From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/libwebrtc/rtc_base/string_encode.h | 115 +++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 third_party/libwebrtc/rtc_base/string_encode.h

(limited to 'third_party/libwebrtc/rtc_base/string_encode.h')

diff --git a/third_party/libwebrtc/rtc_base/string_encode.h b/third_party/libwebrtc/rtc_base/string_encode.h
new file mode 100644
index 0000000000..82a9dfdb62
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/string_encode.h
@@ -0,0 +1,115 @@
+/*
+ *  Copyright 2004 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 RTC_BASE_STRING_ENCODE_H_
+#define RTC_BASE_STRING_ENCODE_H_
+
+#include <stddef.h>
+
+#include <string>
+#include <type_traits>
+#include <vector>
+
+#include "absl/strings/string_view.h"
+#include "absl/types/optional.h"
+#include "api/array_view.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/string_to_number.h"
+
+namespace rtc {
+
+//////////////////////////////////////////////////////////////////////
+// String Encoding Utilities
+//////////////////////////////////////////////////////////////////////
+
+std::string hex_encode(absl::string_view str);
+std::string hex_encode_with_delimiter(absl::string_view source, char delimiter);
+
+// hex_decode converts ascii hex to binary.
+size_t hex_decode(ArrayView<char> buffer, absl::string_view source);
+
+// hex_decode, assuming that there is a delimiter between every byte
+// pair.
+// `delimiter` == 0 means no delimiter
+// If the buffer is too short or the data is invalid, we return 0.
+size_t hex_decode_with_delimiter(ArrayView<char> buffer,
+                                 absl::string_view source,
+                                 char delimiter);
+
+// Splits the source string into multiple fields separated by delimiter,
+// with duplicates of delimiter creating empty fields. Empty input produces a
+// single, empty, field.
+std::vector<absl::string_view> split(absl::string_view source, char delimiter);
+
+// Splits the source string into multiple fields separated by delimiter,
+// with duplicates of delimiter ignored.  Trailing delimiter ignored.
+size_t tokenize(absl::string_view source,
+                char delimiter,
+                std::vector<std::string>* fields);
+
+// Extract the first token from source as separated by delimiter, with
+// duplicates of delimiter ignored. Return false if the delimiter could not be
+// found, otherwise return true.
+bool tokenize_first(absl::string_view source,
+                    char delimiter,
+                    std::string* token,
+                    std::string* rest);
+
+// Convert arbitrary values to/from a string.
+// TODO(jonasolsson): Remove these when absl::StrCat becomes available.
+std::string ToString(bool b);
+
+std::string ToString(absl::string_view s);
+// The const char* overload is needed for correct overload resolution because of
+// the const void* version of ToString() below.
+std::string ToString(const char* s);
+
+std::string ToString(short s);
+std::string ToString(unsigned short s);
+std::string ToString(int s);
+std::string ToString(unsigned int s);
+std::string ToString(long int s);
+std::string ToString(unsigned long int s);
+std::string ToString(long long int s);
+std::string ToString(unsigned long long int s);
+
+std::string ToString(double t);
+std::string ToString(long double t);
+
+std::string ToString(const void* p);
+
+template <typename T,
+          typename std::enable_if<std::is_arithmetic<T>::value &&
+                                      !std::is_same<T, bool>::value,
+                                  int>::type = 0>
+static bool FromString(absl::string_view s, T* t) {
+  RTC_DCHECK(t);
+  absl::optional<T> result = StringToNumber<T>(s);
+
+  if (result)
+    *t = *result;
+
+  return result.has_value();
+}
+
+bool FromString(absl::string_view s, bool* b);
+
+template <typename T>
+static inline T FromString(absl::string_view str) {
+  T val;
+  FromString(str, &val);
+  return val;
+}
+
+//////////////////////////////////////////////////////////////////////
+
+}  // namespace rtc
+
+#endif  // RTC_BASE_STRING_ENCODE_H__
-- 
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