misc. http response status-line changes:

1. check for http 0.9 responses (no status line)
2. allow up to 4 bytes of junk to precede the http version.
3. distinguish between the parsed vs normalized http version (a TODO needed this).

Review URL: http://codereview.chromium.org/1934

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@2153 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 59 insertions, 0 deletions

diff --git a/net/http/http_version.h b/net/http/http_version.h
new file mode 100644
index 0000000..9f4cfba
--- /dev/null
+++ b/net/http/http_version.h
@@ -0,0 +1,59 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_HTTP_VERSION_H_
+#define NET_HTTP_VERSION_H_
+
+#include "base/basictypes.h"
+
+namespace net {
+
+// Wrapper for an HTTP (major,minor) version pair.
+class HttpVersion {
+ private:
+  uint32 value; // Packed as <major>:<minor>
+
+ public:
+  // Default constructor (major=0, minor=0).
+  HttpVersion() : value(0) { }
+
+  // Build from unsigned major/minor pair.
+  HttpVersion(uint16 major, uint16 minor) : value(major << 16 | minor) { }
+
+  // Major version number.
+  uint16 major() const {
+    return value >> 16;
+  }
+
+  // Minor version number.
+  uint16 minor() const {
+    return value & 0xffff;
+  }
+
+  // Overloaded operators:
+  
+  bool operator==(const HttpVersion& v) const {
+    return value == v.value;
+  }
+  bool operator!=(const HttpVersion& v) const {
+    return value != v.value;
+  }
+  bool operator>(const HttpVersion& v) const {
+    return value > v.value;
+  }
+  bool operator>=(const HttpVersion& v) const {
+    return value >= v.value;
+  }
+  bool operator<(const HttpVersion& v) const {
+    return value < v.value;
+  }
+  bool operator<=(const HttpVersion& v) const {
+    return value <= v.value;
+  }
+};
+
+}  // namespace net
+
+#endif  // NET_HTTP_VERSION_H_
+