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require 'psych.so'
require 'psych/nodes'
require 'psych/streaming'
require 'psych/visitors'
require 'psych/handler'
require 'psych/tree_builder'
require 'psych/parser'
require 'psych/omap'
require 'psych/set'
require 'psych/coder'
require 'psych/core_ext'
require 'psych/deprecated'
require 'psych/stream'
require 'psych/json/tree_builder'
require 'psych/json/stream'
require 'psych/handlers/document_stream'

###
# = Overview
#
# Psych is a YAML parser and emitter.
# Psych leverages libyaml [Home page: http://pyyaml.org/wiki/LibYAML]
# or [Git repo: https://github.com/zerotao/libyaml] for its YAML parsing
# and emitting capabilities. In addition to wrapping libyaml, Psych also
# knows how to serialize and de-serialize most Ruby objects to and from
# the YAML format.
#
# = I NEED TO PARSE OR EMIT YAML RIGHT NOW!
#
#   # Parse some YAML
#   Psych.load("--- foo") # => "foo"
#
#   # Emit some YAML
#   Psych.dump("foo")     # => "--- foo\n...\n"
#   { :a => 'b'}.to_yaml  # => "---\n:a: b\n"
#
# Got more time on your hands?  Keep on reading!
#
# == YAML Parsing
#
# Psych provides a range of interfaces for parsing a YAML document ranging from
# low level to high level, depending on your parsing needs.  At the lowest
# level, is an event based parser.  Mid level is access to the raw YAML AST,
# and at the highest level is the ability to unmarshal YAML to ruby objects.
#
# === Low level parsing
#
# The lowest level parser should be used when the YAML input is already known,
# and the developer does not want to pay the price of building an AST or
# automatic detection and conversion to ruby objects.  See Psych::Parser for
# more information on using the event based parser.
#
# === Mid level parsing
#
# Psych provides access to an AST produced from parsing a YAML document.  This
# tree is built using the Psych::Parser and Psych::TreeBuilder.  The AST can
# be examined and manipulated freely.  Please see Psych::parse_stream,
# Psych::Nodes, and Psych::Nodes::Node for more information on dealing with
# YAML syntax trees.
#
# === High level parsing
#
# The high level YAML parser provided by Psych simply takes YAML as input and
# returns a Ruby data structure.  For information on using the high level parser
# see Psych.load
#
# == YAML Emitting
#
# Psych provides a range of interfaces ranging from low to high level for
# producing YAML documents.  Very similar to the YAML parsing interfaces, Psych
# provides at the lowest level, an event based system, mid-level is building
# a YAML AST, and the highest level is converting a Ruby object straight to
# a YAML document.
#
# === Low level emitting
#
# The lowest level emitter is an event based system.  Events are sent to a
# Psych::Emitter object.  That object knows how to convert the events to a YAML
# document.  This interface should be used when document format is known in
# advance or speed is a concern.  See Psych::Emitter for more information.
#
# === Mid level emitting
#
# At the mid level is building an AST.  This AST is exactly the same as the AST
# used when parsing a YAML document.  Users can build an AST by hand and the
# AST knows how to emit itself as a YAML document.  See Psych::Nodes,
# Psych::Nodes::Node, and Psych::TreeBuilder for more information on building
# a YAML AST.
#
# === High level emitting
#
# The high level emitter has the easiest interface.  Psych simply takes a Ruby
# data structure and converts it to a YAML document.  See Psych.dump for more
# information on dumping a Ruby data structure.

module Psych
  # The version is Psych you're using
  VERSION         = '2.0.0'

  # The version of libyaml Psych is using
  LIBYAML_VERSION = Psych.libyaml_version.join '.'

  ###
  # Load +yaml+ in to a Ruby data structure.  If multiple documents are
  # provided, the object contained in the first document will be returned.
  # +filename+ will be used in the exception message if any exception is raised
  # while parsing.
  #
  # Raises a Psych::SyntaxError when a YAML syntax error is detected.
  #
  # Example:
  #
  #   Psych.load("--- a")             # => 'a'
  #   Psych.load("---\n - a\n - b")   # => ['a', 'b']
  #
  #   begin
  #     Psych.load("--- `", "file.txt")
  #   rescue Psych::SyntaxError => ex
  #     ex.file    # => 'file.txt'
  #     ex.message # => "(file.txt): found character that cannot start any token"
  #   end
  def self.load yaml, filename = nil
    result = parse(yaml, filename)
    result ? result.to_ruby : result
  end

