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Replace special characters XML file

Posted on 2011-03-02
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Last Modified: 2013-11-19
I receive an XML that I run through an XSLT process each day; however, the occasional special character causes this to break. I am looking for some utility that will clean the XML & replace special characters with correct html numeric encoding. I have identified one  small program(SSR), but I don't believe it would work well for multiple iterations. Just need an idea or a utility. Thanks!
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Question by:mtnseeker
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10 Comments
 
LVL 46

Expert Comment

by:aikimark
ID: 35026594
@mtnseeker

What kind of special characters are you seeing and what do these need to be changed into?
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LVL 29

Expert Comment

by:pepr
ID: 35028326
You should attach a sample file that contains the character -- just a shortened sample.
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Author Comment

by:mtnseeker
ID: 35029860
basically what happens is within the CDATA a user will sometimes put in a fairly common special character such as ¢ and I will have to manually convert this to ¢ (correct html numeric encoding).  Basically I just need to iterate over the XML with a pre set list of special characters; probably just the basic symbols.
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LVL 46

Expert Comment

by:aikimark
ID: 35030592
Since you already have XSLT code, you could do the following

Create a routine that will iterate the values between 127 and 255.  For each value, invoke the fn:replace() function and then return the 'cleaned' string.

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alternatively, use VBscript (or similar language) to do the same thing to the entire XML file, rather on the CDATA sections.  This would be a preprocess operation to your XSLT operation.
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LVL 111

Expert Comment

by:Ray Paseur
ID: 35032762
If you have PHP available, this might be useful.
http://us.php.net/manual/en/function.htmlentities.php
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LVL 29

Expert Comment

by:pepr
ID: 35034205
What encoding uses your XML?  No explicit encoding means implicitly UTF-8.  The CDATA sections are no exception.  Does it mean that your XML is damaged by the character?  Or do you only want to replace the characters with code greater than 127 by the &#nnn; sequence to get the ASCII representation?
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Author Comment

by:mtnseeker
ID: 35038721
@pepr the XML is damaged and I need to replace the characters with the code greater than 127

the cdata will have the ¢, but i need to replace it with ¢ before i send to my XSLT processor

basically these one's:

&	&	&	ampersand
¢	¢	¢	cent
©	©	©	copyright
µ	µ	µ	micron
·	· ·	middle dot
¶	¶	¶	pilcrow (paragraph sign)
±	± ±	plus/minus
€	€	€	Euro
£	£	£	British Pound Sterling
®	®	®	registered
§	§	§	section
™	™	™	trademark
¥	¥	¥	Japanese Yen

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LVL 46

Accepted Solution

by:
aikimark earned 2000 total points
ID: 35038876
In doing more research on this problem, I encountered a previously unknown XSLT feature -- character-map element

http://www.devx.com/tips/Tip/37045
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LVL 29

Expert Comment

by:pepr
ID: 35039560
Why do you think the XML is damaged?  The ¢ is equal to ¢, isn't it?
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Author Closing Comment

by:mtnseeker
ID: 35040522
Mhat is exactly what I was looking...makes for a very beautiful solution just using straight XSLT
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