matthiasbeyer
/
imag
1
0
Fork 0
Code Releases Activity

Remove ununsed sourcefile 

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
This commit is contained in:
Matthias Beyer 2019-05-19 12:30:57 +02:00
parent 8bac396f09
commit b18c3e0361
1 changed files with 0 additions and 123 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

123
lib/etc/libimaginteraction/src/readline.rs
View File

@ -1,123 +0,0 @@
//
// 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
//
use failure::ResultExt;
use toml::Value;
use rustyline::{Config, Editor};
pub struct Readline {
editor: Editor,
history_file: PathBuf,
prompt: String,
}
impl Readline {
pub fn new(rt: &Runtime) -> Result<Readline> {
let c = rt.config().ok_or(IEK::NoConfigError)?;
let histfile = c.lookup("ui.cli.readline_history_file").ok_or(IEK::ConfigError)?;
let histsize = c.lookup("ui.cli.readline_history_size").ok_or(IEK::ConfigError)?;
let histigndups = c.lookup("ui.cli.readline_history_ignore_dups").ok_or(IEK::ConfigError)?;
let histignspace = c.lookup("ui.cli.readline_history_ignore_space").ok_or(IEK::ConfigError)?;
let prompt = c.lookup("ui.cli.readline_prompt").ok_or(IEK::ConfigError)?;
let histfile = histfile
.as_str()
.map(PathBuf::from)
.ok_or(IE::from_kind(IEK::ConfigTypeError))
.context(IEK::ConfigError)
.context(IEK::ReadlineError)?;
let histsize = histsize
.as_int()
.ok_or(IE::from_kind(IEK::ConfigTypeError))
.context(IEK::ConfigError)
.context(IEK::ReadlineError)?;
let histigndups = histigndups
.as_bool()
.ok_or(IE::from_kind(IEK::ConfigTypeError))
.context(IEK::ConfigError)
.context(IEK::ReadlineError)?;
let histignspace = histignspace
.as_bool()
.ok_or(IE::from_kind(IEK::ConfigTypeError))
.context(IEK::ConfigError)
.context(IEK::ReadlineError)?;
let prompt = prompt
.as_str()
.ok_or(IE::from_kind(IEK::ConfigTypeError))
.context(IEK::ConfigError)
.context(IEK::ReadlineError)?;
let config = Config::builder().
.max_history_size(histsize)
.history_ignore_dups(histigndups)
.history_ignore_space(histignspace)
.build();
let mut editor = Editor::new(config);
if !histfile.exists() {
let _ = File::create(histfile.clone())
.context(IEK::ReadlineHistoryFileCreationError)?;
}
let _ = editor.load_history(&histfile).context(ReadlineError)?;
Ok(Readline {
editor: editor,
history_file: histfile,
prompt: prompt,
})
}
pub fn read_line(&mut self) -> Result<Option<String>> {
use rustyline::ReadlineError;
use libimagutil::warn_result::*;
match self.editor.readline(&self.prompt) {
Ok(line) => {
self.editor.add_history_line(&line);
self.editor
.save_history(&self.history_file)
.map_warn_err_str(|e| format!("Could not save history file {} -> {:?}",
self.history_file.display(), e));
return line;
},
Err(ReadlineError::Interrupted) => {
info!("CTRL-C");
Ok(None)
},
Err(ReadlineError::Eof) => {
info!("CTRL-D");
Ok(None)
},
Err(err) => Err(err).map_err_into(ReadlineError),
}
}
}