upstream/mercurial-mirror Files · mercurial/cffi/mpatch.py

hgweb: refresh styling of gitweb's search form...

hgweb: refresh styling of gitweb's search form gitweb was missing the hint hover box. So that was added. Also, the positioning of the form was absolute and it didn't vertically align on all pages. The element has been moved inline with the navigation links (which now are contained in a div) and flexbox is used to obtain sane alignment of the navigation links and search form. For those new to flexbox, "justify-content: space-between" basically says to maximize space elements. You can use it to easily get left and right justified containers without having to worry about width, floating, etc. "align-items: center" centers all items in a cross-axis. I've literally wasted hours trying to figure out both these problems before flexbox. Flexbox is amazing. Flexbox has been supported by Chrome and Firefox for a few years. But it is only supported by IE 11. I'm willing to wager that people using this either won't be using IE or will be using IE 11. So I'm willing to be a bit aggressive in adopting flexbox because it makes CSS alignment so much easier.

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      # mpatch.py - CFFI implementation of mpatch.c

      #

      # Copyright 2016 Maciej Fijalkowski <fijall@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.

      from __future__ import absolute_import

      from ..pure.mpatch import *

      from ..pure.mpatch import mpatchError  # silence pyflakes

      from . import _mpatch

      ffi = _mpatch.ffi

      lib = _mpatch.lib

      @ffi.def_extern()

      def cffi_get_next_item(arg, pos):

          all, bins = ffi.from_handle(arg)

          container = ffi.new("struct mpatch_flist*[1]")

          to_pass = ffi.new("char[]", str(bins[pos]))

          all.append(to_pass)

          r = lib.mpatch_decode(to_pass, len(to_pass) - 1, container)

          if r < 0:

              return ffi.NULL

          return container[0]

      def patches(text, bins):

          lgt = len(bins)

          all = []

          if not lgt:

              return text

          arg = (all, bins)

          patch = lib.mpatch_fold(ffi.new_handle(arg),

                                  lib.cffi_get_next_item, 0, lgt)

          if not patch:

              raise mpatchError("cannot decode chunk")

          outlen = lib.mpatch_calcsize(len(text), patch)

          if outlen < 0:

              lib.mpatch_lfree(patch)

              raise mpatchError("inconsistency detected")

          buf = ffi.new("char[]", outlen)

          if lib.mpatch_apply(buf, text, len(text), patch) < 0:

              lib.mpatch_lfree(patch)

              raise mpatchError("error applying patches")

          res = ffi.buffer(buf, outlen)[:]

          lib.mpatch_lfree(patch)

          return res

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				# mpatch.py - CFFI implementation of mpatch.c
				#
				# Copyright 2016 Maciej Fijalkowski <fijall@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.

				from __future__ import absolute_import

				from ..pure.mpatch import *
				from ..pure.mpatch import mpatchError # silence pyflakes
				from . import _mpatch

				ffi = _mpatch.ffi
				lib = _mpatch.lib

				@ffi.def_extern()
				def cffi_get_next_item(arg, pos):
				all, bins = ffi.from_handle(arg)
				container = ffi.new("struct mpatch_flist*[1]")
				to_pass = ffi.new("char[]", str(bins[pos]))
				all.append(to_pass)
				r = lib.mpatch_decode(to_pass, len(to_pass) - 1, container)
				if r < 0:
				return ffi.NULL
				return container[0]

				def patches(text, bins):
				lgt = len(bins)
				all = []
				if not lgt:
				return text
				arg = (all, bins)
				patch = lib.mpatch_fold(ffi.new_handle(arg),
				lib.cffi_get_next_item, 0, lgt)
				if not patch:
				raise mpatchError("cannot decode chunk")
				outlen = lib.mpatch_calcsize(len(text), patch)
				if outlen < 0:
				lib.mpatch_lfree(patch)
				raise mpatchError("inconsistency detected")
				buf = ffi.new("char[]", outlen)
				if lib.mpatch_apply(buf, text, len(text), patch) < 0:
				lib.mpatch_lfree(patch)
				raise mpatchError("error applying patches")
				res = ffi.buffer(buf, outlen)[:]
				lib.mpatch_lfree(patch)
				return res