forked from Telodendria/Telodendria
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*
|
|
* Copyright (C) 2022-2023 Jordan Bancino <@jordan:bancino.net>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation files
|
|
* (the "Software"), to deal in the Software without restriction,
|
|
* including without limitation the rights to use, copy, modify, merge,
|
|
* publish, distribute, sublicense, and/or sell copies of the Software,
|
|
* and to permit persons to whom the Software is furnished to do so,
|
|
* subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
#ifndef CYTOPLASM_ARGS_H
|
|
#define CYTOPLASM_ARGS_H
|
|
|
|
/***
|
|
* @Nm Args
|
|
* @Nd Getopt-style argument parser that operates on arrays.
|
|
* @Dd May 12 2023
|
|
* @Xr Array
|
|
*
|
|
* .Nm
|
|
* provides a simple argument parser in the style of
|
|
* .Xr getopt 3 .
|
|
* It exists because the runtime passes the program arguments as
|
|
* an Array, and it is often useful to parse the arguments to
|
|
* provide the standard command line interface.
|
|
*/
|
|
|
|
#include <Array.h>
|
|
|
|
/**
|
|
* All state is stored in this structure, instead of global
|
|
* variables. This makes
|
|
* .Nm
|
|
* thread-safe and easy to reset.
|
|
*/
|
|
typedef struct ArgParseState
|
|
{
|
|
int optInd;
|
|
int optErr;
|
|
int optOpt;
|
|
char *optArg;
|
|
|
|
int optPos;
|
|
} ArgParseState;
|
|
|
|
/**
|
|
* Initialize the variables in the given parser state structure
|
|
* to their default values. This should be called before
|
|
* .Fn ArgParse
|
|
* is called with the parser state. It should also be called if
|
|
* .Fn ArgParse
|
|
* will be used again on a different array, or the same array all
|
|
* over again.
|
|
*/
|
|
extern void ArgParseStateInit(ArgParseState *);
|
|
|
|
/**
|
|
* Parse command line arguments stored in the given array, using
|
|
* the given state and option string. This function behaves
|
|
* identically to the POSIX
|
|
* .Fn getopt
|
|
* function, and should be used in exactly the same way. Refer to
|
|
* your system's
|
|
* .Xr getopt 3
|
|
* page for details.
|
|
*/
|
|
extern int ArgParse(ArgParseState *, Array *, const char *);
|
|
|
|
#endif /* CYTOPLASM_ARGS_H */
|