Module: ConfigContext

Extended by:
ConfigContext
Included in:
ConfigContext
Defined in:
lib/config_context.rb

Defined Under Namespace

Classes: ConfigError

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *arguments, &block) ⇒ Object 



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# File 'lib/config_context.rb', line 25

def method_missing(method, *arguments, &block)
  
  @config || init
  
  case method.to_s
    when /(.+)=$/  then
      property_key = method.to_s.delete('=').to_sym
      
      @config[property_key] = (arguments.size == 1) ? arguments[0] : arguments
    
    when /(.+)\?$/ then 
      property_key = method.to_s.delete('?').to_sym

      @config.keys.include?(property_key) #true/false
  else

    if @config.keys.include?(method) # any type
      @config[method]
   else
      super
    end
  end    
end

Instance Method Details

#[](key) ⇒ Object

Backward compability…



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# File 'lib/config_context.rb', line 101

def [](key)
  
  @config || init 
  @config[key]
end

#configure(source = nil, options = {}, &block) ⇒ Object 



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# File 'lib/config_context.rb', line 53

def configure(source=nil, options={}, &block)

  @config || init
  
  options = {:source=>nil, :context=>:root}.merge(options)
  
  if options[:context] == :root

    case source
      when /\.(yml|yaml)/i then @config.merge!(YAML.load_file(source)) rescue raise ConfigError.new("Problems loading file: #{source}")
      when /\.json/i       then @config.merge!(JSON.parse(File.read(source))) rescue raise ConfigError.new("Problems loading file: #{source}")
      when Hash            then @config.merge!(source)
    else 
      yield self if block_given?
    end
  else

    context          = options[:context]
    @config[context] ||= { } # New context
    
    case source
      when /\.(yml|yaml)/i then @config[context].merge!(YAML.load_file(source)) rescue raise ConfigError.new("Problems loading file: #{source}")
      when /\.json/i       then @config[context].merge!(JSON.parse(File.read(source))) rescue raise ConfigError.new("Problems loading file: #{source}")
      when Hash            then @config[context].merge!(source)
    else 
      yield self if block_given?
    end
  end
  
  self
end

#erase! ⇒ Object 



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# File 'lib/config_context.rb', line 49

def erase!()
  @config.clear
end

#fetch(key, default = nil) ⇒ Object 



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# File 'lib/config_context.rb', line 107

def fetch(key,default=nil)
  
  @config || init
  if @config.include?(key)
    
    @config[key]
  else
    default ? default : nil
  end 
end

#fetch!(key, default) ⇒ Object 



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# File 'lib/config_context.rb', line 118

def fetch!(key,default)
  
  @config || init
  
  @config[key] = default unless @config.include?(key)
  @config[key]
end

#inspect ⇒ Object 



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# File 'lib/config_context.rb', line 89

def inspect
  
  @config || init
  @config.inspect
end

#to_hash ⇒ Object 



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# File 'lib/config_context.rb', line 85

def to_hash 
  @config || init
end

#to_s ⇒ Object 



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# File 'lib/config_context.rb', line 95

def to_s
  "#{@config.inspect}"
end