  ###
  # Safely load the yaml string in +yaml+.  By default, only the following
  # classes are allowed to be deserialized:
  #
  # * TrueClass
  # * FalseClass
  # * NilClass
  # * Numeric
  # * String
  # * Array
  # * Hash
  #
  # Recursive data structures are not allowed by default.  Arbitrary classes
  # can be allowed by adding those classes to the +whitelist+.  They are
  # additive.  For example, to allow Date deserialization:
  #
  #   Psych.safe_load(yaml, [Date])
  #
  # Now the Date class can be loaded in addition to the classes listed above.
  #
  # Aliases can be explicitly allowed by changing the +aliases+ parameter.
  # For example:
  #
  #   x = []
  #   x << x
  #   yaml = Psych.dump x
  #   Psych.safe_load yaml               # => raises an exception
  #   Psych.safe_load yaml, [], [], true # => loads the aliases
  #
  # A Psych::DisallowedClass exception will be raised if the yaml contains a
  # class that isn't in the whitelist.
  #
  # A Psych::BadAlias exception will be raised if the yaml contains aliases
  # but the +aliases+ parameter is set to false.
  def self.safe_load yaml, whitelist_classes = [], whitelist_symbols = [], aliases = false, filename = nil
    result = parse(yaml, filename)
    return unless result

    class_loader = ClassLoader::Restricted.new(whitelist_classes.map(&:to_s),
                                               whitelist_symbols.map(&:to_s))
    scanner      = ScalarScanner.new class_loader
    if aliases
      visitor = Visitors::ToRuby.new scanner, class_loader
    else
      visitor = Visitors::NoAliasRuby.new scanner, class_loader
    end
    visitor.accept result
  end

  ###
  # Parse a YAML string in +yaml+.  Returns the first object of a YAML AST.
  # +filename+ is used in the exception message if a Psych::SyntaxError is
  # raised.
  #
  # Raises a Psych::SyntaxError when a YAML syntax error is detected.
  #
  # Example:
  #
  #   Psych.parse("---\n - a\n - b") # => #<Psych::Nodes::Sequence:0x00>
  #
  #   begin
  #     Psych.parse("--- `", "file.txt")
  #   rescue Psych::SyntaxError => ex
  #     ex.file    # => 'file.txt'
  #     ex.message # => "(file.txt): found character that cannot start any token"
  #   end
  #
  # See Psych::Nodes for more information about YAML AST.
  def self.parse yaml, filename = nil
    parse_stream(yaml, filename) do |node|
      return node
    end
    false
  end

  ###
  # Parse a file at +filename+. Returns the YAML AST.
  #
  # Raises a Psych::SyntaxError when a YAML syntax error is detected.
  def self.parse_file filename
    File.open filename, 'r:bom|utf-8' do |f|
      parse f, filename
    end
  end

  ###
  # Returns a default parser
  def self.parser
    Psych::Parser.new(TreeBuilder.new)
  end

  ###
  # Parse a YAML string in +yaml+.  Returns the full AST for the YAML document.
  # This method can handle multiple YAML documents contained in +yaml+.
  # +filename+ is used in the exception message if a Psych::SyntaxError is
  # raised.
  #
  # If a block is given, a Psych::Nodes::Document node will be yielded to the
  # block as it's being parsed.
  #
  # Raises a Psych::SyntaxError when a YAML syntax error is detected.
  #
  # Example:
  #
  #   Psych.parse_stream("---\n - a\n - b") # => #<Psych::Nodes::Stream:0x00>
  #
  #   Psych.parse_stream("--- a\n--- b") do |node|
  #     node # => #<Psych::Nodes::Document:0x00>
  #   end
  #
  #   begin
  #     Psych.parse_stream("--- `", "file.txt")
  #   rescue Psych::SyntaxError => ex
  #     ex.file    # => 'file.txt'
  #     ex.message # => "(file.txt): found character that cannot start any token"
  #   end
  #
  # See Psych::Nodes for more information about YAML AST.
  def self.parse_stream yaml, filename = nil, &block
    if block_given?
      parser = Psych::Parser.new(Handlers::DocumentStream.new(&block))
      parser.parse yaml, filename
    else
      parser = self.parser
      parser.parse yaml, filename
      parser.handler.root
    end
  end

