From ee8530e0ee386492ca519004cfaa34de650b17b3 Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Mon, 7 Dec 2009 15:21:12 +0100
Subject: [PATCH] offload method look up to http-parser

---
 deps/http_parser/http_parser.h | 53 ++++++++++++++++++++++++----------
 deps/http_parser/test.c        |  5 ++--
 src/node_http.cc               | 29 ++-----------------
 3 files changed, 43 insertions(+), 44 deletions(-)

diff --git a/deps/http_parser/http_parser.h b/deps/http_parser/http_parser.h
index bd3123a9186..9d14bbf5bf8 100644
--- a/deps/http_parser/http_parser.h
+++ b/deps/http_parser/http_parser.h
@@ -55,22 +55,23 @@ typedef int (*http_cb) (http_parser*);
 
 /* Request Methods */
 enum http_method
-  { HTTP_DELETE    = 0x0002
-  , HTTP_GET       = 0x0004
-  , HTTP_HEAD      = 0x0008
-  , HTTP_POST      = 0x0010
-  , HTTP_PUT       = 0x0020
-  /* webdav methods */
-  , HTTP_COPY      = 0x0040
-  , HTTP_LOCK      = 0x0080
-  , HTTP_MKCOL     = 0x0100
-  , HTTP_MOVE      = 0x0200
-  , HTTP_OPTIONS   = 0x0400
-  , HTTP_PROPFIND  = 0x0800
-  , HTTP_PROPPATCH = 0x1000
-  , HTTP_TRACE     = 0x2000
+  { HTTP_DELETE    = 0x0001
+  , HTTP_GET       = 0x0002
+  , HTTP_HEAD      = 0x0004
+  , HTTP_POST      = 0x0008
+  , HTTP_PUT       = 0x0010
+  /* pathological */
+  , HTTP_CONNECT   = 0x0020
+  , HTTP_OPTIONS   = 0x0040
+  , HTTP_TRACE     = 0x0080
+  /* webdav */
+  , HTTP_COPY      = 0x0100
+  , HTTP_LOCK      = 0x0200
+  , HTTP_MKCOL     = 0x0400
+  , HTTP_MOVE      = 0x0800
+  , HTTP_PROPFIND  = 0x1000
+  , HTTP_PROPPATCH = 0x2000
   , HTTP_UNLOCK    = 0x4000
-  , HTTP_CONNECT   = 0x8000
   };
 
 struct http_parser {
@@ -134,6 +135,28 @@ size_t http_parse_responses(http_parser *parser, const char *data, size_t len);
  */
 int http_should_keep_alive(http_parser *parser);
 
+static inline const char * http_method_str (enum http_method method)
+{
+  switch (method) {
+    case HTTP_DELETE:     return "DELETE";
+    case HTTP_GET:        return "GET";
+    case HTTP_HEAD:       return "HEAD";
+    case HTTP_POST:       return "POST";
+    case HTTP_PUT:        return "PUT";
+    case HTTP_CONNECT:    return "CONNECT";
+    case HTTP_OPTIONS:    return "OPTIONS";
+    case HTTP_TRACE:      return "TRACE";
+    case HTTP_COPY:       return "COPY";
+    case HTTP_LOCK:       return "LOCK";
+    case HTTP_MKCOL:      return "MKCOL";
+    case HTTP_MOVE:       return "MOVE";
+    case HTTP_PROPFIND:   return "PROPFIND";
+    case HTTP_PROPPATCH:  return "PROPPATCH";
+    case HTTP_UNLOCK:     return "UNLOCK";
+    default:              return (const char*)0;
+  }
+}
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/deps/http_parser/test.c b/deps/http_parser/test.c
index b42ffd559be..f8cf268dc5d 100644
--- a/deps/http_parser/test.c
+++ b/deps/http_parser/test.c
@@ -1049,10 +1049,12 @@ main (void)
 
   printf("sizeof(http_parser) = %d\n", sizeof(http_parser));
 
+  assert(strcmp(http_method_str(HTTP_GET), "GET") == 0);
+  assert(strcmp(http_method_str(HTTP_CONNECT), "CONNECT") == 0);
+
   for (request_count = 0; requests[request_count].name; request_count++);
   for (response_count = 0; responses[response_count].name; response_count++);
 
-#if 0
   //// RESPONSES
 
   for (i = 0; i < response_count; i++) {
@@ -1076,7 +1078,6 @@ main (void)
            );
 
   puts("responses okay");
-#endif
 
 
   /// REQUESTS
diff --git a/src/node_http.cc b/src/node_http.cc
index 5b4c332de66..40708192181 100644
--- a/src/node_http.cc
+++ b/src/node_http.cc
@@ -200,32 +200,6 @@ HTTPConnection::on_header_value (http_parser *parser, const char *buf, size_t le
   return 0;
 }
 
-static inline Local<String>
-GetMethod (int method)
-{
-  const char *s;
-  switch (method) {
-    case HTTP_DELETE:     s = "DELETE"; break;
-    case HTTP_GET:        s = "GET"; break;
-    case HTTP_HEAD:       s = "HEAD"; break;
-    case HTTP_POST:       s = "POST"; break;
-    case HTTP_PUT:        s = "PUT"; break;
-    case HTTP_COPY:       s = "COPY"; break;
-    case HTTP_LOCK:       s = "LOCK"; break;
-    case HTTP_MKCOL:      s = "MKCOL"; break;
-    case HTTP_MOVE:       s = "MOVE"; break;
-    case HTTP_OPTIONS:    s = "OPTIONS"; break;
-    case HTTP_PROPFIND:   s = "PROPFIND"; break;
-    case HTTP_PROPPATCH:  s = "PROPPATCH"; break;
-    case HTTP_TRACE:      s = "TRACE"; break;
-    case HTTP_UNLOCK:     s = "UNLOCK"; break;
-    case HTTP_CONNECT:    s = "CONNECT"; break;
-  }
-  HandleScope scope;
-  Local<String> method = String::NewSymbol(s);
-  return scope.Close(method);
-}
-
 int
 HTTPConnection::on_headers_complete (http_parser *parser)
 {
@@ -237,7 +211,8 @@ HTTPConnection::on_headers_complete (http_parser *parser)
 
   // METHOD
   if (connection->type_ == HTTP_REQUEST) {
-    message_info->Set(METHOD_SYMBOL, GetMethod(connection->parser_.method));
+    message_info->Set(METHOD_SYMBOL, String::NewSymbol(
+          http_method_str(connection->parser_.method)));
   }
 
   // STATUS