rustypaste_cli/
args.rs

1use getopts::Options;
2use std::env;
3use std::io::IsTerminal;
4use std::path::PathBuf;
5use std::process;
6
7/// Command-line arguments to parse.
8#[derive(Debug, Default)]
9pub struct Args {
10    /// Configuration file.
11    pub config: Option<PathBuf>,
12    /// Server address.
13    pub server: Option<String>,
14    /// Authentication or delete token.
15    pub auth: Option<String>,
16    /// URL to shorten.
17    pub url: Option<String>,
18    /// Remote URL to download file.
19    pub remote: Option<String>,
20    /// Files to upload.
21    pub files: Vec<String>,
22    /// Whether if the file will disappear after being viewed once.
23    pub oneshot: bool,
24    /// Expiration time for the link.
25    pub expire: Option<String>,
26    /// Prettify the program output.
27    pub prettify: bool,
28    /// Whether if the server version should be printed.
29    pub print_server_version: bool,
30    /// List files on the server (file name, file size, expiry timestamp).
31    pub list_files: bool,
32    /// Delete files from server.
33    pub delete: bool,
34    /// Send filename header (give uploaded file a specific name).
35    pub filename: Option<String>,
36}
37
38impl Args {
39    /// Parses the command-line arguments.
40    pub fn parse() -> Self {
41        let mut opts = Options::new();
42        opts.optflag("h", "help", "prints help information");
43        opts.optflag("v", "version", "prints version information");
44        opts.optflag("V", "server-version", "retrieves the server version");
45        opts.optflag("l", "list", "lists files on the server");
46        opts.optflag("d", "delete", "delete files from server");
47        opts.optflag("o", "oneshot", "generates one shot links");
48        opts.optflag("p", "pretty", "prettifies the output");
49        opts.optopt("c", "config", "sets the configuration file", "CONFIG");
50        opts.optopt(
51            "s",
52            "server",
53            "sets the address of the rustypaste server",
54            "SERVER",
55        );
56        opts.optopt(
57            "a",
58            "auth",
59            "sets the authentication or delete token",
60            "TOKEN",
61        );
62        opts.optopt("u", "url", "sets the URL to shorten", "URL");
63        opts.optopt("r", "remote", "sets the remote URL for uploading", "URL");
64        opts.optopt(
65            "e",
66            "expire",
67            "sets the expiration time for the link",
68            "TIME",
69        );
70        opts.optopt("n", "filename", "sets and overrides the filename", "NAME");
71
72        let env_args: Vec<String> = env::args().collect();
73        let matches = match opts.parse(&env_args[1..]) {
74            Ok(m) => m,
75            Err(e) => {
76                eprintln!("Argument error: `{e}`");
77                process::exit(1);
78            }
79        };
80
81        if matches.opt_present("h")
82            || (matches.free.is_empty()
83                && !matches.opt_present("u")
84                && !matches.opt_present("r")
85                && !matches.opt_present("V")
86                && !matches.opt_present("l")
87                && !matches.opt_present("d")
88                && !matches.opt_present("v")
89                && std::io::stdin().is_terminal())
90        {
91            let usage = format!(
92                "\n{} {} \u{2014} {}.\
93                \n\u{221F} written by {}\
94                \n\u{221F} licensed under MIT <{}>\
95                \n\nUsage:\n    {} [options] <file(s)>",
96                env!("CARGO_PKG_NAME"),
97                env!("CARGO_PKG_VERSION"),
98                env!("CARGO_PKG_DESCRIPTION"),
99                env!("CARGO_PKG_AUTHORS"),
100                env!("CARGO_PKG_REPOSITORY"),
101                "rpaste",
102            );
103            println!("{}", opts.usage(&usage));
104            process::exit(0)
105        }
106
107        if matches.opt_present("v") {
108            println!("{} {}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
109            process::exit(0)
110        }
111
112        Args {
113            config: env::var("RPASTE_CONFIG")
114                .ok()
115                .or_else(|| matches.opt_str("c"))
116                .map(PathBuf::from),
117            server: matches.opt_str("s"),
118            auth: matches.opt_str("a"),
119            url: matches.opt_str("u"),
120            remote: matches.opt_str("r"),
121            oneshot: matches.opt_present("o"),
122            expire: matches.opt_str("e"),
123            prettify: matches.opt_present("p"),
124            print_server_version: matches.opt_present("V"),
125            list_files: matches.opt_present("l"),
126            delete: matches.opt_present("d"),
127            filename: matches.opt_str("n"),
128            files: matches.free,
129        }
130    }
131}
rustypaste_cli/args.rs

rustypaste_cli/
args.rs
