Add filter: VersionInRange, VersionOutOfRange

libimagentryfilter/src/builtin/header/version/mod.rs

@@ -1,3 +1,4 @@
 pub mod eq;
-pub mod lt;
 pub mod gt;
+pub mod lt;
+pub mod range;

libimagentryfilter/src/builtin/header/version/range.rs

@@ -0,0 +1,50 @@
+use semver::Version;
+
+use libimagstore::store::Entry;
+
+use builtin::header::version::gt::VersionGt;
+use builtin::header::version::lt::VersionLt;
+use filter::Filter;
+use ops::and::And;
+use ops::not::Not;
+
+pub struct VersionInRange {
+    and: And,
+}
+
+impl VersionInRange {
+
+    pub fn new(lowerbound: Version, upperbound: Version) -> VersionInRange {
+        VersionInRange { and: VersionGt::new(lowerbound).and(Box::new(VersionLt::new(upperbound))) }
+    }
+
+}
+
+impl Filter for VersionInRange {
+
+    fn filter(&self, e: &Entry) -> bool {
+        self.and.filter(e)
+    }
+
+}
+
+pub struct VersionOutOfRange {
+    not: Not
+}
+
+impl VersionOutOfRange {
+
+    pub fn new(lowerbound: Version, upperbound: Version) -> VersionOutOfRange {
+        VersionOutOfRange { not: VersionInRange::new(lowerbound, upperbound).not() }
+    }
+
+}
+
+impl Filter for VersionOutOfRange {
+
+    fn filter(&self, e: &Entry) -> bool {
+        self.not.filter(e)
+    }
+
+}
+