Class: Juknife::Middleware::ScrapingDSL

Inherits:
Faraday::Response::Middleware
  • Object
show all
Includes:
Scraping::DSL
Defined in:
lib/juknife/middleware/scraping_dsl.rb

Overview

A Faraday middleware to interpret Juknife scraping DSL

Instance Method Summary collapse

Methods included from Scraping::DSL

#children, #item, #items, #scope

Constructor Details

#initialize(app, params = {}, &block) ⇒ ScrapingDSL

Returns a new instance of ScrapingDSL.



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# File 'lib/juknife/middleware/scraping_dsl.rb', line 12

def initialize(app, params = {}, &block)
  super(app)
  @params = params
  instance_eval(&block)
end

Instance Method Details

#parse(doc) ⇒ Object 



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# File 'lib/juknife/middleware/scraping_dsl.rb', line 18

def parse(doc)
  context = Juknife::Scraping::Context.new(doc)

  children.each do |child|
    child.visit(context)
  end

  context.result
end