imag/imag-counter/src/main.rs

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#![deny(
non_camel_case_types,
non_snake_case,
path_statements,
trivial_numeric_casts,
unstable_features,
unused_allocation,
unused_import_braces,
unused_imports,
unused_must_use,
unused_mut,
unused_qualifications,
while_true,
)]
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#[macro_use] extern crate log;
#[macro_use] extern crate version;
extern crate clap;
extern crate libimagcounter;
extern crate libimagrt;
extern crate libimagutil;
use std::process::exit;
use std::str::FromStr;
use libimagrt::runtime::Runtime;
use libimagcounter::counter::Counter;
use libimagutil::trace::trace_error;
use libimagutil::key_value_split::IntoKeyValue;
mod create;
mod delete;
mod interactive;
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mod list;
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mod ui;
use ui::build_ui;
use create::create;
use delete::delete;
use interactive::interactive;
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use list::list;
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enum Action {
Inc,
Dec,
Reset,
Set,
}
fn main() {
let name = "imag-counter";
let version = &version!()[..];
let about = "Counter tool to count things";
let ui = build_ui(Runtime::get_default_cli_builder(name, version, about));
let rt = {
let rt = Runtime::new(ui);
if rt.is_ok() {
rt.unwrap()
} else {
println!("Could not set up Runtime");
println!("{:?}", rt.err().unwrap());
exit(1);
}
};
rt.cli()
.subcommand_name()
.map_or_else(|| {
let (action, name) = {
if rt.cli().is_present("increment") {
(Action::Inc, rt.cli().value_of("increment").unwrap())
} else if rt.cli().is_present("decrement") {
(Action::Dec, rt.cli().value_of("decrement").unwrap())
} else if rt.cli().is_present("reset") {
(Action::Reset, rt.cli().value_of("reset").unwrap())
} else /* rt.cli().is_present("set") */ {
(Action::Set, rt.cli().value_of("set").unwrap())
}
};
match action {
Action::Inc => {
Counter::load(String::from(name), rt.store())
.map(|mut counter| {
match counter.inc() {
Err(e) => { trace_error(&e); exit(1); },
Ok(_) => info!("Ok"),
}
})
},
Action::Dec => {
Counter::load(String::from(name), rt.store())
.map(|mut counter| {
match counter.dec() {
Err(e) => { trace_error(&e); exit(1); },
Ok(_) => info!("Ok"),
}
})
},
Action::Reset => {
Counter::load(String::from(name), rt.store())
.map(|mut counter| {
match counter.reset() {
Err(e) => { trace_error(&e); exit(1); },
Ok(_) => info!("Ok"),
}
})
},
Action::Set => {
let kv = String::from(name).into_kv();
if kv.is_none() {
warn!("Not a key-value pair: '{}'", name);
exit(1);
}
let (key, value) = kv.unwrap().into();
let value = FromStr::from_str(&value[..]);
if value.is_err() {
warn!("Not a integer: '{:?}'", value);
exit(1);
}
let value : i64 = value.unwrap();
Counter::load(String::from(key), rt.store())
.map(|mut counter| {
match counter.set(value) {
Err(e) => { trace_error(&e); exit(1); },
Ok(_) => info!("Ok"),
}
})
},
}
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.map_err(|e| trace_error(&e))
.ok();
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},
|name| {
debug!("Call: {}", name);
match name {
"create" => create(&rt),
"delete" => delete(&rt),
"interactive" => interactive(&rt),
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"list" => list(&rt),
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_ => {
debug!("Unknown command"); // More error handling
},
};
})
}