[Xerte] Re: Converting an object to xml
Dave Burnett
d_b_burnett at hotmail.com
Wed Mar 7 15:53:37 GMT 2012
This still apply though?http://www.freelists.org/post/flashxmlengine/Looping-arrays-and-objects,1
I can't get an iteration through an object to work.
Date: Wed, 7 Mar 2012 15:26:50 +0000
From: johnathan.kemp at ntlworld.com
To: xerte at lists.nottingham.ac.uk
Subject: [Xerte] Re: Converting an object to xml
"Can you write recursive functions to dive an object?"
I've got a snorkel and some flippers - will that help :-)
This sounds like a fun project for when I have got the current release out of the way. I would like to have a save and restore facility for the scenario connector page. I think I have only used recursion once in all the time I've been programming so the current answer to your question would be no - but things change.
If we release the current version of the page in 2.18 it should be a simple swap out of the rlm file at a later date if I can get it working.
Kind regards
Johnathan
On 7 March 2012 15:18, Julian Tenney <Julian.Tenney at nottingham.ac.uk> wrote:
Perfectly feasible, but xerte hasn’t got one.
Can you write recursive functions to dive an object?
Look at the code behind inspect() in the engine. You could modify that.
From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Kemp Johnathan
Sent: 07 March 2012 15:17
To: Xerte discussion list
Subject: [Xerte] Re: Converting an object to xml
The problem I was trying to solve was one of having an object in a page, being able to dump that object as xml data to a file and then being able to recreate that object from the xml data by reloading the file at a later date.
So if you started with the objectnode[0].att
When it was converted to xml would it matter if it was generated as
<node att="value">or
<node><att>value</att></node> since either approach would recreate as an object as
node[0].att
I can understand that if you were starting with the xml you would not know which format of xml to create when converting back from the object you created and that therefore you could end up with a different XML structure to that which you started with. But if you were starting off from the object, would it not be feasible to have a conversion routine that always adopted the same approach when converting from an object to the xml data. Thus making it possible to consistently convert from the object to the xml and back again? (I know I am talking theoretically here - how you would achieve it I am not currently sure).
Is there something fundamental about xml that I am failing to grasp here?
Kind regards Johnathan
On 7 March 2012 12:05, Julian Tenney <Julian.Tenney at nottingham.ac.uk> wrote:
I don’t think you’re going to get bi-directional because
<node att=”value”> is node[0].att and <node><att>value</att></node> is node[0].att
From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Kemp Johnathan
Sent: 07 March 2012 11:21
To: Xerte discussion listSubject: [Xerte] Re: Converting an object to xml
What I was hoping to achieve was a bi-directional capability i.e.
you could go back and forth, perhaps creating your initial object from xml data, then modify the object in a page, then save it out as xml again. Then the next time you load the page you have the option of restoring a your previously saved data.
Kind regards
Johnathan On 7 March 2012 11:03, Julian Tenney <Julian.Tenney at nottingham.ac.uk> wrote:
Good question. No, not currently. Have a look for a prototype extension and I can build it in if it does what you want: it would probably not create attributes, rather full nodes for each value, and it would have to make some assumptions when naming things I think:
<object>
<property>value</property>
<array> <item>value</item>
…. </array>
…</object>
From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Kemp Johnathan
Sent: 07 March 2012 10:40
To: Xerte discussion list
Subject: [Xerte] Converting an object to xml
Xerte has the myXML.toObject() method that will construct an object from xml data. Is there an easy way to go in the other direction and convert an object into XML data?
Kind regards
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