tesseract/training/tlog.h
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2014-01-09 18:04:20 +00:00

50 lines
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C

/**********************************************************************
* File: tlog.h
* Description: Variant of printf with logging level controllable by a
* commandline flag.
* Author: Ranjith Unnikrishnan
* Created: Wed Nov 20 2013
*
* (C) Copyright 2013, Google Inc.
** 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_TRAINING_TLOG_H_
#define TESSERACT_TRAINING_TLOG_H_
#include "commandlineflags.h"
#include "errcode.h"
#include "tprintf.h"
DECLARE_INT_PARAM_FLAG(tlog_level);
// Variant guarded by the numeric logging level parameter FLAGS_tlog_level
// (default 0). Code using ParseCommandLineFlags() can control its value using
// the --tlog_level commandline argument. Otherwise it must be specified in a
// config file like other params.
#define tlog(level, ...) { \
if (FLAGS_tlog_level >= level) { \
tprintf_internal(__VA_ARGS__); \
} \
}
#define TLOG_IS_ON(level) (FLAGS_tlog_level >= level)
#define TLOG_FATAL(msg...) \
{ \
tprintf(msg); \
ASSERT_FAILED.error("", ABORT, "in file %s, line %d", \
__FILE__, __LINE__); \
}
#endif // TESSERACT_TRAINING_TLOG_H_