annotate mercurial/strutil.py @ 3420:52617d992eed

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author Matt Mackall <mpm@selenic.com>
date Tue, 17 Oct 2006 18:30:18 -0500
parents 3d5547845158
children
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1 # strutil.py - string utilities for Mercurial
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2 #
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3 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 def findall(haystack, needle, start=0, end=None):
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9 if end is None:
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10 end = len(haystack)
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11 if end < 0:
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12 end += len(haystack)
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13 if start < 0:
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14 start += len(haystack)
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15 while start < end:
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16 c = haystack.find(needle, start, end)
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17 if c == -1:
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18 break
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19 yield c
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20 start = c + 1
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21
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22 def rfindall(haystack, needle, start=0, end=None):
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23 if end is None:
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24 end = len(haystack)
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25 if end < 0:
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26 end += len(haystack)
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27 if start < 0:
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28 start += len(haystack)
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29 while end >= 0:
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30 c = haystack.rfind(needle, start, end)
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31 if c == -1:
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32 break
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33 yield c
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34 end = c - 1