Class: Packagit::Specification

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

Constant Summary collapse

REQUIREDS = 
[:name, :version]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize {|_self| ... } ⇒ Specification

Returns a new instance of Specification.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/packagit/specification.rb', line 10

def initialize(&block)
  unless block_given?
    raise ArgumentError, "Block must be given"
  end
  yield(self)
  for required in REQUIREDS
    if self.send(required).blank?
      raise ArgumentError, "#{required} must be given (#{self.class.name})"
    end
  end
end

Instance Attribute Details

#files ⇒ Object

Returns the value of attribute files.



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# File 'lib/packagit/specification.rb', line 6

def files
  @files
end

#loaded_from ⇒ Object

Returns the value of attribute loaded_from.



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# File 'lib/packagit/specification.rb', line 6

def loaded_from
  @loaded_from
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/packagit/specification.rb', line 6

def name
  @name
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/packagit/specification.rb', line 6

def version
  @version
end

Class Method Details

.load(file) ⇒ Object

Widely inspired from rubygems



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# File 'lib/packagit/specification.rb', line 24

def self.load(file)
  code = if defined? Encoding
           File.read(file, :mode => 'r:UTF-8:-')
         else
           File.read(file)
         end
  
  code.untaint

  begin
    spec = eval(code, binding, file.to_s)

    if Packagit::Specification === spec
      spec.loaded_from = File.expand_path file.to_s
      return spec
    end
    
    warn "[#{file}] isn't a Packagit::Specification (#{spec.class} instead)."
  rescue SignalException, SystemExit
    raise
  rescue SyntaxError, Exception => e
    warn "Invalid packagit in [#{file}]: #{e}"
  end
  
  return nil
end