| Current Path : /usr/share/ruby/vendor_ruby/puppet/pops/binder/ |
Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : //usr/share/ruby/vendor_ruby/puppet/pops/binder/bindings_loader.rb |
require 'rgen/metamodel_builder'
# The ClassLoader provides a Class instance given a class name or a meta-type.
# If the class is not already loaded, it is loaded using the Puppet Autoloader.
# This means it can load a class from a gem, or from puppet modules.
#
class Puppet::Pops::Binder::BindingsLoader
@confdir = Puppet.settings[:confdir]
# @autoloader = Puppet::Util::Autoload.new("BindingsLoader", "puppet/bindings", :wrap => false)
# Returns a XXXXX given a fully qualified class name.
# Lookup of class is never relative to the calling namespace.
# @param name [String, Array<String>, Array<Symbol>, Puppet::Pops::Types::PAnyType] A fully qualified
# class name String (e.g. '::Foo::Bar', 'Foo::Bar'), a PAnyType, or a fully qualified name in Array form where each part
# is either a String or a Symbol, e.g. `%w{Puppetx Puppetlabs SomeExtension}`.
# @return [Class, nil] the looked up class or nil if no such class is loaded
# @raise ArgumentError If the given argument has the wrong type
# @api public
#
def self.provide(scope, name)
case name
when String
provide_from_string(scope, name)
when Array
provide_from_name_path(scope, name.join('::'), name)
else
raise ArgumentError, "Cannot provide a bindings from a '#{name.class.name}'"
end
end
# If loadable name exists relative to a a basedir or not. Returns the loadable path as a side effect.
# @return [String, nil] a loadable path for the given name, or nil
#
def self.loadable?(basedir, name)
# note, "lib" is added by the autoloader
#
paths_for_name(name).find {|p| Puppet::FileSystem.exist?(File.join(basedir, "lib/puppet/bindings", p)+'.rb') }
end
private
def self.loader()
unless Puppet.settings[:confdir] == @confdir
@confdir = Puppet.settings[:confdir] == @confdir
@autoloader = Puppet::Util::Autoload.new("BindingsLoader", "puppet/bindings", :wrap => false)
end
@autoloader
end
def self.provide_from_string(scope, name)
name_path = name.split('::')
# always from the root, so remove an empty first segment
if name_path[0].empty?
name_path = name_path[1..-1]
end
provide_from_name_path(scope, name, name_path)
end
def self.provide_from_name_path(scope, name, name_path)
# If bindings is already loaded, try this first
result = Puppet::Bindings.resolve(scope, name)
unless result
# Attempt to load it using the auto loader
paths_for_name(name).find {|path| loader.load(path) }
result = Puppet::Bindings.resolve(scope, name)
end
result
end
def self.paths_for_name(fq_name)
[de_camel(fq_name), downcased_path(fq_name)]
end
def self.downcased_path(fq_name)
fq_name.to_s.gsub(/::/, '/').downcase
end
def self.de_camel(fq_name)
fq_name.to_s.gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
gsub(/([a-z\d])([A-Z])/,'\1_\2').
tr("-", "_").
downcase
end
end