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require 'puppet/string'
module Puppet::String::StringCollection
SEMVER_VERSION = /^(\d+)\.(\d+)\.(\d+)([A-Za-z][0-9A-Za-z-]*|)$/
@strings = Hash.new { |hash, key| hash[key] = {} }
def self.strings
unless @loaded
@loaded = true
$LOAD_PATH.each do |dir|
next unless FileTest.directory?(dir)
Dir.chdir(dir) do
Dir.glob("puppet/string/v*/*.rb").collect { |f| f.sub(/\.rb/, '') }.each do |file|
iname = file.sub(/\.rb/, '')
begin
require iname
rescue Exception => detail
puts detail.backtrace if Puppet[:trace]
raise "Could not load #{iname} from #{dir}/#{file}: #{detail}"
end
end
end
end
end
return @strings.keys
end
def self.validate_version(version)
!!(SEMVER_VERSION =~ version.to_s)
end
def self.[](name, version)
@strings[underscorize(name)][version] if string?(name, version)
end
def self.string?(name, version)
name = underscorize(name)
cache = @strings[name]
return true if cache.has_key?(version)
loaded = cache.keys
files = ["puppet/string/#{name}"]
unless version == :current
files << "#{name}@#{version}/puppet/string/#{name}"
end
files.each do |file|
begin
require file
if version == :current || !file.include?('@')
loaded = (cache.keys - loaded).first
cache[:current] = cache[loaded] unless loaded.nil?
end
return true if cache.has_key?(version)
rescue LoadError
# pass
end
end
return false
end
def self.register(string)
@strings[underscorize(string.name)][string.version] = string
end
def self.underscorize(name)
unless name.to_s =~ /^[-_a-z]+$/i then
raise ArgumentError, "#{name.inspect} (#{name.class}) is not a valid string name"
end
name.to_s.downcase.split(/[-_]/).join('_').to_sym
end
end
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