From a516e78bcf76f07545310332290b6c5443d437a7 Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Wed, 9 Mar 2011 04:56:53 +0100
Subject: Some optimizations in build_new_message. Also cleaned up. Added an
 optimized way to do "wcswidth(string) > n": wcsislonger. And should use less
 memory because the dict replacing Message and Lines object stores ONLY the
 needed attributes.

---
 src/wcwidth.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/wcwidth.py')

diff --git a/src/wcwidth.py b/src/wcwidth.py
index b72c3ca3..bb0c456e 100644
--- a/src/wcwidth.py
+++ b/src/wcwidth.py
@@ -233,6 +233,22 @@ def wcswidth(s):
             width += w
     return width
 
+def wcsislonger(s, l):
+    """
+    Returns the same result than "wcswidth(s) > l" but
+    is faster.
+    """
+    width = 0
+    for c in s:
+        w = wcwidth(c)
+        if w < 0:
+            return -1
+        else:
+            width += w
+            if width > l:
+                return True
+    return False
+
 def widthcut(s, m):
     """
     Return the first characters of s that can be contained in
-- 
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