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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 std::ops::DerefMut;
- use libimagerror::into::IntoError;
- use libimagrt::runtime::Runtime;
- use libimagstore::store::Entry;
- use libimagstore::store::FileLockEntry;
- use result::Result;
- use error::EditErrorKind;
- use error::MapErrInto;
- 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(|_| ())
- }
- }
- impl<'a> Edit for FileLockEntry<'a> {
- fn edit_content(&mut self, rt: &Runtime) -> Result<()> {
- self.deref_mut().edit_content(rt)
- }
- }
- pub fn edit_in_tmpfile(rt: &Runtime, s: &mut String) -> Result<()> {
- use libimagutil::edit::edit_in_tmpfile_with_command;
- rt.editor()
- .ok_or(EditErrorKind::NoEditor.into_error())
- .and_then(|editor| {
- edit_in_tmpfile_with_command(editor, s)
- .map_err_into(EditErrorKind::IOError)
- .and_then(|worked| {
- if !worked {
- Err(EditErrorKind::ProcessExitFailure.into())
- } else {
- Ok(())
- }
- })
- })
- }
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