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101 lines
3.5 KiB
101 lines
3.5 KiB
use std::fs; |
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use std::path::Path; |
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use clap::{Arg, App}; |
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/// Indicator of where the message should be in fumofile |
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const MESSAGE_INDICATOR: &str = "!message"; |
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/// Fumofile name of the default fumo |
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const FUMO_DEFAULT: &str = "fumo.fumo"; |
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/// Default directory where fumofiles are placed |
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const DEFAULT_FUMOFILES_DIR: &str = "/usr/share/fumosay/fumofiles/"; |
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/// Returns a resulting string with `MESSAGE_INDICATOR` replaced with given |
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/// `message`. If `MESSAGE_INDICATOR` is not present in fumofile - the |
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/// `message` will be added on the new line at the end of the fumofile. |
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fn process_message(fumofile_contents: &mut String, message: &str) -> String { |
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if fumofile_contents.contains(MESSAGE_INDICATOR) { |
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return fumofile_contents.replace(MESSAGE_INDICATOR,message); |
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} |
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return format!("{}\n{}", fumofile_contents, message); |
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} |
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fn main() { |
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// get command line arguments |
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let matches = App::new("fumosay") |
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.version("0.4.0") |
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.author("Unbewohnte | Nikolay Kasyanov <https://github.com/Unbewohnte>") |
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.about("cowsay, but with soft friends") |
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.arg( |
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Arg::with_name("fumo") |
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.short("f") |
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.long("fumo") |
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.value_name("fumofile") |
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.help("Choose another fumofumo to print") |
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.takes_value(true) |
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.required(false) |
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.default_value(FUMO_DEFAULT) |
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) |
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.arg( |
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Arg::with_name("fumofiles_directory") |
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.short("d") |
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.long("fumofiles_directory") |
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.value_name("fumofiles_directory_path") |
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.help("Look for fumofiles in given directory") |
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.takes_value(true) |
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.required(false) |
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.default_value(DEFAULT_FUMOFILES_DIR) |
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) |
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.arg( |
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Arg::with_name("list_fumos") |
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.short("l") |
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.long("list_fumos") |
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.help("Lists all fumofiles in the default directory instead") |
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.takes_value(false) |
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.required(false) |
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) |
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.arg( |
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Arg::with_name("message") |
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.short("m") |
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.long("message") |
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.help("Message to print") |
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.takes_value(true) |
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.index(1) |
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.multiple(true) |
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).get_matches(); |
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// check for list_fumos flag. |
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if matches.is_present("list_fumos") { |
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// list fumofiles and exit |
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let fumofiles = fs::read_dir(DEFAULT_FUMOFILES_DIR).expect("Could not read default fumofiles directory"); |
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for entry in fumofiles { |
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let file = entry.unwrap(); |
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let filename = file.file_name(); |
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print!("{:?}\n", filename); |
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} |
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std::process::exit(0); |
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} |
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// process fumofiles directory |
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// directory with all fumofiles |
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let new_fumofiles_dir = matches.value_of("fumofiles_directory").unwrap(); |
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// name of the fumofile to work with |
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let fumofile_name = matches.value_of("fumo").unwrap(); |
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// the whole path to the selected fumo |
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let fumofile_path = Path::new(&new_fumofiles_dir).join(fumofile_name); |
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// read fumofile |
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let mut fumofile_contents: String = fs::read_to_string(fumofile_path).expect("Could not find a fumofile!"); |
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// process the message |
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let message_values = matches.values_of("message").expect("No message provided"); |
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let message_vec: Vec<&str> = message_values.collect(); |
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let joined_message = message_vec.join(" "); |
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// parse the file, insert fiven message and get the resulting string |
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let fumosay: String = process_message(&mut fumofile_contents, joined_message.as_str()); |
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println!("{}", fumosay); |
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} |
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