Don't know if my solution is easier, but here it is:
<?xml version="1.0"?>
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="1.0">
<xsl:output method="text" />
<xsl:variable name="string" select="'Hello, Hello,
Hello, test, dog, cat, cat'" />
<xsl:template match="/">
<xsl:choose>
<xsl:when test="not(contains($string, ','))">
<xsl:value-of select="$string" />
</xsl:when>
<xsl:otherwise>
<!-- call remove-duplicates template, only if
the string contains at-least 2 words -->
<xsl:call-template name="remove-duplicates">
<xsl:with-param name="string"
select="translate($string, ' ', '')" />
<xsl:with-param name="newstring" select="''"
/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="remove-duplicates">
<xsl:param name="string" />
<xsl:param name="newstring" />
<xsl:choose>
<xsl:when test="$string = ''">
<xsl:value-of select="$newstring" />
</xsl:when>
<xsl:otherwise>
<xsl:if test="contains($newstring,
substring-before($string, ','))">
<xsl:call-template name="remove-duplicates">
<xsl:with-param name="string"
select="substring-after($string, ',')" />
<xsl:with-param name="newstring"
select="$newstring" />
</xsl:call-template>
</xsl:if>
<xsl:if test="not(contains($newstring,
substring-before($string, ',')))">
<xsl:variable name="temp">
<xsl:if test="$newstring = ''">
<xsl:value-of
select="substring-before($string, ',')" />
</xsl:if>
<xsl:if test="not($newstring = '')">
<xsl:value-of select="concat($newstring, ',',
substring-before($string, ','))" />
</xsl:if>
</xsl:variable>
<xsl:call-template name="remove-duplicates">
<xsl:with-param name="string"
select="substring-after($string, ',')" />
<xsl:with-param name="newstring"
select="$temp" />
</xsl:call-template>
</xsl:if>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
Regards,
Mukul
--- Christopher Hansen <chansen1(_at_)gmail(_dot_)com> wrote:
Jay,
Wow. Lots of code there. Thank you though...just
wish there were an
easier way to accomplish the task!
Thanks
Chris
On Thu, 16 Dec 2004 15:51:25 -0600,
JBryant(_at_)s-s-t(_dot_)com <JBryant(_at_)s-s-t(_dot_)com> wrote:
We had a very similar question last week, except
that that person was
getting the string from a node in the document and
didn't care about a
string-compare function. Assuming you also don't
care about a
string-compare function, here's a modification of
last week's answer that
does the job with a recursive template. If you
really do want to use a
string-compare function, someone else will have to
answer your question,
as I don't use MSXSL.
Note that my solution is case-sensitive, so Hello,
hello, cat and Cat are
all different words.
Jay Bryant
Bryant Communication Services
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
<xsl:output
method="text"
omit-xml-declaration="yes"
indent="no"
/>
<xsl:template match="/">
<xsl:variable name="theString" select="Hello,
Hello, Hello, test, dog,
cat, cat"/>
<xsl:call-template name="makeList">
<xsl:with-param name="textIn"
select="translate($theString, ',',
'')"/>
<xsl:with-param name="wordsSoFar"/>
</xsl:call-template>
</xsl:template>
<xsl:template name="makeList">
<xsl:param name="textIn"/>
<xsl:param name="wordsSoFar"/>
<xsl:choose>
<xsl:when test="contains($textIn, ' ')">
<xsl:variable name="firstWord"
select="substring-before($textIn, '
')"/>
<xsl:choose>
<xsl:when
test="not(contains($wordsSoFar, $firstWord))">
<xsl:variable name="newString">
<xsl:choose>
<xsl:when
test="string-length($wordsSoFar)=0">
<xsl:value-of
select="$firstWord"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of
select="$wordsSoFar"/><xsl:text>,
</xsl:text><xsl:value-of select="$firstWord"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:call-template name="makeList">
<xsl:with-param name="textIn"
select="substring-after($textIn, ' ')"/>
<xsl:with-param name="wordsSoFar"
select="$newString"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="makeList">
<xsl:with-param name="textIn"
select="substring-after($textIn, ' ')"/>
<xsl:with-param name="wordsSoFar"
select="$wordsSoFar"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:choose>
<xsl:when
test="string-length($wordsSoFar)=0">
<xsl:value-of select="$textIn"/>
</xsl:when>
<xsl:otherwise>
<xsl:choose>
<xsl:when
test="contains($wordsSoFar, $textIn)">
<xsl:value-of
select="$wordsSoFar"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of
select="$wordsSoFar"/><xsl:text>,
</xsl:text><xsl:value-of select="$textIn"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
Christopher Hansen <chansen1(_at_)gmail(_dot_)com>
12/16/2004 02:59 PM
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Subject
[xsl] duplicate occurances within strings
If i have a variable $thestring containing the
following string:
"Hello, Hello, Hello, test, dog, cat, cat"
Is there a way to use the string-compare function
to parse it and
check for duplicates within the string, and then
possibly remove those
extra occurrances...resulting in the string
"Hello, test, dog, cat"
Thanks
Chris
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