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Auto merge of #879 - kbknapp:perf-imp, r=kbknapp
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Perf imp
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@homu
homu committed Feb 28, 2017
2 parents b336bdb + ceec86d commit 7b08a0a
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Showing 27 changed files with 2,468 additions and 1,212 deletions.
3 changes: 2 additions & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
[package]

name = "clap"
version = "2.20.5"
version = "2.21.0"
authors = ["Kevin K. <kbknapp@gmail.com>"]
exclude = ["examples/*", "clap-test/*", "tests/*", "benches/*", "*.png", "clap-perf/*", "*.dot"]
repository = "https://github.com/kbknapp/clap-rs.git"
Expand Down Expand Up @@ -30,6 +30,7 @@ atty = { version = "0.2.2", optional = true }

[dev-dependencies]
regex = "0.2"
lazy_static = "0.2"

[features]
default = ["suggestions", "color", "wrap_help"]
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209 changes: 55 additions & 154 deletions benches/04_new_help.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,11 @@ fn app_example1<'b, 'c>() -> App<'b, 'c> {
.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'")
<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'"))
.about("does testing things")
.arg_from_usage("-l, --list 'lists test values'"))
}

fn app_example2<'b, 'c>() -> App<'b, 'c> {
Expand All @@ -39,37 +39,19 @@ fn app_example2<'b, 'c>() -> App<'b, 'c> {

fn app_example3<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
// All application settings go here...

// A simple "Flag" argument example (i.e. "-d") using the builder pattern
.arg(Arg::with_name("debug")
.help("turn on debugging information")
.short("d"))

// Two arguments, one "Option" argument (i.e. one that takes a value) such
// as "-c some", and one positional argument (i.e. "myapp some_file")
.args(&[
Arg::with_name("config")
.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")
Arg::with_name("input")
.help("the input file to use")
.index(1)
.required(true)
])

// *Note* the following two examples are convienience methods, if you wish
// to still get the full configurability of Arg::with_name() and the readability
// of arg_from_usage(), you can instantiate a new Arg with Arg::from_usage() and
// still be able to set all the additional properties, just like Arg::with_name()
//
//
// One "Flag" using a usage string
.required(true)])
.arg_from_usage("--license 'display the license file'")

// Two args, one "Positional", and one "Option" using a usage string
.args_from_usage("[output] 'Supply an output file to use'
-i, --int=[IFACE] 'Set an interface to use'")
}
Expand All @@ -80,142 +62,79 @@ fn app_example4<'b, 'c>() -> App<'b, 'c> {
.version("1.0")
.author("Kevin K. <kbknapp@gmail.com>")
.arg(Arg::with_name("debug")
.help("turn on debugging information")
.short("d")
.long("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"))
.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))
.help("the input file to use")
.index(1)
.required(true))
}

fn app_example5<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
// Regular App configuration goes here...

// We'll add a flag that represents an awesome meter...
//
// I'll explain each possible setting that "flags" accept. Keep in mind
// that you DO NOT need to set each of these for every flag, only the ones
// you want for your individual case.
.arg(Arg::with_name("awesome")
.help("turns up the awesome") // Displayed when showing help info
.short("a") // Trigger this arg with "-a"
.long("awesome") // Trigger this arg with "--awesome"
.multiple(true) // This flag should allow multiple
// occurrences such as "-aaa" or "-a -a"
.requires("config") // Says, "If the user uses -a, they MUST
// also use this other 'config' arg too"
// Can also specifiy a list using
// requires_all(Vec<&str>)
.conflicts_with("output") // Opposite of requires(), says "if the
// user uses -a, they CANNOT use 'output'"
// also has a mutually_excludes_all(Vec<&str>)
)
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")
// Regular App configuration goes here...

