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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015, 2016 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
//
use clap::{Arg, ArgMatches, App, SubCommand};
use libimagstore::store::FileLockEntry;
use error::Result;
use listers::line::LineLister;
use listers::path::PathLister;
use lister::Lister;
use error::ListErrorKind;
use error::ListError as LE;
pub fn build_list_cli_component<'a, 'b>() -> App<'a, 'b> {
SubCommand::with_name(list_subcommand_name())
.author("Matthias Beyer <mail@beyermatthias.de>")
.version("0.1")
.about("List entries")
.arg(Arg::with_name(list_backend_line())
.short("l")
.long("line")
.takes_value(false)
.required(false)
.multiple(false)
.help("Use backend: Line"))
.arg(Arg::with_name(list_backend_path())
.short("p")
.long("path")
.takes_value(false)
.required(false)
.multiple(false)
.help("Use backend: Path"))
.arg(Arg::with_name(list_backend_path_absolute())
.short("P")
.long("path-absolute")
.takes_value(false)
.required(false)
.multiple(false)
.help("Use backend: Path (absolute)"))
}
pub fn list_subcommand_name() -> &'static str {
"list"
}
pub fn list_backend_line() -> &'static str {
"line"
}
pub fn list_backend_path() -> &'static str {
"path"
}
pub fn list_backend_path_absolute() -> &'static str {
"path-absolute"
}
// TODO: Add Registry for listers where a HashMap name->lister is in and where we can fetch the
// lister from.
pub fn list_entries_with_lister<'a, I>(m: &ArgMatches, entries: I) -> Result<()>
where I: Iterator<Item = FileLockEntry<'a>>
{
if let Some(matches) = m.subcommand_matches(list_subcommand_name()) {
if matches.is_present(list_backend_line()) {
return LineLister::new("<unknown>").list(entries)
};
if matches.is_present(list_backend_path()) {
return PathLister::new(false).list(entries)
}
if matches.is_present(list_backend_path_absolute()) {
return PathLister::new(true).list(entries)
}
Ok(())
} else {
Err(LE::from_kind(ListErrorKind::CLIError))
}
}
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