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#![feature(test)]
extern crate clap;
extern crate test;
use test::Bencher;
use std::io::Cursor;
use clap::App;
use clap::{Arg, SubCommand};
fn build_help(app: &App) -> String {
let mut buf = Cursor::new(Vec::with_capacity(50));
app.write_help(&mut buf).unwrap();
let content = buf.into_inner();
String::from_utf8(content).unwrap()
}
fn app_example1<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
.version("1.0")
.author("Kevin K. <kbknapp@gmail.com>")
.about("Does awesome things")
.args_from_usage("-c, --config=[FILE] 'Sets a custom config file'
<output> 'Sets an optional output file'
-d... 'Turn debugging information on'")
.subcommand(SubCommand::with_name("test")
.about("does testing things")
.arg_from_usage("-l, --list 'lists test values'"))
}
fn app_example2<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
.version("1.0")
.author("Kevin K. <kbknapp@gmail.com>")
.about("Does awesome things")
}
fn app_example3<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
.arg(Arg::with_name("debug")
.help("turn on debugging information")
.short("d"))
.args(&[Arg::with_name("config")
.help("sets the config file to use")
.takes_value(true)
.short("c")
.long("config"),
Arg::with_name("input")
.help("the input file to use")
.index(1)
.required(true)])
.arg_from_usage("--license 'display the license file'")
.args_from_usage("[output] 'Supply an output file to use'
-i, --int=[IFACE] 'Set an interface to use'")
}
fn app_example4<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
.about("Parses an input file to do awesome things")
.version("1.0")
.author("Kevin K. <kbknapp@gmail.com>")
.arg(Arg::with_name("debug")
.help("turn on debugging information")
.short("d")
.long("debug"))
.arg(Arg::with_name("config")
.help("sets the config file to use")
.short("c")
.long("config"))
.arg(Arg::with_name("input")
.help("the input file to use")
.index(1)
.required(true))
}
fn app_example5<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp").arg(Arg::with_name("awesome")
.help("turns up the awesome")
.short("a")
.long("awesome")
.multiple(true)
.requires("config")
.conflicts_with("output"))
}
fn app_example6<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
.arg(Arg::with_name("input")
.help("the input file to use")
.index(1)
.requires("config")
.conflicts_with("output")
.required(true))
.arg(Arg::with_name("config")
.help("the config file to use")
.index(2))
}
fn app_example7<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
.arg(Arg::with_name("config"))
.arg(Arg::with_name("output"))
.arg(Arg::with_name("input")
.help("the input file to use")
.takes_value(true)
.short("i")
.long("input")
.multiple(true)
.required(true)
.requires("config")
.conflicts_with("output"))
}
fn app_example8<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
.arg(Arg::with_name("config"))
.arg(Arg::with_name("output"))
.arg(Arg::with_name("input")
.help("the input file to use")
.takes_value(true)
.short("i")
.long("input")
.multiple(true)
.required(true)
.requires("config")
.conflicts_with("output"))
}
fn app_example10<'b, 'c>() -> App<'b, 'c> {
App::new("myapp")
.about("does awesome things")
.arg(Arg::with_name("CONFIG")
.help("The config file to use (default is \"config.json\")")
.short("c")
.takes_value(true))
}
#[bench]
fn example1(b: &mut Bencher) {
let app = app_example1();
b.iter(|| build_help(&app));
}
#[bench]
fn example2(b: &mut Bencher) {
let app = app_example2();
b.iter(|| build_help(&app));
}
#[bench]
fn example3(b: &mut Bencher) {
let app = app_example3();
b.iter(|| build_help(&app));
}
#[bench]
fn example4(b: &mut Bencher) {
let app = app_example4();
b.iter(|| build_help(&app));
}
#[bench]
fn example5(b: &mut Bencher) {
let app = app_example5();
b.iter(|| build_help(&app));
}
#[bench]
fn example6(b: &mut Bencher) {
let app = app_example6();
b.iter(|| build_help(&app));
}
#[bench]
fn example7(b: &mut Bencher) {
let app = app_example7();
b.iter(|| build_help(&app));
}
#[bench]
fn example8(b: &mut Bencher) {
let app = app_example8();
b.iter(|| build_help(&app));
}
#[bench]
fn example10(b: &mut Bencher) {
let app = app_example10();
b.iter(|| build_help(&app));
}
#[bench]
fn example4_template(b: &mut Bencher) {
let app = app_example4().template("{bin} {version}\n{author}\n{about}\n\nUSAGE:\n {usage}\n\nFLAGS:\n{flags}\n\nARGS:\n{args}\n");
b.iter(|| build_help(&app));
}
|
