annotate mercurial/cffi/mpatch.py @ 42760:9f2189b6bf2a

config: add experimental argument to the config registrar Until now, there are almost 28 config items which are considered as `experimental` but, not present in the `experimental` section of the registrar. This patch adds an `experimental` argument to the config registrar to mark such config items. Differential Revision: https://phab.mercurial-scm.org/D6728 Differential Revision: https://phab.mercurial-scm.org/D6746
author Navaneeth Suresh <navaneeths1998@gmail.com>
date Tue, 20 Aug 2019 18:35:16 +0300
parents 857876ebaed4
children 2372284d9457
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
32512
0e8b0b9a7acc cffi: split modules from pure
Yuya Nishihara <yuya@tcha.org>
parents: 32506
diff changeset
1 # mpatch.py - CFFI implementation of mpatch.c
7699
fac054f84600 pure Python implementation of mpatch.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
2 #
32512
0e8b0b9a7acc cffi: split modules from pure
Yuya Nishihara <yuya@tcha.org>
parents: 32506
diff changeset
3 # Copyright 2016 Maciej Fijalkowski <fijall@gmail.com>
7699
fac054f84600 pure Python implementation of mpatch.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
4 #
8225
46293a0c7e9f updated license to be explicit about GPL version 2
Martin Geisler <mg@lazybytes.net>
parents: 7775
diff changeset
5 # This software may be used and distributed according to the terms of the
10263
25e572394f5c Update license to GPLv2+
Matt Mackall <mpm@selenic.com>
parents: 8225
diff changeset
6 # GNU General Public License version 2 or any later version.
7699
fac054f84600 pure Python implementation of mpatch.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
7
27337
9a17576103a4 mpatch: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 16683
diff changeset
8 from __future__ import absolute_import
9a17576103a4 mpatch: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 16683
diff changeset
9
32512
0e8b0b9a7acc cffi: split modules from pure
Yuya Nishihara <yuya@tcha.org>
parents: 32506
diff changeset
10 from ..pure.mpatch import *
0e8b0b9a7acc cffi: split modules from pure
Yuya Nishihara <yuya@tcha.org>
parents: 32506
diff changeset
11 from ..pure.mpatch import mpatchError # silence pyflakes
0e8b0b9a7acc cffi: split modules from pure
Yuya Nishihara <yuya@tcha.org>
parents: 32506
diff changeset
12 from . import _mpatch
7699
fac054f84600 pure Python implementation of mpatch.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
13
32512
0e8b0b9a7acc cffi: split modules from pure
Yuya Nishihara <yuya@tcha.org>
parents: 32506
diff changeset
14 ffi = _mpatch.ffi
0e8b0b9a7acc cffi: split modules from pure
Yuya Nishihara <yuya@tcha.org>
parents: 32506
diff changeset
15 lib = _mpatch.lib
7699
fac054f84600 pure Python implementation of mpatch.c
Martin Geisler <mg@daimi.au.dk>
parents:
diff changeset
16
32513
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
17 @ffi.def_extern()
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
18 def cffi_get_next_item(arg, pos):
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
19 all, bins = ffi.from_handle(arg)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
20 container = ffi.new("struct mpatch_flist*[1]")
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
21 to_pass = ffi.new("char[]", str(bins[pos]))
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
22 all.append(to_pass)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
23 r = lib.mpatch_decode(to_pass, len(to_pass) - 1, container)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
24 if r < 0:
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
25 return ffi.NULL
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
26 return container[0]
29695
f2846d546645 mpatch: write a cffi version of mpatch.patches
Maciej Fijalkowski <fijall@gmail.com>
parents: 28861
diff changeset
27
32513
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
28 def patches(text, bins):
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
29 lgt = len(bins)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
30 all = []
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
31 if not lgt:
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
32 return text
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
33 arg = (all, bins)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
34 patch = lib.mpatch_fold(ffi.new_handle(arg),
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
35 lib.cffi_get_next_item, 0, lgt)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
36 if not patch:
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
37 raise mpatchError("cannot decode chunk")
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
38 outlen = lib.mpatch_calcsize(len(text), patch)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
39 if outlen < 0:
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
40 lib.mpatch_lfree(patch)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
41 raise mpatchError("inconsistency detected")
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
42 buf = ffi.new("char[]", outlen)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
43 if lib.mpatch_apply(buf, text, len(text), patch) < 0:
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
44 lib.mpatch_lfree(patch)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
45 raise mpatchError("error applying patches")
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
46 res = ffi.buffer(buf, outlen)[:]
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
47 lib.mpatch_lfree(patch)
25b37900d6e0 cffi: remove superfluous "if True" blocks
Yuya Nishihara <yuya@tcha.org>
parents: 32512
diff changeset
48 return res