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Diffstat (limited to 'lib/entry/libimagentryannotation/src/iter.rs')
-rw-r--r-- | lib/entry/libimagentryannotation/src/iter.rs | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/lib/entry/libimagentryannotation/src/iter.rs b/lib/entry/libimagentryannotation/src/iter.rs deleted file mode 100644 index e7601a9c..00000000 --- a/lib/entry/libimagentryannotation/src/iter.rs +++ /dev/null @@ -1,77 +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 toml_query::read::TomlValueReadTypeExt; - -use libimagstore::store::Store; -use libimagstore::store::FileLockEntry; -use libimagstore::storeid::StoreIdIterator; -use libimagerror::errors::ErrorMsg as EM; - -use failure::Fallible as Result; -use failure::ResultExt; -use failure::Error; -use failure::err_msg; - -#[derive(Debug)] -pub struct AnnotationIter<'a>(StoreIdIterator, &'a Store); - -impl<'a> AnnotationIter<'a> { - - pub fn new(iter: StoreIdIterator, store: &'a Store) -> AnnotationIter<'a> { - AnnotationIter(iter, store) - } - -} - -impl<'a> Iterator for AnnotationIter<'a> { - type Item = Result<FileLockEntry<'a>>; - - fn next(&mut self) -> Option<Self::Item> { - loop { - match self.0.next() { - None => return None, // iterator consumed - Some(Err(e)) => return Some(Err(e).map_err(Error::from)), - Some(Ok(id)) => match self.1.get(id) { - Err(e) => { - return Some(Err(e) - .context(err_msg("Store read error")) - .map_err(Error::from)) - }, - Ok(Some(entry)) => { - match entry - .get_header() - .read_bool("annotation.is_annotation") - .context(EM::EntryHeaderReadError) - .map_err(Error::from) - { - Ok(None) => continue, // not an annotation - Ok(Some(false)) => continue, - Ok(Some(true)) => return Some(Ok(entry)), - Err(e) => return Some(Err(e)), - } - }, - Ok(None) => continue, - } - } - } - } - -} - |