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//
// 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 chrono::naive::NaiveDateTime as NDT;
use failure::Fallible as Result;
use failure::Error;
use failure::err_msg;
use crate::tag::TimeTrackingTag as TTT;
use crate::iter::storeid::TagStoreIdIter;
use libimagentrytag::tag::is_tag_str;
pub struct TagIter(Box<dyn Iterator<Item = String>>);
impl TagIter {
pub fn new(i: Box<dyn Iterator<Item = String>>) -> TagIter {
TagIter(i)
}
pub fn create_storeids(self, datetime: NDT) -> TagStoreIdIter {
TagStoreIdIter::new(self, datetime)
}
}
impl Iterator for TagIter {
type Item = Result<TTT>;
fn next(&mut self) -> Option<Self::Item> {
self.0
.next()
.map(|t| if is_tag_str(&t).is_ok() {
Ok(TTT::from(t))
} else {
Err(Error::from(err_msg("Error in Tag format")))
})
}
}
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