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#
# Copyright (C) 2017 Codethink Limited
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
#
# Authors:
# Tristan Van Berkom <tristan.vanberkom@codethink.co.uk>
from .. import utils
from .optionflags import OptionFlags
# OptionEltMask
#
# A flags option which automatically only allows element
# names as values.
#
class OptionEltMask(OptionFlags):
OPTION_TYPE = 'element-mask'
def load(self, node):
# Ask the parent constructor to disallow value definitions,
# we define those automatically only.
super(OptionEltMask, self).load(node, allow_value_definitions=False)
# Here we want all valid elements as possible values,
# but we'll settle for just the relative filenames
# of files ending with ".bst" in the project element directory
def load_valid_values(self, node):
values = []
for filename in utils.list_relative_paths(self.pool.element_path):
if filename.endswith('.bst'):
values.append(filename)
return values