xml - XSL group by multiple conditions -


i want group items first element value, group results items other element value 'or' condition.

i'll try explain myself following xml example

<root>      <request>         <id_master>222</id_master>         <id_x>1</id_x>         <text>hey</text>     </request>      <response>         <id_master>222</id_master>         <id_y>1</id_y>         <text>hello</text>     </response>      <request>         <id_master>222</id_master>         <id_y>1</id_y>         <text>bye..</text>     </request>      <response>         <id_master>222</id_master>         <id_x>1</id_x>         <text>bye</text>     </response>      <request>         <id_master>222</id_master>         <id_y>2</id_y>         <text>i want ice..</text>     </request>      <response>         <id_master>222</id_master>         <id_x>2</id_x>         <text>ok</text>     </response>       <request>         <id_master>333</id_master>         <id_y>5</id_y>         <text>my name is</text>     </request>      <response>         <id_master>333</id_master>         <id_x>5</id_x>         <text>alice</text>     </response>      <response>         <id_master>333</id_master>         <id_x>5</id_x>         <text>i'm bob</text>     </response>   </root>

now, in above xml file have following ids : 1. id_master 2. id_x 3. id_y

first want group each block element id_master. group results id_x or id_y, output file should be:

<div>     <h1>conversation id 222</h1>     <p>[1] hey</p>     <p>[1] hello</p>     <p>[1] bye..</p>     <p>[1] bye</p> </div>  <div>     <h1>conversation id 222</h1>     <p>[2] want ice..</p>     <p>[2] ok</p> </div>   <div>     <h1>conversation id 333</h1>     <p>[2] name is</p>     <p>[2] alice </p>     <p>[2] i'm bob </p> </div>

i succeed group first part (group id_master) i'm getting trouble group second part...

here's got far :

<xsl:key name="key_group_by_master" match="*"  use="id_master" /> <xsl:key name="key_group_by_slave" match="*"  use="id_x or id_y" />  <!-- group master elements --> <xsl:for-each select="//*[generate-id(.)=generate-id(key('key_group_by_master', id_master)[1])]">      <div>         <h1> conversation id <xsl:value-of select="id_master"/> </h1>          <!-- i'm doing wrong here ?? need ... -->         <xsl:for-each select="//*[generate-id(.)=generate-id(key('key_group_by_slave', id_x or id_y)[1])]">             <p> [<xsl:value-of select="id_x or id_y"/>] <xsl:value-of select="text"/> </p>         </xsl:for-each>     </div>  </xsl:for-each>

using xslt 1.0

i define first key as

<xsl:key name="key_group_by_master" match="root/*" use="id_master"/>

and second needs concatenate master key slave key e.g.

<xsl:key name="slave" match="root/*" use="concat(id_master, '|', id_x | id_y)"/>

the inner for-each needs be

    <xsl:for-each select="//*[generate-id(.)=generate-id(key('slave', concat(id_master, '|', id_x | id_y))[1])]">

that should long elements have either id_x or id_y not both.


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