Module: CPEE::EvalRuby::Translation

Defined in:
lib/cpee-eval-ruby/translation.rb

Defined Under Namespace

Classes: ParamArray

Class Method Summary collapse

Class Method Details

.convert_to_base64(text) ⇒ Object 



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# File 'lib/cpee-eval-ruby/translation.rb', line 136

def self::convert_to_base64(text)
  ('data:' + MimeMagic.by_magic(text).type + ';base64,' + Base64::encode64(text)) rescue ('data:application/octet-stream;base64,' + Base64::encode64(text))
end

.detect_encoding(text) ⇒ Object 



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# File 'lib/cpee-eval-ruby/translation.rb', line 117

def self::detect_encoding(text)
  if text.is_a? String
    if text.valid_encoding? && text.encoding.name == 'UTF-8'
      'UTF-8'
    else
      res = CharlockHolmes::EncodingDetector.detect(text)
      if res.is_a?(Hash) && res[:type] == :text && res[:ruby_encoding] != "binary"
        res[:encoding]
      elsif res.is_a?(Hash) && res[:type] == :binary
        'BINARY'
      else
        'ISO-8859-1'
      end
    end
  else
    'OTHER'
  end
end

.extract_base64(text) ⇒ Object 



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# File 'lib/cpee-eval-ruby/translation.rb', line 139

def self::extract_base64(text)
  if text.is_a?(String) && text.start_with?(/(data:[\w_\/-]+;base64,)/)
    Base64::decode64(text.delete_prefix $1)
  else  
    text
  end
end

.simplify_result(result) ⇒ Object 



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# File 'lib/cpee-eval-ruby/translation.rb', line 77

def self::simplify_result(result)
  if result.length == 1
    if result[0].is_a? Riddl::Parameter::Simple
      result = result[0].value
    elsif result[0].is_a? Riddl::Parameter::Complex
      if result[0].mimetype == 'application/json'
        result = JSON::parse(result[0].value.read) rescue nil
      elsif result[0].mimetype == 'text/csv'
        result = result[0].value.read
      elsif result[0].mimetype == 'text/yaml'
        result = YAML::load(result[0].value.read) rescue nil
      elsif result[0].mimetype == 'application/xml' || result[0].mimetype == 'text/xml'
        result = XML::Smart::string(result[0].value.read) rescue nil
      elsif result[0].mimetype == 'text/plain'
        result = result[0].value.read
        if result.start_with?("<?xml version=")
          result = XML::Smart::string(result)
        else
          result = result.to_f if result == result.to_f.to_s
          result = result.to_i if result == result.to_i.to_s
        end
      elsif result[0].mimetype == 'text/html'
        result = result[0].value.read
        result = result.to_f if result == result.to_f.to_s
        result = result.to_i if result == result.to_i.to_s
      else
        result = result[0]
      end
    end
  else
    result = Riddl::Parameter::Array[*result]
  end
  if result.is_a? String
    enc = CPEE::EvalRuby::Translation::detect_encoding(result)
    enc == 'OTHER' ? result : (result.encode('UTF-8',enc) rescue CPEE::EvalRuby::Translation::convert_to_base64(result))
  else
    result
  end
end

.simplify_structurized_result(result) ⇒ Object 



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# File 'lib/cpee-eval-ruby/translation.rb', line 37

def self::simplify_structurized_result(result)
  if result && result.length == 1
    if result[0].has_key? 'mimetype'
      if result[0]['mimetype'] == 'application/json'
        result = JSON::parse(CPEE::EvalRuby::Translation::extract_base64(result[0]['data'])) rescue nil
      elsif result[0]['mimetype'] == 'text/csv'
        result = CPEE::EvalRuby::Translation::extract_base64(result[0]['data'])
      elsif result[0]['mimetype'] == 'text/yaml'
        result = YAML::load(CPEE::EvalRuby::Translation::extract_base64(result[0]['data'])) rescue nil
      elsif result[0]['mimetype'] == 'application/xml' || result[0]['mimetype'] == 'text/xml'
        result = XML::Smart::string(CPEE::EvalRuby::Translation::extract_base64(result[0]['data'])) rescue nil
      elsif result[0]['mimetype'] == 'text/plain'
        result = CPEE::EvalRuby::Translation::extract_base64(result[0]['data'])
        if result.start_with?("<?xml version=")
          result = XML::Smart::string(result)
        else
          result = result.to_f if result == result.to_f.to_s
          result = result.to_i if result == result.to_i.to_s
        end
      elsif result[0]['mimetype'] == 'text/html'
        result = CPEE::EvalRuby::Translation::extract_base64(result[0]['data'])
        result = result.to_f if result == result.to_f.to_s
        result = result.to_i if result == result.to_i.to_s
      else
        result = result[0]
      end
    else
      result = result[0]['data']
    end
  else
    result = ParamArray[*result]
  end
  if result.is_a? String
    enc = CPEE::EvalRuby::Translation::detect_encoding(result)
    enc == 'OTHER' ? result : (result.encode('UTF-8',enc) rescue CPEE::EvalRuby::Translation::convert_to_base64(result))
  else
    result
  end
end

.structurize_result(result) ⇒ Object 



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# File 'lib/cpee-eval-ruby/translation.rb', line 147

def self::structurize_result(result)
  result.map do |r|
    if r.is_a? Riddl::Parameter::Simple
      { 'name' => r.name, 'data' => r.value }
    elsif r.is_a? Riddl::Parameter::Complex
      res = if r.mimetype == 'application/json'
        ttt = r.value.read
        enc = CPEE::EvalRuby::Translation::detect_encoding(ttt)
        enc == 'OTHER' ? ttt.inspect : (ttt.encode('UTF-8',enc) rescue CPEE::EvalRuby::Translation::convert_to_base64(ttt))
      elsif r.mimetype == 'text/csv'
        ttt = r.value.read
        enc = CPEE::EvalRuby::Translation::detect_encoding(ttt)
        enc == 'OTHER' ? ttt.inspect : (ttt.encode('UTF-8',enc) rescue CPEE::EvalRuby::Translation::convert_to_base64(ttt))
      elsif r.mimetype == 'text/plain' || r.mimetype == 'text/html'
        ttt = r.value.read
        ttt = ttt.to_f if ttt == ttt.to_f.to_s
        ttt = ttt.to_i if ttt == ttt.to_i.to_s
        enc = CPEE::EvalRuby::Translation::detect_encoding(ttt)
        enc == 'OTHER' ? ttt.inspect : (ttt.encode('UTF-8',enc) rescue CPEE::EvalRuby::Translation::convert_to_base64(ttt))
      else
        CPEE::EvalRuby::Translation::convert_to_base64(r.value.read)
      end

      tmp = {
        'name' => r.name == '' ? 'result' : r.name,
        'mimetype' => r.mimetype,
        'data' => res.to_s
      }
      r.value.rewind
      tmp
    end
  end
end