/brz/remove-bazaar

# Copyright (C) 2005-2009 Jelmer Vernooij <jelmer@samba.org>

# 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, see <http://www.gnu.org/licenses/>.

from bzrlib import (

    osutils,

    )

from bzrlib.versionedfile import (

    VirtualVersionedFiles,

    )

from bzrlib.errors import (

    NoSuchRevision,

    )

class VirtualRevisionTexts(VirtualVersionedFiles):

    """Virtual revisions backend."""

    def __init__(self, repository):

        self.repository = repository

        super(VirtualRevisionTexts, self).__init__(self.repository._make_parents_provider().get_parent_map, self.get_lines)

    def get_lines(self, key):

        try:

            return osutils.split_lines(self.repository.get_revision_xml(key))

        except NoSuchRevision:

            return None

    # TODO: annotate

    def keys(self):

        return self.repository.all_revision_ids()

class VirtualInventoryTexts(VirtualVersionedFiles):

    """Virtual inventories backend."""

    def __init__(self, repository):

        self.repository = repository

        super(VirtualInventoryTexts, self).__init__(self.repository._make_parents_provider().get_parent_map, self.get_lines)

    def get_lines(self, key):

        try:

            return osutils.split_lines(self.repository.get_inventory_xml(key))

        except NoSuchRevision:

            return None

    def keys(self):

        return self.repository.all_revision_ids()

    # TODO: annotate

class VirtualSignatureTexts(VirtualVersionedFiles):

    """Virtual signatures backend."""

    def __init__(self, repository):

        self.repository = repository

        super(VirtualSignatureTexts, self).__init__(self.repository._make_parents_provider().get_parent_map, self.get_lines)

    def get_lines(self, key):

        try:

            return osutils.split_lines(self.repository.get_signature_text(key))

        except NoSuchRevision:

            return None

    def keys(self):

        return self.repository.all_revision_ids()

    # TODO: annotate