summaryrefslogtreecommitdiffstats
path: root/lib/entry/libimagentryfilter/src/builtin/content/grep.rs
diff options
context:
space:
mode:
Diffstat (limited to 'lib/entry/libimagentryfilter/src/builtin/content/grep.rs')
-rw-r--r--lib/entry/libimagentryfilter/src/builtin/content/grep.rs72
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/entry/libimagentryfilter/src/builtin/content/grep.rs b/lib/entry/libimagentryfilter/src/builtin/content/grep.rs
new file mode 100644
index 00000000..02039fba
--- /dev/null
+++ b/lib/entry/libimagentryfilter/src/builtin/content/grep.rs
@@ -0,0 +1,72 @@
+//
+// 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 filters::filter::Filter;
+use regex::Regex;
+use regex::Error as RError;
+
+use libimagstore::store::Entry;
+
+pub trait IntoRegex {
+
+ fn into_regex(self) -> Result<Regex, RError>;
+
+}
+
+impl<'a> IntoRegex for &'a str {
+
+ fn into_regex(self) -> Result<Regex, RError> {
+ Regex::new(self)
+ }
+}
+
+impl<'a> IntoRegex for Regex {
+
+ fn into_regex(self) -> Result<Regex, RError> {
+ Ok(self)
+ }
+}
+
+pub struct ContentGrep {
+ regex: Regex,
+}
+
+impl ContentGrep {
+
+ pub fn new<IR>(regex: IR) -> Result<ContentGrep, RError>
+ where IR: IntoRegex
+ {
+ regex.into_regex()
+ .map(|reg| {
+ ContentGrep {
+ regex: reg,
+ }
+ })
+ }
+
+}
+
+impl Filter<Entry> for ContentGrep {
+
+ fn filter(&self, e: &Entry) -> bool {
+ self.regex.captures(&e.get_content()[..]).is_some()
+ }
+
+}
+