Class: Glark::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/glark/output/context.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Context

Returns a new instance of Context.



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# File 'lib/glark/output/context.rb', line 9

def initialize 
  @after = 0
  @before = 0
end

Instance Attribute Details

#after ⇒ Object

Returns the value of attribute after.



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# File 'lib/glark/output/context.rb', line 6

def after
  @after
end

#before ⇒ Object

Returns the value of attribute before.



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# File 'lib/glark/output/context.rb', line 7

def before
  @before
end

Instance Method Details

#add_as_option(optdata) ⇒ Object 



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# File 'lib/glark/output/context.rb', line 32

def add_as_option optdata
  optdata << {
    :tags => %w{ -C --context },
    :res  => %r{ ^ - ([1-9]\d*) $ }x,
    :arg  => [ :optional, :integer ],
    :set  => Proc.new { |val, opt, args| @after = @before = val || 2 },
    :rc   => %w{ context },
  }

  optdata << {
    :tags => %w{ --after-context -A },
    :arg  => [ :integer ],
    :set  => Proc.new { |val| @after = val },
    :rc   => %w{ after-context },
  }

  optdata << {
    :tags => %w{ --before-context -B },
    :arg  => [ :integer ],
    :set  => Proc.new { |val| @before = val },
    :rc   => %w{ before-context },
  }
end

#clear ⇒ Object 



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# File 'lib/glark/output/context.rb', line 14

def clear
  @after = 0
  @before = 0
end

#update_fields(fields) ⇒ Object 



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# File 'lib/glark/output/context.rb', line 19

def update_fields fields
  fields.each do |name, values|
    case name
    when 'context'
      @after = @before = values.last.to_i
    when 'after', 'after-context'
      @after = values.last.to_i
    when 'before', 'before-context'
      @before = values.last.to_i 
    end
  end
end