class SemanticBreadcrumbs - semantic-breadcrumbs-1.0.3 Documentation

Public Class Methods

new(divider: '›') click to toggle source

# File lib/semantic-breadcrumbs.rb, line 2
def initialize(divider: '›')
  @divider = divider
end

Public Instance Methods

breadcrumbs(links) click to toggle source

breadcrumbs takes an array of link hashes and returns HTML markup for breadcrumbs in RDFA format

# File lib/semantic-breadcrumbs.rb, line 8
def breadcrumbs(links)
  bcs = []

  position = 1
  links.each do |link|
    bcs << single(position: position, **symbolize_keys(link))
    position += 1
  end

  return %(<ol class="breadcrumbs" vocab="http://schema.org/" typeof="BreadcrumbList">#{bcs.join(@divider)}</ol>)
end

Private Instance Methods

noindent(s) click to toggle source

# File lib/semantic-breadcrumbs.rb, line 35
def noindent(s)
  s.gsub(/^\s+/, '').gsub("\n", '').strip
end

single(href:, name:, position:) click to toggle source

# File lib/semantic-breadcrumbs.rb, line 22
def single(href:, name:, position:)
  return nil if [href, name, position].include?(nil)

  noindent %(
    <li property="itemListElement" typeof="ListItem">
      <a property="item" typeof="WebPage" href="#{href}">
        <span property="name">#{name}</span>
      </a>
      <meta property="position" content="#{position}">
    </li>
  )
end

symbolize_keys(hash) click to toggle source

# File lib/semantic-breadcrumbs.rb, line 39
def symbolize_keys(hash)
  hash.inject({}){ |memo,(k,v)| memo[k.to_sym] = v; memo }
end