Add filter: Version{Gt, Lt}

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

@@ -0,0 +1,46 @@
+use semver::Version;
+use toml::Value;
+
+use libimagstore::store::Entry;
+
+use builtin::header::field_path::FieldPath;
+use filter::Filter;
+
+pub struct VersionGt {
+    version: Version,
+}
+
+impl VersionGt {
+
+    pub fn new(version: Version) -> VersionGt {
+        VersionGt { version: version }
+    }
+
+}
+
+impl Filter for VersionGt {
+
+    fn filter(&self, e: &Entry) -> bool {
+        e.get_header()
+            .read("imag.version")
+            .map(|val| {
+                val.map(|v| {
+                    match v {
+                        Value::String(s) => {
+                            match Version::parse(&s[..]) {
+                                Ok(v) => v > self.version,
+                                _ => false
+                            }
+                        },
+                        _ => false,
+                    }
+                })
+                .unwrap_or(false)
+            })
+            .unwrap_or(false)
+    }
+
+}
+
+
+

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

@@ -0,0 +1,45 @@
+use semver::Version;
+use toml::Value;
+
+use libimagstore::store::Entry;
+
+use builtin::header::field_path::FieldPath;
+use filter::Filter;
+
+pub struct VersionLt {
+    version: Version,
+}
+
+impl VersionLt {
+
+    pub fn new(version: Version) -> VersionLt {
+        VersionLt { version: version }
+    }
+
+}
+
+impl Filter for VersionLt {
+
+    fn filter(&self, e: &Entry) -> bool {
+        e.get_header()
+            .read("imag.version")
+            .map(|val| {
+                val.map(|v| {
+                    match v {
+                        Value::String(s) => {
+                            match Version::parse(&s[..]) {
+                                Ok(v) => v < self.version,
+                                _ => false
+                            }
+                        },
+                        _ => false,
+                    }
+                })
+                .unwrap_or(false)
+            })
+            .unwrap_or(false)
+    }
+
+}
+
+

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

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