  ###
  # call-seq:
  #   Psych.dump(o)               -> string of yaml
  #   Psych.dump(o, options)      -> string of yaml
  #   Psych.dump(o, io)           -> io object passed in
  #   Psych.dump(o, io, options)  -> io object passed in
  #
  # Dump Ruby object +o+ to a YAML string.  Optional +options+ may be passed in
  # to control the output format.  If an IO object is passed in, the YAML will
  # be dumped to that IO object.
  #
  # Example:
  #
  #   # Dump an array, get back a YAML string
  #   Psych.dump(['a', 'b'])  # => "---\n- a\n- b\n"
  #
  #   # Dump an array to an IO object
  #   Psych.dump(['a', 'b'], StringIO.new)  # => #<StringIO:0x000001009d0890>
  #
  #   # Dump an array with indentation set
  #   Psych.dump(['a', ['b']], :indentation => 3) # => "---\n- a\n-  - b\n"
  #
  #   # Dump an array to an IO with indentation set
  #   Psych.dump(['a', ['b']], StringIO.new, :indentation => 3)
  def self.dump o, io = nil, options = {}
    if Hash === io
      options = io
      io      = nil
    end

    visitor = Psych::Visitors::YAMLTree.create options
    visitor << o
    visitor.tree.yaml io, options
  end

  ###
  # Dump a list of objects as separate documents to a document stream.
  #
  # Example:
  #
  #   Psych.dump_stream("foo\n  ", {}) # => "--- ! \"foo\\n  \"\n--- {}\n"
  def self.dump_stream *objects
    visitor = Psych::Visitors::YAMLTree.create({})
    objects.each do |o|
      visitor << o
    end
    visitor.tree.yaml
  end

  ###
  # Dump Ruby object +o+ to a JSON string.
  def self.to_json o
    visitor = Psych::Visitors::JSONTree.create
    visitor << o
    visitor.tree.yaml
  end

  ###
  # Load multiple documents given in +yaml+.  Returns the parsed documents
  # as a list.  If a block is given, each document will be converted to ruby
  # and passed to the block during parsing
  #
  # Example:
  #
  #   Psych.load_stream("--- foo\n...\n--- bar\n...") # => ['foo', 'bar']
  #
  #   list = []
  #   Psych.load_stream("--- foo\n...\n--- bar\n...") do |ruby|
  #     list << ruby
  #   end
  #   list # => ['foo', 'bar']
  #
  def self.load_stream yaml, filename = nil
    if block_given?
      parse_stream(yaml, filename) do |node|
        yield node.to_ruby
      end
    else
      parse_stream(yaml, filename).children.map { |child| child.to_ruby }
    end
  end

  ###
  # Load the document contained in +filename+.  Returns the yaml contained in
  # +filename+ as a ruby object
  def self.load_file filename
    File.open(filename, 'r:bom|utf-8') { |f| self.load f, filename }
  end

  # :stopdoc:
  @domain_types = {}
  def self.add_domain_type domain, type_tag, &block
    key = ['tag', domain, type_tag].join ':'
    @domain_types[key] = [key, block]
    @domain_types["tag:#{type_tag}"] = [key, block]
  end

  def self.add_builtin_type type_tag, &block
    domain = 'yaml.org,2002'
    key = ['tag', domain, type_tag].join ':'
    @domain_types[key] = [key, block]
  end

  def self.remove_type type_tag
    @domain_types.delete type_tag
  end

  @load_tags = {}
  @dump_tags = {}
  def self.add_tag tag, klass
    @load_tags[tag] = klass.name
    @dump_tags[klass] = tag
  end

  class << self
    attr_accessor :load_tags
    attr_accessor :dump_tags
    attr_accessor :domain_types
  end
  # :startdoc:
end

