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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/rtc_base/string_encode.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/rtc_base/string_encode.h')
-rw-r--r-- | third_party/libwebrtc/rtc_base/string_encode.h | 115 |
1 files changed, 115 insertions, 0 deletions
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__ |