91 lines
2.7 KiB
Rust
91 lines
2.7 KiB
Rust
//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015-2018 Matthias Beyer <mail@beyermatthias.de> and contributors
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version
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// 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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use libimagrt::runtime::Runtime;
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use libimagstore::store::Entry;
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use failure::Fallible as Result;
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use failure::Error;
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use failure::ResultExt;
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use failure::err_msg;
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use libimagerror::errors::ErrorMsg as EM;
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pub trait Edit {
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fn edit_content(&mut self, rt: &Runtime) -> Result<()>;
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}
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pub trait EditHeader : Edit {
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fn edit_header(&mut self, rt: &Runtime) -> Result<()>;
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fn edit_header_and_content(&mut self, rt: &Runtime) -> Result<()>;
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}
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impl Edit for String {
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fn edit_content(&mut self, rt: &Runtime) -> Result<()> {
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edit_in_tmpfile(rt, self).map(|_| ())
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}
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}
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impl Edit for Entry {
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fn edit_content(&mut self, rt: &Runtime) -> Result<()> {
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edit_in_tmpfile(rt, self.get_content_mut())
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.map(|_| ())
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}
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}
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impl EditHeader for Entry {
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fn edit_header(&mut self, rt: &Runtime) -> Result<()> {
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let mut header = ::toml::ser::to_string_pretty(self.get_header())?;
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let _ = edit_in_tmpfile(rt, &mut header)?;
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let header = ::toml::de::from_str(&header)?;
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*self.get_header_mut() = header;
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Ok(())
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}
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fn edit_header_and_content(&mut self, rt: &Runtime) -> Result<()> {
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let mut header_and_content = self.to_str()?;
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let _ = edit_in_tmpfile(rt, &mut header_and_content)?;
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self.replace_from_buffer(&header_and_content).map_err(Error::from)
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}
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}
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pub fn edit_in_tmpfile(rt: &Runtime, s: &mut String) -> Result<()> {
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use libimagutil::edit::edit_in_tmpfile_with_command;
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let editor = rt
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.editor()
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.context(err_msg("No editor"))?
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.ok_or_else(|| Error::from(err_msg("No editor")))?;
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edit_in_tmpfile_with_command(editor, s)
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.context(EM::IO)
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.map_err(Error::from)
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.and_then(|worked| if !worked {
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Err(Error::from(EM::ExternalProcessError))
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} else {
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Ok(())
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})
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}
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