Module: FunWith::Configurations::ConfigAPI

Included in:
Config
Defined in:
lib/fun_with/configurations/config_api.rb

Overview

methods on the FunWith::Configurations::Config class itself.

Instance Method Summary collapse

Instance Method Details

#from_file(file) ⇒ Object 



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# File 'lib/fun_with/configurations/config_api.rb', line 13

def from_file( file )
  file = file.fwf_filepath

  case file.ext
  when "rb"
    self.new do
      eval( file.read )
    end
  when "yml", "yaml"
    self.from_yaml( file.read )
  else
    warn( "Unknown filetype: #{file.ext} (file:#{file}}). Returning empty config." )
    self.new
  end
end

#from_hash(hash) ⇒ Object 



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# File 'lib/fun_with/configurations/config_api.rb', line 29

def from_hash( hash )
  (config = self.new).tap do
    for k, v in hash
      config.send( k, v.is_a?( Hash ) ? self.from_hash( v ) : v )
    end
  end
  config
end

#from_yaml(yaml_string) ⇒ Object 



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# File 'lib/fun_with/configurations/config_api.rb', line 38

def from_yaml( yaml_string )
  self.from_hash( Psych.load( yaml_string ) )
end

#fwc_overridden_methods ⇒ Object 



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# File 'lib/fun_with/configurations/config_api.rb', line 42

def fwc_overridden_methods
  ConfigOverriddenMethods.instance_methods.grep( /[^=]$/ )
end

#key_check(sym) ⇒ Object

Raises:



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# File 'lib/fun_with/configurations/config_api.rb', line 5

def key_check( sym )
  @reserved_symbols ||= Config.instance_methods - self.fwc_overridden_methods
  
  raise KeyError.new("#{sym} is not a symbol") unless sym.is_a?(Symbol)
  raise KeyError.new("#{sym} is reserved for use by Hash") if @reserved_symbols.include?( sym )
end