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use toml::{Parser, Value, decode};
use rustc_serialize::Decodable;
use std::path::{PathBuf, Path};
use self::super::Outcome;
use std::fs::File;
use std::io::Read;
mod user;
mod token;
mod queued_tweet;
pub mod init;
pub mod add_user;
pub mod queue_tweet;
pub mod start_daemon;
pub use self::user::User;
pub use self::token::AppTokens;
pub use self::queued_tweet::QueuedTweet;
fn verify_file(fname: &str, should_exist: bool, config_dir: &(String, PathBuf), force: bool, producing_subsystem: &'static str) -> Result<PathBuf, Outcome> {
let app_data_file = config_dir.1.join(fname);
if force || app_data_file.exists() == should_exist {
Ok(app_data_file)
} else {
let filename = PathBuf::from(&config_dir.0).join(fname).to_str().unwrap().replace("\\", "/");
if should_exist {
Err(Outcome::RequiredFileFromSubsystemNonexistant {
subsys: producing_subsystem,
fname: filename,
})
} else {
Err(Outcome::OverrideNoForce(filename))
}
}
}
fn read_toml_file<T: Decodable>(p: &Path, desc: &'static str) -> Result<T, Option<Outcome>> {
let mut buf = String::new();
try!(try!(File::open(p).map_err(|_| None)).read_to_string(&mut buf).map_err(|_| None));
let mut parser = Parser::new(&buf);
let parsed = parser.parse().and_then(|t| decode(Value::Table(t)));
parsed.ok_or_else(move || {
Some(Outcome::FileParsingFailed {
desc: desc,
errors: parser.errors
.iter()
.map(|e| {
let (line, col) = parser.to_linecol(e.lo);
format!("error: {}:{}: {}", line, col, e.desc)
})
.collect(),
})
})
}