Re: grouping sequence question

Hi

I'm doing stylesheet for schema. had stuck by the
sequence grouping for several days
As I checked the grouping methodology on
http://www.dpawson.co.uk/xsl/sect2/N4486.html and 
http://www.jenitennison.com/xslt/grouping/
still not work out my problem by applying those
modules. And I tried to change the bottom
<xsl:apply-templates>
select="xs:element[starts-with(@ref, 'GRP')]"
mode="group"/> to 
<xsl:for-each select ="xs:element |
xs:choice/xs:element | xs:sequence/xs:element |
xs:choice/xs:sequence/*">
	<xsl:apply-templates select="key('at',
generate-id())[generate-id() !=
generate-id(current())]" mode="group"/>
</xsl:for-each>
with a new key: 
<xsl:key name="at" match="xs:element"
use="generate-id((preceding-sibling::xs:element |
self::xs:element | self::xs:sequence/xs:element) )"/>
but output below is not what I desired:
starts
PET starts
MAID starts
ends1 
PET ends
MAID ends
---11
NAME starts
 NAME ends
PHONE starts
 PHONE ends
E-MAIL starts
 E-MAIL ends
MAID starts
 MAID ends

I think the key "at" have some problem or it might
need to add a new template for the key "at", I can't
figure it out. Highly appreciate if anyone can kindly
give any thoughts to me !!

====== schema ======
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified"
attributeFormDefault="unqualified">
	<xs:element name="MSG">
		<xs:complexType>
			<xs:sequence>
				<xs:element ref="GRP1"/>
				<xs:element ref="NAME"/>
				<xs:sequence minOccurs="0">
					<xs:element ref="PET"/>
					<xs:element ref="MAID"/>
				</xs:sequence>
				<xs:element ref="PHONE"/>
				<xs:element ref="GRP2"/>
				<xs:element ref="E-MAIL"/>
			</xs:sequence>
		</xs:complexType>
	</xs:element>
</xs:schema>

======= xsl ========
<xsl:stylesheet version="1.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
xmlns:xs="http://www.w3.org/2001/XMLSchema" 
xmlns:fo="http://www.w3.org/1999/XSL/Format">
<xsl:output method="html" indent="no"/>

<xsl:key name="elements" match="xs:element"
use="generate-id((preceding-sibling::xs:element |
self::xs:element) [starts-with(@ref,
'GRP')][last()])"/>
<xsl:key name="at" match="xs:element"
use="generate-id((preceding-sibling::xs:element |
self::xs:element | self::xs:sequence/xs:element) )"/>

	<xsl:template match="xs:element" mode="group">

		<xsl:apply-templates select="." mode="start"/>
		<xsl:apply-templates select="." mode="end"/>
		<xsl:apply-templates select="key('elements',
generate-id())[generate-id() !=
generate-id(current())]" mode="start"/>
		<xsl:apply-templates select="key('elements',
generate-id())[generate-id() !=
generate-id(current())]" mode="end"/>
	</xsl:template>
	<xsl:template match="xs:element" mode="start">
		<xsl:value-of select="@ref"/>
		<xsl:text> starts &#10; </xsl:text>
	</xsl:template>
	<xsl:template match="xs:element" mode="end">
		<xsl:value-of select="@ref"/>
		<xsl:text> ends &#10;</xsl:text>
	</xsl:template>

	<xsl:template match="xs:sequence">
		<xsl:if test="ancestor::xs:element/@name='MSG'">
			<xsl:apply-templates select="key('elements', '')"
mode="start"/>
			<xsl:apply-templates select="key('elements', '')"
mode="end"/>
			<xsl:text>&#10;---11&#10;</xsl:text>

			<xsl:for-each select ="xs:element |
xs:choice/xs:element | xs:sequence/xs:element |
xs:choice/xs:sequence/*">
				<xsl:apply-templates select="key('at',
generate-id())[generate-id() !=
generate-id(current())]" mode="group"/>
				<!--xsl:apply-templates
select="xs:element[starts-with(@ref, 'GRP')]"
mode="group"/-->
			</xsl:for-each>
		</xsl:if>
	</xsl:template>

</xsl:stylesheet>

===== desired output(it's in a group sequence) ======
GRP1 starts
GRP1 ends

NAME starts
PET starts
MAID starts
PHONE starts

NAME ends
PET ends
MAID ends
PHONE ends

GRP2 starts
GRP2 ends

E-MAIL starts
E-MAIL ends

======= END =======

MANY THANKS !!
--PAUL

--- Paul <reganmian@xxxxxxxxx> wrote:
> Hi
> 
> Further to group sequence problem(xsl for schema),
> Is
> it possible to adjust the key setting, to let  
> PET starts1 
> MAID starts1 
> PET ends1 
> MAID ends1 
> occur after name, before phone(in sequence)
> 
> thanks !!
> Paul
> 
> ======== schema =======
> <xs:schema
> xmlns:xs="http://www.w3.org/2001/XMLSchema"
> elementFormDefault="qualified"
> attributeFormDefault="unqualified">
> 	<xs:element name="MSG">
> 		<xs:complexType>
> 			<xs:sequence>
> 				<xs:element ref="GRP"/>
> 				<xs:element ref="NAME"/>
> 				<xs:sequence minOccurs="0">
> 					<xs:element ref="PET"/>
> 					<xs:element ref="MAID"/>
> 				</xs:sequence>
> 				<xs:element ref="PHONE"/>
> 				<xs:element ref="E-MAIL"/>
> 			</xs:sequence>
> 		</xs:complexType>
> 	</xs:element>
> </xs:schema>
> 
> 
> ====== style sheet =========
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> xmlns:xs="http://www.w3.org/2001/XMLSchema"
> xmlns:fo="http://www.w3.org/1999/XSL/Format">
> 	<xsl:output method="html" indent="no"/>
> 	<xsl:key name="elements" match="xs:element"
> use="generate-id((preceding-sibling::xs:element |
> self::xs:element) [starts-with(@ref,
> 'GRP')][last()])"/>
> 	<xsl:key name="at" match="element" use="@name"/>
> 	<xsl:template match="xs:element" mode="group">
> 		<xsl:apply-templates select="." mode="start"/>
> 		<xsl:apply-templates select="." mode="end"/>
> 		<xsl:apply-templates select="key('elements',
> generate-id())[generate-id() !=
> generate-id(current())]" mode="start"/>
> 		<xsl:apply-templates select="key('elements',
> generate-id())[generate-id() !=
> generate-id(current())]" mode="end"/>
> 	</xsl:template>
> 	<xsl:template match="xs:element" mode="start">
> 		<xsl:value-of select="@ref"/>
> 		<xsl:text> starts1 
 </xsl:text>
> 	</xsl:template>
> 	<xsl:template match="xs:element" mode="end">
> 		<xsl:value-of select="@ref"/>
> 		<xsl:text> ends1 
</xsl:text>
> 	</xsl:template>
> 	<xsl:template match="xs:sequence">
> 		<xsl:if test="ancestor::xs:element/@name='MSG'">
> 			<xsl:apply-templates select="key('elements', '')"
> mode="start"/>
> 			<xsl:apply-templates select="key('elements', '')"
> mode="end"/>
> 			<xsl:text>
---11
</xsl:text>
> 			<xsl:apply-templates
> select="xs:element[starts-with(@ref, 'GRP')]"
> mode="group"/>
> 		</xsl:if>
> 	</xsl:template>
> </xsl:stylesheet>
> 
> ==== end ====
> 
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