Module: Laborantin::Metaprog::Completeable

Included in:
Command, Command::Option
Defined in:
lib/laborantin/core/completeable.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#completion_block ⇒ Object (readonly)

A block to propose completion on this option



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# File 'lib/laborantin/core/completeable.rb', line 6

def completion_block
  @completion_block
end

Instance Method Details

#complete(&blk) ⇒ Object

Stores the block argument in the completion_block, usage is for DSLs



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# File 'lib/laborantin/core/completeable.rb', line 9

def complete(&blk)
  @completion_block = blk
end

#completion_propositions_iterating_on(cmd, list) ⇒ Object

Provides completion facility for comma-separated lists of args, and returns the propositions

  • removes items already in list

  • prepends commas for items not already in list



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# File 'lib/laborantin/core/completeable.rb', line 17

def completion_propositions_iterating_on(cmd, list)
  envs_on_cli = cmd.split.last.split(',').reject{|s| s.start_with?('-')}
  last_env_on_cli = envs_on_cli.last unless cmd.end_with?(',')
  last_env_on_cli ||= ''
  complete_envs_on_cli = envs_on_cli - [last_env_on_cli]

  list = list.select{|str| str.start_with?(last_env_on_cli)}
  candidate_envs = list - envs_on_cli
  candidate_envs.map{|str| (complete_envs_on_cli + [str]).join(',') } 
end