|
|
# grep.py - logic for history walk and grep
|
|
|
#
|
|
|
# Copyright 2005-2007 Matt Mackall <mpm@selenic.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
|
|
|
|
|
|
import difflib
|
|
|
|
|
|
from . import (
|
|
|
pycompat,
|
|
|
scmutil,
|
|
|
util,
|
|
|
)
|
|
|
|
|
|
|
|
|
def matchlines(body, regexp):
|
|
|
begin = 0
|
|
|
linenum = 0
|
|
|
while begin < len(body):
|
|
|
match = regexp.search(body, begin)
|
|
|
if not match:
|
|
|
break
|
|
|
mstart, mend = match.span()
|
|
|
linenum += body.count(b'\n', begin, mstart) + 1
|
|
|
lstart = body.rfind(b'\n', begin, mstart) + 1 or begin
|
|
|
begin = body.find(b'\n', mend) + 1 or len(body) + 1
|
|
|
lend = begin - 1
|
|
|
yield linenum, mstart - lstart, mend - lstart, body[lstart:lend]
|
|
|
|
|
|
|
|
|
class linestate(object):
|
|
|
def __init__(self, line, linenum, colstart, colend):
|
|
|
self.line = line
|
|
|
self.linenum = linenum
|
|
|
self.colstart = colstart
|
|
|
self.colend = colend
|
|
|
|
|
|
def __hash__(self):
|
|
|
return hash(self.line)
|
|
|
|
|
|
def __eq__(self, other):
|
|
|
return self.line == other.line
|
|
|
|
|
|
def findpos(self, regexp):
|
|
|
"""Iterate all (start, end) indices of matches"""
|
|
|
yield self.colstart, self.colend
|
|
|
p = self.colend
|
|
|
while p < len(self.line):
|
|
|
m = regexp.search(self.line, p)
|
|
|
if not m:
|
|
|
break
|
|
|
if m.end() == p:
|
|
|
p += 1
|
|
|
else:
|
|
|
yield m.span()
|
|
|
p = m.end()
|
|
|
|
|
|
|
|
|
def difflinestates(a, b):
|
|
|
sm = difflib.SequenceMatcher(None, a, b)
|
|
|
for tag, alo, ahi, blo, bhi in sm.get_opcodes():
|
|
|
if tag == 'insert':
|
|
|
for i in pycompat.xrange(blo, bhi):
|
|
|
yield (b'+', b[i])
|
|
|
elif tag == 'delete':
|
|
|
for i in pycompat.xrange(alo, ahi):
|
|
|
yield (b'-', a[i])
|
|
|
elif tag == 'replace':
|
|
|
for i in pycompat.xrange(alo, ahi):
|
|
|
yield (b'-', a[i])
|
|
|
for i in pycompat.xrange(blo, bhi):
|
|
|
yield (b'+', b[i])
|
|
|
|
|
|
|
|
|
class grepsearcher(object):
|
|
|
"""Search files and revisions for lines matching the given pattern"""
|
|
|
|
|
|
def __init__(self, ui, repo, regexp):
|
|
|
self._ui = ui
|
|
|
self._repo = repo
|
|
|
self._regexp = regexp
|
|
|
|
|
|
self._getfile = util.lrucachefunc(repo.file)
|
|
|
self._getrenamed = scmutil.getrenamedfn(repo)
|
|
|
|
|
|
self._matches = {}
|
|
|
self._copies = {}
|
|
|
self._skip = set()
|
|
|
self._revfiles = {}
|
|
|
|
