Module: UberConfig

Defined in:
lib/uber_config.rb,
lib/uber_config/version.rb

Constant Summary collapse

VERSION = 
"0.0.6"

Class Method Summary collapse

Class Method Details

.load(options = {}) ⇒ Object

Load a config file from various system locations



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# File 'lib/uber_config.rb', line 6

def self.load(options={})

  # First check for abt config
  if defined? $abt_config
    puts "$abt_config found."
    @config = $abt_config
    return @config
  end

  dir = nil
  if options[:dir]
    dir = options[:dir]
    if dir.is_a?(String)
      dir = [dir]
    end
  end
  file = "config.yml"
  if options[:file]
    file = options[:file]
  end

  working_directory = Dir.pwd
  #puts "working_dir: " + working_directory

  #p Kernel.caller
  caller_file = caller[0][0...(caller[0].index(":in"))]
  caller_file = caller_file[0...(caller_file.rindex(":"))]
  #p caller_file
  caller_dir = File.dirname(caller_file)
  #puts "caller_dir: " + caller_dir
  caller_dir = File.expand_path(caller_dir)
  #puts "caller_dir: " + caller_dir
  caller_dir_split = caller_dir.split("/")
  #p caller_dir_split
  auto_dir_name = caller_dir_split.last
  if auto_dir_name == "test"
    caller_dir_split.pop
    auto_dir_name = caller_dir_split.last
  end

  # Now check near caller file
  dir_and_file = dir.nil? ? [] : dir.dup
  dir_and_file << file
  p dir_and_file
  location = File.join(dir_and_file)
  p location
  cf = File.expand_path(location, caller_dir)
  @config = load_from(cf)
  return @config if @config

  # and working directory
  cf = File.expand_path(location)
  @config = load_from(cf)
  return @config if @config

  puts "auto_dir_name: #{auto_dir_name}"

  # Now check in Dropbox
  dropbox_folders = ["~", "Dropbox", "configs"]
  if dir
    dropbox_folders = dropbox_folders + dir
  else
    dropbox_folders = dropbox_folders << auto_dir_name
  end
  dropbox_folders << file
  cf = File.expand_path(File.join(dropbox_folders))
  @config = load_from(cf)
  return @config if @config

  # couldn't find it
  raise "UberConfig could not find config file!"

end

.load_from(cf) ⇒ Object 



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# File 'lib/uber_config.rb', line 80

def self.load_from(cf)
  puts "Checking for config file at #{cf}..."
  if File.exist?(cf)
    config = YAML::load_file(cf)
    # the following makes it indifferent access, but doesn't seem to for inner hashes
    #config.default_proc = proc do |h, k|
    #  case k
    #    when String then sym = k.to_sym; h[sym] if h.key?(sym)
    #    when Symbol then str = k.to_s; h[str] if h.key?(str)
    #  end
    #end
    return config
  end
  nil
end

.make_indifferent(hash) ⇒ Object 



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# File 'lib/uber_config.rb', line 124

def self.make_indifferent(hash)
  hash.default_proc = proc do |h, k|
    case k
      when String then sym = k.to_sym; h[sym] if h.key?(sym)
      when Symbol then str = k.to_s; h[str] if h.key?(str)
    end
  end
end

.symbolize_keys(hash) ⇒ Object

Non destructive, returns new hash.



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# File 'lib/uber_config.rb', line 111

def self.symbolize_keys(hash)
  keys = hash.keys
  ret = {}
  keys.each do |key|
    v = hash[key]
    if v.is_a?(Hash)
      v = symbolize_keys(v)
    end
    ret[(key.to_sym rescue key) || key] = v
  end
  ret
end

.symbolize_keys!(hash) ⇒ Object

Destructively convert all keys to symbols, as long as they respond to to_sym. inspired by activesupport



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# File 'lib/uber_config.rb', line 98

def self.symbolize_keys!(hash)
  keys = hash.keys
  keys.each do |key|
    v = hash.delete(key)
    if v.is_a?(Hash)
      v = symbolize_keys!(v)
    end
    hash[(key.to_sym rescue key) || key] = v
  end
  hash
end