Mercurial > hg
view mercurial/pure/parsers.py @ 7983:7b813bdbd5d0
Change double spaces to single spaces in help texts.
author | Martin Geisler <mg@daimi.au.dk> |
---|---|
date | Sat, 04 Apr 2009 21:09:43 +0200 |
parents | 94d7e14cfa42 |
children | 46293a0c7e9f |
line wrap: on
line source
# parsers.py - Python implementation of parsers.c # # Copyright 2009 Matt Mackall <mpm@selenic.com> and others # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. from mercurial.node import bin, nullid, nullrev from mercurial import util import struct, zlib _pack = struct.pack _unpack = struct.unpack _compress = zlib.compress _decompress = zlib.decompress _sha = util.sha1 def parse_manifest(mfdict, fdict, lines): for l in lines.splitlines(): f, n = l.split('\0') if len(n) > 40: fdict[f] = n[40:] mfdict[f] = bin(n[:40]) else: mfdict[f] = bin(n) def parse_index(data, inline): def gettype(q): return int(q & 0xFFFF) def offset_type(offset, type): return long(long(offset) << 16 | type) indexformatng = ">Qiiiiii20s12x" s = struct.calcsize(indexformatng) index = [] cache = None nodemap = {nullid: nullrev} n = off = 0 # if we're not using lazymap, always read the whole index l = len(data) - s append = index.append if inline: cache = (0, data) while off <= l: e = _unpack(indexformatng, data[off:off + s]) nodemap[e[7]] = n append(e) n += 1 if e[1] < 0: break off += e[1] + s else: while off <= l: e = _unpack(indexformatng, data[off:off + s]) nodemap[e[7]] = n append(e) n += 1 off += s e = list(index[0]) type = gettype(e[0]) e[0] = offset_type(0, type) index[0] = tuple(e) # add the magic null revision at -1 index.append((0, 0, 0, -1, -1, -1, -1, nullid)) return index, nodemap, cache def parse_dirstate(dmap, copymap, st): parents = [st[:20], st[20: 40]] # deref fields so they will be local in loop format = ">cllll" e_size = struct.calcsize(format) pos1 = 40 l = len(st) # the inner loop while pos1 < l: pos2 = pos1 + e_size e = _unpack(">cllll", st[pos1:pos2]) # a literal here is faster pos1 = pos2 + e[4] f = st[pos2:pos1] if '\0' in f: f, c = f.split('\0') copymap[f] = c dmap[f] = e[:4] return parents