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///////////////////////////////////////////////////////////////////////
// File: log.h
// Description: Include for custom log message for unittest for tesseract.
// based on
// https://stackoverflow.com/questions/16491675/how-to-send-custom-message-in-google-c-testing-framework
//
// 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.
///////////////////////////////////////////////////////////////////////
#ifndef TESSERACT_UNITTEST_LOG_H_
#define TESSERACT_UNITTEST_LOG_H_
// This is a minimal implementation of the TensorFlow logging API
// which is sufficient for the Tesseract unit tests.
// See tensorflow/core/platform/default/logging.h for the original code.
#include <iostream>
enum LogLevel { INFO, WARNING, ERROR, FATAL };
// Avoid conflict with logging.h from TensorFlow.
#undef LOG
static inline std::ostream &LOG(enum LogLevel level) {
switch (level) {
case INFO:
std::cout << "[INFO] ";
break;
case WARNING:
std::cout << "[WARN] ";
break;
case ERROR:
std::cout << "[ERROR] ";
break;
case FATAL:
std::cout << "[FATAL] ";
break;
}
return std::cout;
}
// Avoid conflict with logging.h from TensorFlow.
#undef QCHECK
// https://github.com/google/ion/blob/master/ion/base/logging.h
static inline std::ostream &QCHECK(bool condition) {
if (condition) {
static std::ostream null_stream(nullptr);
return null_stream;
}
return std::cout;
}
#endif // TESSERACT_UNITTEST_LOG_H_
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