Class: LanguageServer::Protocol::Stdio::Reader

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

Instance Method Summary collapse

Instance Method Details

#read(&block) ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/language_server.rb', line 15

def read(&block)
  buffer = ""
  header_parsed = false
  content_length = nil

  while char = STDIN.getc
    buffer << char

    unless header_parsed
      if buffer[-4..-1] == "\r\n" * 2
        content_length = buffer.match(/Content-Length: (\d+)/i)[1].to_i

        header_parsed = true
        buffer.clear
      end
    else
      if buffer.bytesize == content_length
        LanguageServer.logger.debug("Receive: #{buffer}")

        request = JSON.parse(buffer, symbolize_names: true)

        block.call(request)

        header_parsed = false
        buffer.clear
      end
    end
  end
end