Name	Type	Size	Permission
bigdecimal	Folder		0755
cgi	Folder		0755
date	Folder		0755
digest	Folder		0755
dl	Folder		0755
drb	Folder		0755
fiddle	Folder		0755
io	Folder		0755
irb	Folder		0755
json	Folder		0755
matrix	Folder		0755
net	Folder		0755
openssl	Folder		0755
optparse	Folder		0755
psych	Folder		0755
racc	Folder		0755
rbconfig	Folder		0755
rexml	Folder		0755
rinda	Folder		0755
ripper	Folder		0755
rss	Folder		0755
shell	Folder		0755
syslog	Folder		0755
test	Folder		0755
uri	Folder		0755
vendor_ruby	Folder		0755
webrick	Folder		0755
xmlrpc	Folder		0755
yaml	Folder		0755
English.rb	File	6.44 KB	0644
abbrev.rb	File	3.31 KB	0644
base64.rb	File	2.63 KB	0644
benchmark.rb	File	17.94 KB	0644
cgi.rb	File	9.39 KB	0644
cmath.rb	File	7.22 KB	0644
complex.rb	File	380 B	0644
csv.rb	File	81.32 KB	0644
date.rb	File	946 B	0644
debug.rb	File	28.9 KB	0644
delegate.rb	File	9.78 KB	0644
digest.rb	File	2.24 KB	0644
dl.rb	File	280 B	0644
drb.rb	File	19 B	0644
e2mmap.rb	File	3.8 KB	0644
erb.rb	File	26.08 KB	0644
expect.rb	File	2.14 KB	0644
fiddle.rb	File	1.25 KB	0644
fileutils.rb	File	46.35 KB	0644
find.rb	File	2.08 KB	0644
forwardable.rb	File	7.56 KB	0644
getoptlong.rb	File	15.38 KB	0644
gserver.rb	File	8.86 KB	0644
ipaddr.rb	File	26.17 KB	0644
irb.rb	File	20.03 KB	0644
json.rb	File	1.74 KB	0644
kconv.rb	File	5.74 KB	0644
logger.rb	File	20.96 KB	0644
mathn.rb	File	6.52 KB	0644
matrix.rb	File	45.02 KB	0644
mkmf.rb	File	78.13 KB	0644
monitor.rb	File	6.93 KB	0644
mutex_m.rb	File	2 KB	0644
observer.rb	File	5.71 KB	0644
open-uri.rb	File	23.66 KB	0644
open3.rb	File	21.17 KB	0644
openssl.rb	File	528 B	0644
optparse.rb	File	51.27 KB	0644
ostruct.rb	File	7.64 KB	0644
pathname.rb	File	15.3 KB	0644
pp.rb	File	13.14 KB	0644
prettyprint.rb	File	9.63 KB	0644
prime.rb	File	13.98 KB	0644
profile.rb	File	205 B	0644
profiler.rb	File	4.29 KB	0644
pstore.rb	File	14.85 KB	0644
psych.rb	File	11.45 KB	0644
rational.rb	File	308 B	0644
resolv-replace.rb	File	1.73 KB	0644
resolv.rb	File	61.46 KB	0644
ripper.rb	File	2.53 KB	0644
rss.rb	File	2.84 KB	0644
scanf.rb	File	23.52 KB	0644
securerandom.rb	File	8.56 KB	0644
set.rb	File	17.32 KB	0644
shell.rb	File	10.3 KB	0644
shellwords.rb	File	5.94 KB	0644
singleton.rb	File	4.02 KB	0644
socket.rb	File	25.76 KB	0644
sync.rb	File	7.26 KB	0644
tempfile.rb	File	10.15 KB	0644
thread.rb	File	6.94 KB	0644
thwait.rb	File	3.38 KB	0644
time.rb	File	21.09 KB	0644
timeout.rb	File	3.16 KB	0644
tmpdir.rb	File	4.29 KB	0644
tracer.rb	File	6.54 KB	0644
tsort.rb	File	6.79 KB	0644
un.rb	File	8.34 KB	0644
uri.rb	File	3.07 KB	0644
weakref.rb	File	3.23 KB	0644
webrick.rb	File	6.7 KB	0644
xmlrpc.rb	File	8.49 KB	0644
yaml.rb	File	2.3 KB	0644

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