Re: Adding commandline batch mode to Cocoa app
Re: Adding commandline batch mode to Cocoa app
- Subject: Re: Adding commandline batch mode to Cocoa app
- From: "Sherm Pendley" <email@hidden>
- Date: Sun, 23 Mar 2008 17:35:14 -0400
On Sun, Mar 23, 2008 at 5:08 PM, Carsten <email@hidden> wrote:
>
> Note that I am not planning to attack all this at once. I just want to
> make sane choices up front about how things would be done, skeleton it
> out, and then leave most of it for a later full implementation. I want
> to start with the core engine and the Cocoa GUI. The initial overall
> architecture should not be done later though. That might make it very
> hard to accomplish cleanly, if at all.
An alternative that hasn't been mentioned yet is to put the core engine in a
library. The Cocoa GUI would link against it, and include it in its .app
bundle. The command-line tool would also be included in the the
Contents/MacOS subdir, so as to allow the library's install_name (if it's a
.dylib) to resolve correctly for both the command-line tool and the GUI app.
You would, of course, want to create the symlink in /usr/bin as described
earlier.
Another possibility would be to write a tool that parses the command-line
options, but doesn't do the "heavy lifting" itself. Instead, it could
communicate with the .app by way of AppleScript, raw Apple Events, or some
other IPC mechanism.
One thing I would *not* do is try to write a single binary that attempts to
provide both GUI and CLI interfaces. Horses for courses, and all that. :-)
sherm--
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