Class: GfmLivePreview::Server

Inherits:
Sinatra::Application
  • Object
show all
Defined in:
lib/gfm_live_preview/server.rb

Instance Method Summary collapse

Instance Method Details

#render_document(ws, relative_path) ⇒ Object 



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# File 'lib/gfm_live_preview/server.rb', line 17

def render_document(ws, relative_path)
  document = GfmLivePreview.read_file relative_path
  syntax_highlight! document
  doc = GitHub::Markdown.render_gfm document
  EM.next_tick { ws.send doc }
end

#setup_websockets(request, relative_path = nil) ⇒ Object 



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# File 'lib/gfm_live_preview/server.rb', line 24

def setup_websockets(request, relative_path = nil)
  request.websocket do |ws|
    ws.onopen do
      render_document ws, relative_path
      listener = Listen.to GfmLivePreview.root do 
        render_document ws, relative_path
      end
      listener.start
      settings.sockets << ws
    end
    ws.onclose do
      settings.sockets.delete ws
    end
  end
end

#syntax_highlight!(str) ⇒ Object 



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# File 'lib/gfm_live_preview/server.rb', line 8

def syntax_highlight! str
  SyntaxHighlighter.highlight! str do |string, hexcolor|
    "<span style=\"color:##{hexcolor}\">#{string}</span>"
  end
rescue => e
  puts "Exception during syntax highlighting: #{e}"
  e.backtrace.each do |line| puts line; end
end