Class: InstanceAgent::CodeDeployPlugin::ApplicationSpecification::ModeInfo

Inherits:
Object
  • Object
show all
Defined in:
lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb

Overview

Helper Class for storing mode of a file

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mode) ⇒ ModeInfo

Returns a new instance of ModeInfo.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 14

def initialize(mode)
  mode = mode.to_s
  while mode.length < 3 do
    mode = "0" + mode;
  end
  if mode.length > 4
    raise AppSpecValidationException, "permission mode length incorrect: #{mode}"
  end
  mode.each_char do |char|
    if (char.ord < '0'.ord) || (char.ord > '7'.ord)
      raise AppSpecValidationException, "invalid character #{char} in permission mode #{mode}"
    end
  end
  @mode = mode
  mode_array = mode.reverse.chars.entries

  @world = mode_array[0]
  world_bits = to_bits(@world.to_i, 3)
  @world_readable = (world_bits[0] == 1)
  @world_writable = (world_bits[1] == 1)
  @world_executable = (world_bits[2] == 1)

  @group = mode_array[1]
  group_bits = to_bits(@group.to_i, 3)
  @group_readable = (group_bits[0] == 1)
  @group_writable = (group_bits[1] == 1)
  @group_executable = (group_bits[2] == 1)

  @owner = mode_array[2]
  owner_bits = to_bits(@owner.to_i, 3)
  @owner_readable = (owner_bits[0] == 1)
  @owner_writable = (owner_bits[1] == 1)
  @owner_executable = (owner_bits[2] == 1)

  special = (mode_array.length > 3) ? mode_array[3]: '0'
  special_bits = to_bits(special.to_i, 3)
  @setuid = (special_bits[0] == 1)
  @setgid = (special_bits[1] == 1)
  @sticky = (special_bits[2] == 1)
end

Instance Attribute Details

#group ⇒ Object (readonly)

Returns the value of attribute group.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 10

def group
  @group
end

#group_executable ⇒ Object (readonly)

Returns the value of attribute group_executable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 10

def group_executable
  @group_executable
end

#group_readable ⇒ Object (readonly)

Returns the value of attribute group_readable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 10

def group_readable
  @group_readable
end

#group_writable ⇒ Object (readonly)

Returns the value of attribute group_writable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 10

def group_writable
  @group_writable
end

#mode ⇒ Object (readonly)

Returns the value of attribute mode.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 8

def mode
  @mode
end

#owner ⇒ Object (readonly)

Returns the value of attribute owner.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 11

def owner
  @owner
end

#owner_executable ⇒ Object (readonly)

Returns the value of attribute owner_executable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 11

def owner_executable
  @owner_executable
end

#owner_readable ⇒ Object (readonly)

Returns the value of attribute owner_readable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 11

def owner_readable
  @owner_readable
end

#owner_writable ⇒ Object (readonly)

Returns the value of attribute owner_writable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 11

def owner_writable
  @owner_writable
end

#setgid ⇒ Object (readonly)

Returns the value of attribute setgid.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 12

def setgid
  @setgid
end

#setuid ⇒ Object (readonly)

Returns the value of attribute setuid.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 12

def setuid
  @setuid
end

#sticky ⇒ Object (readonly)

Returns the value of attribute sticky.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 12

def sticky
  @sticky
end

#world ⇒ Object (readonly)

Returns the value of attribute world.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 9

def world
  @world
end

#world_executable ⇒ Object (readonly)

Returns the value of attribute world_executable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 9

def world_executable
  @world_executable
end

#world_readable ⇒ Object (readonly)

Returns the value of attribute world_readable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 9

def world_readable
  @world_readable
end

#world_writable ⇒ Object (readonly)

Returns the value of attribute world_writable.



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 9

def world_writable
  @world_writable
end

Instance Method Details

#to_bits(num, min_size) ⇒ Object 



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# File 'lib/instance_agent/codedeploy_plugin/application_specification/mode_info.rb', line 55

def to_bits(num, min_size)
  bits = Array.new(min_size, 0)
  num_bits = num.to_s(2).split("")
  diff = [0, min_size - num_bits.length].max
  num_bits.map.with_index {|n,i| bits[i+diff] = n.to_i}
  bits
end