# attributes.py # # Copyright 2022 James Westman # # This file 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 3 of the # License, or (at your option) any later version. # # This file 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 program. If not, see . # # SPDX-License-Identifier: LGPL-3.0-or-later from .values import Value, TranslatedStringValue from .common import * class BaseAttribute(AstNode): """ A helper class for attribute syntax of the form `name: literal_value;`""" tag_name: str = "" attr_name: str = "name" @property def name(self): return self.tokens["name"] def emit_xml(self, xml: XmlEmitter): value = self.children[Value][0] attrs = { self.attr_name: self.name } if isinstance(value, TranslatedStringValue): attrs = { **attrs, **value.attrs } xml.start_tag(self.tag_name, **attrs) value.emit_xml(xml) xml.end_tag() class BaseTypedAttribute(BaseAttribute): """ A BaseAttribute whose parent has a value_type property that can assist in validation. """