-
Notifications
You must be signed in to change notification settings - Fork 2
/
utils.cpp
142 lines (124 loc) · 2.91 KB
/
utils.cpp
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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
// $Revision: 1.3 $
// utils.cpp
// (c) 2004-2022 Matthew Arcus
// MIT License
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "utils.h"
using namespace std;
void error(const char *s)
{
fprintf(stderr, "%s\n", s);
exit(-1);
}
void syserror(const char *s)
{
perror(s);
fprintf(stderr, "Exiting\n");
exit(-1);
}
OptSpec::OptSpec(const char *optstring_)
: optstring(optstring_)
{}
int OptSpec::ReadOpts (int &argc, char** &argv, OptSpec* optspecs[])
{
int i = 0;
while (optspecs[i] != NULL) {
int result = optspecs[i]->ReadOpt(argc, argv);
if (result != 0) {
return result;
}
i++;
}
return 0;
}
BoolSpec::BoolSpec (const char *optstring_, bool &value_)
: OptSpec(optstring_), value(value_) {}
int BoolSpec::ReadOpt(int &argc, char** &argv) {
(void(argc));
if (strcmp(argv[0], optstring) != 0) {
return 0;
} else {
value = true;
return 1;
}
}
StringSpec::StringSpec (const char *optstring_, const char *&value_)
: OptSpec(optstring_), value(value_)
{}
int StringSpec::ReadOpt(int &argc, char** &argv) {
if (strcmp(argv[0], optstring) != 0) {
return 0;
} else {
argc--; argv++;
if (argc == 0) {
fprintf(stderr,"Need a parameter for %s\n", optstring);
return -1;
} else {
value = argv[0];
return 1;
}
}
}
IntSpec::IntSpec (const char *optstring_, int &value_)
: OptSpec(optstring_), value(value_)
{}
int IntSpec::ReadOpt(int &argc, char** &argv) {
if (strcmp(argv[0], optstring) != 0) {
return 0;
} else {
argc--; argv++;
if (argc == 0) {
fprintf(stderr,"Need a parameter for %s\n", optstring);
return -1;
} else {
// Should do some error checking here
value = strtol(argv[0],NULL,0);
return 1;
}
}
}
DoubleSpec::DoubleSpec (const char *optstring_, double &value_, double conversion_)
: OptSpec(optstring_), value(value_), conversion(conversion_)
{};
int DoubleSpec::ReadOpt(int &argc, char** &argv) {
if (strcmp(argv[0], optstring) != 0) {
return 0;
} else {
argc--; argv++;
if (argc == 0) {
fprintf(stderr,"Need a parameter for %s\n", optstring);
return -1;
} else {
// Should do some error checking here
value = conversion * strtod(argv[0], NULL);
return 1;
}
}
}
vector<vector<string> > CmdSpec::cmdlist;
CmdSpec::CmdSpec (const char *optstring_, int nargs_)
: OptSpec(optstring_),nargs(nargs_) {}
int CmdSpec::ReadOpt(int &argc, char** &argv) {
if (strcmp(argv[0], optstring) != 0) {
return 0;
} else {
vector<string>cmd;
// Skip the initial '-'
assert(*argv[0] == '-');
cmd.push_back(argv[0]+1);
for (int i = 0; i < nargs; i++){
argc--;argv++;
if (argc == 0) {
fprintf(stderr,"Need %d parameter for %s\n", nargs, optstring);
return -1;
} else {
cmd.push_back(argv[0]);
}
}
cmdlist.push_back(cmd);
return 1;
}
}