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Hi...
Here's hoping someone can come to the rescue on this issue for me.
I'm having a bear of a time figuring out why XML::Simple seems to
want to make both the attribute and child element of a specific
element into their own elements. I'm starting to wonder if the XML
supplied as input is illegally formatted?
As can be seen in my example here, the <platform_specific> element
has an attribute named "attribute" and another named "platform". It
also has a child element named <platform>. As can be seen in the
example output, the attribute="something" is properly maintained as
an atribute to <platform_specific>, while the platform="windows" is
being forced into becoming a child element of <platform_specific>,
resulting in two child <platform> elements with the same value.
I know that having an attribute and element of the same name and
value is redundant, and I'm not certain if it is even legit XML (if
not, someone let me know where I can find reference to this). The
input is not XML I control, so I'm looking at getting the provider to
modify it before it comes to me if their XML is illegally formatted
or some such.
My expectation is that XML::Simple would be keeping attributes where
they started, and the contents of elements where they started.
I started also trying to use XML::Smart today, and got exactly the
same behaviour, so I'm wondering if the issue is not with the perl
modules, but possibly with one of their dependencies (they both
depend upon XML::Parser and xpat right?).
My current script is attempting to simply read in the source xml
file, and write out a new copy with the same xml. My ultimate goal
is, of course, to be able to modify items within this config file,
but I need to figure out this attribute name versus element name
issue first.
Any help anyone can provide would be GREATLY appreciated.
Thanks in advance, examples are below.
- - jim -
- -- my input XML file looks like this --
<?xml version="1.0" encoding="utf-8" ?>
<config>
<platform_specific attribute="something" platform="Windows">
<platform>Windows</platform>
</platform_specific>
</config>
- -- my output XML looks like this --
<?xml version="1.0" encoding="utf-8" ?>
<config>
<platform_specific attribute="something">
<platform>Windows</platform>
<platform>Windows</platform>
</platform_specific>
</config>
- -- the basics of my perl script look like this--
use XML::Simple ;# qw(:strict); # use module
$xml = new XML::Simple; # create object
$data = $xml->XMLin($configFile,
KeepRoot => 1,
ForceArray => 'config',
); # read xml file
use Data::Dumper; # Using data dumper here is mostly useful for seeing
print Dumper($data); # the xml struct we've read in while
developing this
$output = XMLout($data,
XMLDecl => '<?xml version="1.0" encoding="utf-8" ?>',
NoSort => 0,
KeepRoot => 1,
);
- -- the $data object ends up looking like this --
$VAR1 = {
'config' => [
{
'platform_specific' => [
{
'attribute' =>
'something',
'platform' => [
'Windows',
'Windows',
'Windows'
]
}
]
}
]
};
- --------------------------------------------------------------------
JIm | subs@[EMAIL PROTECTED]
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