for me ls, grep, dir, find, less and more seems pretty useful to have the IDE participate
in...i.e. to make them comprehend eclipse workspace hiearchy ?
But maybe is some other kind of context dependent functionality you refer to ?
Why is there a need for this special knowledge of wether it is running in bash/command
prompt or in the IDE (in the ide, at least in eclipse current form it will basically be
running both at the same time won't it ?)
/max
Good questions:
The whole idea behind the UI api is that the plugin developer should not know if they are
in a GUI or Shell, so if we are going to support explicitly shell-specific features, then
it is probably necessary to ensure that those commands are distinguishable (made
explicitly incompatible with the IDE / generic UI API)
To be clear, I envision things like: "ls, grep, dir, find, less, more" to be
shell specific and likely not avaiable in the IDE.
e.g, this would allow you to specialize the command for the Shell, but would still create
a problem because the UICommand would be picked up by the IDE:
public abstract UIShellCommand implements UICommand {
}
So it may be best to make an entirely new interface in a new addon:
public interface UIShellCommand {
}
Which mirrors much of UICommand, but does not actually implement it. This UIShellCommand
could support the things you need like, piping, and other such stream-based redirection.
This latter strategy would require, however, that the shell support both types of
commands, so a common interface would indeed be useful here. Not the worst problem in the
world, but none-the-less, we may want to think about how to best approach this problem.
~Lincoln
On Mon, Jan 14, 2013 at 9:48 AM, "Ståle W. Pedersen"
<spederse(a)redhat.com> wrote:
hi, i might have misunderstood somewhat how the ui* classes are designed
to work, but as i can see now it there isnt any clean way to decide in
which context the commands are executed/run.
eg the only execution point atm is UICommand.execute(UIContext c)...
with no way of differentiate if the command is run in a shell or ide.
what if we could provide two methods to UIContext that returned a
ShellContext and a IDEContext?
that way we could provide useful object to the commands eg:
- console input/output: aesh support stderr/out (simulating it since it
saves it in a buffer and the flush it to the proper stream, but it works
similar). that way it will also support pipelines/redirections.
- standalone commands: eg commands that "take over" the input stream.
examples in common shellprograms are: man/less/etc...
- ++
- or is this already covered by some other way i havent figure out of
yet? :)
ståle
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Lincoln Baxter, III
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"Simpler is better."
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