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upgrade clap to 4.0

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This commit is contained in:
David
2022-07-04 23:16:31 +08:00
committed by Eric Huss
parent 0b2520f84a
commit 87a381e0a7
13 changed files with 181 additions and 210 deletions
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12
examples/nop-preprocessor.rs
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@@ -1,5 +1,5 @@
use crate::nop_lib::Nop;
use clap::{App, Arg, ArgMatches};
use clap::{Arg, ArgMatches, Command};
use mdbook::book::Book;
use mdbook::errors::Error;
use mdbook::preprocess::{CmdPreprocessor, Preprocessor, PreprocessorContext};
@@ -7,11 +7,11 @@ use semver::{Version, VersionReq};
use std::io;
use std::process;
pub fn make_app() -> App<'static> {
App::new("nop-preprocessor")
pub fn make_app() -> Command {
Command::new("nop-preprocessor")
.about("A mdbook preprocessor which does precisely nothing")
.subcommand(
App::new("supports")
Command::new("supports")
.arg(Arg::new("renderer").required(true))
.about("Check whether a renderer is supported by this preprocessor"),
)
@@ -54,7 +54,9 @@ fn handle_preprocessing(pre: &dyn Preprocessor) -> Result<(), Error> {
}
fn handle_supports(pre: &dyn Preprocessor, sub_args: &ArgMatches) -> ! {
let renderer = sub_args.value_of("renderer").expect("Required argument");
let renderer = sub_args
.get_one::<String>("renderer")
.expect("Required argument");
let supported = pre.supports_renderer(renderer);
// Signal whether the renderer is supported by exiting with 1 or 0.