Class: Html2rss::Selectors::PostProcessors::HtmlTransformers::WrapImgInA

Inherits:

Object

• Object
• Html2rss::Selectors::PostProcessors::HtmlTransformers::WrapImgInA

Defined in:

lib/html2rss/selectors/post_processors/html_transformers/wrap_img_in_a.rb

Overview

Transformer that wraps tags into tags linking to img.src.

Instance Method Summary

• #already_wrapped?(node) ⇒ Boolean

  Whether the image is already wrapped in a link.

• #call(node_name:, node:, **_env) ⇒ nil

  Wraps tags into tags that link to img.src.

• #should_process?(node_name) ⇒ Boolean

  Whether this transformer should run for the node.

Instance Method Details

#already_wrapped?(node) ⇒ Boolean

Returns whether the image is already wrapped in a link.

Parameters:

• node (Nokogiri::XML::Node) —

  node currently being transformed

Returns:

• (Boolean) —

  whether the image is already wrapped in a link

# File 'lib/html2rss/selectors/post_processors/html_transformers/wrap_img_in_a.rb', line 32

def already_wrapped?(node)
  node.parent.name == 'a'
end

#call(node_name:, node:, **_env) ⇒ nil

Wraps tags into tags that link to img.src.

Parameters:

• node_name (String)
• node (Nokogiri::XML::Node)
• _env (Hash) —

  transformer context

Options Hash (**_env):

• :_reserved (Object) —

  reserved for transformer pipeline context

Returns:

• (nil)

# File 'lib/html2rss/selectors/post_processors/html_transformers/wrap_img_in_a.rb', line 18

def call(node_name:, node:, **_env)
  return unless should_process?(node_name)

  wrap_image_in_anchor(node) unless already_wrapped?(node)
end

#should_process?(node_name) ⇒ Boolean

Returns whether this transformer should run for the node.

Parameters:

• node_name (String) —

  node name currently being transformed

Returns:

• (Boolean) —

  whether this transformer should run for the node

# File 'lib/html2rss/selectors/post_processors/html_transformers/wrap_img_in_a.rb', line 26

def should_process?(node_name)
  node_name == 'img'
end