Module: Haml::AttributeBuilder

Defined in:
lib/haml/attribute_builder.rb,
ext/haml/haml.c

Constant Summary collapse

BOOLEAN_ATTRIBUTES = 
%w[disabled readonly multiple checked autobuffer
autoplay controls loop selected hidden scoped async
defer reversed ismap seamless muted required
autofocus novalidate formnovalidate open pubdate
itemscope allowfullscreen default inert sortable
truespeed typemustmatch download].freeze

Class Method Summary collapse

Class Method Details

.build(escape_attrs, quote, format, boolean_attributes, object_ref, *hashes) ⇒ Object 



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# File 'ext/haml/haml.c', line 493

def build(escape_attrs, quote, format, boolean_attributes, object_ref, *hashes)
  hashes << Haml::ObjectRef.parse(object_ref) if object_ref
  buf  = []
  hash = merge_all_attrs(hashes)

  keys = hash.keys.sort!
  keys.each do |key|
    case key
    when 'id'.freeze
      buf << " id=#{quote}#{build_id(escape_attrs, *hash[key])}#{quote}"
    when 'class'.freeze
      buf << " class=#{quote}#{build_class(escape_attrs, *hash[key])}#{quote}"
    when 'data'.freeze
      buf << build_data(escape_attrs, quote, *hash[key])
    when *boolean_attributes, /\Adata-/
      build_boolean!(escape_attrs, quote, format, buf, key, hash[key])
    else
      buf << " #{key}=#{quote}#{escape_html(escape_attrs, hash[key].to_s)}#{quote}"
    end
  end
  buf.join
end

.build_aria(escape_attrs, quote, *hashes) ⇒ Object 



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# File 'ext/haml/haml.c', line 471

def build_aria(escape_attrs, quote, *hashes)
  build_data_attribute(:aria, escape_attrs, quote, *hashes)
end

.build_class(escape_attrs, *values) ⇒ Object 



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# File 'ext/haml/haml.c', line 460

def build_class(escape_attrs, *values)
  if values.size == 1
    value = values.first
    case
    when value.is_a?(String)
      # noop
    when value.is_a?(Array)
      value = value.flatten.select { |v| v }.map(&:to_s).uniq.join(' ')
    when value
      value = value.to_s
    else
      return ''
    end
    return escape_html(escape_attrs, value)
  end

  classes = []
  values.each do |value|
    case
    when value.is_a?(String)
      classes += value.split(' ')
    when value.is_a?(Array)
      classes += value.select { |v| v }
    when value
      classes << value.to_s
    end
  end
  escape_html(escape_attrs, classes.map(&:to_s).uniq.join(' '))
end

.build_data(escape_attrs, quote, *hashes) ⇒ Object 



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# File 'ext/haml/haml.c', line 482

def build_data(escape_attrs, quote, *hashes)
  build_data_attribute(:data, escape_attrs, quote, *hashes)
end

.build_id(escape_attrs, *values) ⇒ Object 



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# File 'ext/haml/haml.c', line 449

def build_id(escape_attrs, *values)
  escape_html(escape_attrs, values.flatten.select { |v| v }.join('_'))
end