From b8ee33b8e38911012fc055f02da1878e45eb721a Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Tue, 23 Nov 2010 12:17:24 -0800
Subject: split out common read/write code

It will be useful when we support other backends.
---
 lib/metropolis/common.rb | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 lib/metropolis/common.rb

(limited to 'lib/metropolis/common.rb')

diff --git a/lib/metropolis/common.rb b/lib/metropolis/common.rb
new file mode 100644
index 0000000..b86102d
--- /dev/null
+++ b/lib/metropolis/common.rb
@@ -0,0 +1,31 @@
+# -*- encoding: binary -*-
+module Metropolis::Common
+  include Rack::Utils # unescape
+
+  def r(code)
+    body = "#{HTTP_STATUS_CODES[code]}\n"
+    [ code,
+      { 'Content-Length' => body.size.to_s, 'Content-Type' => 'text/plain' },
+      [ body ] ]
+  end
+
+  def call(env)
+    if %r{\A/(.*)\z} =~ env["PATH_INFO"]
+      key = unescape($1)
+      case env["REQUEST_METHOD"]
+      when "GET"
+        get(key)
+      when "HEAD"
+        head(key)
+      when "DELETE"
+        delete(key)
+      when "PUT"
+        put(key, env)
+      else
+        [ 405, {}, [] ]
+      end
+    else # OPTIONS
+      [ 405, {}, [] ]
+    end
+  end
+end
-- 
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