tesseract/training/commandlineflags.h

84 lines
3.1 KiB
C++

/**********************************************************************
* File: commandlineflags.h
* Description: Header file for commandline flag parsing.
* Author: Ranjith Unnikrishnan
* Created: July 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_COMMANDLINEFLAGS_H_
#define TESSERACT_TRAINING_COMMANDLINEFLAGS_H_
#ifdef USE_STD_NAMESPACE
#include <stdlib.h>
#include "tprintf.h"
#include "params.h"
#define INT_PARAM_FLAG(name, val, comment) \
INT_VAR(FLAGS_##name, val, comment)
#define DECLARE_INT_PARAM_FLAG(name) \
extern INT_VAR_H(FLAGS_##name, 0, "")
#define DOUBLE_PARAM_FLAG(name, val, comment) \
double_VAR(FLAGS_##name, val, comment)
#define DECLARE_DOUBLE_PARAM_FLAG(name) \
extern double_VAR_H(FLAGS_##name, "", "")
#define BOOL_PARAM_FLAG(name, val, comment) \
BOOL_VAR(FLAGS_##name, val, comment)
#define DECLARE_BOOL_PARAM_FLAG(name) \
extern BOOL_VAR_H(FLAGS_##name, 0, "")
#define STRING_PARAM_FLAG(name, val, comment) \
STRING_VAR(FLAGS_##name, val, comment)
#define DECLARE_STRING_PARAM_FLAG(name) \
extern STRING_VAR_H(FLAGS_##name, "", "")
#else
#include "base/commandlineflags.h"
#define INT_PARAM_FLAG(name, val, comment) \
DEFINE_int32(name, val, comment)
#define DECLARE_INT_PARAM_FLAG(name) \
DECLARE_int32(name)
#define DOUBLE_PARAM_FLAG(name, val, comment) \
DEFINE_double(name, val, comment)
#define DECLARE_DOUBLE_PARAM_FLAG(name) \
DECLARE_double(name)
#define BOOL_PARAM_FLAG(name, val, comment) \
DEFINE_bool(name, val, comment)
#define DECLARE_BOOL_PARAM_FLAG(name) \
DECLARE_bool(name)
#define STRING_PARAM_FLAG(name, val, comment) \
DEFINE_string(name, val, comment)
#define DECLARE_STRING_PARAM_FLAG(name) \
DECLARE_string(name)
#endif
namespace tesseract {
// Parse commandline flags and values. Prints the usage string and exits on
// input of --help or --helpshort.
//
// If remove_flags is true, the argv pointer is advanced so that (*argv)[1]
// points to the first non-flag argument, (*argv)[0] points to the same string
// as before, and argc is decremented to reflect the new shorter length of argv.
// eg. If the input *argv is
// { "program", "--foo=4", "--bar=true", "file1", "file2" } with *argc = 5, the
// output *argv is { "program", "file1", "file2" } with *argc = 3
void ParseCommandLineFlags(const char* usage, int* argc,
char*** argv, const bool remove_flags);
}
#endif // TESSERACT_TRAINING_COMMANDLINEFLAGS_H_