Class: Utopia::Content::Links::Resolver

Inherits:
Object
  • Object
show all
Defined in:
lib/utopia/content/links.rb

Overview

Represents a list of Utopia::Content::Link instances relating to the structure of the content. They are formed from the links.yaml file and the actual directory structure on disk.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(links, top = Path.root) ⇒ Resolver

Returns a new instance of Resolver.

Raises:

  • (ArgumentError) 


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# File 'lib/utopia/content/links.rb', line 139

def initialize(links, top = Path.root)
  raise ArgumentError.new("top path must be absolute") unless top.absolute?
  
  @links = links
  
  @top = top
  
  # top.components.first == '', but this isn't a problem here.
  @path = File.join(links.root, top.components)
  
  @ordered = []
  @named = {}
  
  if File.directory?(@path)
    @metadata = links.metadata(@path)
    
    load_links(@metadata.dup) do |link|
      @ordered << link
      (@named[link.name] ||= []) << link
    end
  else
    @metadata = nil
  end
end

Instance Attribute Details

#named ⇒ Object (readonly)

Returns the value of attribute named.



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# File 'lib/utopia/content/links.rb', line 166

def named
  @named
end

#ordered ⇒ Object (readonly)

Returns the value of attribute ordered.



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# File 'lib/utopia/content/links.rb', line 165

def ordered
  @ordered
end

#top ⇒ Object (readonly)

Returns the value of attribute top.



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# File 'lib/utopia/content/links.rb', line 164

def top
  @top
end

Instance Method Details

#each(locale) ⇒ Object 



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# File 'lib/utopia/content/links.rb', line 172

def each(locale)
  return to_enum(:each, locale) unless block_given?
  
  ordered.each do |links|
    yield links.find{|link| link.locale == locale}
  end
end

#indices ⇒ Object 



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# File 'lib/utopia/content/links.rb', line 168

def indices
  return @ordered.select{|link| link.index?}
end

#lookup(name, locale = nil) ⇒ Object 



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# File 'lib/utopia/content/links.rb', line 180

def lookup(name, locale = nil)
  # This allows generic links to serve any locale requested.
  if links = @named[name]
    generic_link = nil
    
    links.each do |link|
      if link.locale == locale
        return link
      elsif link.locale.nil?
        generic_link = link
      end
    end
    
    return generic_link
  end
end