diff mercurial/strutil.py @ 2959:3d5547845158

fix issue 322. do not allow to add files that shadow files or directories already in dirstate.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Fri, 18 Aug 2006 21:03:29 -0700
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mercurial/strutil.py	Fri Aug 18 21:03:29 2006 -0700
@@ -0,0 +1,34 @@
+# strutil.py - string utilities for Mercurial
+#
+# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
+#
+# This software may be used and distributed according to the terms
+# of the GNU General Public License, incorporated herein by reference.
+
+def findall(haystack, needle, start=0, end=None):
+    if end is None:
+        end = len(haystack)
+    if end < 0:
+        end += len(haystack)
+    if start < 0:
+        start += len(haystack)
+    while start < end:
+        c = haystack.find(needle, start, end)
+        if c == -1:
+            break
+        yield c
+        start = c + 1
+
+def rfindall(haystack, needle, start=0, end=None):
+    if end is None:
+        end = len(haystack)
+    if end < 0:
+        end += len(haystack)
+    if start < 0:
+        start += len(haystack)
+    while end >= 0:
+        c = haystack.rfind(needle, start, end)
+        if c == -1:
+            break
+        yield c
+        end = c - 1