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-rw-r--r--third_party/libwebrtc/net/dcsctp/common/str_join.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/common/str_join.h b/third_party/libwebrtc/net/dcsctp/common/str_join.h
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+++ b/third_party/libwebrtc/net/dcsctp/common/str_join.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#ifndef NET_DCSCTP_COMMON_STR_JOIN_H_
+#define NET_DCSCTP_COMMON_STR_JOIN_H_
+
+#include <string>
+
+#include "absl/strings/string_view.h"
+#include "rtc_base/strings/string_builder.h"
+
+namespace dcsctp {
+
+template <typename Range>
+std::string StrJoin(const Range& seq, absl::string_view delimiter) {
+ rtc::StringBuilder sb;
+ int idx = 0;
+
+ for (const typename Range::value_type& elem : seq) {
+ if (idx > 0) {
+ sb << delimiter;
+ }
+ sb << elem;
+
+ ++idx;
+ }
+ return sb.Release();
+}
+
+template <typename Range, typename Functor>
+std::string StrJoin(const Range& seq,
+ absl::string_view delimiter,
+ const Functor& fn) {
+ rtc::StringBuilder sb;
+ int idx = 0;
+
+ for (const typename Range::value_type& elem : seq) {
+ if (idx > 0) {
+ sb << delimiter;
+ }
+ fn(sb, elem);
+
+ ++idx;
+ }
+ return sb.Release();
+}
+
+} // namespace dcsctp
+
+#endif // NET_DCSCTP_COMMON_STR_JOIN_H_