sending arrays to objects
soapdog at mac.com
Sun Nov 19 08:18:15 CST 2006
that happens the send call will accept only strings, when you put an
array as parameter for that call, it is treated as a string and then
it is empty. I am by no means expert on the subject of programming
language implementations and xTalk Internals Heraldry but I think
that arrays are special states of variables and since in Rev all
variables can be treated as a string container, then many calls and
commands try to treat its params as string but when arrays are used,
this special state cannot be represented as a string value and thus
it become empty.
I use XML snippets for those sittuations or split/combine using very
strange delimiters that I know no sane man will use.
On Nov 19, 2006, at 11:21 AM, Mark Smith wrote:
> I'm building yet another table object, and I want to pass data to
> it in the form of an array, like so:
> send "importArray tArray" to group "tableObject"
> The script of the "tableObject" group has:
> on importArray tArray
> put tArray into sData -- sData is a script local variable
> end importArray
> This fails, though without an actual error - the sData variable
> remains empty.
> I tried using a dummy setProp handler:
> setProp tableData tArray
> put tArray into sData
> end tableData
> but this fails also (I didn't really expect it to work).
> Of course, I could just set a customPropertySet of the tableObject,
> but I was intending to do some checking of the data before
> accepting it and placing it in the sData variable. Actually, I
> suppose I could set a customPropertySet and then send a separate
> message to the table object that would cause it to check the
> customPropertySet...so I guess I've answered my own question!
> Still, has anyone come up against this before, and found a neat way
> to do it?
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