From 81026ea66279695206ea53287427c05281662572 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Sun, 9 Aug 2009 03:02:54 -0700
Subject: Switch to Ragel/C-based chunk/trailer parser

This should be more robust, faster and easier to deal
with than the ugly proof-of-concept regexp-based ones.
---
 lib/unicorn/trailer_parser.rb | 52 -------------------------------------------
 1 file changed, 52 deletions(-)
 delete mode 100644 lib/unicorn/trailer_parser.rb

(limited to 'lib/unicorn/trailer_parser.rb')

diff --git a/lib/unicorn/trailer_parser.rb b/lib/unicorn/trailer_parser.rb
deleted file mode 100644
index 22f2e1d..0000000
--- a/lib/unicorn/trailer_parser.rb
+++ /dev/null
@@ -1,52 +0,0 @@
-# Copyright (c) 2009 Eric Wong
-# You can redistribute it and/or modify it under the same terms as Ruby.
-require 'unicorn'
-require 'unicorn_http'
-
-# Eventually I should integrate this into HttpParser...
-module Unicorn
-  class TrailerParser
-
-    TR_FR = 'a-z-'.freeze
-    TR_TO = 'A-Z_'.freeze
-
-    # initializes HTTP trailer parser with acceptable +trailer+
-    def initialize(http_trailer)
-      @trailers = http_trailer.split(/\s*,\s*/).inject({}) { |hash, key|
-        hash[key.tr(TR_FR, TR_TO)] = true
-        hash
-      }
-    end
-
-    # Executes our TrailerParser on +data+ and modifies +env+  This will
-    # shrink +data+ as it is being consumed.  Returns true if it has
-    # parsed all trailers, false if not.  It raises HttpParserError on
-    # parse failure or unknown headers.  It has slightly smaller limits
-    # than the C-based HTTP parser but should not be an issue in practice
-    # since Content-MD5 is probably the only legitimate use for it.
-    def execute!(env, data)
-      data.size > 0xffff and
-        raise HttpParserError, "trailer buffer too large: #{data.size} bytes"
-
-      begin
-        data.sub!(/\A([^\r]+)\r\n/, Z) or return false # need more data
-
-        key, val = $1.split(/:\s*/, 2)
-
-        key.size > 256 and
-          raise HttpParserError, "trailer key #{key.inspect} is too long"
-        val.size > 8192 and
-          raise HttpParserError, "trailer value #{val.inspect} is too long"
-
-        key.tr!(TR_FR, TR_TO)
-
-        @trailers.delete(key) or
-          raise HttpParserError, "unknown trailer: #{key.inspect}"
-        env["HTTP_#{key}"] = val
-
-        @trailers.empty? and return true
-      end while true
-    end
-
-  end
-end
-- 
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