-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.cpp
109 lines (96 loc) · 3.99 KB
/
main.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
/* ****************************************************************************
* File: Control version storage main.
* Author: Devid Dokash.
* Date: 15/05/2022.
* ***************************************************************************/
#include <fstream>
#include <iostream>
#include <iomanip>
#include "version_storage.hpp"
using namespace std;
void Help() {
std::cout << "Usage: version [options]\n"
<< "Options:\n" << std::left
<< std::setw(20) << " add <file>" << "Follows given file.\n"
<< std::setw(20) << " erase" << "Delete every file and the directory of version.\n"
<< std::setw(20) << " help" << "Help usage. What then?\n"
<< std::setw(20) << " init" << "Initializes version. Required for working.\n"
<< std::setw(20) << " log" << "Displays every followed file.\n"
<< std::setw(20) << " remove <file>" << "Remove given file.\n"
<< std::setw(35) << " restore <file> --version <n>"
<< "Restores a version by number or by name.\n"
<< std::setw(20) << " see <file>" << "Displays saved content of file.\n"
<< std::setw(50) << " update <file> [--name <name>][--comm \"<desc>\"]"
<< "Updates a file, can give a name and a description.\n";
}
void option_add(version_storage& vs, int argc, char* argv[]) {
if (argc-1 != 2) throw bad_option_usage("add");
vs.Add(argv[2]);
}
void option_erase(version_storage& vs, int argc) {
if (argc-1 != 1) throw bad_option_usage("erase");
vs.Erase();
}
void option_init(int argc) {
if (argc-1 != 1) throw bad_option_usage("init");
version_storage vs(1);
vs.Init();
}
void option_help(int argc) {
if (argc-1 != 1) throw bad_option_usage("help");
Help();
}
void option_log(version_storage& vs, int argc, char* argv[]) {
if (argc-1 == 1) vs.Log("");
else if (argc-1 == 2) vs.Log(argv[2]);
else throw bad_option_usage("log");
}
void option_remove(version_storage& vs, int argc, char* argv[]) {
if (argc-1 != 2) throw bad_option_usage("remove");
vs.Remove(argv[2]);
}
void option_restore(version_storage& vs, int argc, char* argv[]) {
if (argc-1 != 4 || strcmp(argv[3],"--version")) throw bad_option_usage("restore");
vs.Restore(argv[2], std::stoi(argv[4]));
}
void option_see(version_storage& vs, int argc, char* argv[]) {
if (argc-1 != 2) throw bad_option_usage("see");
vs.See(argv[2]);
}
void option_update(version_storage& vs, int argc, char* argv[]) {
if (argc-1 == 2) vs.Update(argv[2], "","");
else if (argc-1 == 4) {
if (!strcmp(argv[3], "--name")) vs.Update(argv[2], argv[4],"");
else throw bad_option_usage("update");
} else if (argc-1 == 6) {
if (!strcmp(argv[3], "--name") && !strcmp(argv[5], "--comm"))
vs.Update(argv[2], argv[4], argv[6]);
else throw bad_option_usage("update");
} else throw bad_option_usage("update");
}
int main(int argc, char* argv[]) {
try {
if (!(argc-1)) Help();
else {
if (!strcmp(argv[1], "init")) option_init(argc);
else if (!strcmp(argv[1], "help")) option_help(argc);
else {
version_storage vs;
if (!strcmp(argv[1], "add")) option_add(vs, argc, argv);
else if (!strcmp(argv[1], "erase")) option_erase(vs, argc);
else if (!strcmp(argv[1], "log")) option_log(vs, argc, argv);
else if (!strcmp(argv[1], "remove")) option_remove(vs, argc, argv);
else if (!strcmp(argv[1], "restore")) option_restore(vs, argc, argv);
else if (!strcmp(argv[1], "see")) option_see(vs, argc, argv);
else if (!strcmp(argv[1], "update")) option_update(vs, argc, argv);
else throw unknown_option(argv[1]);
}
}
} catch (unknown_option e) {
std::cerr << e.what() << std::endl;
} catch (bad_option_usage e) {
std::cerr << e.what() << std::endl;
} catch (version_not_installed e) {
std::cerr << e.what() << std::endl;
}
}