64 lines
2.1 KiB
Rust
64 lines
2.1 KiB
Rust
//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015, 2016 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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//! A diary viewer built on libimagentryview.
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use entry::Entry;
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use error::DiaryErrorKind as DEK;
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use error::MapErrInto;
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use result::Result;
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use libimagentryview::viewer::Viewer;
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use libimagentryview::builtin::plain::PlainViewer;
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/// This viewer does _not_ implement libimagentryview::viewer::Viewer because we need to be able to
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/// call some diary-type specific functions on the entries passed to this.
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///
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/// This type is mainly just written to be constructed-called-deleted in one go:
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///
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/// ```ignore
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/// DiaryViewer::new(show_header).view_entries(entries);
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/// ```
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///
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pub struct DiaryViewer(PlainViewer);
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impl DiaryViewer {
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pub fn new(show_header: bool) -> DiaryViewer {
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DiaryViewer(PlainViewer::new(show_header))
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}
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/// View all entries from the iterator, or stop immediately if an error occurs, returning that
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/// error.
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pub fn view_entries<'a, I: Iterator<Item = Entry<'a>>>(&self, entries: I) -> Result<()> {
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for entry in entries {
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let id = entry.diary_id();
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println!("{} :\n", id);
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let _ = try!(self.0
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.view_entry(&entry)
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.map_err_into(DEK::ViewError)
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.map_err_into(DEK::IOError));
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println!("\n---\n");
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}
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Ok(())
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}
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}
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