Class: Psych::Visitors::ToRuby

Inherits:
Object
  • Object
show all
Defined in:
lib/strut/extensions.rb

Overview

The next step is to convert the AST to a Ruby object. Psych does this using the visitor pattern with the ToRuby visitor. Here we patch ToRuby rather than inherit from it as it makes the last step a little easier.

Instance Method Summary collapse

Instance Method Details

#revive_hash(hash, o) ⇒ Object

This is the method for creating hashes. There may be problems with Yaml mappings that have tags.



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# File 'lib/strut/extensions.rb', line 65

def revive_hash hash, o
  o.children.each_slice(2) { |k,v|
    key = accept(k)
    val = accept(v)

    val = { "value" => val, "line" => v.line} # line is 0 based, so + 1

    # Code dealing with << (for merging hashes) omitted.
    # If you need this you will probably need to copy it
    # in here. See the method:
    # https://github.com/tenderlove/psych/blob/v2.0.13/lib/psych/visitors/to_ruby.rb#L333-L365

    hash[key] = val
  }
  hash
end