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path: root/lib/domain/libimagtodo/src/iter.rs
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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2018 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 libimagstore::storeid::StoreIdIterator;
use libimagstore::storeid::StoreId;

pub struct TaskIdIterator(StoreIdIterator);

impl TaskIdIterator {

    pub fn new(inner: StoreIdIterator) -> Self {
        TaskIdIterator(inner)
    }

}

impl Iterator for TaskIdIterator {
    type Item = StoreId;

    fn next(&mut self) -> Option<Self::Item> {
        loop {
            match self.0.next() {
                None    => return None,
                Some(n) => if n.is_in_collection(&["todo", "taskwarrior"]) {
                    return Some(n)
                }, // else continue
            }
        }
    }

}