diff options
Diffstat (limited to 'lib/entry/libimagentryfilter/src/builtin/header/version/lt.rs')
-rw-r--r-- | lib/entry/libimagentryfilter/src/builtin/header/version/lt.rs | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/lib/entry/libimagentryfilter/src/builtin/header/version/lt.rs b/lib/entry/libimagentryfilter/src/builtin/header/version/lt.rs new file mode 100644 index 00000000..c475b436 --- /dev/null +++ b/lib/entry/libimagentryfilter/src/builtin/header/version/lt.rs @@ -0,0 +1,63 @@ +// +// imag - the personal information management suite for the commandline +// Copyright (C) 2015, 2016 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 semver::Version; +use toml::Value; + +use libimagstore::store::Entry; +use libimagstore::toml_ext::TomlValueExt; + +use filters::filter::Filter; + +pub struct VersionLt { + version: Version, +} + +impl VersionLt { + + pub fn new(version: Version) -> VersionLt { + VersionLt { version: version } + } + +} + +impl Filter<Entry> for VersionLt { + + fn filter(&self, e: &Entry) -> bool { + e.get_header() + .read("imag.version") + .map(|val| { + val.map_or(false, |v| { + match v { + Value::String(s) => { + match Version::parse(&s[..]) { + Ok(v) => v < self.version, + _ => false + } + }, + _ => false, + } + }) + }) + .unwrap_or(false) + } + +} + + |