Chromium Code Reviews| Index: remoting/base/capabilities.cc |
| diff --git a/remoting/base/capabilities.cc b/remoting/base/capabilities.cc |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..1984815ecce36042297ad6effac66cf6ac8ab712 |
| --- /dev/null |
| +++ b/remoting/base/capabilities.cc |
| @@ -0,0 +1,44 @@ |
| +// Copyright 2013 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. |
| + |
| +#include "remoting/base/capabilities.h" |
| + |
| +#include <algorithm> |
| +#include <vector> |
| + |
| +#include "base/string_util.h" |
| + |
| +namespace remoting { |
| + |
| +bool HasCapability(const std::string& capabilities, const std::string& key) { |
| + std::vector<std::string> caps; |
| + Tokenize(capabilities, " ", &caps); |
| + return std::find(caps.begin(), caps.end(), key) != caps.end(); |
| +} |
| + |
| +std::string IntersectCapabilities(const std::string& client_capabilities, |
| + const std::string& host_capabilities) { |
| + std::vector<std::string> client_caps; |
| + Tokenize(client_capabilities, " ", &client_caps); |
| + std::sort(client_caps.begin(), client_caps.end()); |
| + |
| + std::vector<std::string> host_caps; |
| + Tokenize(host_capabilities, " ", &host_caps); |
| + std::sort(host_caps.begin(), host_caps.end()); |
| + |
| + std::vector<std::string> result(std::min(client_caps.size(), |
| + host_caps.size())); |
| + std::vector<std::string>::iterator end = |
| + std::set_intersection(client_caps.begin(), |
| + client_caps.end(), |
| + host_caps.begin(), |
| + host_caps.end(), |
| + result.begin()); |
| + if (end != result.end()) |
| + result.erase(end); |
|
Sergey Ulanov
2013/04/18 00:34:53
shouldn't this be result.erase(end, result.end)?
e
alexeypa (please no reviews)
2013/04/18 18:56:36
Yes, it should.
|
| + |
| + return JoinString(result, " "); |
| +} |
| + |
| +} // namespace remoting |