Class: ArtTypograf::Client

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

Constant Summary collapse

URL = 
'http://typograf.artlebedev.ru/webservices/typograf.asmx'
DEFAULT_PREFERENCES = 
{
  :entity_type => :no,
  :use_br => true,
  :use_p => true,
  :max_nobr => 3
  # :encoding => 'UTF-8'
}
RESULT =

:encoding => ‘UTF-8’

/<ProcessTextResult>\s*((.|\n)*?)\s*<\/ProcessTextResult>/m

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/art_typograf/client.rb', line 68

def initialize(options = {})
  @url = URI.parse(options.delete(:url) || URL)
  @options = check_options( DEFAULT_PREFERENCES.dup.merge(options) )
end

Instance Method Details

#check_options(options) ⇒ Object 



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# File 'lib/art_typograf/client.rb', line 24

def check_options(options)
  o = options.dup

  [:use_br, :use_p].each do |key|
    val = o[key]
    o[key] = case val
      when true  then 1
      when false then 0
      when 0, 1  then val
      else raise ArgumentError, "Unknown #{key}: #{val}"
    end
  end

  o[:entity_type] = case o[:entity_type]
    when :html  then 1
    when :xml   then 2
    when :no    then 3
    when :mixed then 4
    when 1..4   then o[:entity_type]
    else raise ArgumentError, "Unknown entity_type: #{o[:entity_type]}"
  end

  o
end

#form_xml(text, options) ⇒ Object 



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# File 'lib/art_typograf/client.rb', line 49

def form_xml(text, options)
  o = options
  xml = <<-SOAP_TEMPLATE
<?xml version="1.0" encoding="UTF-8" ?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
 <ProcessText xmlns="http://typograf.artlebedev.ru/webservices/">
  <text>#{text.gsub(/&/, '&amp;').gsub(/</, '&lt;').gsub(/>/, '&gt;')}</text>
 <entityType>#{o[:entity_type]}</entityType>
 <useBr>#{o[:use_br]}</useBr>
 <useP>#{o[:use_p]}</useP>
 <maxNobr>#{o[:max_nobr]}</maxNobr>
  </ProcessText>
 </soap:Body>
</soap:Envelope>
SOAP_TEMPLATE
  xml.gsub(/^\s|\s$/, '')
end

#send_request(text) ⇒ Object

Process text with remote web-service



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# File 'lib/art_typograf/client.rb', line 74

def send_request(text)
  begin
    request = Net::HTTP::Post.new(@url.path, {
      'Content-Type' => 'text/xml',
      'SOAPAction' => '"http://typograf.artlebedev.ru/webservices/ProcessText"'
    })
    request.body = form_xml(text, @options)

    response = Net::HTTP.new(@url.host, @url.port).start do |http|
      http.request(request)
    end
  rescue StandardError => exception
    raise NetworkError.new(exception.message, exception.backtrace)
  end

  if !response.is_a?(Net::HTTPOK)
    raise NetworkError, "#{response.code}: #{response.message}"
  end

  if RESULT =~ response.body
    body = $1.gsub(/&gt;/, '>').gsub(/&lt;/, '<').gsub(/&amp;/, '&')
    body.force_encoding("UTF-8").chomp
  else
    raise NetworkError, "Can't match result #{response.body}"
  end
end