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authorKrzysztof KosiƄski <krzysio@google.com>2024-01-17 19:55:08 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2024-01-17 19:55:08 +0000
commit5fef89cdb032016850e30ab588bdb7263ee636c8 (patch)
treefb22bbbde0c615b678d2d293a510e985be516a0f /abseil-cpp/absl/log/internal/log_format.h
parenta873048cfe491bbe28f26ac9fa155afcb628ab1a (diff)
parent6f56677b3f8b18c6e63c5779bf3dceea75685c12 (diff)
downloadlibtextclassifier-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')
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diff --git a/abseil-cpp/absl/log/internal/log_format.h b/abseil-cpp/absl/log/internal/log_format.h
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+// 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_