Class: Shell::Parser

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

Class Method Summary collapse

Class Method Details

.get_arguments(argv) ⇒ Object

get arguments. arguments are anything written besides the command and options. in ‘push today –list’, ‘today’ is the argument



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# File 'lib/shell/shell.rb', line 115

def self.get_arguments argv
  @arguments = Array.new
  i = 0
  argv.each {
    |e|
    
    i+= 1
    next if i == 1
    
    e_length = e.length
    if e[0,2] != "--" and e[0,1] != "-"
      
      @arguments.push e[0,e_length]
    end
    
  }
  @arguments
end

.get_command(argv = []) ⇒ Object

defines the command of the application (e.g. ‘push’ in uplift push)



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# File 'lib/shell/shell.rb', line 59

def self.get_command argv = []
  command = String.new
  
  argv.each {
    |e|
    e_length = e.length
    if (e[0,2] != "--" and e[0,1] != "-") then
        command = e
        break
    end
  }
  
  if command.empty? then
    command = ""
  end
  
  command
  
end

.get_option_value(option, argv = []) ⇒ Object

get_options



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# File 'lib/shell/shell.rb', line 96

def self.get_option_value option, argv = []
  next_item, option_value = false
  argv.each { |e|
    if next_item
      option_value = e
      break
    end
    e_length = e.length
    if e[0,2] == "--" 
      next_item = true if e[2,e_length] == option
    elsif e[0,1] == "-"
      next_item = true if e[1,e_length] == option
    end
  }
  option_value || ''
end

.get_options(argv = []) ⇒ Object

get only options in ARGV (arguments starting with - or –)



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# File 'lib/shell/shell.rb', line 80

def self.get_options argv = []
  return [] if argv.empty?
  @options = []
  
  argv.each {
    |e|
    e_length = e.length
    if e[0,2] == "--" 
      @options.push e[2,e_length]
    elsif e[0,1] == "-"
        @options.push e[1,e_length]
    end
  }
  @options
end

.is_option(option, argv = Array.new) ⇒ Object

get_options



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# File 'lib/shell/shell.rb', line 134

def self.is_option option, argv = Array.new
  argv_options = self.get_options argv
  argv_options.include?(option)
end