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
99
100
101
102
103
104
105
106
107
108
109
110
|
//------------------------------------------------------------------------------
//$Author: saulius $
//$Date: 2015-06-12 06:06:39 -0400 (Fri, 12 Jun 2015) $
//$Revision: 63 $
//$URL: svn://saulius-grazulis.lt/libraries/trunk/java/SOptions/SOptions.java $
//------------------------------------------------------------------------------
import java.io.*;
class SOptions {
public static String[] get_options( String argv[], Option[] options )
throws SOptionsException
{
String files[] = new String[argv.length];
int f = 0;
for( int i = 0; i < argv.length; i++ ) {
if( argv[i].equals("-") ) {
files[f++] = argv[i];
continue;
}
if( argv[i].equals("--") ) {
i++;
while( i < argv.length ) {
files[f++] = argv[i++];
}
break;
}
Option option = find_option( options, argv[i] );
if( option != null ) {
if( option.value == null ) {
option.value = new OptionValue();
}
option.value.present = true;
option.value.count++;
switch( option.option_type ) {
case OT_BOOLEAN_FALSE:
option.value.bool = false;
break;
case OT_BOOLEAN_TRUE:
option.value.bool = true;
break;
case OT_STRING:
option.value.s = argv[++i];
break;
case OT_INT:
option.value.i = Integer.parseInt( argv[++i] );
break;
case OT_LONG:
option.value.i = Long.parseLong( argv[++i] );
break;
case OT_FLOAT:
option.value.f = Float.parseFloat( argv[++i] );
break;
case OT_DOUBLE:
option.value.f = Double.parseDouble( argv[++i] );
break;
case OT_FUNCTION:
i = option.proc( argv, i );
break;
default:
break;
}
} else {
files[f++] = argv[i];
}
}
if( f > 0 ) {
String[] return_files = new String[f];
for( int i = 0; i < f; i++ ) {
return_files[i] = files[i];
}
return return_files;
} else {
return null;
}
}
static Option find_option( Option[] options, String arg )
throws SOptionsException
{
int hit_count = 0, found = -1;
if( !arg.startsWith( "-" ) ) {
return null;
}
for( int i = 0; i < options.length; i++ ) {
// System.out.println( ">>> '" + options[i].long_name + "', '" + arg + "'" );
if( options[i] != null &&
( arg.equals(options[i].short_name) ||
arg.equals(options[i].long_name) )) {
return options[i];
}
if( options[i].long_name != null &&
options[i].long_name.indexOf( arg ) == 0 ) {
hit_count++;
found = i;
}
}
if( hit_count == 1 && found >= 0 )
return options[found];
throw new SOptionsException( "unknown option '" + arg + "'" );
}
}
|
