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// Copyright (c) 2018 Teddy Wing
//
// This file is part of DomeKey.
//
// *Purchasing policy notice:* All users of the software are expected to
// purchase a license from Teddy Wing unless they have a good reason not to
// pay. Users who can't purchase a license may apply to receive one for free
// at inquiry@domekey.teddywing.com. Users are free to:
//
// * download, build, and modify the app;
// * share the modified source code;
// * share the purchased or custom-built binaries (with unmodified license
// and contact info), provided that the purchasing policy is explained to
// all potential users.
//
// This software is available under a modified version of the Open Community
// Indie Software License:
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose is hereby granted, subject to the following conditions:
//
// * all copies retain the above copyright notice, the above purchasing
// policy notice and this permission notice unmodified;
//
// * all copies retain the name of the software (DomeKey), the name of the
// author (Teddy Wing), and contact information (including, but not limited
// to, inquiry@domekey.teddywing.com, and domekey.teddywing.com URLs)
// unmodified;
//
// * no fee is charged for distribution of the software;
//
// * the best effort is made to explain the purchasing policy to all users of
// the software.
//
// THE SOFTWARE IS PROVIDED "AS IS", AND THE AUTHOR AND COPYRIGHT HOLDERS
// DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO THIS SOFTWARE,
// INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
// DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER
// IN AN ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING
// OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use std::ffi::CString;
use std::fs;
use std::ptr;
use exitcode;
use libc::c_char;
use getopts::Options;
use toml;
use xdg;
use errors::*;
type Milliseconds = u16;
#[repr(C)]
pub struct Args {
pub reload: bool,
pub daemon: bool,
pub audio: bool,
pub version: bool,
pub license: *mut c_char,
}
impl Default for Args {
fn default() -> Self {
Args {
reload: false,
daemon: false,
audio: false,
version: false,
license: ptr::null_mut(),
}
}
}
#[repr(C)]
#[derive(Deserialize)]
#[serde(default)]
pub struct Config {
#[serde(skip)]
pub args: Args,
pub timeout: Milliseconds,
}
impl Default for Config {
fn default() -> Self {
Config {
args: Args::default(),
timeout: 500,
}
}
}
fn print_usage(opts: Options) {
let brief = "Usage: dome-key [options]";
print!("{}", opts.usage(&brief));
::std::process::exit(exitcode::OK);
}
pub fn parse_args<'a>(args: &[String], config: &'a mut Config) -> &'a mut Config {
let mut opts = Options::new();
opts.optflag("d", "daemon", "run the daemon in the current shell");
opts.optflag("r", "reload-mappings", "reload the mappings file");
opts.optflag("", "audio", "play interface audio");
opts.optopt(
"",
"license",
"register the software using a license plist file",
"FILE"
);
opts.optflag("v", "version", "print the program version");
opts.optflag("h", "help", "print this help menu");
let matches = match opts.parse(&args[1..]) {
Ok(m) => m,
Err(e) => panic!(e),
};
if matches.opt_present("h") {
print_usage(opts);
return config;
}
if matches.opt_present("audio") {
config.args.audio = true;
}
if matches.opt_present("r") {
config.args.reload = true;
} else if matches.opt_present("d") {
config.args.daemon = true;
} else if let Some(license_path) = matches.opt_str("license") {
match CString::new(license_path) {
Ok(str) => config.args.license = str.into_raw(),
Err(e) => dkeprintln!("{}", e),
}
} else if matches.opt_present("v") {
config.args.version = true;
} else {
print_usage(opts);
}
config
}
pub fn get_config() -> Result<Config> {
let config = match xdg::BaseDirectories::with_prefix("dome-key") {
Ok(xdg_dirs) => {
match xdg_dirs.find_config_file("config.toml") {
Some(config_file) => {
let config_str = fs::read_to_string(config_file)
.chain_err(|| "failed to read config file")?;
toml::from_str(&config_str)
.chain_err(|| "failed to parse config file")?
},
None => Config::default(),
}
},
Err(_) => Config::default(),
};
Ok(config)
}
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