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extern crate clap;
extern crate dirs;
use clap::*;
use std::path;
use gettextrs::*;
pub struct CommandlineParameters {
pub config_file : path::PathBuf,
pub plugin_folder : path::PathBuf,
pub print_sample_config : bool
}
/// Gets the config and plugin paths. Either from command line or from hardcoded defaults.
pub fn parse_commandline() -> CommandlineParameters {
//needed for lifetime reasons...
let matches = App::new(crate_name!())
.version(crate_version!())
.author(crate_authors!())
.about(&*gettext("A simple status text app, inspired by i3status"))
.arg(
Arg::new("help")
.short('h')
.long("help")
.about(&*gettext("Prints help information."))
.global(true))
.arg(
Arg::new("version")
.short('v')
.long("version")
.about(&*gettext("Prints version information."))
.global(true))
.arg(
Arg::new("config")
.short('c')
.long("config")
.value_name(&*gettext("FILE"))
.about(&*gettext("Path to the configuration file"))
.takes_value(true))
.arg(
Arg::new("plugins")
.short('p')
.long("plugins")
.value_name(&*gettext("FOLDER"))
.about(&*gettext("Directory from which the plugins should be loaded"))
.takes_value(true))
.arg(
Arg::new("sampleconfig")
.long("print-sample-config")
.about(&*gettext("Prints a sample config file. Beware that the contents of the sample file depend on the loaded plugins, so don't forget to supply the plugins parameter as needed."))
.takes_value(false))
.after_help(&*gettext!("If no config path is given, the code looks for the \"swaystatus/config\" file in your XDG config folder (typically \"$HOME/.config/\"). If that lookup fails, loading of \"/etc/swaystatus/config\" is attempted. Similarly, if no plugin folder is given, first the existence of a folder named \"$HOME/.local/lib/swaystatus\" is checked. If this folder does not exist, a default path set at compile time is used, which in your case is \"{}\"." , get_hardcoded_default_library_path()))
.help_template(&*gettext("\
{before-help}{bin} {version}\n\
{author}\n
{about}\n\
USAGE\n {usage}\n\
\n\
FLAGS:
{flags}\n
OPTIONS:
{options}\n
{after-help}")).get_matches();
let config_file = matches.value_of("config").map(path::PathBuf::from).unwrap_or_else(get_default_config);
let plugin_folder = matches.value_of("plugins").map(path::PathBuf::from).unwrap_or_else(get_default_plugin_directory);
let print_sample_config = matches.is_present("sampleconfig");
CommandlineParameters { config_file, plugin_folder , print_sample_config}
}
/// Searches for the config file in XDG paths. If not found there, instead the
/// /etc/swaystatus/config path is returned.
fn get_default_config() -> path::PathBuf {
if let Some(mut xdg) = dirs::config_dir() {
xdg.push("swaystatus/config");
if xdg.exists() {
return xdg;
}
}
//no XDG data dir config file found.
path::PathBuf::from("/etc/swaystatus/config")
}
fn get_hardcoded_default_library_path() -> &'static str {
option_env!("DEFAULT_PLUGIN_DIR").unwrap_or("/usr/lib/swaystatus/")
}
/// Searches for plugins. First checks the user's ~/.local/lib/swaystatus/ folder, then the folder
/// passed as build parameter (DEFAULT_PLUGIN_DIR)
fn get_default_plugin_directory() -> path::PathBuf {
if let Some(mut user_folder) = dirs::home_dir() {
user_folder.push(".local/lib/swaystatus/");
if user_folder.is_dir() {
return user_folder;
}
}
path::PathBuf::from(get_hardcoded_default_library_path())
}
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