imag/bin/core/imag-id-in-collection/src/main.rs
2019-10-26 16:35:31 +02:00

117 lines
3.2 KiB
Rust

//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#![forbid(unsafe_code)]
#![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,
)]
extern crate clap;
extern crate filters;
#[macro_use] extern crate log;
extern crate toml;
extern crate toml_query;
extern crate failure;
#[cfg(test)]
extern crate env_logger;
extern crate libimagerror;
extern crate libimagstore;
#[macro_use] extern crate libimagrt;
use std::io::Write;
use filters::filter::Filter;
use failure::Fallible as Result;
use failure::Error;
use failure::err_msg;
use libimagstore::storeid::StoreId;
use libimagrt::setup::generate_runtime_setup;
mod ui;
pub struct IsInCollectionsFilter<'a, A>(Option<A>, ::std::marker::PhantomData<&'a str>)
where A: AsRef<[&'a str]>;
impl<'a, A> IsInCollectionsFilter<'a, A>
where A: AsRef<[&'a str]>
{
pub fn new(collections: Option<A>) -> Self {
IsInCollectionsFilter(collections, ::std::marker::PhantomData)
}
}
impl<'a, A> Filter<StoreId> for IsInCollectionsFilter<'a, A>
where A: AsRef<[&'a str]> + 'a
{
fn filter(&self, sid: &StoreId) -> bool {
match self.0 {
Some(ref colls) => sid.is_in_collection(colls),
None => true,
}
}
}
fn main() -> Result<()> {
let version = make_imag_version!();
let rt = generate_runtime_setup("imag-id-in-collection",
&version,
"filter ids by collection",
crate::ui::build_ui);
let values = rt
.cli()
.values_of("in-collection-filter")
.map(|v| v.collect::<Vec<&str>>());
let collection_filter = IsInCollectionsFilter::new(values);
let mut stdout = rt.stdout();
trace!("Got output: {:?}", stdout);
rt.ids::<crate::ui::PathProvider>()?
.ok_or_else(|| err_msg("No ids supplied"))?
.iter()
.filter(|id| collection_filter.filter(id))
.map(|id| {
if !rt.output_is_pipe() {
let id = id.to_str()?;
trace!("Writing to {:?}", stdout);
writeln!(stdout, "{}", id)?;
}
rt.report_touched(&id).map_err(Error::from)
})
.collect()
}