class Gem::CompactIndexClient::Parser

# File lib/rubygems/compact_index_client/parser.rb, line 9
def initialize(compact_index)
  @compact_index = compact_index
  @info_checksums = nil
  @versions_by_name = nil
  @available = nil
  @gem_parser = nil
end

# File lib/rubygems/compact_index_client/parser.rb, line 51
def available?
  return @available unless @available.nil?
  @available = !info_checksums.empty?
end

# File lib/rubygems/compact_index_client/parser.rb, line 43
def info(name)
  parse_info(@compact_index.info(name, info_checksums[name]), name)
end

# File lib/rubygems/compact_index_client/parser.rb, line 17
def names
  lines(@compact_index.names)
end

# File lib/rubygems/compact_index_client/parser.rb, line 47
def parse_info(data, name)
  lines(data).map {|line| gem_parser.parse(line).unshift(name) }
end

# File lib/rubygems/compact_index_client/parser.rb, line 21
def versions
  @versions_by_name ||= Hash.new {|hash, key| hash[key] = [] }
  @info_checksums = {}

  lines(@compact_index.versions).each do |line|
    name, versions_string, checksum = line.split(" ", 3)
    next unless versions_string # see #parse_version_checksum
    @info_checksums[name] = checksum || ""
    versions_string.split(",") do |version|
      delete = version.delete_prefix!("-")
      version = version.split("-", 2).unshift(name)
      if delete
        @versions_by_name[name].delete(version)
      else
        @versions_by_name[name] << version
      end
    end
  end

  @versions_by_name
end