Class: Parslet::Pattern

Inherits:
Object show all
Defined in:
lib/libis/tools/metadata/parser/patch.rb

Overview

New style parsers and converters for metadata. New, not finished and untested.

Instance Method Summary collapse

Instance Method Details

#element_match_hash(tree, exp, bindings) ⇒ Object 



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# File 'lib/libis/tools/metadata/parser/patch.rb', line 4

def element_match_hash(tree, exp, bindings)
  return false if exp.size < tree.size
  exp.each do |expected_key, expected_value|
    if expected_key.to_s =~ /^(.*)\?$/
      expected_key = expected_key.is_a?(Symbol) ? $1.to_sym : $1
      return true unless tree.has_key? expected_key
    end

    return false unless tree.has_key? expected_key

    # Recurse into the value and stop early on failure
    value = tree[expected_key]
    return false unless element_match(value, expected_value, bindings)
  end

  true
end