net/http/http_version.h

   1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_HTTP_HTTP_VERSION_H_
   6 #define NET_HTTP_HTTP_VERSION_H_
   7
   8 #include "base/basictypes.h"
   9
  10 namespace net {
  11
  12 // Wrapper for an HTTP (major,minor) version pair.
  13 class HttpVersion {
  14  public:
  15   // Default constructor (major=0, minor=0).
  16   HttpVersion() : value_(0) { }
  17
  18   // Build from unsigned major/minor pair.
  19   HttpVersion(uint16 major, uint16 minor) : value_(major << 16 | minor) { }
  20
  21   // Major version number.
  22   uint16 major_value() const {
  23     return value_ >> 16;
  24   }
  25
  26   // Minor version number.
  27   uint16 minor_value() const {
  28     return value_ & 0xffff;
  29   }
  30
  31   // Overloaded operators:
  32
  33   bool operator==(const HttpVersion& v) const {
  34     return value_ == v.value_;
  35   }
  36   bool operator!=(const HttpVersion& v) const {
  37     return value_ != v.value_;
  38   }
  39   bool operator>(const HttpVersion& v) const {
  40     return value_ > v.value_;
  41   }
  42   bool operator>=(const HttpVersion& v) const {
  43     return value_ >= v.value_;
  44   }
  45   bool operator<(const HttpVersion& v) const {
  46     return value_ < v.value_;
  47   }
  48   bool operator<=(const HttpVersion& v) const {
  49     return value_ <= v.value_;
  50   }
  51
  52  private:
  53   uint32 value_; // Packed as <major>:<minor>
  54 };
  55
  56 }  // namespace net
  57
  58 #endif  // NET_HTTP_HTTP_VERSION_H_