Class: Marshalsea::Chains::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/marshalsea/chains/base.rb

Direct Known Subclasses

ErbDefMethod, ErbDefModule, PsychInitWith

Constant Summary collapse

SUBCLASS_MUST_DEFINE = 
"chain must define"
KIND_PRIMITIVE = 
:primitive
KIND_CHAIN = 
:chain
HEADER_BYTES = 
2
HASH_WITH_ONE_ENTRY = 
"{\x06"
NIL_VALUE = 
"0"
"the payload graph contains an object link, whose index would shift " \
"when spliced behind a hash node; build it without repeated objects"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.affected_requirements ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 68

def affected_requirements
  metadata.fetch(:affected).map { |constraint| Gem::Requirement.new(constraint) }
end

.affects?(version) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/marshalsea/chains/base.rb', line 72

def affects?(version)
  candidate = Gem::Version.new(version.to_s)
  affected_requirements.any? { |requirement| requirement.satisfied_by?(candidate) }
end

.chain? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/marshalsea/chains/base.rb', line 56

def chain?
  kind == KIND_CHAIN
end

.chain_name ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 36

def chain_name
  metadata.fetch(:name)
end

.cve ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 44

def cve
  metadata.fetch(:cve)
end

.inherited(subclass) ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 27

def inherited(subclass)
  super
  Chains.register(subclass)
end

.kind ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 52

def kind
  metadata.fetch(:kind)
end

.metadata ⇒ Object

Raises:



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# File 'lib/marshalsea/chains/base.rb', line 32

def metadata
  raise NotImplementedByChainError, "#{SUBCLASS_MUST_DEFINE} metadata"
end

.primitive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/marshalsea/chains/base.rb', line 60

def primitive?
  kind == KIND_PRIMITIVE
end

.required_gems ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 64

def required_gems
  metadata.fetch(:requires, [])
end

.target_gem ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 48

def target_gem
  metadata.fetch(:gem)
end

.vector ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 40

def vector
  metadata.fetch(:vector)
end

Instance Method Details

#generate ⇒ Object

Raises:



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# File 'lib/marshalsea/chains/base.rb', line 78

def generate
  raise NotImplementedByChainError, "#{SUBCLASS_MUST_DEFINE} generate"
end

#serialize ⇒ Object 



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# File 'lib/marshalsea/chains/base.rb', line 82

def serialize
  ::Marshal.dump(generate)
end