It is a valid xml file. Its an xml processing instruction.
the full path to that node is "/processing-instruction('define')[1]".
http://aspalliance.com/515_Working_with_XML_Processing_Instructions_in_C
as we can see in the output xmlpoke is able to find the node, but it
throws an exception when it tries to modify the value.
-Alim
________________________________
From: Bob Archer [mailto:[EMAIL PROTECTED]
Sent: April 27, 2007 4:49 PM
To: Hassam, Alim; nant-users@lists.sourceforge.net
Subject: RE: [NAnt-users] XMLPoke with Xml processing instructions
Is this a valid XML file? I know you only showed a snipit of it. What is
the full path to that node?
BOb
________________________________
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Hassam,
Alim
Sent: Friday, April 27, 2007 4:44 PM
To: nant-users@lists.sourceforge.net
Subject: [NAnt-users] XMLPoke with Xml processing instructions
Hi,
I'm having trouble doing an xml poke on an xml processing instruction.
My xml document contains a line like this:
<?define Property_ProductVersion = "2.0.4305.0" ?>
and I would like to update that version number from an nant task.
I did the following:
<target name="updateVersionNumber" description="Updates the version
number.">
<xmlpoke file="${ project.usersettings.integrationview.path
}\DataAnalyzer/Deployment/Installer/DataAnalyzerInstaller/DataAnalyzerIn
staller.wxs"
value="Test"
xpath="/processing-instruction('define')[1]"
verbose="true" />
</target>
but nant fails, it gives be the following error:
updateVersionNumber:
[xmlpoke] Attempting to load XML document in file
'C:\Views\SRVCCALBD_ADA2.0_int\DataAnalyzer\Deployment\Installer\DataAna
lyzerInstaller\DataAnalyzerInstaller.wxs'.
[xmlpoke] XML document in file
'C:\Views\SRVCCALBD_ADA2.0_int\DataAnalyzer\Deployment\Installer\DataAna
lyzerInstaller\DataAnalyzerInstaller.wxs' loaded successfully.
[xmlpoke] Selecting nodes with XPath expression
'/processing-instruction('define')[1]'.
[xmlpoke] Found '1' nodes matching XPath expression
'/processing-instruction('define')[1]'.
[xmlpoke] Updating nodes with value 'Test'.
[xmlpoke] Updating node '0'.
BUILD FAILED
C:\Views\SRVCCALBD_ADA2.0_int\DataAnalyzer\DesignImplementation\Source\d
efault.build(91,6):
Could not poke at XML file
'C:\Views\SRVCCALBD_ADA2.0_int\DataAnalyzer\Deployment\Installer\DataAna
lyzerInstaller\DataAnalyzerInstaller.wxs'.:
NAnt.Core.BuildException:
C:\Views\SRVCCALBD_ADA2.0_int\DataAnalyzer\DesignImplementation\Source\d
efault.build(91,6):
Could not poke at XML file
'C:\Views\SRVCCALBD_ADA2.0_int\DataAnalyzer\Deployment\Installer\DataAna
lyzerInstaller\DataAnalyzerInstaller.wxs'.
---> System.InvalidOperationException: Cannot set the InnerXml for the
current node because it is either read-only or cannot have children.
at System.Xml.XmlNode.set_InnerXml(String value)
at NAnt.Core.Tasks.XmlPokeTask.UpdateNodes(XmlNodeList nodes, String
value)
at NAnt.Core.Tasks.XmlPokeTask.ExecuteTask()
--- End of inner exception stack trace ---
at NAnt.Core.Tasks.XmlPokeTask.ExecuteTask()
at NAnt.Core.Task.Execute()
at NAnt.Core.Target.Execute()
at NAnt.Core.Project.Execute(String targetName, Boolean
forceDependencies)
at NAnt.Core.Project.Execute()
at NAnt.Core.Project.Run()
Total time: 0.6 seconds.
A few questions:
Am I doing something wrong? Is there another way of doing what I'm
trying to do?
Looking at the source code I see that the XMLPokeTask is trying to write
to the InnerXML field of the XMLNode. Looking online I seem to
understand that in the case of an XMLProcessingInstructionNode it should
write to the value field. If that's the case would it be a good idea to
update the XmlPokeTask to write to the value field in case of
XMLProcessingInstructionNode?
Thank you for your responses!
-Alim
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