class ImagePaths
Main gem class
Constants
- VERSION
Public Class Methods
at(page_path)
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# File lib/image_paths.rb, line 9 def self.at(page_path) begin return collect_paths(page_path) if path_correct?(page_path) rescue => e puts "StandardError: #{e}" return [] end [] end
collect_paths(page_path)
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# File lib/image_paths.rb, line 49 def self.collect_paths(page_path) links = [] Nokogiri::HTML(open(page_path)).css('img').select { |link| links << link.attr('src') } links end
path_correct?(page_path)
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# File lib/image_paths.rb, line 19 def self.path_correct?(page_path) uri_ok?(page_path) && response_ok?(page_path) end
response_ok?(page_path)
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response.body, .code, .message, .headers.inspect
# File lib/image_paths.rb, line 32 def self.response_ok?(page_path) begin response = HTTParty.get(page_path) if response.code.to_i >= 400 puts "Error: bad response: response.code = #{response.code}" return false end rescue HTTParty::Error puts 'HTTParty::Error: bad response. HTTParty::Error' return false rescue StandardError puts 'StandardError: bad response' return false end true end
uri_ok?(page_path)
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# File lib/image_paths.rb, line 23 def self.uri_ok?(page_path) unless page_path =~ /\A#{URI.regexp(%w(http https))}\z/ puts 'Error: bad uri' return false end true end