Class: GemCache::SemVerParser

Inherits:
Object
  • Object
show all
Defined in:
lib/gemcache/parsers/sem_ver_parser.rb

Overview

Creates a list of appropriate gem and dependency versions based on semantic versioning requirements. The latest possible verions will always come first in the list.

Defined Under Namespace

Classes: Constraint

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stories, requirements, name) ⇒ SemVerParser

Returns a new instance of SemVerParser.

Raises:



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# File 'lib/gemcache/parsers/sem_ver_parser.rb', line 22

def initialize(stories, requirements, name)
  constraints = constrain(requirements)

  @available = []
  stories.each do |s|
    one_constraint_failed = false
    constraints.each do |c|
      unless c.appropriate?(s.version)
        one_constraint_failed = true
        break
      end
    end
    @available << s.version unless one_constraint_failed
  end

  raise NoAvailableVersionsError.new(name) if @available.blank?
end

Instance Attribute Details

#available ⇒ Object (readonly)

List of appropriate semantic versions, with the latest versions at the front of the list.



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# File 'lib/gemcache/parsers/sem_ver_parser.rb', line 20

def available
  @available
end