1 |
19 |
jeremybenn |
/*********************************************************************
|
2 |
|
|
This file is part of the argtable2 library.
|
3 |
|
|
Copyright (C) 1998-2001,2003-2008 Stewart Heitmann
|
4 |
|
|
sheitmann@users.sourceforge.net
|
5 |
|
|
|
6 |
|
|
The argtable2 library is free software; you can redistribute it and/or
|
7 |
|
|
modify it under the terms of the GNU Library General Public License as
|
8 |
|
|
published by the Free Software Foundation; either version 2 of the
|
9 |
|
|
License, or (at your option) any later version.
|
10 |
|
|
|
11 |
|
|
This software is distributed in the hope that it will be useful,
|
12 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 |
|
|
Library General Public License for more details.
|
15 |
|
|
|
16 |
|
|
You should have received a copy of the GNU Library General Public
|
17 |
|
|
License along with this library; if not, write to the Free Software
|
18 |
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
19 |
|
|
USA.
|
20 |
|
|
**********************************************************************/
|
21 |
|
|
|
22 |
|
|
/* config.h must be included before anything else */
|
23 |
|
|
#ifdef HAVE_CONFIG_H
|
24 |
|
|
#include "config.h"
|
25 |
|
|
#endif
|
26 |
|
|
|
27 |
|
|
#ifdef HAVE_STDLIB_H
|
28 |
|
|
#include <stdlib.h>
|
29 |
|
|
#endif
|
30 |
|
|
|
31 |
|
|
#include "argtable2.h"
|
32 |
|
|
|
33 |
|
|
/* local error codes */
|
34 |
|
|
enum {EMINCOUNT=1,EMAXCOUNT};
|
35 |
|
|
|
36 |
|
|
static void resetfn(struct arg_lit *parent)
|
37 |
|
|
{
|
38 |
|
|
/*printf("%s:resetfn(%p)\n",__FILE__,parent);*/
|
39 |
|
|
parent->count = 0;
|
40 |
|
|
}
|
41 |
|
|
|
42 |
|
|
static int scanfn(struct arg_lit *parent, const char *argval)
|
43 |
|
|
{
|
44 |
|
|
int errorcode = 0;
|
45 |
|
|
if (parent->count < parent->hdr.maxcount )
|
46 |
|
|
parent->count++;
|
47 |
|
|
else
|
48 |
|
|
errorcode = EMAXCOUNT;
|
49 |
|
|
/*printf("%s:scanfn(%p,%s) returns %d\n",__FILE__,parent,argval,errorcode);*/
|
50 |
|
|
return errorcode;
|
51 |
|
|
}
|
52 |
|
|
|
53 |
|
|
static int checkfn(struct arg_lit *parent)
|
54 |
|
|
{
|
55 |
|
|
int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
|
56 |
|
|
/*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
|
57 |
|
|
return errorcode;
|
58 |
|
|
}
|
59 |
|
|
|
60 |
|
|
static void errorfn(struct arg_lit *parent, FILE *fp, int errorcode, const char *argval, const char *progname)
|
61 |
|
|
{
|
62 |
|
|
const char *shortopts = parent->hdr.shortopts;
|
63 |
|
|
const char *longopts = parent->hdr.longopts;
|
64 |
|
|
const char *datatype = parent->hdr.datatype;
|
65 |
|
|
|
66 |
|
|
switch(errorcode)
|
67 |
|
|
{
|
68 |
|
|
case EMINCOUNT:
|
69 |
|
|
fprintf(fp,"%s: missing option ",progname);
|
70 |
|
|
arg_print_option(fp,shortopts,longopts,datatype,"\n");
|
71 |
|
|
fprintf(fp,"\n");
|
72 |
|
|
break;
|
73 |
|
|
|
74 |
|
|
case EMAXCOUNT:
|
75 |
|
|
fprintf(fp,"%s: extraneous option ",progname);
|
76 |
|
|
arg_print_option(fp,shortopts,longopts,datatype,"\n");
|
77 |
|
|
break;
|
78 |
|
|
}
|
79 |
|
|
}
|
80 |
|
|
|
81 |
|
|
struct arg_lit* arg_lit0(const char* shortopts,
|
82 |
|
|
const char* longopts,
|
83 |
|
|
const char* glossary)
|
84 |
|
|
{return arg_litn(shortopts,longopts,0,1,glossary);}
|
85 |
|
|
|
86 |
|
|
struct arg_lit* arg_lit1(const char* shortopts,
|
87 |
|
|
const char* longopts,
|
88 |
|
|
const char* glossary)
|
89 |
|
|
{return arg_litn(shortopts,longopts,1,1,glossary);}
|
90 |
|
|
|
91 |
|
|
|
92 |
|
|
struct arg_lit* arg_litn(const char* shortopts,
|
93 |
|
|
const char* longopts,
|
94 |
|
|
int mincount,
|
95 |
|
|
int maxcount,
|
96 |
|
|
const char *glossary)
|
97 |
|
|
{
|
98 |
|
|
struct arg_lit *result;
|
99 |
|
|
|
100 |
|
|
/* foolproof things by ensuring maxcount is not less than mincount */
|
101 |
|
|
maxcount = (maxcount<mincount) ? mincount : maxcount;
|
102 |
|
|
|
103 |
|
|
result = (struct arg_lit*)malloc(sizeof(struct arg_lit));
|
104 |
|
|
if (result)
|
105 |
|
|
{
|
106 |
|
|
/* init the arg_hdr struct */
|
107 |
|
|
result->hdr.flag = 0;
|
108 |
|
|
result->hdr.shortopts = shortopts;
|
109 |
|
|
result->hdr.longopts = longopts;
|
110 |
|
|
result->hdr.datatype = NULL;
|
111 |
|
|
result->hdr.glossary = glossary;
|
112 |
|
|
result->hdr.mincount = mincount;
|
113 |
|
|
result->hdr.maxcount = maxcount;
|
114 |
|
|
result->hdr.parent = result;
|
115 |
|
|
result->hdr.resetfn = (arg_resetfn*)resetfn;
|
116 |
|
|
result->hdr.scanfn = (arg_scanfn*)scanfn;
|
117 |
|
|
result->hdr.checkfn = (arg_checkfn*)checkfn;
|
118 |
|
|
result->hdr.errorfn = (arg_errorfn*)errorfn;
|
119 |
|
|
|
120 |
|
|
/* init local variables */
|
121 |
|
|
result->count = 0;
|
122 |
|
|
}
|
123 |
|
|
/*printf("arg_litn() returns %p\n",result);*/
|
124 |
|
|
return result;
|
125 |
|
|
}
|