esp-idf/components/console/argtable3/arg_lit.c

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/*
* SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/*******************************************************************************
* arg_lit: Implements the literature command-line option
*
* This file is part of the argtable3 library.
*
* Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
* <sheitmann@users.sourceforge.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of STEWART HEITMANN nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
******************************************************************************/
#include "argtable3.h"
#ifndef ARG_AMALGAMATION
#include "argtable3_private.h"
#endif
#include <stdlib.h>
static void arg_lit_resetfn(struct arg_lit* parent) {
ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
parent->count = 0;
}
static int arg_lit_scanfn(struct arg_lit* parent, const char* argval) {
int errorcode = 0;
if (parent->count < parent->hdr.maxcount)
parent->count++;
else
errorcode = ARG_ERR_MAXCOUNT;
ARG_TRACE(("%s:scanfn(%p,%s) returns %d\n", __FILE__, parent, argval, errorcode));
return errorcode;
}
static int arg_lit_checkfn(struct arg_lit* parent) {
int errorcode = (parent->count < parent->hdr.mincount) ? ARG_ERR_MINCOUNT : 0;
ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode));
return errorcode;
}
static void arg_lit_errorfn(struct arg_lit* parent, arg_dstr_t ds, int errorcode, const char* argval, const char* progname) {
const char* shortopts = parent->hdr.shortopts;
const char* longopts = parent->hdr.longopts;
const char* datatype = parent->hdr.datatype;
switch (errorcode) {
case ARG_ERR_MINCOUNT:
arg_dstr_catf(ds, "%s: missing option ", progname);
arg_print_option_ds(ds, shortopts, longopts, datatype, "\n");
arg_dstr_cat(ds, "\n");
break;
case ARG_ERR_MAXCOUNT:
arg_dstr_catf(ds, "%s: extraneous option ", progname);
arg_print_option_ds(ds, shortopts, longopts, datatype, "\n");
break;
}
ARG_TRACE(("%s:errorfn(%p, %p, %d, %s, %s)\n", __FILE__, parent, ds, errorcode, argval, progname));
}
struct arg_lit* arg_lit0(const char* shortopts, const char* longopts, const char* glossary) {
return arg_litn(shortopts, longopts, 0, 1, glossary);
}
struct arg_lit* arg_lit1(const char* shortopts, const char* longopts, const char* glossary) {
return arg_litn(shortopts, longopts, 1, 1, glossary);
}
struct arg_lit* arg_litn(const char* shortopts, const char* longopts, int mincount, int maxcount, const char* glossary) {
struct arg_lit* result;
/* foolproof things by ensuring maxcount is not less than mincount */
maxcount = (maxcount < mincount) ? mincount : maxcount;
result = (struct arg_lit*)xmalloc(sizeof(struct arg_lit));
/* init the arg_hdr struct */
result->hdr.flag = 0;
result->hdr.shortopts = shortopts;
result->hdr.longopts = longopts;
result->hdr.datatype = NULL;
result->hdr.glossary = glossary;
result->hdr.mincount = mincount;
result->hdr.maxcount = maxcount;
result->hdr.parent = result;
result->hdr.resetfn = (arg_resetfn*)arg_lit_resetfn;
result->hdr.scanfn = (arg_scanfn*)arg_lit_scanfn;
result->hdr.checkfn = (arg_checkfn*)arg_lit_checkfn;
result->hdr.errorfn = (arg_errorfn*)arg_lit_errorfn;
/* init local variables */
result->count = 0;
ARG_TRACE(("arg_litn() returns %p\n", result));
return result;
}