Gecko [ www.corporacionhdm.com.pe ]

Name	Size	Permission	Date
handlers	[ DIR ]	drwxr-xr-x	2024-03-03 22:43
json	[ DIR ]	drwxr-xr-x	2024-03-03 22:43
nodes	[ DIR ]	drwxr-xr-x	2024-03-03 22:43
visitors	[ DIR ]	drwxr-xr-x	2024-03-03 22:43
class_loader.rb	1.88 KB	-rw-r--r--	2023-07-26 14:31
coder.rb	2.02 KB	-rw-r--r--	2023-07-26 14:31
core_ext.rb	751 B	-rw-r--r--	2023-07-26 14:31
deprecated.rb	2.49 KB	-rw-r--r--	2023-07-26 14:31
exception.rb	234 B	-rw-r--r--	2023-07-26 14:31
handler.rb	7.02 KB	-rw-r--r--	2023-07-26 14:31
nodes.rb	2.33 KB	-rw-r--r--	2023-07-26 14:31
omap.rb	45 B	-rw-r--r--	2023-07-26 14:31
parser.rb	1.64 KB	-rw-r--r--	2023-07-26 14:31
scalar_scanner.rb	4.24 KB	-rw-r--r--	2023-07-26 14:31
set.rb	44 B	-rw-r--r--	2023-07-26 14:31
stream.rb	893 B	-rw-r--r--	2023-07-26 14:31
streaming.rb	637 B	-rw-r--r--	2023-07-26 14:31
syntax_error.rb	555 B	-rw-r--r--	2023-07-26 14:31
tree_builder.rb	2.05 KB	-rw-r--r--	2023-07-26 14:31
visitors.rb	206 B	-rw-r--r--	2023-07-26 14:31
y.rb	160 B	-rw-r--r--	2023-07-26 14:31

Rename

require 'psych/handler'

module Psych
  ###
  # This class works in conjunction with Psych::Parser to build an in-memory
  # parse tree that represents a YAML document.
  #
  # == Example
  #
  #   parser = Psych::Parser.new Psych::TreeBuilder.new
  #   parser.parse('--- foo')
  #   tree = parser.handler.root
  #
  # See Psych::Handler for documentation on the event methods used in this
  # class.
  class TreeBuilder < Psych::Handler
    # Returns the root node for the built tree
    attr_reader :root

# Create a new TreeBuilder instance
    def initialize
      @stack = []
      @last  = nil
      @root  = nil
    end

%w{
      Sequence
      Mapping
    }.each do |node|
      class_eval %{
        def start_#{node.downcase}(anchor, tag, implicit, style)
          n = Nodes::#{node}.new(anchor, tag, implicit, style)
          @last.children << n
          push n
        end

def end_#{node.downcase}
          pop
        end
      }
    end

###
    # Handles start_document events with +version+, +tag_directives+,
    # and +implicit+ styling.
    #
    # See Psych::Handler#start_document
    def start_document version, tag_directives, implicit
      n = Nodes::Document.new version, tag_directives, implicit
      @last.children << n
      push n
    end

###
    # Handles end_document events with +version+, +tag_directives+,
    # and +implicit+ styling.
    #
    # See Psych::Handler#start_document
    def end_document implicit_end = !streaming?
      @last.implicit_end = implicit_end
      pop
    end

def start_stream encoding
      @root = Nodes::Stream.new(encoding)
      push @root
    end

def end_stream
      pop
    end

def scalar value, anchor, tag, plain, quoted, style
      s = Nodes::Scalar.new(value,anchor,tag,plain,quoted,style)
      @last.children << s
      s
    end

def alias anchor
      @last.children << Nodes::Alias.new(anchor)
    end

private
    def push value
      @stack.push value
      @last = value
    end

def pop
      x = @stack.pop
      @last = @stack.last
      x
    end
  end
end