module Dgrid::SetMembersFromHash

Public Instance Methods

change_string_keys_to_symbol_keys(hash) click to toggle source
# File lib/dgrid/set_members_from_hash.rb, line 28
def change_string_keys_to_symbol_keys(hash)
  result = {}
  hash.each_pair do |k,v|
    if k.is_a?(String)
      result[k.to_sym] = v
    else
      result[k] = v
    end
  end
  result
end
set_members_from_hash(h) click to toggle source
# File lib/dgrid/set_members_from_hash.rb, line 3
def set_members_from_hash(h)
  h.each do |key, val|
    raise "non-symbolic key #{key}" unless key.is_a?(Symbol)
    member_name = "@#{key}"
    instance_variable_set(member_name, val)
  end
end
split_hash(h , criteria_set) click to toggle source

split a hash into two hashes whose keys are either in or not in criteria_set criteria_set can be a Set or anything that can be used to construct a Set

# File lib/dgrid/set_members_from_hash.rb, line 14
def split_hash(h , criteria_set)
  local_cs = criteria_set.is_a?(Set) ? criteria_set : Set.new(criteria_set)
  haves = {}
  have_nots = {} 
  h.each do |k,v|
    if local_cs.include?(k)
      haves[k] = v
    else
      have_nots[k] = v
    end
  end
  return haves, have_nots
end