Class: Code::Object::Html

Inherits:
Code::Object show all
Defined in:
lib/code/object/html.rb

Constant Summary collapse

TAGS = 
%w[
  a abbr address area article aside audio b base bdi bdo blockquote body br
  button canvas caption cite code col colgroup data datalist dd del details
  dfn dialog div dl dt em embed fieldset figcaption figure footer form h1
  h2 h3 h4 h5 h6 head header hgroup hr html i iframe img input ins kbd
  label legend li link main map mark meta meter nav noscript object ol
  optgroup option output p picture pre progress q rp rt ruby s samp script
  section select slot small source span strong style sub summary sup table
  tbody td template textarea tfoot th thead time title tr track u ul var
  video wbr
].freeze

Constants inherited from Code::Object

NUMBER_CLASSES

Instance Attribute Summary

Attributes included from Concerns::Shared

#methods, #raw

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Code::Object

code_new, #code_new, maybe, #name, repeat, |

Methods included from Concerns::Shared

#<=>, #==, #as_json, #blank?, #code_and, #code_as_json, #code_blank?, #code_compare, #code_deep_duplicate, #code_different, #code_duplicate, #code_equal, #code_exclamation_mark, #code_exclusive_range, #code_falsy?, code_fetch, #code_fetch, code_get, #code_get, #code_greater, #code_greater_or_equal, #code_inclusive_range, #code_inspect, #code_less, #code_less_or_equal, #code_methods, #code_name, #code_nothing?, #code_or, #code_presence, #code_presence_in, #code_present?, #code_self, code_set, #code_set, #code_something?, #code_strict_different, #code_strict_equal, #code_to_boolean, #code_to_class, #code_to_date, #code_to_decimal, #code_to_dictionary, #code_to_duration, #code_to_integer, #code_to_json, #code_to_list, #code_to_nothing, #code_to_parameter, #code_to_range, #code_to_time, #code_truthy?, #eql?, #falsy?, #hash, #inspect, #multi_fetch, #nothing?, #present?, #sig, #something?, #succ, #to_code, #to_i, #to_json, #truthy?

Constructor Details

#initialize(*args, **_kargs, &_block) ⇒ Html

Returns a new instance of Html.



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# File 'lib/code/object/html.rb', line 18

def initialize(*args, **_kargs, &_block)
  self.raw =
    if args.first.is_an?(Html)
      args.first.raw
    elsif args.first.is_a?(::Nokogiri::XML::NodeSet) ||
          args.first.is_a?(Nokogiri::XML::Node)
      args.first
    else
      Nokogiri.HTML(args.first.to_s)
    end
end

Class Method Details

.call(**args) ⇒ Object 



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# File 'lib/code/object/html.rb', line 30

def self.call(**args)
  code_operator = args.fetch(:operator, nil).to_code
  code_arguments = args.fetch(:arguments, []).to_code
  globals = multi_fetch(args, *GLOBALS)

  case code_operator.to_s
  when "escape"
    sig(args) { Object.maybe }
    code_escape(*code_arguments.raw, **globals)
  when "join"
    sig(args) { [Object.maybe, Object.maybe] }
    code_join(*code_arguments.raw, **globals)
  when "text"
    sig(args) { Object.maybe }
    code_text(code_arguments.code_first, **globals)
  when "raw"
    sig(args) { Object.maybe }
    code_raw(code_arguments.code_first, **globals)
  else
    if TAGS.include?(code_operator.to_s.downcase)
      sig(args) { [Dictionary.maybe, Function.maybe] }
      code_tag(code_operator, *code_arguments.raw, **globals)
    else
      super
    end
  end
end

.code_escape(value_or_function = nil, **globals) ⇒ Object 



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# File 'lib/code/object/html.rb', line 99

def self.code_escape(value_or_function = nil, **globals)
  if value_or_function.is_a?(Function)
    code_value = value_or_function.to_code.call(**globals)
  else
    code_value = value_or_function.to_code
  end

  String.new(CGI.escapeHTML(value.to_s))
end

.code_join(first = nil, second = nil, **globals) ⇒ Object 



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# File 'lib/code/object/html.rb', line 109

def self.code_join(first = nil, second = nil, **globals)
  if second.is_a?(Function)
    code_contents = second.to_code.call(**globals)
    code_separator = first.to_code
  else
    code_contents = first.to_code
    code_separator = second.to_code
  end

  fragment = Nokogiri::HTML::DocumentFragment.parse("")

  return Html.new(fragment) if code_contents.nothing?
  return Html.new(fragment) unless code_contents.is_a?(List)

  code_contents.raw.each.with_index do |code_content, index|
    if code_content.is_an?(Html)
      content = Nokogiri::HTML::DocumentFragment.parse(code_content.to_html)
    else
      content = Nokogiri::XML::Text.new(code_content.to_s, fragment.document)
    end

    if code_separator.is_an?(Html)
      separator = Nokogiri::HTML::DocumentFragment.parse(code_separator.to_html)
    else
      separator = Nokogiri::XML::Text.new(code_separator.to_s, fragment.document)
    end

    fragment.add_child(separator) unless index.zero?
    fragment.add_child(content)
  end

