Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/makeloc/core_extensions.rb

Instance Method Summary collapse

Instance Method Details

#at(path, opts = {}) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/makeloc/core_extensions.rb', line 36

def at(path,opts={})
  array_path = path.to_s.split('.')
  current_key = array_path.shift
  # raise ArgumentError, "wrong key " unless self.keys.include?(current_key)
  raise ArgumentError, "wrong opts" unless (opts.empty? or opts[:set])
  if array_path.empty?
    case opts[:set]
    when :delete
      self.delete(current_key)
    when nil
      self[current_key]
    else
      self[current_key] = opts[:set]
    end
  else
    self[current_key] and self[current_key].at(array_path.join('.'),opts)
  end
end

#delete_at(path) ⇒ Object 



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# File 'lib/makeloc/core_extensions.rb', line 55

def delete_at(path)
  at(path, :set => :delete)
end

#flatten_keys(prefix = "") ⇒ Object 



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# File 'lib/makeloc/core_extensions.rb', line 2

def flatten_keys(prefix="")
  keys = []
  self.keys.each do |key|
    keys << "#{prefix}#{key}"
    (keys << self[key].flatten_keys(prefix + "#{key}.")) if self[key].is_a? Hash
  end
  prefix == "" ? keys.flatten : keys
end

#parse(only_leaves = false, &block) ⇒ Object 



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# File 'lib/makeloc/core_extensions.rb', line 11

def parse(only_leaves = false, &block)
  each do |k,v|
    if v.is_a? Hash
      yield(k,v) unless only_leaves
      v.parse(only_leaves,&block)
    else
      yield(k,v)
    end
  end
end

#parse_leaves(&block) ⇒ Object 



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# File 'lib/makeloc/core_extensions.rb', line 22

def parse_leaves(&block)
  parse(only_leaves = true, &block)
end

#update_leaves!(&block) ⇒ Object 



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# File 'lib/makeloc/core_extensions.rb', line 26

def update_leaves!(&block)
  each do |k,v|
    if v.is_a? Hash
      v.update_leaves!(&block)
    else
      self[k] = yield(k,v)
    end
  end
end