Comments (5)
Hi,
The approach that I use in Nanoc is the following.
To define a command, read it and call .define
with the code and filename (the filename is useful because it ensures any back traces are sensible):
code = File.read(filename, encoding: 'UTF-8')
cmd = Cri::Command.define(code, filename)
I realised that .define
used this way is not documented — will fix.
You can infer the name of the command from the filename, if you wish:
command_name = File.basename(filename, '.rb')
cmd.modify { name command_name }
You can stick that code in a helper function e.g. load_command
, and then use it as follows to load subcommands:
root_cmd = load_command('commands/nanoc.rb')
root_cmd.add_cmd(load_command('commands/compile.rb'))
root_cmd.add_cmd(load_command('commands/view.rb'))
root_cmd.add_cmd(load_command('commands/deploy.rb'))
You can additionally use something like Dir[…]
to remove the repetition, if you want.
Does this solve your concern?
from cri.
The upcoming release of Cri will add .load_file
, so you’ll be able to do
root_cmd = Cri::Command.load_file('commands/nanoc.rb')
root_cmd.add_command(Cri::Command.load_file('commands/comile.rb'))
root_cmd.add_command(Cri::Command.load_file('commands/view.rb'))
root_cmd.add_command(Cri::Command.load_file('commands/check.rb'))
It is a convenient wrapper around Cri::Command.define
with a string containing code.
from cri.
… and an infer_name
option as well, e.g.
cmd = Cri::Command.load_file('commands/check.rb', infer_name: true)
cmd.name
will be check
.
from cri.
This is now released in v2.14.0.
from cri.
Perfect, thanks!
from cri.
Related Issues (20)
- Feature: Arbitrary arguments HOT 3
- Is the argument: option required when using multiple: true HOT 3
- uninitialized constant Cri::Error HOT 2
- Options propagation on subcommand tree HOT 4
- iterating over arguments fails since 2.12 HOT 2
- colored breaks awesome_print HOT 3
- Release 2.15.4 breaks semver HOT 10
- Commands without `summary` does not even show command name HOT 2
- Forbidden optional parameters set to ` nil` when not present in command line HOT 15
- Version 2.15.7 causes runtime error HOT 1
- Options from one command appear in other commands
- Consider making it clearer that --verbose is an option for the help subcommand itself HOT 4
- 2.15.8 breaks nanoc HOT 6
- Handler for command line parameters and option errors
- Platform colour detection uses outdated technique on Windows HOT 3
- Warning with ruby 2.7 HOT 3
- [Feature Request]: Change symbols with dashes/hyphens to underscores
- Add negatable long-form options HOT 1
- Enhance #param to allow :optional and a description
- make a new release? HOT 2
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