我有一个XSLT文档可以完成这项工作，但我想翻译成xQuery！ 我想寻找第一对堂兄和第二对堂兄。我想我只需要在xquery中转换xsl函数，但我完全是新手，有人可以帮我解决 任何帮助都会非常感激！
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:my="my:my" exclude-result-prefixes="my xs">
<xsl:output method="text"/>
<xsl:key name="kChildren" match="Child"
use="../HusbFath/*/@Ref"/>
<xsl:key name="kChildren" match="Child"
use="../WifeMoth/*/@Ref"/>
<xsl:key name="kGrandParent" match="HusbFath | WifeMoth"
use="my:GrandChildren(Link/@Ref)/*/@Ref"/>
<xsl:variable name="vDoc" select="/"/>
<xsl:template match="/*">
First Cousins:
<xsl:sequence select=
"for $first in 1 to count(/*/FamilyRec/Child),
$second in $first+1 to count(/*/FamilyRec/Child),
$pers1 in (/*/FamilyRec/Child)[$first],
$pers2 in (/*/FamilyRec/Child)[$second]
return
if(my:areFirststCousins($pers1, $pers2))
then concat('[', $pers1/*/@Ref, ',', $pers2/*/@Ref, '] ')
else ()
"/>
Second Cousins:
<xsl:sequence select=
"for $first in 1 to count(/*/FamilyRec/Child),
$second in $first+1 to count(/*/FamilyRec/Child),
$pers1 in (/*/FamilyRec/Child)[$first],
$pers2 in (/*/FamilyRec/Child)[$second]
return
if(my:areSecondCousins($pers1, $pers2))
then concat('[', $pers1/*/@Ref, ',', $pers2/*/@Ref, '] ')
else ()
"/>
</xsl:template>
<xsl:function name="my:GrandChildren">
<xsl:param name="pRef" as="xs:string?"/>
<xsl:sequence select=
"key('kChildren',
key('kChildren', $pRef, $vDoc)/Link/@Ref,
$vDoc)
"/>
</xsl:function>
<xsl:function name="my:areFirststCousins" as="xs:boolean">
<xsl:param name="pPers1" as="element()"/>
<xsl:param name="pPers2" as="element()"/>
<xsl:sequence select=
"key('kGrandParent', $pPers1/*/@Ref, $vDoc)[1]
is
key('kGrandParent', $pPers2/*/@Ref, $vDoc)[1]
and
not($pPers1/.. is $pPers2/..)
"/>
</xsl:function>
<xsl:function name="my:areSecondCousins" as="xs:boolean">
<xsl:param name="pPers1" as="element()"/>
<xsl:param name="pPers2" as="element()"/>
<xsl:sequence select=
"my:areFirststCousins($pPers1/../(HusbFath|WifeMoth)[1],
$pPers2/../(HusbFath|WifeMoth)[1]
)
"/>
</xsl:function>
</xsl:stylesheet>
输入XML文件：
<GEDCOM>
<HeaderRec>
<FileCreation Date=""></FileCreation>
<Submitter>
<Link Target="" Ref="FM001"/>
</Submitter>
</HeaderRec>
<FamilyRec Id="FM001">
<HusbFath>
<Link Target="IndividualRec" Ref="IN001"/>
</HusbFath>
<WifeMoth>
<Link Target="IndividualRec" Ref="IN002"/>
</WifeMoth>
<Child>
<Link Target="IndividualRec" Ref="IN004"/>
</Child>
<Child>
<Link Target="IndividualRec" Ref="IN007"/>
</Child>
</FamilyRec>
<FamilyRec Id="FM002">
<HusbFath>
<Link Target="IndividualRec" Ref="IN004"/>
</HusbFath>
<WifeMoth>
<Link Target="IndividualRec" Ref="IN005"/>
</WifeMoth>
<Child>
<Link Target="IndividualRec" Ref="IN006"/>
</Child>
</FamilyRec>
<FamilyRec Id="FM003">
<HusbFath>
<Link Target="IndividualRec" Ref="IN007"/>
</HusbFath>
<WifeMoth>
<Link Target="IndividualRec" Ref="IN008"/>
</WifeMoth>
<Child>
<Link Target="IndividualRec" Ref="IN009"/>
</Child>
</FamilyRec>
<IndividualRec Id="IN001">
<IndivName>Fathers name</IndivName>
<!-- This tag used for father of c1 or husband of w1 -->
<Gender>Male</Gender>
<AssocIndiv>
<Link Target="" Ref="IN002"/>
<Association>Wife</Association>
</AssocIndiv>
</IndividualRec>
<IndividualRec Id="IN002">
<!-- This tag used for mother of c1 or wife of h1 -->
<IndivName>Mother s name</IndivName>
<Gender>Male</Gender>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN001"/>
<Association>Husband</Association>
</AssocIndiv>
</IndividualRec>
<IndividualRec Id="IN003">
<!-- This tag used for a child to h1 or w1 or grand son to gm1 or gf1 -->
<IndivName>Child 1 name</IndivName>
<Gender>Male</Gender>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN001"/>
<Association>Father</Association>
</AssocIndiv>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN002"/>
<Association>Mother</Association>
</AssocIndiv>
</IndividualRec>
<IndividualRec Id="IN005">
<!-- This tag used for grand mother -->
<IndivName>Grand mother's name</IndivName>
<Gender>Male</Gender>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN004"/>
<Association>Husband</Association>
</AssocIndiv>
</IndividualRec>
<IndividualRec Id="IN004">
<!-- This tag used for grand father -->
<IndivName>Grand father's name</IndivName>
<Gender>Male</Gender>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN005"/>
<Association>Grand Father's Wife</Association>
</AssocIndiv>
</IndividualRec>
<IndividualRec Id="IN006">
<!-- This tag used for a child to h1 or w1 or grand son to gm1 or gf1 -->
<IndivName>Child 1 name</IndivName>
<Gender>Male</Gender>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN004"/>
<Association>Father</Association>
</AssocIndiv>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN005"/>
<Association>Mother</Association>
</AssocIndiv>
</IndividualRec>
<IndividualRec Id="IN007">
<!-- This tag used for grand mother -->
<IndivName>Grand mother's name</IndivName>
<Gender>Female</Gender>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN008"/>
<Association>Husband</Association>
</AssocIndiv>
</IndividualRec>
<IndividualRec Id="IN008">
<!-- This tag used for grand father -->
<IndivName>Grand father's name</IndivName>
<Gender>Male</Gender>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN007"/>
<Association>Grand Father's Wife</Association>
</AssocIndiv>
</IndividualRec>
<IndividualRec Id="IN009">
<!-- This tag used for a child to h1 or w1 or grand son to gm1 or gf1 -->
<IndivName>Child 1 name</IndivName>
<Gender>Male</Gender>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN007"/>
<Association>Father</Association>
</AssocIndiv>
<AssocIndiv>
<Link Target="IndividualRec" Ref="IN008"/>
<Association>Mother</Association>
</AssocIndiv>
</IndividualRec>
</GEDCOM>