565bbdd51c
Search&Replace MakeArrayView and ArrayView with std::span Search&Replace include "api/array_view.h" with include <span> Remove build dependencies on array_view target Rename tests that were named PrefixArrayView from "Prefixstd::span" to "PrefixSpan" Bug: webrtc:439801349 Change-Id: Iad951423733c8676c7356047f115eb3fcf2e885d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/454241 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#47107}
99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
/*
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* Copyright 2004 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_STRING_ENCODE_H_
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#define RTC_BASE_STRING_ENCODE_H_
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#include <stddef.h>
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#include <optional>
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#include <span>
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#include <string>
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#include <type_traits>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/string_to_number.h"
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#include "rtc_base/strings/string_format.h" // IWYU pragma: keep
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namespace webrtc {
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inline std::string BoolToString(bool b) {
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return b ? "true" : "false";
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}
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std::string hex_encode(absl::string_view str);
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std::string hex_encode_with_delimiter(absl::string_view source, char delimiter);
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// hex_decode converts ascii hex to binary.
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size_t hex_decode(std::span<char> buffer, absl::string_view source);
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// hex_decode, assuming that there is a delimiter between every byte
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// pair.
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// `delimiter` == 0 means no delimiter
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// If the buffer is too short or the data is invalid, we return 0.
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size_t hex_decode_with_delimiter(std::span<char> buffer,
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absl::string_view source,
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char delimiter);
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// Splits the source string into multiple fields separated by delimiter,
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// with duplicates of delimiter creating empty fields. Empty input produces a
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// single, empty, field.
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std::vector<absl::string_view> split(absl::string_view source, char delimiter);
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// Splits the source string into multiple fields separated by delimiter,
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// with duplicates of delimiter ignored. Trailing delimiter ignored.
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size_t tokenize(absl::string_view source,
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char delimiter,
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std::vector<std::string>* fields);
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// Extract the first token from source as separated by delimiter, with
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// duplicates of delimiter ignored. Return false if the delimiter could not be
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// found, otherwise return true.
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bool tokenize_first(absl::string_view source,
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char delimiter,
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std::string* token,
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std::string* rest);
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// Versions that behave differently from StrCat
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// Versions not supported by StrCat:
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template <typename T,
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typename std::enable_if<std::is_arithmetic<T>::value &&
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!std::is_same<T, bool>::value,
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int>::type = 0>
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static bool FromString(absl::string_view s, T* t) {
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RTC_DCHECK(t);
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std::optional<T> result = StringToNumber<T>(s);
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if (result)
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*t = *result;
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return result.has_value();
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}
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bool FromString(absl::string_view s, bool* b);
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template <typename T>
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static inline T FromString(absl::string_view str) {
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T val;
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FromString(str, &val);
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return val;
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}
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//////////////////////////////////////////////////////////////////////
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} // namespace webrtc
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#endif // RTC_BASE_STRING_ENCODE_H__
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