File: functx-functx-name-test-all.xq

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(:**************************************************************:)
(: Test: functx-functx-name-test-all                                  :)
(: Written by: Priscilla Walmsley (Frans Englich is maintainer) :)
(: Date: 2008-05-16+02:00                                       :)
(:**************************************************************:)

declare namespace functx = "http://www.example.com/";
(:~
 : Whether a name matches a list of names or name wildcards 
 :
 : @author  Priscilla Walmsley, Datypic 
 : @version 1.0 
 : @see     http://www.xqueryfunctions.com/xq/functx_name-test.html 
 : @param   $testname the name to test 
 : @param   $names the list of names or name wildcards 
 :) 
declare function functx:name-test 
  ( $testname as xs:string? ,
    $names as xs:string* )  as xs:boolean {
       
$testname = $names
or
$names = '*'
or
functx:substring-after-if-contains($testname,':') =
   (for $name in $names
   return substring-after($name,'*:'))
or
substring-before($testname,':') =
   (for $name in $names[contains(.,':*')]
   return substring-before($name,':*'))
 } ;

(:~
 : Performs substring-after, returning the entire string if it does not contain the delimiter 
 :
 : @author  Priscilla Walmsley, Datypic 
 : @version 1.0 
 : @see     http://www.xqueryfunctions.com/xq/functx_substring-after-if-contains.html 
 : @param   $arg the string to substring 
 : @param   $delim the delimiter 
 :) 
declare function functx:substring-after-if-contains 
  ( $arg as xs:string? ,
    $delim as xs:string )  as xs:string? {
       
   if (contains($arg,$delim))
   then substring-after($arg,$delim)
   else $arg
 } ;

let $in-xml := <pre:a xmlns:pre="http://ns/example.com/ns1">abc</pre:a>
return (functx:name-test(name($in-xml),('*')), functx:name-test(name($in-xml),('pre:*')), functx:name-test(name($in-xml),('*:a')), functx:name-test(
   name($in-xml),('pre:a','pre:b')), functx:name-test(
   name($in-xml),('a','b','c')))