upstream/mercurial-mirror Files · mercurial/strutil.py

context: use new manifest.diff(clean=True) support...

context: use new manifest.diff(clean=True) support This further simplifies the status code. This simplification comes at a slight performance cost for `hg export`. Before, on mozilla-central: perfmanifest tip ! wall 0.265977 comb 0.260000 user 0.240000 sys 0.020000 (best of 38) perftags ! result: 162 ! wall 0.007172 comb 0.010000 user 0.000000 sys 0.010000 (best of 403) perfstatus ! wall 0.422302 comb 0.420000 user 0.260000 sys 0.160000 (best of 24) hgperf export tip ! wall 0.148706 comb 0.150000 user 0.150000 sys 0.000000 (best of 65) after, same repo: perfmanifest tip ! wall 0.267143 comb 0.270000 user 0.250000 sys 0.020000 (best of 37) perftags ! result: 162 ! wall 0.006943 comb 0.010000 user 0.000000 sys 0.010000 (best of 397) perfstatus ! wall 0.411198 comb 0.410000 user 0.260000 sys 0.150000 (best of 24) hgperf export tip ! wall 0.173229 comb 0.170000 user 0.170000 sys 0.000000 (best of 55) The next set of patches introduces a new manifest type implemented almost entirely in C, and more than makes up for the performance hit incurred in this change.

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             strutil.py
        
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      # 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 version 2 or any later version.

      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

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				# 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 version 2 or any later version.

				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