Class: Html2rss::Selectors::PostProcessors::ParseUri

Inherits:
Base
  • Object
show all
Defined in:
lib/html2rss/selectors/post_processors/parse_uri.rb

Overview

Returns the normalized URL as a String. If the URL is relative, it resolves it against the channel URL.

Imagine this HTML structure:

<span>http://why-not-use-a-link.uh </span>

YAML usage example:

selectors:
  link:
    selector: span
    extractor: text
    post_process:
      name: parse_uri

Would return:

'http://why-not-use-a-link.uh'

Instance Attribute Summary

Attributes inherited from Base

#context, #value

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

assert_type, expect_options, #initialize

Constructor Details

This class inherits a constructor from Html2rss::Selectors::PostProcessors::Base

Class Method Details

.validate_args!(value, _context) ⇒ void

This method returns an undefined value.

Parameters:

  • value (String) —

    extracted selector value

  • _context (Selectors::Context) —

    post-processor context

Raises:

  • (ArgumentError) 


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# File 'lib/html2rss/selectors/post_processors/parse_uri.rb', line 29

def self.validate_args!(value, _context)
  raise ArgumentError, 'The `value` option is missing or empty.' if value.to_s.empty?
end

Instance Method Details

#get ⇒ String

Returns:

  • (String) 


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# File 'lib/html2rss/selectors/post_processors/parse_uri.rb', line 35

def get
  config_url = context.dig(:config, :channel, :url)

  Url.from_relative(value, config_url).to_s
end