Class: Margot

Inherits:
Mongrel::HttpHandler
  • Object
show all
Defined in:
lib/margot.rb

Constant Summary collapse

VERSION = 
'0.5.0'
@@cache = 
{}

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ Margot 



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# File 'lib/margot.rb', line 8

def initialize(path)
  @root = File.expand_path(path)
end

Instance Method Details

#compile(file, cgi = @cgi, &block) ⇒ Object 



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# File 'lib/margot.rb', line 41

def compile(file, cgi = @cgi, &block)
  Markaby::Builder.new do |mab| 
    (class << mab; self end).send(:attr_accessor, :params)
    mab.params = cgi.params
    return mab.instance_eval(file) unless file =~ /layout/

    mab.instance_eval %[def #{layout_method = "layout_" + file.hash}() #{file} end]
    send(layout_method, &block)
  end.to_s
end

#layout(content) ⇒ Object 



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# File 'lib/margot.rb', line 52

def layout(content)
  return content unless layout = serve_file(@request.params['PATH_INFO'].split('/').join('') + 'layout')
  compile(layout) { content } 
end

#process(request, response) ⇒ Object 



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

def process(request, response)
  @cgi, @request = Mongrel::CGIWrapper.new(request, response), request
  status, content_type, body = 404, 'text/html', "<h1>404-File Not Found</h1>"
  
  if @@cache[cache_key = request.params['PATH_INFO'] + @cgi.params.sort.to_s]
    status = 200
    body   = @@cache[cache_key]
  elsif file = serve_file(request.params['PATH_INFO'])
    status = 200
    @@cache[cache_key] = (body = layout(compile(file))).dup
  end

  response.start status do |head, out|
    head["Content-Type"] = content_type
    out << body
    open('log', 'w') { |f| f << "#{status} - GET: #{request.params['REQUEST_URI']}\n" }
    puts "#{status} - GET: #{request.params['REQUEST_URI']}" if DEBUG
  end
rescue => e
  puts e.message, e.backtrace.map { |line| "  " << line }
end

#serve_file(path) ⇒ Object 



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# File 'lib/margot.rb', line 12

def serve_file(path)
  req_path = File.expand_path(File.join(@root, Mongrel::HttpRequest.unescape(path)), @root)
  if File.file?(file = "#{req_path}.mab") || File.file?(file = "#{req_path}/index.mab")
    File.open(file).read 
  end
end