mercurial/strutil.py
author Patrick Mezard <pmezard@gmail.com>
Sat, 16 Feb 2008 11:55:33 +0100
changeset 6100 49c69e1e4aa2
parent 2953 3d5547845158
child 7073 af1117f37fa7
permissions -rw-r--r--
convert: fix --datesort ordering Two branches a and b starting at root, with commits interleaved like: root a0 a1 b0 a2 a3 b1 were converted in the following order: root a0 b0 a1 b1 a2 a3 Replace depth based toposort with a more classic traversal method.

# 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