You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

106 lines
2.8 KiB

/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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
*
* http://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.
*/
#include "utils/base/logging_raw.h"
#include <stdio.h>
#include <string>
#define TC3_RETURN_IF_NOT_ERROR_OR_FATAL \
if (severity != ERROR && severity != FATAL) { \
return; \
}
// NOTE: this file contains two implementations: one for Android, one for all
// other cases. We always build exactly one implementation.
#if defined(__ANDROID__)
// Compiled as part of Android.
#include <android/log.h>
namespace libtextclassifier3 {
namespace logging {
namespace {
// Converts LogSeverity to level for __android_log_write.
int GetAndroidLogLevel(LogSeverity severity) {
switch (severity) {
case FATAL:
return ANDROID_LOG_FATAL;
case ERROR:
return ANDROID_LOG_ERROR;
case WARNING:
return ANDROID_LOG_WARN;
case INFO:
return ANDROID_LOG_INFO;
default:
return ANDROID_LOG_DEBUG;
}
}
} // namespace
void LowLevelLogging(LogSeverity severity, const std::string& tag,
const std::string& message) {
#if !defined(TC3_DEBUG_LOGGING)
TC3_RETURN_IF_NOT_ERROR_OR_FATAL
#endif
const int android_log_level = GetAndroidLogLevel(severity);
__android_log_write(android_log_level, tag.c_str(), message.c_str());
}
} // namespace logging
} // namespace libtextclassifier3
#else // if defined(__ANDROID__)
// Not on Android: implement LowLevelLogging to print to stderr (see below).
namespace libtextclassifier3 {
namespace logging {
namespace {
// Converts LogSeverity to human-readable text.
const char *LogSeverityToString(LogSeverity severity) {
switch (severity) {
case INFO:
return "INFO";
case WARNING:
return "WARNING";
case ERROR:
return "ERROR";
case FATAL:
return "FATAL";
default:
return "UNKNOWN";
}
}
} // namespace
void LowLevelLogging(LogSeverity severity, const std::string &tag,
const std::string &message) {
#if !defined(TC3_DEBUG_LOGGING)
TC3_RETURN_IF_NOT_ERROR_OR_FATAL
#endif
fprintf(stderr, "[%s] %s : %s\n", LogSeverityToString(severity), tag.c_str(),
message.c_str());
fflush(stderr);
}
} // namespace logging
} // namespace libtextclassifier3
#endif // if defined(__ANDROID__)