  Html.new(fragment)
end

.code_raw(value_or_function = nil, **globals) ⇒ Object 



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# File 'lib/code/object/html.rb', line 156

def self.code_raw(value_or_function = nil, **globals)
  if value_or_function.is_a?(Function)
    code_value = value_or_function.to_code.call(**globals)
  else
    code_value = value_or_function.to_code
  end

  if code_value.is_an?(Html)
    Html.new(Nokogiri::HTML::DocumentFragment.parse(code_value.to_html))
  else
    Html.new(Nokogiri::HTML::DocumentFragment.parse(code_value.to_s))
  end
end

.code_tag(name, attributes_or_function = {}, function = nil, **globals) ⇒ Object 



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# File 'lib/code/object/html.rb', line 58

def self.code_tag(name, attributes_or_function = {}, function = nil, **globals)
  code_name = name.to_code

  if attributes_or_function.is_a?(Function)
    code_attributes = {}.to_code
    code_function = attributes_or_function.to_code
  else
    code_attributes = attributes_or_function.to_code
    code_function = function.to_code
  end

  fragment = Nokogiri::HTML::DocumentFragment.parse("")
  node = Nokogiri::XML::Node.new(code_name.to_s.downcase, fragment.document)

  code_attributes.raw.each do |code_key, code_value|
    next if code_key.nothing?
    next if code_value.nothing?

    node[code_key.to_s] = code_value.to_s
  end

  if code_function.something?
    code_content = code_function.call(
      arguments: List.new([code_name, code_attributes]),
      **globals
    )

    if code_content.is_an?(Html)
      content = Nokogiri::HTML::DocumentFragment.parse(code_content.to_html)
    else
      content = Nokogiri::XML::Text.new(code_content.to_s, fragment.document)
    end

    node.add_child(content)
  end

  fragment.add_child(node)

  Html.new(fragment)
end

.code_text(value_or_function = nil, **globals) ⇒ Object 



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# File 'lib/code/object/html.rb', line 143

def self.code_text(value_or_function = nil, **globals)
  if value_or_function.is_a?(Function)
    code_value = value_or_function.to_code.call(**globals)
  else
    code_value = value_or_function.to_code
  end

  fragment = Nokogiri::HTML::DocumentFragment.parse("")
  fragment.add_child(Nokogiri::XML::Text.new(code_value.to_s, fragment.document))

  Html.new(fragment)
end

Instance Method Details

#call(**args) ⇒ Object 



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# File 'lib/code/object/html.rb', line 170

def call(**args)
  code_operator = args.fetch(:operator, nil).to_code
  code_arguments = args.fetch(:arguments, []).to_code
  code_value = code_arguments.code_first
  globals = multi_fetch(args, *GLOBALS)

  case code_operator.to_s
  when "css"
    sig(args) { String }
    code_css(code_value)
  when "at_css"
    sig(args) { String }
    code_at_css(code_value)
  when "map"
    sig(args) { Function }
    code_map(code_value, **globals)
  when "to_string"
    sig(args)
    code_to_string
  when "to_html"
    sig(args)
    code_to_html
  when "attribute"
    sig(args) { String }
    code_attribute(code_value)
  else
    super
  end
end

#code_at_css(query) ⇒ Object 



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# File 'lib/code/object/html.rb', line 206

def code_at_css(query)
  code_query = query.to_code

  Html.new(raw.at_css(code_query.raw))
end

#code_attribute(value = nil) ⇒ Object 



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# File 'lib/code/object/html.rb', line 243

def code_attribute(value = nil)
  code_value = value.to_code
  String.new(raw.attr(code_value.to_s))
end

#code_css(query) ⇒ Object 



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# File 'lib/code/object/html.rb', line 200

def code_css(query)
  code_query = query.to_code

  Html.new(raw.css(code_query.raw))
end

#code_map(argument, **globals) ⇒ Object 



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# File 'lib/code/object/html.rb', line 212

def code_map(argument, **globals)
  code_argument = argument.to_code

  List.new(
    raw.map.with_index do |element, index|
      code_argument.call(
        arguments: List.new([element.to_code, Integer.new(index), self]),
        **globals
      )
    rescue Error::Next => e
      e.code_value
    end
  )
end

#code_to_html ⇒ Object 



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# File 'lib/code/object/html.rb', line 235

def code_to_html
  String.new(raw.to_html)
end

#code_to_string ⇒ Object 



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# File 'lib/code/object/html.rb', line 239

def code_to_string
  String.new(raw.text)
end

#to_html ⇒ Object 



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# File 'lib/code/object/html.rb', line 231

def to_html
  raw.to_html
end

#to_s ⇒ Object 



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# File 'lib/code/object/html.rb', line 227

def to_s
  raw.text
end