Module: Haml::AttributeBuilder

Defined in:

lib/haml/attribute_builder.rb,
ext/haml/haml.c

Class Method Summary

• .build(escape_attrs, quote, format, boolean_attributes, object_ref, *hashes)
• .build_aria(escape_attrs, quote, *hashes)
• .build_class(escape_attrs, *values)
• .build_data(escape_attrs, quote, *hashes)
• .build_id(escape_attrs, *values)

Class Method Details

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

# 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)

# 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)

# 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)

# 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)

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

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