Class: Absolutize

Inherits:
Object
  • Object
show all
Defined in:
lib/absolutize.rb

Instance Method Summary collapse

Constructor Details

#initialize(base_url, options = {}) ⇒ Absolutize

Returns a new instance of Absolutize.



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# File 'lib/absolutize.rb', line 7

def initialize(base_url, options = {})
  @base_url = base_url
  @options = options
  
  @options[:remove_anchors] = false if @options[:remove_anchors].nil? 
  @options[:force_escaping] = true if @options[:force_escaping].nil?
  @options[:output_debug] = false if @options[:output_debug].nil?
  @options[:raise_exceptions] = false if @options[:output_debug].nil?
  
end

Instance Method Details

#url(relative_url) ⇒ Object 



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# File 'lib/absolutize.rb', line 18

def url(relative_url)
  # encode the url if the new url contains spaces but doesn't contain %, i.e isn't already encoded
  relative_url = relative_url.split("#").first if relative_url.include?"#" and @options[:remove_anchors]
  if @options[:force_escaping]
    relative_url = URI.decode(relative_url)#force the decode of the URL
    relative_url = URI.encode(relative_url, " <>\{\}|\\\^\[\]|`")
  end
  
  absolute_url = nil
  begin
    absolute_url = URI.join(@base_url, relative_url)
  rescue URI::InvalidURIError => uri
    begin
      puts "Unable to use URI.join attempting manually" if @options[:output_debug]
      if @base_url =~ /\Ahttp/ and relative_url =~ /\A\//
        puts "base url starts with http and relative_url is relative to root" if @options[:output_debug]
        uri = URI.parse(@base_url)
        if uri.port
          absolute_url = URI.parse("#{uri.scheme}://#{uri.host}:#{uri.port}#{relative_url}")
        else
          absolute_url = URI.parse("#{uri.scheme}://#{uri.host}#{relative_url}")
        end
      elsif relative_url =~ /\Ahttp/
        #new url is absolute anyway
        absolute_url = URI.parse(relative_url)
      else
        raise "Unable to absolutize #{@base_url} and #{relative_url}" if @options[:raise_exceptions]
        absolute_url = relative_url
      end
    rescue URI::InvalidURIError => uri_2
      # ok, givin it a fair go trying to get this url, raise an exception if the option is set otherwise give up and return original relative url
      raise "Unable to absolutize #{@base_url} and #{relative_url}" if @options[:raise_exceptions]
      absolute_url = relative_url        
    end
  end
  absolute_url
end