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84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
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/**********************************************************************
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* File: commandlineflags.h
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* Description: Header file for commandline flag parsing.
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* Author: Ranjith Unnikrishnan
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* Created: July 2013
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*
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* (C) Copyright 2013, Google Inc.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#ifndef TESSERACT_TRAINING_COMMANDLINEFLAGS_H_
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#define TESSERACT_TRAINING_COMMANDLINEFLAGS_H_
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#ifdef USE_STD_NAMESPACE
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#include <stdlib.h>
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#include "tprintf.h"
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#include "params.h"
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#define INT_PARAM_FLAG(name, val, comment) \
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INT_VAR(FLAGS_##name, val, comment)
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#define DECLARE_INT_PARAM_FLAG(name) \
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extern INT_VAR_H(FLAGS_##name, 0, "")
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#define DOUBLE_PARAM_FLAG(name, val, comment) \
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double_VAR(FLAGS_##name, val, comment)
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#define DECLARE_DOUBLE_PARAM_FLAG(name) \
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extern double_VAR_H(FLAGS_##name, "", "")
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#define BOOL_PARAM_FLAG(name, val, comment) \
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BOOL_VAR(FLAGS_##name, val, comment)
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#define DECLARE_BOOL_PARAM_FLAG(name) \
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extern BOOL_VAR_H(FLAGS_##name, 0, "")
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#define STRING_PARAM_FLAG(name, val, comment) \
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STRING_VAR(FLAGS_##name, val, comment)
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#define DECLARE_STRING_PARAM_FLAG(name) \
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extern STRING_VAR_H(FLAGS_##name, "", "")
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#else
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#include "base/commandlineflags.h"
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#define INT_PARAM_FLAG(name, val, comment) \
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DEFINE_int32(name, val, comment)
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#define DECLARE_INT_PARAM_FLAG(name) \
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DECLARE_int32(name)
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#define DOUBLE_PARAM_FLAG(name, val, comment) \
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DEFINE_double(name, val, comment)
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#define DECLARE_DOUBLE_PARAM_FLAG(name) \
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DECLARE_double(name)
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#define BOOL_PARAM_FLAG(name, val, comment) \
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DEFINE_bool(name, val, comment)
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#define DECLARE_BOOL_PARAM_FLAG(name) \
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DECLARE_bool(name)
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#define STRING_PARAM_FLAG(name, val, comment) \
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DEFINE_string(name, val, comment)
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#define DECLARE_STRING_PARAM_FLAG(name) \
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DECLARE_string(name)
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#endif
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namespace tesseract {
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// Parse commandline flags and values. Prints the usage string and exits on
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// input of --help or --helpshort.
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//
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// If remove_flags is true, the argv pointer is advanced so that (*argv)[1]
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// points to the first non-flag argument, (*argv)[0] points to the same string
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// as before, and argc is decremented to reflect the new shorter length of argv.
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// eg. If the input *argv is
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// { "program", "--foo=4", "--bar=true", "file1", "file2" } with *argc = 5, the
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// output *argv is { "program", "file1", "file2" } with *argc = 3
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void ParseCommandLineFlags(const char* usage, int* argc,
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char*** argv, const bool remove_flags);
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}
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#endif // TESSERACT_TRAINING_COMMANDLINEFLAGS_H_
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