libxml2 should take care of special chars of itself.
Quick and dirty Perl example:
----------- snip -----------
use strict;
use XML::LibXML;
my $xml = XML::LibXML::Document->new('1.0', 'utf-8');
my $root = XML::LibXML::Element->new('test');
$xml->setDocumentElement($root);
my $item = XML::LibXML::Element->new('item1');
$root->appendChild($item);
$item->appendText('This a string with < & > chrs, watch me!');
print $xml->toString(),"\n";
----------- snip -----------
The result of the above code should be:
<?xml version="1.0" encoding="utf-8"?>
<test><item1>This a string with < & > chrs, watch
me!</item1></test>
Otherwise, you should consider using the libxml2's
xmlEncodeEntitiesReentrant function
(http://xmlsoft.org/html/libxml-entities.html#xmlEncodeEntitiesReentrant).
In any case it doesn't mean you can put binary data in a text node,
you should sanitize the data first or use some encoding.
Hope this could help.
Regards
R.Scussat
DSPLABS Srl
[email protected]
PGP Key ID: 0x618E24FE
samaram s wrote:
But i am using libxml2 C library API's for writing string data...
I dont know what strings i will be getting in my application...It is
dynamic.
So i was wondering is there any API which could help me out to take
care of special characters.
Thanks,
Sam
On Wed, Dec 29, 2010 at 5:56 PM, Liam R E Quin <[email protected]
<mailto:[email protected]>> wrote:
On Wed, 2010-12-29 at 17:35 -0500, samaram s wrote:
> I am working with libxml2 library for one of my application.
> But in my data there are few strings which has some special
characters like
> ('&' , < , >) etc
You need to escape some of these characters in your data.
For & use & instead.
For < and > use < and >
Inside attribute values, for " and ' use " and '
(you can quote them in other places too but it is not necessary)
For example,
<activity whose="Susan's">R & D budget < 30000</activity>
might be quoted as
<activity whose="Susan's">R & D budget ^lt; 30000</activity>
You only need to quote " in attribute values if " was used for the
quotes and the same with ', like this
<activity whose='Susan's'>....
You do not need to use a DTD for any of this.
Liam
--
Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/
Pictures from old books: http://fromoldbooks.org/
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