Class: Metis::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/metis/context.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(configuration_file = nil) ⇒ Context

Returns a new instance of Context.



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# File 'lib/metis/context.rb', line 6

def initialize(configuration_file=nil)
  @definitions = Hash.new
  @configuration_file = configuration_file if configuration_file && File.exists?(configuration_file)

  @configuration = Metis::Configuration.new
  @configuration.from_file(configuration_file) if @configuration_file
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'lib/metis/context.rb', line 4

def configuration
  @configuration
end

#definitions ⇒ Object (readonly)

Returns the value of attribute definitions.



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# File 'lib/metis/context.rb', line 4

def definitions
  @definitions
end

Instance Method Details

#load ⇒ Object 



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# File 'lib/metis/context.rb', line 14

def load
  load_checks
  load_check_config
  true
end

#load_check_config ⇒ Object 



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# File 'lib/metis/context.rb', line 36

def load_check_config
  @configuration.blocks.each do |check_name,blocks|
    raise "Unknown check definition: #{check_name}" unless @definitions[check_name]
    blocks.each { |block| @definitions[check_name].instance_eval(&block) }
  end
  true
end

#load_checks ⇒ Object 



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# File 'lib/metis/context.rb', line 20

def load_checks
  @configuration.checks_include_directories.each do |dir|
    Dir.glob(File.join(dir, "**/*.rb")).each do |filename|
      next if @configuration.ignore_filename_patterns.detect { |p| filename =~ p }

      checklist = Metis::CheckDefinitionList.new
      checklist.from_file(filename)

      definitions.merge!(checklist.defines) do |key, oldval, newval|
        puts "Overriding duplicate definition #{key}, new definition found in #{filename}"
        newval
      end
    end
  end
end