Re: duplicate occurances within strings
2004-12-16 22:21:11
Hi Mukul,
A big SORRY.
I was doing something stupid.
It works.
Arun
From: Mukul Gandhi <mukul_gandhi(_at_)yahoo(_dot_)com>
Reply-To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] duplicate occurances within strings
Date: Thu, 16 Dec 2004 20:39:24 -0800 (PST)
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
> > Please respond to
> > xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
> >
> > To
> > xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
> > cc
> >
> > 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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