From bd3e7eedb1d8698a46e18afd2041e675f6597947 Mon Sep 17 00:00:00 2001
From: Daniel Luz <dev@mernen.com>
Date: Sat, 19 Nov 2016 21:48:59 -0200
Subject: Add --files-without-matches flag.

Performs the opposite of --files-with-matches: only shows paths of
files that contain zero matches.

Closes #138
---
 src/worker.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/worker.rs')

diff --git a/src/worker.rs b/src/worker.rs
index 0ade140a..23ed7549 100644
--- a/src/worker.rs
+++ b/src/worker.rs
@@ -31,6 +31,7 @@ struct Options {
     before_context: usize,
     count: bool,
     files_with_matches: bool,
+    files_without_matches: bool,
     eol: u8,
     invert_match: bool,
     line_number: bool,
@@ -48,6 +49,7 @@ impl Default for Options {
             before_context: 0,
             count: false,
             files_with_matches: false,
+            files_without_matches: false,
             eol: b'\n',
             invert_match: false,
             line_number: false,
@@ -112,6 +114,14 @@ impl WorkerBuilder {
         self
     }
 
+    /// If enabled, searching will print the path of files without any matches.
+    ///
+    /// Disabled by default.
+    pub fn files_without_matches(mut self, yes: bool) -> Self {
+        self.opts.files_without_matches = yes;
+        self
+    }
+
     /// Set the end-of-line byte used by this searcher.
     pub fn eol(mut self, eol: u8) -> Self {
         self.opts.eol = eol;
@@ -230,6 +240,7 @@ impl Worker {
             .before_context(self.opts.before_context)
             .count(self.opts.count)
             .files_with_matches(self.opts.files_with_matches)
+            .files_without_matches(self.opts.files_without_matches)
             .eol(self.opts.eol)
             .line_number(self.opts.line_number)
             .invert_match(self.opts.invert_match)
@@ -260,6 +271,7 @@ impl Worker {
         Ok(searcher
             .count(self.opts.count)
             .files_with_matches(self.opts.files_with_matches)
+            .files_without_matches(self.opts.files_without_matches)
             .eol(self.opts.eol)
             .line_number(self.opts.line_number)
             .invert_match(self.opts.invert_match)
-- 
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