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Re: Is split problem a grouping problem?

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Subject: Re: Is split problem a grouping problem?
From: "Terry Badger terry_badger@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 2 Feb 2018 02:12:55 -0000
Re: Is split problem a grouping problem?
Rick, From the rules this does not look like a grouping problem but rather
each section drives a file and get what it needs. Think this is close.
Fro
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema" exclude-result-prefixes="xs"
version="2.0">
B B B B <xsl:template match="book">
B B B B B B B B <wrapper>
B B B B B B B B B B B B <xsl:apply-templates select="chapter/section"/>
B B B B B B B B </wrapper>
B B B B </xsl:template>
B B B B <!-- each section drives out a file and picks up what it needs to have
-->
B B B B <xsl:template match="section">
B B B B B B B B <xsl:choose>
B B B B B B B B B B B B <!-- has intro -->
B B B B B B B B B B B B <xsl:when test=".[intro]">
B B B B B B B B B B B B B B B B <xsl:element name="file">
B B B B B B B B B B B B B B B B B B B B <xsl:copy-of
select="parent::chapter/title"/>
B B B B B B B B B B B B B B B B B B B B <xsl:if test="parent::section and
position() = 1">
B B B B B B B B B B B B B B B B B B B B B B B B <xsl:copy-of
select="parent::section/title"/>
B B B B B B B B B B B B B B B B B B B B </xsl:if>
B B B B B B B B B B B B B B B B B B B B <xsl:copy>
B B B B B B B B B B B B B B B B B B B B B B B B <xsl:copy-of select="title,
intro"/>
B B B B B B B B B B B B B B B B B B B B </xsl:copy>
B B B B B B B B B B B B B B B B </xsl:element>
B B B B B B B B B B B B </xsl:when>
B B B B B B B B B B B B <!-- no children sections -->
B B B B B B B B B B B B <xsl:when test=".[not(section)]">
B B B B B B B B B B B B B B B B <xsl:element name="file">
B B B B B B B B B B B B B B B B B B B B <xsl:if test="parent::section and
position() = 1">
B B B B B B B B B B B B B B B B B B B B B B B B <xsl:copy-of
select="parent::section/title"/>
B B B B B B B B B B B B B B B B B B B B </xsl:if>
B B B B B B B B B B B B B B B B B B B B <xsl:if test="position() = 1">
B B B B B B B B B B B B B B B B B B B B B B B B <xsl:copy-of
select="parent::chapter/title"/>
B B B B B B B B B B B B B B B B B B B B </xsl:if>
B B B B B B B B B B B B B B B B B B B B <xsl:copy-of select="."/>
B B B B B B B B B B B B B B B B </xsl:element>
B B B B B B B B B B B B </xsl:when>
B B B B B B B B B B B B <!-- recurse to get all levels -->
B B B B B B B B B B B B <xsl:otherwise>
B B B B B B B B B B B B B B B B <xsl:apply-templates select="section"/>
B B B B B B B B B B B B </xsl:otherwise>
B B B B B B B B </xsl:choose>
B B B B </xsl:template>
B B B B <!-- turn off title to output only when wanted -->
B B B B <xsl:template match="title"/>
</xsl:stylesheet>

RFFFFFjoosfofopqcds'jnfs'output
<?xml version="1.0" encoding="UTF-8"?>
<wrapper>
B B B B <file>
B B B B B B B B <title>Chapter 1</title>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.1</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.2</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <title>Section 1.3</title>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.3.1</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.3.2</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.3.3</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.3.4</title>
B B B B B B B B B B B B <intro/>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <title>Section 2.1</title>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 2.1.1</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 2.1.2</title>
B B B B B B B B B B B B <intro/>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 2.2</title>
B B B B B B B B </section>
B B B B </file>
</wrapper>
<?xml version="1.0" encoding="UTF-8"?>
<wrapper>
B B B B <file>
B B B B B B B B <title>Chapter 1</title>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.1</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.2</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <title>Section 1.3</title>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.3.1</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.3.2</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.3.3</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 1.3.4</title>
B B B B B B B B B B B B <intro/>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <title>Section 2.1</title>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 2.1.1</title>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 2.1.2</title>
B B B B B B B B B B B B <intro/>
B B B B B B B B </section>
B B B B </file>
B B B B <file>
B B B B B B B B <section>
B B B B B B B B B B B B <title>Section 2.2</title>
B B B B B B B B </section>
B B B B </file>
</wrapper>


Terry






On bThursdayb, bFebruaryb b01b, b2018b
b03b:b05b:b49b bPM, Rick Quatro rick@xxxxxxxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:





Hi, I am trying to solve a problem using XSLT 2. Here is my input:

