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/*
* Copyright 2016 WebAssembly Community Group participants
*
* 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 WABT_OPTION_PARSER_H_
#define WABT_OPTION_PARSER_H_
#include "common.h"
namespace wabt {
enum class HasArgument {
No = 0,
Yes = 1,
};
struct Option;
struct OptionParser;
typedef void (*OptionCallback)(struct OptionParser*,
struct Option*,
const char* argument);
typedef void (*ArgumentCallback)(struct OptionParser*, const char* argument);
typedef void (*OptionErrorCallback)(struct OptionParser*, const char* message);
struct Option {
int id;
char short_name;
const char* long_name;
const char* metavar;
HasArgument has_argument;
const char* help;
};
struct OptionParser {
const char* description;
Option* options;
int num_options;
OptionCallback on_option;
ArgumentCallback on_argument;
OptionErrorCallback on_error;
void* user_data;
/* cached after call to parse_options */
char* argv0;
};
void parse_options(OptionParser* parser, int argc, char** argv);
void print_help(OptionParser* parser, const char* program_name);
} // namespace wabt
#endif /* WABT_OPTION_PARSER_H_ */
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