Class: Lapidarius::Gem

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/lapidarius/gem.rb

Defined Under Namespace

Classes: KindError, NotInstalledError

Constant Summary collapse

VALID_CHARS = 
"a-zA-Z0-9\\-_\\."
INVALID_VER_CHARS = 
%w[> < = ~ !]
DEFAULT_VER = 
">= 0"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name:, version:, deps: []) ⇒ Gem

Returns a new instance of Gem.



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# File 'lib/lapidarius/gem.rb', line 33

def initialize(name:, version:, deps: [])
  @name = name
  @version = version
  @deps = deps
end

Instance Attribute Details

#deps ⇒ Object (readonly)

Returns the value of attribute deps.



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# File 'lib/lapidarius/gem.rb', line 30

def deps
  @deps
end

#dev_count ⇒ Object

Returns the value of attribute dev_count.



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# File 'lib/lapidarius/gem.rb', line 31

def dev_count
  @dev_count
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/lapidarius/gem.rb', line 30

def name
  @name
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/lapidarius/gem.rb', line 30

def version
  @version
end

Class Method Details

.factory(token) ⇒ Object 



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# File 'lib/lapidarius/gem.rb', line 17

def self.factory(token)
  token.match(/^No gems found matching/) do |m|
    fail NotInstalledError, token.gsub(/\/|\^|\$/, '')
  end
  token.match(/Gem ([#{VALID_CHARS}]+)-(.+)/) do |m|
    return new(name: m[1], version: m[2])
  end
  token.match(/([#{VALID_CHARS}]+) \((.+)\)/) do |m|
    return new(name: m[1], version: m[2])
  end
  fail KindError, "no gem can be created from #{token}"
end

Instance Method Details

#<<(dep) ⇒ Object 



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# File 'lib/lapidarius/gem.rb', line 39

def <<(dep)
  fail KindError, "#{dep.inspect} is not a valid gem" unless gem?(dep)
  @deps << dep
end

#==(gem) ⇒ Object 



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# File 'lib/lapidarius/gem.rb', line 44

def ==(gem)
  return false unless gem?(gem)
  gem.name == name && gem.version == version
end

#count ⇒ Object 



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# File 'lib/lapidarius/gem.rb', line 53

def count
  @count ||= flatten_deps!.size
end

#to_s ⇒ Object 



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# File 'lib/lapidarius/gem.rb', line 49

def to_s
  "#{name} (#{@version})"
end