Class: Yap::Shell::ShellCommand

Inherits:
Command
  • Object
show all
Defined in:
lib/yap/shell/commands.rb

Instance Attribute Summary

Attributes inherited from Command

#args, #heredoc, #line, #str, #world

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Command

#initialize, #to_executable_str

Constructor Details

This class inherits a constructor from Yap::Shell::Command

Class Method Details

.===(command) ⇒ Object 



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# File 'lib/yap/shell/commands.rb', line 112

def self.===(command)
  registered_functions.detect do |name_or_pattern, *_|
    name_or_pattern.match(command)
  end
end

.define_shell_function(name_or_pattern, &blk) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/yap/shell/commands.rb', line 105

def self.define_shell_function(name_or_pattern, &blk)
  raise ArgumentError, "Must provide block when defining a shell function" unless blk
  name_or_pattern = name_or_pattern.to_s if name_or_pattern.is_a?(Symbol)
  name_or_pattern = /^#{Regexp.escape(name_or_pattern)}$/ if name_or_pattern.is_a?(String)
  (@registered_functions ||= {})[name_or_pattern] = blk
end

.registered_functions ⇒ Object 



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# File 'lib/yap/shell/commands.rb', line 101

def self.registered_functions
  (@registered_functions ||= {}).freeze
end

Instance Method Details

#to_proc ⇒ Object 



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# File 'lib/yap/shell/commands.rb', line 122

def to_proc
  self.class.registered_functions.detect do |name_or_pattern, function_body|
    return function_body if name_or_pattern.match(str)
  end
  raise "Shell function #{str} was not found!"
end

#type ⇒ Object 



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# File 'lib/yap/shell/commands.rb', line 118

def type
  :ShellCommand
end