1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/* $Id$ */
/** @file
* innotek Portable Runtime - Command Line Parsing
*/
/*
* Copyright (C) 2007 innotek GmbH
*
* innotek GmbH confidential
* All rights reserved
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <iprt/getopt.h>
#include <iprt/err.h>
#include <iprt/string.h>
#include <iprt/assert.h>
RTDECL(int) RTGetOpt(int argc, char *argv[], PCRTOPTIONDEF paOptions, size_t cOptions, int *piThis, PRTOPTIONUNION pValueUnion)
{
pValueUnion->pDef = NULL;
if ( !piThis
|| *piThis >= argc
)
return 0;
int iThis = (*piThis)++;
const char *pszArgThis = argv[iThis];
if (*pszArgThis == '-')
{
for (size_t i = 0; i < cOptions; i++)
{
bool fShort = false;
if ( ( paOptions[i].pszLong
&& !strcmp(pszArgThis, paOptions[i].pszLong))
|| ( (fShort = (pszArgThis[1] == paOptions[i].iShort))
&& pszArgThis[2] == '\0'
)
)
{
Assert(!(paOptions[i].fFlags & ~RTGETOPT_REQ_MASK));
pValueUnion->pDef = &paOptions[i];
if ((paOptions[i].fFlags & RTGETOPT_REQ_MASK) != RTGETOPT_REQ_NOTHING)
{
if (iThis >= argc - 1)
return VERR_GETOPT_REQUIRED_ARGUMENT_MISSING;
int iNext = (*piThis)++;
switch (paOptions[i].fFlags & RTGETOPT_REQ_MASK)
{
case RTGETOPT_REQ_STRING:
pValueUnion->psz = argv[iNext];
break;
case RTGETOPT_REQ_INT32:
{
int32_t i32;
if (RTStrToInt32Full(argv[iNext], 10, &i32))
return VERR_GETOPT_INVALID_ARGUMENT_FORMAT;
pValueUnion->i32 = i32;
break;
}
case RTGETOPT_REQ_UINT32:
{
uint32_t u32;
if (RTStrToUInt32Full(argv[iNext], 10, &u32))
return VERR_GETOPT_INVALID_ARGUMENT_FORMAT;
pValueUnion->u32 = u32;
break;
}
default:
AssertMsgFailed(("i=%d f=%#x\n", i, paOptions[i].fFlags));
return VERR_INTERNAL_ERROR;
}
}
return paOptions[i].iShort;
}
}
}
/** @todo Sort options and arguments (i.e. stuff that doesn't start with '-'), stop when
* encountering the first argument. */
return VERR_GETOPT_UNKNOWN_OPTION;
}
|
