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author | Krzysztof KosiĆski <krzysio@google.com> | 2024-01-17 19:55:08 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2024-01-17 19:55:08 +0000 |
commit | 5fef89cdb032016850e30ab588bdb7263ee636c8 (patch) | |
tree | fb22bbbde0c615b678d2d293a510e985be516a0f /abseil-cpp/absl/log/internal/log_format.h | |
parent | a873048cfe491bbe28f26ac9fa155afcb628ab1a (diff) | |
parent | 6f56677b3f8b18c6e63c5779bf3dceea75685c12 (diff) | |
download | libtextclassifier-5fef89cdb032016850e30ab588bdb7263ee636c8.tar.gz |
Upgrade the guerrilla import of ABSL. am: 6f56677b3f
Original change: https://android-review.googlesource.com/c/platform/external/libtextclassifier/+/2908817
Change-Id: I7f0bc80c68d9c92c98edd41ce84d574d83c6db84
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
Diffstat (limited to 'abseil-cpp/absl/log/internal/log_format.h')
-rw-r--r-- | abseil-cpp/absl/log/internal/log_format.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/abseil-cpp/absl/log/internal/log_format.h b/abseil-cpp/absl/log/internal/log_format.h new file mode 100644 index 0000000..95a45ed --- /dev/null +++ b/abseil-cpp/absl/log/internal/log_format.h @@ -0,0 +1,78 @@ +// Copyright 2022 The Abseil Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// ----------------------------------------------------------------------------- +// File: log/internal/log_format.h +// ----------------------------------------------------------------------------- +// +// This file declares routines implementing formatting of log message and log +// prefix. + +#ifndef ABSL_LOG_INTERNAL_LOG_FORMAT_H_ +#define ABSL_LOG_INTERNAL_LOG_FORMAT_H_ + +#include <stddef.h> + +#include <string> + +#include "absl/base/config.h" +#include "absl/base/log_severity.h" +#include "absl/log/internal/config.h" +#include "absl/strings/string_view.h" +#include "absl/time/civil_time.h" +#include "absl/time/time.h" +#include "absl/types/span.h" + +namespace absl { +ABSL_NAMESPACE_BEGIN +namespace log_internal { + +enum class PrefixFormat { + kNotRaw, + kRaw, +}; + +// Formats log message based on provided data. +std::string FormatLogMessage(absl::LogSeverity severity, + absl::CivilSecond civil_second, + absl::Duration subsecond, log_internal::Tid tid, + absl::string_view basename, int line, + PrefixFormat format, absl::string_view message); + +// Formats various entry metadata into a text string meant for use as a +// prefix on a log message string. Writes into `buf`, advances `buf` to point +// at the remainder of the buffer (i.e. past any written bytes), and returns the +// number of bytes written. +// +// In addition to calling `buf->remove_prefix()` (or the equivalent), this +// function may also do `buf->remove_suffix(buf->size())` in cases where no more +// bytes (i.e. no message data) should be written into the buffer. For example, +// if the prefix ought to be: +// I0926 09:00:00.000000 1234567 foo.cc:123] +// `buf` is too small, the function might fill the whole buffer: +// I0926 09:00:00.000000 1234 +// (note the apparrently incorrect thread ID), or it might write less: +// I0926 09:00:00.000000 +// In this case, it might also empty `buf` prior to returning to prevent +// message data from being written into the space where a reader would expect to +// see a thread ID. +size_t FormatLogPrefix(absl::LogSeverity severity, absl::Time timestamp, + log_internal::Tid tid, absl::string_view basename, + int line, PrefixFormat format, absl::Span<char>& buf); + +} // namespace log_internal +ABSL_NAMESPACE_END +} // namespace absl + +#endif // ABSL_LOG_INTERNAL_LOG_FORMAT_H_ |