Class: Gem::DependencyResolver::APISet

Inherits:
Object
  • Object
show all
Defined in:
lib/rubygems/dependency_resolver.rb

Overview

The global rubygems pool, available via the rubygems.org API. Returns instances of APISpecification.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ APISet

Returns a new instance of APISet.



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# File 'lib/rubygems/dependency_resolver.rb', line 92

def initialize
  @data = Hash.new { |h,k| h[k] = [] }
end

Instance Method Details

#find_all(req) ⇒ Object

Return an array of APISpecification objects matching DependencyRequest req.



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# File 'lib/rubygems/dependency_resolver.rb', line 116

def find_all(req)
  res = []

  versions(req.name).each do |ver|
    if req.dependency.match? req.name, ver[:number]
      res << APISpecification.new(self, ver)
    end
  end

  res
end

#prefetch(reqs) ⇒ Object

A hint run by the resolver to allow the Set to fetch data for DependencyRequests reqs.



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# File 'lib/rubygems/dependency_resolver.rb', line 131

def prefetch(reqs)
  names = reqs.map { |r| r.dependency.name }
  needed = names.find_all { |d| !@data.key?(d) }

  return if needed.empty?

  u = URI.parse "http://rubygems.org/api/v1/dependencies?gems=#{needed.join ','}"
  str = Net::HTTP.get(u)

  Marshal.load(str).each do |ver|
    @data[ver[:name]] << ver
  end
end

#versions(name) ⇒ Object

Return data for all versions of the gem name.



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# File 'lib/rubygems/dependency_resolver.rb', line 98

def versions(name)
  if @data.key?(name)
    return @data[name]
  end

  u = URI.parse "http://rubygems.org/api/v1/dependencies?gems=#{name}"
  str = Net::HTTP.get(u)

  Marshal.load(str).each do |ver|
    @data[ver[:name]] << ver
  end

  @data[name]
end