matthiasbeyer/imag
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Remove calls to exit() and replace them with error propagation up to main()

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Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
This commit is contained in:
Matthias Beyer 2019-10-19 08:54:57 +02:00
parent 0e14f953ca
commit ab39aa9353
2 changed files with 21 additions and 26 deletions
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1
bin/core/imag-markdown/Cargo.toml
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@ -23,6 +23,7 @@ maintenance = { status = "actively-developed" }
[dependencies]
log = "0.4.6"
failure = "0.1.5"
resiter = "0.3.0"
libimagstore = { version = "0.10.0", path = "../../../lib/core/libimagstore" }
libimagrt = { version = "0.10.0", path = "../../../lib/core/libimagrt" }

46
bin/core/imag-markdown/src/lib.rs
View file

@ -37,6 +37,7 @@
extern crate clap;
#[macro_use] extern crate log;
extern crate failure;
extern crate resiter;
extern crate libimagerror;
extern crate libimagrt;
@ -47,13 +48,14 @@ use std::io::Write;
use failure::Error;
use failure::err_msg;
use failure::Fallible as Result;
use resiter::AndThen;
use resiter::Map;
use clap::App;
use libimagerror::trace::MapErrTrace;
use libimagerror::iter::TraceIterator;
use libimagrt::runtime::Runtime;
use libimagrt::application::ImagApplication;
use libimagstore::iter::get::StoreIdGetIteratorExtension;
use crate::libimagerror::iter::IterInnerOkOrElse;
mod ui;
@ -69,40 +71,32 @@ impl ImagApplication for ImagMarkdown {
let mut outlock = out.lock();
let iter = rt
.ids::<crate::ui::PathProvider>()
.map_err_trace_exit_unwrap()
.unwrap_or_else(|| {
error!("No ids supplied");
::std::process::exit(1);
})
.ids::<crate::ui::PathProvider>()?
.ok_or_else(|| err_msg("No ids supplied"))?
.into_iter()
.map(Ok)
.into_get_iter(rt.store())
.trace_unwrap_exit()
.map(|ofle| ofle.ok_or_else(|| {
err_msg("Entry does not exist but is in store. This is a BUG, please report!")
}))
.trace_unwrap_exit();
.map_inner_ok_or_else(|| err_msg("Entry does not exist but is in store. This is a BUG, please report!"));
if only_links {
iter.map(|fle| libimagentrymarkdown::link::extract_links(fle.get_content()))
.for_each(|links| {
links.iter().for_each(|link| {
writeln!(outlock, "{title}: {link}", title = link.title, link = link.link)
.map_err(Error::from)
.map_err_trace_exit_unwrap();
})
debug!("Printing only links");
iter.map_ok(|fle| libimagentrymarkdown::link::extract_links(fle.get_content()))
.and_then_ok(|links| {
links.iter()
.map(|link| {
writeln!(outlock, "{title}: {link}", title = link.title, link = link.link).map_err(Error::from)
})
.collect()
})
.collect()
} else {
iter.map(|fle| libimagentrymarkdown::html::to_html(fle.get_content()))
.trace_unwrap_exit()
.for_each(|html| {
writeln!(outlock, "{}", html).map_err(Error::from).map_err_trace_exit_unwrap();
iter.and_then_ok(|fle| libimagentrymarkdown::html::to_html(fle.get_content()))
.and_then_ok(|html| {
writeln!(outlock, "{}", html).map_err(Error::from).map_err(Error::from)
})
.collect()
}
Ok(())
}
fn build_cli<'a>(app: App<'a, 'a>) -> App<'a, 'a> {