From 41bca58100260323e54ff83e5bc74dd920beabcd Mon Sep 17 00:00:00 2001
From: Marcus Klaas <mail@marcusklaas.nl>
Date: Fri, 14 Aug 2015 14:09:19 +0200
Subject: Format paths

---
 src/utils.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/utils.rs')

diff --git a/src/utils.rs b/src/utils.rs
index 3ff30da9784..59f85b3ad27 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -15,6 +15,16 @@ use comment::FindUncommented;
 
 use SKIP_ANNOTATION;
 
+// Computes the length of a string's last line, minus offset.
+#[inline]
+pub fn extra_offset(text: &str, offset: usize) -> usize {
+    match text.rfind('\n') {
+        // 1 for newline character
+        Some(idx) => text.len() - idx - 1 - offset,
+        None => text.len()
+    }
+}
+
 #[inline]
 pub fn span_after(original: Span, needle: &str, codemap: &CodeMap) -> BytePos {
     let snippet = codemap.span_to_snippet(original).unwrap();
-- 
cgit 1.4.1-3-g733a5