56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_STRINGS_STR_JOIN_H_
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#define RTC_BASE_STRINGS_STR_JOIN_H_
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#include <string>
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#include "absl/strings/string_view.h"
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#include "rtc_base/strings/string_builder.h"
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namespace webrtc {
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template <typename Range>
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std::string StrJoin(const Range& seq, absl::string_view delimiter) {
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StringBuilder sb;
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int idx = 0;
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for (const typename Range::value_type& elem : seq) {
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if (idx > 0) {
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sb << delimiter;
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}
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sb << elem;
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++idx;
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}
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return sb.Release();
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}
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template <typename Range, typename Functor>
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std::string StrJoin(const Range& seq,
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absl::string_view delimiter,
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const Functor& fn) {
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StringBuilder sb;
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int idx = 0;
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for (const typename Range::value_type& elem : seq) {
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if (idx > 0) {
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sb << delimiter;
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}
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fn(sb, elem);
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++idx;
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}
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return sb.Release();
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}
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} // namespace webrtc
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#endif // RTC_BASE_STRINGS_STR_JOIN_H_
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