Hello all...
I just love SOAP requests!!! the most annoying thing is the authentication, but
now that it's all done, it should be fairly easy to add
new stuff... like msn spaces.. it's been so long awaited but it's finally
here!!!
well.. not completly.. the protocol part is done, we still need the GUI part +
a little XML parsing magic... as I said in my commit log,
I'll send a msg here to explain the XML and how to use the Xml parsing
functions... well, it's simple.. in the attached mail, I've put
an XML file returned by ::MSNCCARD::getContactCard $email ... I hope that user
won't mind... I cropped some of the info... anyways, I ask
for 2 elements, and he has two elements, one is the 'myspace', the second is
his album... he also might have had a blog... anyways, each
element has some some info about it.. first, it's type as an attributes, then
as entries : title, url and totalNewItems ... it can also
have subelements... each subelement has as attributes a type and a lastUpdated
field... it also has a description, title, tooltip, and url
tags.. depending on the type of subElement (in the attached example, it's a
Photo from an Album element) we can have a thumbnailUrl,
webReadyUrl and albumName entries...
To access all those informations using the Xml APIs I wrote, it's easy... you
have only 3 APIs :
GetXmlNode
GetXmlEntry
GetXmlAttributes
ok.. they all take as argument an xml list... so when you have your xml as
string, do a :
set list [xml2list $xml]
then call the APIs.. first one, GetXmlNode takes an xml list and a node path
and returns a list representing that node.. example :
set x [GetXmlNode [xml2list {<node1> <node2> <node3> hello </node3> </node2>
</node1}] "node1:node2:node3"]
puts "[list2xml $x]"
would print something like : "<node3>hello</node3>"
now, as you saw, the 'node path' is a ':' separated list of tag names... the
same syntax as sxml... simple! :)
Now let's see... assuming you have <node1> <node2 /> <node2 /> <node2> I want
this one </node2> </node1>
you can get that 3rd one by calling :
GetXmlNode $xml "node1:node2" 2
(first index starts at 0)
now, the same for GetXmlEntry, only it returns the content's of a node, so on
the previous xml, a [GetXmlEntry $xml "node1:node2" 2] would
return "I want this one", you can also specify which element you want by adding
the index number (optional) in the end...
the same principle applies for GetXmlAttribute...
Now for the attached Xml, you can use some simple combinations of
GetXmlNode/Entry/Attribute to get everything you want... you should be
able to get anything using the getXmlEntry API, but the GetXmlNode might become
handy if you need a specific element.. example, you have
many subElements, in both <element> and you don't know which index it starts
for the album.. so you can do a GetXmlNode to get the
"element" tag, then do a GetXmlAttribute to get the type of the element, once
you get the album, you do a GetXmlNode to get each
subelement of the node, then you work with it with GetXmlEntry ...
Here's an example so you can understand it better :
: set xml [::MSNCCARD::getContactCard [EMAIL PROTECTED]
: set list [xml2list $xml]
: GetXmlAttribute [GetXmlNode $list
"soap:Envelope:soap:Body:GetXmlFeedResponse:GetXmlFeedResult:contactCard:elements:element"
0] ":element" type
SpaceTitle
: GetXmlAttribute [GetXmlNode $list
"soap:Envelope:soap:Body:GetXmlFeedResponse:GetXmlFeedResult:contactCard:elements:element"
1] ":element" type
Album
: GetXmlEntry $list
"soap:Envelope:soap:Body:GetXmlFeedResponse:GetXmlFeedResult:contactCard:elements:element:title"
Mathieu's space
: GetXmlEntry $list
"soap:Envelope:soap:Body:GetXmlFeedResponse:GetXmlFeedResult:contactCard:elements:element:url"
http://tchatcho84.spaces.live.com/?owner=1
etc.... it's a combination of GetXMlNode, GetXmlEntry and GetXmlAttribute...
your job to parse that now... you see why I didn't want to
parse it.. then I'd put it in an array and it would be complicated.. while I
think all the data in there is related to the GUI and it
should be parsed at the same time as the GUI is being built...
Have fun!!! and good luck!!!
now.. what should I code next... ^o)
KaKaRoTo
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