
From:
[email protected]<mailto:[email protected]>
[mailto:[email protected]] On Behalf Of Khan, Kashif
Sent: Friday, May 24, 2013 6:39 PM
To: MarkLogic Developer Discussion
Cc: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Unable to get the value of Element Š.
Yes I looked into that but the problem is that I can not use any MarkLogic
functions.
Best Regards,
Kashif Khan
Sent from my iPhone
On May 24, 2013, at 6:36 PM, "Danny Sokolsky"
<[email protected]<mailto:[email protected]>> wrote:
Hi Kashif,
In that case, you can use xdmp:unquote, which parses a string as XML.
Something like:
let $document :=
"<report>
<body>
<row>
<ChapterTitle>Front Matter</ChapterTitle>
</row>
</body>
</report>"
let $document2 := xdmp:unquote($document)
return $document2//ChapterTitle
From:[email protected]<mailto:[email protected]>
[mailto:[email protected]] On Behalf Of Khan, Kashif
Sent: Friday, May 24, 2013 3:31 PM
To: MarkLogic Developer Discussion
Cc: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Unable to get the value of Element Š.
Danny I am trying to resolve a problem where I have to convert text string into
the tag name and then use that to extract the value from the XML.
Best Regards,
Kashif Khan
Sent from my iPhone
On May 24, 2013, at 5:47 PM, "Danny Sokolsky"
<[email protected]<mailto:[email protected]>> wrote:
Hi Kashif,
Why not treat your XML as XML instead of a string. Then you can just use
XPath. Something like:
let $document :=
<report>
<body>
<row>
<ChapterTitle>Front Matter</ChapterTitle>
</row>
</body>
</report>
return $document//ChapterTitle
=>
<ChapterTitle>Front Matter</ChapterTitle>
-Danny
From:[email protected]<mailto:[email protected]>
[mailto:[email protected]] On Behalf Of Khan, Kashif
Sent: Friday, May 24, 2013 2:38 PM
To: MarkLogic Developer Discussion
Subject: [MarkLogic Dev General] Unable to get the value of Element Š.
Hello Everyone, I am having a problem extracting value from an element
Here is the XML on which I am trying to run my query
Let $document := "<report>
<body>
<row>
<ChapterTitle>Front Matter</ChapterTitle>
</row
</body>
</report>"
These are the functions that I have written to extract the value of the
"ChapterTitle" Tag
declare functionoxy:getHierarchyElements() {
let$TagName := "Chapter Title"
(:removing the space between Chapter and Title:)
let$tokenizedString := fn:tokenize(($TagName), '\s')
let $concatString := fn:concat($tokenizedString[1],
$tokenizedString[2])
return
element {$concatString} {''}
};
declare function oxy:getLevel($document as xs:string){
let$file :=doc($document)
let$hierarchy :=oxy:getHierarchyElements()
return
$file/report/body/row/$hierarchy
};
When I call oxy:getLevel($oxy:document) I get <ChapterTitle/> instead of
"Front Matter" from the XML file.
If I replace $file/report/body/row/$hierarchy with
$file/report/body/row/ChapterTitle I get the correct value.
Thanks for your help in advance
————————————————
Kashif Khan
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