From d9b205c935035b7d0116c677c76a40878900cd35 Mon Sep 17 00:00:00 2001
From: William Ting <io@williamting.com>
Date: Tue, 17 Dec 2013 10:35:43 -0600
Subject: [PATCH] implement smartcase detection

---
 bin/autojump | 9 ++++++++-
 bin/utils.py | 5 +++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/bin/autojump b/bin/autojump
index 3e6929c..8daca9d 100755
--- a/bin/autojump
+++ b/bin/autojump
@@ -40,6 +40,7 @@ from data import save
 from utils import decode
 from utils import encode_local
 from utils import first
+from utils import has_uppercase
 from utils import is_osx
 from utils import print_entry
 
@@ -200,10 +201,11 @@ def find_matches(config, needles, count=1):
     if not needles:
         return first(data).path
 
+    ignore_case = detect_smartcase(needles)
     sanitize = lambda x: decode(x).rstrip(os.sep)
     needles = imap(sanitize, needles)
 
-    exact_matches = match_exact_regex(needles, data)
+    exact_matches = match_exact_regex(needles, data, ignore_case)
 
     return first(exact_matches).path
 
@@ -255,6 +257,11 @@ def print_stats(config):
     print("\ndata:\t %s" % config['data_path'])
 
 
+def detect_smartcase(strings):
+    """Detect if any uppercase letters are present in any of the strings."""
+    return not any(imap(has_uppercase, strings))
+
+
 def main():
     parse_args(parse_env(set_defaults()))
     return 0
diff --git a/bin/utils.py b/bin/utils.py
index 5ed3fe5..dc616a7 100644
--- a/bin/utils.py
+++ b/bin/utils.py
@@ -10,6 +10,7 @@ import os
 import platform
 import shutil
 import sys
+import unicodedata
 
 
 def create_dir(path):
@@ -50,6 +51,10 @@ def first(xs):
         return None
 
 
+def has_uppercase(string):
+    return any(unicodedata.category(c) == 'Lu' for c in unicode(string))
+
+
 def is_python2():
     return sys.version_info[0] == 2