Class: Gorgeous

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

Constant Summary collapse

PRETTY = 
File.expand_path('../pretty.xslt', __FILE__)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input, options = {}) ⇒ Gorgeous

Returns a new instance of Gorgeous.



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# File 'lib/gorgeous.rb', line 97

def initialize(input, options = {})
  @input = input
  @format = options[:format]
  @options = options
end

Class Method Details

.convert_utf8(string, from_charset) ⇒ Object 



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# File 'lib/gorgeous.rb', line 19

def self.convert_utf8(string, from_charset)
  if from_charset.nil? or from_charset.downcase.tr('-', '') == 'utf8'
    string
  else
    require 'iconv'
    Iconv.conv 'utf-8', from_charset, string
  end
end

.filename_to_format(filename) ⇒ Object 



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# File 'lib/gorgeous.rb', line 2

def self.filename_to_format(filename)
  case File.extname(filename)
  when '.json' then :json
  when '.xml', '.html' then :xml
  when '.rb' then :ruby
  when '.yml', '.yaml' then :yaml
  when '.mail', '.email' then :email
  end
end

.headers_from_mail(email) ⇒ Object 



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# File 'lib/gorgeous.rb', line 28

def self.headers_from_mail(email)
  require 'active_support/ordered_hash'
  require 'active_support/core_ext/object/blank'

  address_field = lambda { |name|
    if field = email.header[name]
      values = field.addrs.map { |a|
        Mail::Encodings.unquote_and_convert_to(a.format, 'utf-8')
      }
      values.size < 2 ? values.first : values
    end
  }
  header_value = lambda { |name|
    field = email.header[name]
    if Array === field
      field.map { |f| f.value.to_s }
    elsif field
      field.value.to_s
    end
  }
  decoded_value = lambda { |name|
    field = email.header[name]
    Mail::Encodings.unquote_and_convert_to(field.value, 'utf-8') if field
  }

  data = ActiveSupport::OrderedHash.new
  data[:subject] = decoded_value['subject']
  data[:from] = address_field['from']
  data[:to] = address_field['to']
  data[:cc] = address_field['cc']
  data[:bcc] = address_field['bcc']
  data[:reply_to] = address_field['reply-to']
  data[:return_path] = email.return_path

  data[:message_id] = email.message_id
  data[:in_reply_to] = email.in_reply_to
  data[:references] = email.references

  data[:date] = email.date
  data[:sender] = address_field['sender']
  data[:delivered_to] = header_value['delivered-to']
  data[:original_sender] = header_value['x-original-sender']
  data[:content_type] = email.content_type.to_s.split(';', 2).first.presence
  data[:precedence] = header_value['precedence']

  data.tap { |hash| hash.reject! { |k,v| v.nil? } }
end

.http_from_string(raw_response) ⇒ Object

adapted from webmock



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# File 'lib/gorgeous.rb', line 77

def self.http_from_string(raw_response)
  if raw_response.is_a?(IO)
    string = raw_response.read
    raw_response.close
    raw_response = string
  end
  socket = ::Net::BufferedIO.new(raw_response)
  response = ::Net::HTTPResponse.read_new(socket)
  transfer_encoding = response.delete('transfer-encoding') # chunks were already read
  response.reading_body(socket, true) {}

  options = {}
  options[:headers] = {}
  response.each_header { |name, value| options[:headers][name] = value }
  options[:headers]['transfer-encoding'] = transfer_encoding if transfer_encoding
  options[:body] = response.read_body
  options[:status] = [response.code.to_i, response.message]
  options
end

.pretty_xml(ugly) ⇒ Object 



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# File 'lib/gorgeous.rb', line 14

def self.pretty_xml(ugly)
  tidy = Nokogiri::XSLT File.read(PRETTY)
  tidy.transform(ugly).to_s
end

Instance Method Details

#data ⇒ Object

typically hash or array



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# File 'lib/gorgeous.rb', line 122

def data
  apply_query case format
  when :xml
    require 'active_support/core_ext/hash/conversions'
    Hash.from_xml(to_s)
  when :json
    begin
      require 'yajl/json_gem'
    rescue LoadError
      require 'json'
    end
    JSON.parse to_s
  when :yaml
    require 'yaml'
    YAML.load to_s
  when :email
    self.class.headers_from_mail to_mail
  when :ruby
    eval to_s # TODO: sandbox
  when :url
    require 'rack/utils'
    Rack::Utils.parse_nested_query(to_s.strip)
  when :http
    require 'net/http'
    self.class.http_from_string(to_s)[:headers]
  else
    raise ArgumentError, "don't know how to decode #{format}"
  end
end

#filtered? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gorgeous.rb', line 103

def filtered?
  !!@options[:query]
end

#format ⇒ Object 



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# File 'lib/gorgeous.rb', line 111

def format
  @format ||= begin
    if @options[:filename]
      self.class.filename_to_format(@options[:filename])
    else
      guess_format
    end
  end
end

#to_mail ⇒ Object 



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# File 'lib/gorgeous.rb', line 157

def to_mail
  require 'mail'
  raw = to_s.lstrip
  raw << "\n" unless raw[-1, 1] == "\n"
  Mail.new raw
end

#to_s ⇒ Object 



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# File 'lib/gorgeous.rb', line 107

def to_s
  @str ||= @input.respond_to?(:read) ? @input.read : @input
end

#to_xml ⇒ Object 



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# File 'lib/gorgeous.rb', line 152

def to_xml
  require 'nokogiri'
  Nokogiri to_s
end