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Re: [xsl] replacing selective p tags with tags with attributes


Subject: Re: [xsl] replacing selective p tags with tags with attributes
From: Dimitre Novatchev <dnovatchev@xxxxxxxxx>
Date: Thu, 18 Apr 2013 20:30:22 -0700

strip513,

Did you know that cross-posting is evil?

See this answer to your identical question asked at SO:

http://stackoverflow.com/a/16096705/36305



On Thu, Apr 18, 2013 at 8:02 PM, G. Ken Holman
<gkholman@xxxxxxxxxxxxxxxxxxxx> wrote:
> At 2013-04-18 22:38 -0400, strip513 . wrote:
>>
>>         Hey guys,
>>
>>         I have an xml file with many p tags --
>>
>>         INPUT --
>> ...
>>
>>         I want all the p tags which are above inline img class to be
>> replaced by <p channel="y.com"> and it will look like
>> ...
>>
>>         I dont want to replace any other normal p tags.So, in this
>> particular example find and replace will happen at two places.
>>
>>         I used this code,but it is not working.Please advise.Thanks.
>
>
> I advise you to look at XSLT differently, so I'm glad you posted.  You are
> treating XSLT imperatively, in a manner like Java or C or Python, and not
> taking advantage of what XSLT can do for you.  And you are trying to create
> angle brackets in your strings, which is entirely inappropriate for XSLT.
>
> Consider the working solution below that does what you ask.  It is written
> declaratively and it looks at the input as a tree of nodes, not as a string
> of angle brackets.  I declare in my stylesheet what I want the output to
> look like for a given input element.  I've characterized what is special
> about <p> element nodes that need to be written out differently, otherwise,
> all element nodes are simply copied to the result tree as they are found in
> the input tree.
>
> You need to approach solutions in a manner appropriate to the processing
> model (declarative) and data model (nodes) of XSLT.  Using purely imperative
> approaches and putting angle strings will not help you and will hinder your
> use of the language.
>
> XSLT is built for XML and with XML, it is not a language that simply
> supports XML from function calls.
>
> I hope you find this helpful.
>
> . . . . . . . Ken
>
>
> T:\ftemp>type arkle.xml
> <?xml version="1.0" encoding="UTF-8"?>
> <test>
>
>   <p>
>               <inline-img class="full">
>                 <web-main-photo>
>                   <photo src="http://yahoo.com/test.jpg"/>
>                 </web-main-photo>
>                 <data>
>                   <br/>
>                   <caption>
>                     <p> (Nick Wass/Associated Press)</p>
>                   </caption>
>                 </data>
>               </inline-img>
>             </p>
>             <p>this is content </p>
>             <p>After missing the past three games with an injured left
> leg, Martin Erat will return to the <a href="/blog/">Capitals</a>'
> lineup Saturday night at Verizon Center against the Tampa Bay
> Lightning.</p>
>             <p>Erat, 31, suffered the injury on April 6 at Florida
> when Panthers defenseman Erik Gudbranson delivered a late hit from
> behind that sent the veteran winger awkwardly into the boards. He
> avoided significant harm, though, and after five consecutive days of
> skating Erat said he's prepared to get back to game action.</p>
>         <p>
>               <inline-img class="full">
>                 <web-main-photo>
>                   <photo src="http://yahoo.com/test.jpg"/>
>                 </web-main-photo>
>                 <data>
>                   <br/>
>                   <caption>
>                     <p> (Nick Wass/Associated Press)</p>
>                   </caption>
>                 </data>
>               </inline-img>
>             </p>
>             <p>"Feeling good. Feels better every day, I'm pretty much
> ready to go," Erat said, adding that while he would have much rather
> been playing games with his new team the time to take part in practice
> and watch the system work from above should help him make a smooth
> transition.</p>
> </test>
>
> T:\ftemp>call xslt arkle.xml arkle.xsl
> <?xml version="1.0" encoding="utf-8"?><test>
>   <p channel="y">
>
>               <inline-img class="full">
>                 <web-main-photo>
>                   <photo src="http://yahoo.com/test.jpg"/>
>                 </web-main-photo>
>                 <data>
>                   <br/>
>                   <caption>
>                     <p> (Nick Wass/Associated Press)</p>
>                   </caption>
>                 </data>
>               </inline-img>
>             </p>
>             <p>this is content </p>
>             <p>After missing the past three games with an injured left
> leg, Martin Erat will return to the <a href="/blog/">Capitals</a>'
> lineup Saturday night at Verizon Center against the Tampa Bay
> Lightning.</p>
>             <p>Erat, 31, suffered the injury on April 6 at Florida
> when Panthers defenseman Erik Gudbranson delivered a late hit from
> behind that sent the veteran winger awkwardly into the boards. He
> avoided significant harm, though, and after five consecutive days of
> skating Erat said he's prepared to get back to game action.</p>
>         <p channel="y">
>
>               <inline-img class="full">
>                 <web-main-photo>
>                   <photo src="http://yahoo.com/test.jpg"/>
>                 </web-main-photo>
>                 <data>
>                   <br/>
>                   <caption>
>                     <p> (Nick Wass/Associated Press)</p>
>                   </caption>
>                 </data>
>               </inline-img>
>             </p>
>             <p>"Feeling good. Feels better every day, I'm pretty much
> ready to go," Erat said, adding that while he would have much rather
> been playing games with his new team the time to take part in practice
> and watch the system work from above should help him make a smooth
> transition.</p>
> </test>
> T:\ftemp>type arkle.xsl
> <?xml version="1.0" encoding="US-ASCII"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>                 version="1.0">
>
> <xsl:template match="p[inline-img]">
>   <p channel="y">
>     <xsl:apply-templates/>
>   </p>
> </xsl:template>
>
> <xsl:template match="@*|node()"><!--identity for all other nodes-->
>   <xsl:copy>
>     <xsl:apply-templates select="@*|node()"/>
>   </xsl:copy>
> </xsl:template>
>
> </xsl:stylesheet>
> T:\ftemp>rem Done!
>
>
> --
> Contact us for world-wide XML consulting and instructor-led training |
> Free 5-hour lecture: http://www.CraneSoftwrights.com/links/udemy.htm |
> Crane Softwrights Ltd.            http://www.CraneSoftwrights.com/s/ |
> G. Ken Holman                   mailto:gkholman@xxxxxxxxxxxxxxxxxxxx |
> Google+ profile: https://plus.google.com/116832879756988317389/about |
> Legal business disclaimers:    http://www.CraneSoftwrights.com/legal |
>



-- 
Cheers,
Dimitre Novatchev
---------------------------------------
Truly great madness cannot be achieved without significant intelligence.
---------------------------------------
To invent, you need a good imagination and a pile of junk
-------------------------------------
Never fight an inanimate object
-------------------------------------
To avoid situations in which you might make mistakes may be the
biggest mistake of all
------------------------------------
Quality means doing it right when no one is looking.
-------------------------------------
You've achieved success in your field when you don't know whether what
you're doing is work or play
-------------------------------------
Facts do not cease to exist because they are ignored.
-------------------------------------
Typing monkeys will write all Shakespeare's works in 200yrs.Will they
write all patents, too? :)
-------------------------------------
I finally figured out the only reason to be alive is to enjoy it.


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