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Get all <img> Tags that are siblings?

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Join Date: Oct 2009

Posts: 1

Reputation: Psybear is an unknown quantity at this point

Solved Threads: 0

Psybear

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Newbie Poster

Get all <img> Tags that are siblings?

Oct 19th, 2009

Hi all

I need to detect all image tags in a HTML document that are siblings:

 Help with Code Tags 
 html Syntax (Toggle Plain Text) 
<p>
  <img ../>
  <img ../>
  <img ../>
</p>
<p>
  <img ../>
</p>
<p>
  <img ../>
  <img ../>
  <img ../>
</p>
<p>
  <img ../>
</p>

In the example above I need to detect the first three img tags, but not the fourth.

In contrary, I also need to detect the img tags that do NOT have direct img siblings.

Sadly I have no idea how to do this. Any hint, please? Thanks.
Josh

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Join Date: Dec 2007

Posts: 132

Reputation: hielo is on a distinguished road

Solved Threads: 21

hielo

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Junior Poster

Oct 19th, 2009

 Help with Code Tags 
 javascript Syntax (Toggle Plain Text) 
var siblings=[]
for( var i=0, limit=document.images.length-1; ++i)
{
 if( document.images[i].parentNode===document.images[i+1].parentNode)
 siblings[siblings.length]=i;
}
alert( siblings.join("\n") );
var siblings=[]
for( var i=0, limit=document.images.length-1; ++i)
{
 if( document.images[i].parentNode===document.images[i+1].parentNode)
 siblings[siblings.length]=i;
}
alert( siblings.join("\n") );

•

Join Date: Dec 2007

Posts: 132

Reputation: hielo is on a distinguished road

Solved Threads: 21

hielo

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Junior Poster

Oct 19th, 2009

sorry, the for clause should be

 Help with Code Tags 
 javascript Syntax (Toggle Plain Text) 
 
for( var i=0, limit=document.images.length-1; i < limit; ++i)
...
for( var i=0, limit=document.images.length-1; i < limit; ++i)
...

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Join Date: Oct 2009

Posts: 2

Reputation: m.asfak is an unknown quantity at this point

Solved Threads: 0

m.asfak

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Newbie Poster

Oct 21st, 2009

Let's make an example that is similar to you

 Help with Code Tags 
 XML, XSLT and XPATH Syntax (Toggle Plain Text) 
<abc>
    <def>
        <img>1</img>
        <img>2</img>
        <img>3</img>
    </def>
    <ghi>
        <img>4</img>
    </ghi>
    <jkl/>
</abc>
<abc>
    <def>
        <img>1</img>
        <img>2</img>
        <img>3</img>
    </def>
    <ghi>
        <img>4</img>
    </ghi>
    <jkl/>
</abc>

Now my code will be

 Help with Code Tags 
 XML, XSLT and XPATH Syntax (Toggle Plain Text) 
<xsl:template match="/">
        <xsl:for-each select="//img[preceding-sibling::img or following-sibling::img]">
            <xsl:value-of select="."></xsl:value-of>
        </xsl:for-each>
    </xsl:template>
<xsl:template match="/">
        <xsl:for-each select="//img[preceding-sibling::img or following-sibling::img]">
            <xsl:value-of select="."></xsl:value-of>
        </xsl:for-each>
    </xsl:template>