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// Copyright 2013 The Chromium Authors
// 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 <string_view>
#include <vector>
#include "base/containers/contains.h"
#include "base/stl_util.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
namespace remoting {
bool HasCapability(const std::string& capabilities, const std::string& key) {
std::vector<std::string_view> caps = base::SplitStringPiece(
capabilities, " ", base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
return base::Contains(caps, std::string_view(key));
}
std::string IntersectCapabilities(const std::string& client_capabilities,
const std::string& host_capabilities) {
std::vector<std::string_view> client_caps =
base::SplitStringPiece(client_capabilities, " ", base::KEEP_WHITESPACE,
base::SPLIT_WANT_NONEMPTY);
std::sort(client_caps.begin(), client_caps.end());
std::vector<std::string_view> host_caps = base::SplitStringPiece(
host_capabilities, " ", base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
std::sort(host_caps.begin(), host_caps.end());
std::vector<std::string_view> result =
base::STLSetIntersection<std::vector<std::string_view>>(client_caps,
host_caps);
return base::JoinString(result, " ");
}
} // namespace remoting
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