<?xml version="1.0" encoding="UTF-8"?>
<book>
B  B  <chapter>
B  B  B  B  <title>Chapter 1</title>
B  B  B  B  <section>
B  B  B  B  B  B  <title>Section 1.1</title>
B  B  B  B  </section>
B  B  B  B  <section>
B  B  B  B  B  B  <title>Section 1.2</title>
B  B  B  B  </section>
B  B  B  B  <section>
B  B  B  B  B  B  <title>Section 1.3</title>
B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  <title>Section 1.3.1</title>
B  B  B  B  B  B  </section>
B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  <title>Section 1.3.2</title>
B  B  B  B  B  B  </section>
B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  <title>Section 1.3.3</title>
B  B  B  B  B  B  </section>
B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  <title>Section 1.3.4</title>
B  B  B  B  B  B  B  B  <intro/>
B  B  B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  B  B  <title>Section 1.3.4.1</title>
B  B  B  B  B  B  B  B  </section>
B  B  B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  B  B  <title>Section 1.3.4.2</title>
B  B  B  B  B  B  B  B  </section>
B  B  B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  B  B  <title>Section 1.3.4.3</title>
B  B  B  B  B  B  B  B  </section>
B  B  B  B  B  B  </section>
B  B  B  B  </section>
B  B  </chapter>
B  B  <chapter>
B  B  B  B  <title>Chapter 2</title>
B  B  B  B  <section>
B  B  B  B  B  B  <title>Section 2.1</title>
B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  <title>Section 2.1.1</title>
B  B  B  B  B  B  </section>
B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  <title>Section 2.1.2</title>
B  B  B  B  B  B  B  B  <intro/>
B  B  B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  B  B  <title>Section 2.1.2.1</title>
B  B  B  B  B  B  B  B  </section>
B  B  B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  B  B  <title>Section 2.1.2.2</title>
B  B  B  B  B  B  B  B  </section>
B  B  B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  B  B  <title>Section 2.1.2.3</title>
B  B  B  B  B  B  B  B  </section>
B  B  B  B  B  B  </section>
B  B  B  B  </section>
B  B  B  B  <section>
B  B  B  B  B  B  <title>Section 2.2</title>
B  B  B  B  </section>
B  B  </chapter>
</book>

I want to split this content up into separate files (eventually HTML). Here
is the desired output:

<?xml version="1.0" encoding="UTF-8"?>
<book>
B  B  <file>
B  B  B  B  <title>Chapter 1</title>
B  B  B  B  <section>
B  B  B  B  B  B  <title>Section 1.1</title>
B  B  B  B  </section>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 1.2</title>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 1.3</title>
B  B  B  B  <section>
B  B  B  B  B  B  <title>Section 1.3.1</title>
B  B  B  B  </section>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 1.3.2</title>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 1.3.3</title>
B  B  </file>
B  B  <file>
B  B  B  B  <!-- Doesn't have to be with the following child section because
it
has <intro/> content. -->
B  B  B  B  <title>Section 1.3.4</title>
B  B  B  B  <intro/>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 1.3.4.1</title>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 1.3.4.2</title>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 1.3.4.3</title>
B  B  </file>
B  B  <file>
B  B  B  B  <!-- All have to stay together because there is no content
between
the <title/> and child <section/> -->
B  B  B  B  <title>Chapter 2</title>
B  B  B  B  <section>
B  B  B  B  B  B  <title>Section 2.1</title>
B  B  B  B  B  B  <section>
B  B  B  B  B  B  B  B  <title>Section 2.1.1</title>
B  B  B  B  B  B  </section>
B  B  B  B  </section>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 2.1.2</title>
B  B  B  B  <intro/>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 2.1.2.1</title>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 2.1.2.2</title>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 2.1.2.3</title>
B  B  </file>
B  B  <file>
B  B  B  B  <title>Section 2.2</title>
B  B  </file>
</book>

The rules are as follows: A <section> can be in its own file if

1) There are no child <section> elements (like Section 1.2).
2) There is element content after the <title> and before the first child
<section> element; for example an <intro> element (like Section 1.3.4).

Otherwise, the <section> has to contain any first child descendants (like
Chapter 2 through Section 2.1.1).

This looks to me like a grouping problem where I can use
<xsl:for-each-group>. I have this as a shell but I want to make sure I am on
the right track. Thank you very much.

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
B  B  xmlns:xs="http://www.w3.org/2001/XMLSchema"
B  B  exclude-result-prefixes="xs"
B  B  version="2.0">
B  B 
B  B  <xsl:template match="/">
B  B  B  B  <xsl:for-each-group group-starting-with="//chapter|//section"
select=".">
B  B  B  B  B  B  <file>
B  B  B  B  B  B  B  B  <xsl:copy-of select="current-group()"/>
B  B  B  B  B  B  </file>
B  B  B  B  </xsl:for-each-group>
B  B  </xsl:template>
</xsl:stylesheet>

Rick
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