// We'll add two positional arguments, a input file, and a config file.
//
// I'll explain each possible setting that "positionals" accept. Keep in
// mind that you DO NOT need to set each of these for every flag, only the
// ones that apply to your individual case.
.arg(Arg::with_name("input")
.help("the input file to use") // Displayed when showing help info
.index(1) // Set the order in which the user must
// specify this argument (Starts at 1)
.requires("config") // Says, "If the user uses "input", they MUST
// also use this other 'config' arg too"
// Can also specifiy a list using
// requires_all(Vec<&str>)
.conflicts_with("output") // Opposite of requires(), says "if the
// user uses -a, they CANNOT use 'output'"
// also has a mutually_excludes_all(Vec<&str>)
.required(true) // By default this argument MUST be present
// NOTE: mutual exclusions take precedence over
// required arguments
)
.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)) // Note, we do not need to specify required(true)
// if we don't want to, because "input" already
// requires "config"
// Note, we also do not need to specify requires("input")
// because requires lists are automatically two-way
.help("the config file to use")
.index(2))
}

fn app_example7<'b, 'c>() -> App<'b, 'c> {
App::new("MyApp")
// Regular App configuration goes here...

// Assume we an application that accepts an input file via the "-i file"
// or the "--input file" (as wel as "--input=file").
// Below every setting supported by option arguments is discussed.
// NOTE: You DO NOT need to specify each setting, only those which apply
// to your particular case.
.arg(Arg::with_name("config"))
.arg(Arg::with_name("output"))
.arg(Arg::with_name("input")
.help("the input file to use") // Displayed when showing help info
.takes_value(true) // MUST be set to true in order to be an "option" argument
.short("i") // This argument is triggered with "-i"
.long("input") // This argument is triggered with "--input"
.multiple(true) // Set to true if you wish to allow multiple occurrences
// such as "-i file -i other_file -i third_file"
.required(true) // By default this argument MUST be present
// NOTE: mutual exclusions take precedence over
// required arguments
.requires("config") // Says, "If the user uses "input", they MUST
// also use this other 'config' arg too"
// Can also specifiy a list using
// requires_all(Vec<&str>)
.conflicts_with("output") // Opposite of requires(), says "if the
// user uses -a, they CANNOT use 'output'"
// also has a conflicts_with_all(Vec<&str>)
)
.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")
// Regular App configuration goes here...

// Assume we an application that accepts an input file via the "-i file"
// or the "--input file" (as wel as "--input=file").
// Below every setting supported by option arguments is discussed.
// NOTE: You DO NOT need to specify each setting, only those which apply
// to your particular case.
.arg(Arg::with_name("config"))
.arg(Arg::with_name("output"))
.arg(Arg::with_name("input")
.help("the input file to use") // Displayed when showing help info
.takes_value(true) // MUST be set to true in order to be an "option" argument
.short("i") // This argument is triggered with "-i"
.long("input") // This argument is triggered with "--input"
.multiple(true) // Set to true if you wish to allow multiple occurrences
// such as "-i file -i other_file -i third_file"
.required(true) // By default this argument MUST be present
// NOTE: mutual exclusions take precedence over
// required arguments
.requires("config") // Says, "If the user uses "input", they MUST
// also use this other 'config' arg too"
// Can also specifiy a list using
// requires_all(Vec<&str>)
.conflicts_with("output") // Opposite of requires(), says "if the
// user uses -a, they CANNOT use 'output'"
// also has a conflicts_with_all(Vec<&str>)
)
.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))
.help("The config file to use (default is \"config.json\")")
.short("c")
.takes_value(true))
}

#[bench]
Expand Down Expand Up @@ -274,24 +193,6 @@ fn example10(b: &mut Bencher) {

#[bench]
fn example4_template(b: &mut Bencher) {
/*
MyApp 1.0
Kevin K. <kbknapp@gmail.com>
Parses an input file to do awesome things
USAGE:
test [FLAGS] <input>
FLAGS:
-c, --config sets the config file to use
-d, --debug turn on debugging information
-h, --help Prints help information
-V, --version Prints version information
ARGS:
<input> the input file to use
*/

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));
}
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