Mercurial > hg
view mercurial/cffi/mpatch.py @ 41650:f8b18583049f
add: pass around uipathfn and use instead of m.rel() (API)
For now, the uipathfn we pass around always prints relative paths just
like before, so this should have no effect. Well, there's one little
change: I also made the "skipping missing subrepository: %s\n" message
relative.
Differential Revision: https://phab.mercurial-scm.org/D5901
author | Martin von Zweigbergk <martinvonz@google.com> |
---|---|
date | Thu, 07 Feb 2019 11:15:30 -0800 |
parents | 857876ebaed4 |
children | 2372284d9457 |
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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