Please try this stylesheet:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="xml" indent="yes" />
<xsl:key name="x" match="player" use="@state"/>
<xsl:key name="y" match="player" use="concat(@state, ':', @team)"/>
<xsl:key name="z" match="player" use="concat(@state, ':', @team, ':',
@position)"/>
<xsl:template match="/test">
<group>
<xsl:for-each select="group/player[generate-id() =
generate-id(key('x', @state)[1])]">
<xsl:variable name="state" select="@state" />
<state name="{(_at_)state}">
<xsl:for-each select="../player[generate-id() =
generate-id(key('y', concat($state, ':', @team))[1])]">
<team name="{(_at_)team}">
<xsl:variable name="team" select="@team" />
<xsl:for-each select="../player[generate-id() =
generate-id(key('z', concat($state, ':', $team, ':',
@position))[1])]">
<position name="{(_at_)position}">
<xsl:for-each select="key('z', concat($state, ':',
$team, ':', @position))">
<player name="{(_at_)name}" number="{.}"/>
</xsl:for-each>
</position>
</xsl:for-each>
</team>
</xsl:for-each>
</state>
</xsl:for-each>
</group>
</xsl:template>
</xsl:stylesheet>
This when applied to the given XML:
<test>
<group>
<player name="joe" position="pitcher" team="mets" state="ny">2</player>
<player name="mark" position="outfielder" team="mets" state="ny">11</player>
<player name="john" position="pitcher" team="mets" state="ny">23</player>
<player name="pete" position="outfielder" team="mets" state="ny">27</player>
<player name="roy" position="outfielder" team="mets" state="ny">13</player>
<player name="carl" position="infielder" team="mets" state="ny">32</player>
</group>
</test>
Produces the desired output:
<?xml version="1.0" encoding="UTF-8"?>
<group>
<state name="ny">
<team name="mets">
<position name="pitcher">
<player name="joe" number="2"/>
<player name="john" number="23"/>
</position>
<position name="outfielder">
<player name="mark" number="11"/>
<player name="pete" number="27"/>
<player name="roy" number="13"/>
</position>
<position name="infielder">
<player name="carl" number="32"/>
</position>
</team>
</state>
</group>
On 10/5/06, Minervini, Chris
<christopher(_dot_)minervini(_at_)lehman(_dot_)com> wrote:
I need to turn this:
<test>
<group>
<player name="joe" position="pitcher" team="mets"
state="ny">2</player>
<player name="mark" position="outfielder" team="mets"
state="ny">11</player>
<player name="john" position="pitcher" team="mets"
state="ny">23</player>
<player name="pete" position="outfielder" team="mets"
state="ny">27</player>
<player name="roy" position="outfielder" team="mets"
state="ny">13</player>
<player name="carl" position="infielder" team="mets"
state="ny">32</player>
</group>
</test>
Into something like this:
<group>
<state name="ny">
<team name="mets">
<position name="pitcher">
<player name="joe" number="2"/>
<player name="john" number="23"/>
</position>
<position name="outfielder">
<player name="mark" number="11"/>
<player name="pete" number="27"/>
<player name="roy" number="13"/>
</position>
<position name="infielder">
<player name="carl" number="32"/>
</position>
</team>
</state>
</group>
Assuming there can be many states, many teams and many positions
I tried to nest the Muenchian method like this:
<xsl:key name="state-grouping" match="player" use="@state"/>
<xsl:key name="team-grouping" match="player" use="@team"/>
<xsl:key name="position-grouping" match="player" use="@position"/>
<xsl:template match="test/group">
<group>
<xsl:for-each select="player[count(. |
key('state-grouping', @player_ownership_details)[1]) = 1]">
<xsl:variable name="state" select="@state"/>
<xsl:variable name="state_node_set"
select="../player[(_at_)state=$state]"/>
<state name="{$state}">
<xsl:for-each
select="$state_node_set[(count(. | key('team-grouping', @team)[1]) =
1)]">
<xsl:variable name="team"
select="@team"/>
<xsl:variable
name="team_node_set" select="$state_node_set[(_at_)team = $team]"/>
<team name="{$team}">
<xsl:for-each
select="$team_node_set[(count(. | key('position-grouping',
@position)[1]) = 1)]">
<xsl:variable
name="position" select="@position"/>
<xsl:variable
name="position_node_set" select="$team_node_set[(_at_)position =
$position]"/>
<position
name="{$position}">
<xsl:for-each select="$position_node_set">
<player name="{(_at_)name}" number="{.}" />
</xsl:for-each>
</position>
</xsl:for-each>
</team>
</xsl:for-each>
</state>
</xsl:for-each>
</group>
</xsl:template>
But it doesn't produce the correct output when I add more data (more
teams, position, etc.)
Am I using the muenchian method correctly? Is this something that can
be done? I've been working on a solution all day (with more complicated
data) and I can't seem to get it to work. Anyone out there ever pull
off something like this?
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