/brz/remove-bazaar

# Copyright (C) 2010 Canonical Ltd

# Copyright (C) 2010 Parth Malwankar <parth.malwankar@gmail.com>

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""bzr grep"""

from bzrlib.lazy_import import lazy_import

lazy_import(globals(), """

import os

import re

from bzrlib import (

    osutils,

    errors,

    lazy_regex,

    )

""")

def compile_pattern(pattern, flags=0):

    patternc = None

    try:

        # use python's re.compile as we need to catch re.error in case of bad pattern

        lazy_regex.reset_compile()

        patternc = re.compile(pattern, flags)

    except re.error, e:

        raise errors.BzrError("Invalid pattern: '%s'" % pattern)

    return patternc

def file_grep(tree, id, relpath, path, patternc, eol_marker, outf,

        line_number, revno, print_revno):

    if relpath:

        path = osutils.normpath(osutils.pathjoin(relpath, path))

        path = path.replace('\\', '/')

        path = path.replace(relpath + '/', '', 1)

    revfmt = ''

    if print_revno:

        revfmt = "~%s"

    fmt_with_n = path + revfmt + ":%d:%s" + eol_marker

    fmt_without_n = path + revfmt + ":%s" + eol_marker

    index = 1

    for line in tree.get_file_lines(id):

        res = patternc.search(line)

        if res:

            if line_number:

                if print_revno:

                    out = (revno, index, line.strip())

                else:

                    out = (index, line.strip())

                outf.write(fmt_with_n % out)

            else:

                if print_revno:

                    out = (revno, line.strip())

                else:

                    out = (line.strip(),)

                outf.write(fmt_without_n % out)

        index += 1