Module: Stack

Defined in:
lib/stack.rb,
lib/stack/runner.rb,
lib/stack/server.rb,
lib/stack/watcher.rb,
lib/stack/parsable.rb,
lib/stack/template.rb,
lib/stack/generator.rb,
lib/stack/configuration.rb,
lib/stack/filters/string.rb,
lib/stack/templates/page.rb,
lib/stack/filters/datetime.rb,
lib/stack/filters/register.rb,
lib/stack/filters/standard.rb,
lib/stack/templates/layout.rb,
lib/stack/filters/convertors.rb

Defined Under Namespace

Modules: Filters, Parsable, Template, Templates Classes: Configuration, Generator, Runner, Server, Watcher

Constant Summary collapse

DEFAULTS =

Default options used by stack, overridden from the command line or YML configration file.

{
  :source => '.',
  :target => File.join('.', '_stack')
}.freeze
COMMANDS =

Array of valid commands stack can use

%w(create generate server watch)
EXTENSIONS =

Array of transformable extensions (these extensions go through the liquid transformer)

%w(.html .markdown .mdown .mkdn .md .textile .js .css)

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.runner ⇒ Object

Returns the value of attribute runner.



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# File 'lib/stack.rb', line 47

def runner
  @runner
end

Class Method Details

.configuration(override) ⇒ Object

Merges the configuration from YAML file, command line and defaults



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# File 'lib/stack.rb', line 77

def self.configuration(override)
  config = { }
  source = File.join(override[:source] || Stack::DEFAULTS[:source])
  
  config_file = File.join(source, "_stack.yml")
  
  begin
    yml = YAML.load_file(config_file)
    
    raise "Invalid configuration - #{config_file}" if !config.is_a?(Hash)
    
    yml.each { |key, value| config[key.to_sym] = value }
    
    STDOUT.puts "Configuration loaded from #{config_file}"
  rescue => error
    STDERR.puts "WARNING: Could not read configuration. Using defaults (and options)."
    STDERR.puts "\t" + error.to_s
  end
  
  # Merge configuration with defaults
  Stack::DEFAULTS.deep_merge(override).deep_merge(config)
end

.parse!(argv) ⇒ Object

Parses the options configuration from the command line



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# File 'lib/stack.rb', line 51

def self.parse!(argv)
  config = { }
  
  parser = OptionParser.new do |opts|
    opts.banner = "Usage: stack [options] #{Stack::COMMANDS.join('|')}"

    opts.on("-s", "--source [DIR]", "Directory to use as the source for generating a stack") do |l|
      if !l.nil?
        config[:source] = l
        config[:target] = "#{config[:source]}_stack"
      end
    end
    opts.on("-t", "--target [DIR]", "Directory to use as the target directory") do |l| config[:target] = l unless l.nil? end
    
    opts.on_tail("-h", "--help", "Show this message") { puts opts; exit }
    opts.on_tail("-v", "--version", "Show version") do puts "stack #{Stack::version}"; exit; end
  end
  
  parser.parse! argv
  
  options = Stack::configuration(config)
  
  options
end

.version ⇒ Object

Stacks current version



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

def self.version
  version_file = File.join(File.dirname(__FILE__), *%w[.. VERSION.yml])
  
  if File.exist?(version_file)
    yml = YAML.load(File.read(version_file))
  
    "#{yml[:major]}.#{yml[:minor]}.#{yml[:patch]}"
  else
    "0.0.0"
  end
end