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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 libimagrt::runtime::Runtime;
use libimagstore::store::Entry;
use error::Result;
use error::EditErrorKind;
use error::EditError as EE;
use error::ResultExt;
pub trait Edit {
fn edit_content(&mut self, rt: &Runtime) -> Result<()>;
}
impl Edit for String {
fn edit_content(&mut self, rt: &Runtime) -> Result<()> {
edit_in_tmpfile(rt, self).map(|_| ())
}
}
impl Edit for Entry {
fn edit_content(&mut self, rt: &Runtime) -> Result<()> {
edit_in_tmpfile(rt, self.get_content_mut())
.map(|_| ())
}
}
pub fn edit_in_tmpfile(rt: &Runtime, s: &mut String) -> Result<()> {
use libimagutil::edit::edit_in_tmpfile_with_command;
rt.editor()
.ok_or(EE::from_kind(EditErrorKind::NoEditor))
.and_then(|editor| {
edit_in_tmpfile_with_command(editor, s)
.chain_err(|| EditErrorKind::IOError)
.and_then(|worked| {
if !worked {
Err(EditErrorKind::ProcessExitFailure.into())
} else {
Ok(())
}
})
})
}
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