How can I get the full XML path (as string) of a specific XmlNode ?
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Thanks
Sharon
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Thanks
Sharon
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Re: How to get the XML path of an XmlNode?
Sharon wrote:What is "the full XML Path" of a node, do you have any definition forHow can I get the full XML path (as string) of a specific XmlNode ?
that? Some XML editors can assist you constructing or maybe even
generating an XPath expression.
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Martin Honnen --- MVP XML
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Re: How to get the XML path of an XmlNode?
Lets say I have the following XML file:
<?xml version="1.0" encoding="utf.8 "?>
<System Name = "System">
<Parameters>
<T1>
<T2>
<T3>
<L3.1>111</L3.1>
<L3.1>222</L3.1>
<L3.1>333</L3.1>
<L3.1>444</L3.1>
<L3.1>555</L3.1>
</T3>
</T2>
</T1>
</Parameters>
</System>
And in some point in the code, someone does:
XmlDocument doc = new XmlDocument();
doc.LoadXml( XmlFilenAme );
XmlNode xNode = doc.SelectSingl eNode("//System/Parameters/T1/T2/T3/L3.1");
And passes this xNode to me in some other piece of code.
Now I need to know the full XML path of the given node, that in this case is
the "//System/Parameters/T1/T2/T3/L3.1".
So the question is: How can I figure out the full XML path of any given
System.Xml.XmlN ode ?
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Thanks
Sharon
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Re: How to get the XML path of an XmlNode?
Cheers,
Dimitre Novatchev
"Sharon" <SharonG@newsgr oups.nospamwrot e in message
news:521FBE3C-23C9-4E07-9332-ED0ED3F1800B@mi crosoft.com...Lets say I have the following XML file:
>
<?xml version="1.0" encoding="utf.8 "?>
<System Name = "System">
<Parameters>
<T1>
<T2>
<T3>
<L3.1>111</L3.1>
<L3.1>222</L3.1>
<L3.1>333</L3.1>
<L3.1>444</L3.1>
<L3.1>555</L3.1>
</T3>
</T2>
</T1>
</Parameters>
</System>
>
>
And in some point in the code, someone does:
XmlDocument doc = new XmlDocument();
doc.LoadXml( XmlFilenAme );
XmlNode xNode = doc.SelectSingl eNode("//System/Parameters/T1/T2/T3/L3.1");
>
And passes this xNode to me in some other piece of code.
>
Now I need to know the full XML path of the given node, that in this case
is
the "//System/Parameters/T1/T2/T3/L3.1".
>
>
>
So the question is: How can I figure out the full XML path of any given
System.Xml.XmlN ode ?
>
>
-----
Thanks
Sharon
Comment
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Re: How to get the XML path of an XmlNode?
Dimitre, thanks for your reply.
After looking at the link you have posted, I'm afraid I don't understand it.
In this link page I see only XML file. But I need to find the node XML path
by code, like the C# using any standard parser.
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Thanks
Sharon
Comment
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Re: How to get the XML path of an XmlNode?
On Mon, 20 Nov 2006 07:27:02 -0800, Sharon wrote:
The problem you have is that it is very complex to identify the index ofDimitre, thanks for your reply.
After looking at the link you have posted, I'm afraid I don't understand it.
In this link page I see only XML file. But I need to find the node XML path
by code, like the C# using any standard parser.
>
>
------
Thanks
Sharon
the elements in a node path, and that's what the example Dimittre posted is
doing.
An XmlNode has a ParentNode method, so you can just walk back up the tree,
reading the name of each node, and that might give you something like
System/Parameters/T1/T2/T3/L3.1
The problem is that you also need the index of items that are part of a
repeating node:
System/Parameters/T1/T2/T3/L3.1[3]
Your example says 'doc.SelectSing leNode', but there are 5 nodes in your
document, so walking back up the tree will give you a simple XPath to the
first node (if there are no repeating elements further up the tree), but
this is a far from suitable solution.
Why do you need the XPath expression? What is it being used for?
Cheers,
Gadget
Comment
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Re: How to get the XML path of an XmlNode?
"Sharon" <SharonG@newsgr oups.nospamwrot e in message
news:4283C7C2-F832-469F-B1A6-B3BAB09FA724@mi crosoft.com...Dimitre, thanks for your reply.
After looking at the link you have posted, I'm afraid I don't understand
it.
In this link page I see only XML file. But I need to find the node XML
path
by code, like the C# using any standard parser.
Sharon,
The XSLT code is probably simpler than any C# code doing the same and much
more portable.
If I can say one thing to be remembered is that at present XSLT is the best
programming language for tree manipulation/transformation.
It is also not a bad functional programming language and has some very
efficient implementations .
Cheers,
Dimitre Novatchev
Comment
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Re: How to get the XML path of an XmlNode?
Sharon wrote:Open the file in Emacs with psgml.How can I get the full XML path (as string) of a specific XmlNode ?
Press C-c C-w
That gives you the element descendancy.
Change all occurrences of "in" to a slash to get a path.
If you need the enumerated descendancy (as you imply by the use of the
word "full"), install David Megginson's psgml-xpointer.el and type
M-x sgml-xpointer RET
That gives you the full (TEI-format) location ladder. I don't know of a
function to return the XPath, but there's probably one out there. Most
other decent editors will have similar functions.
///Peter
--
XML FAQ: http://xml.silmaril.ie/
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