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54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
# attributes.py
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#
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# Copyright 2022 James Westman <james@jwestman.net>
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# SPDX-License-Identifier: LGPL-3.0-or-later
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from .values import Value, TranslatedStringValue
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from .common import *
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class BaseAttribute(AstNode):
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""" A helper class for attribute syntax of the form `name: literal_value;`"""
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tag_name: str = ""
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attr_name: str = "name"
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@property
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def name(self):
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return self.tokens["name"]
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def extra_attributes(self):
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return {}
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def emit_xml(self, xml: XmlEmitter):
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value = self.children[Value][0]
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attrs = { self.attr_name: self.name }
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if isinstance(value, TranslatedStringValue):
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attrs = { **attrs, **value.attrs }
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attrs = { **attrs, **self.extra_attributes() }
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xml.start_tag(self.tag_name, **attrs)
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value.emit_xml(xml)
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xml.end_tag()
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class BaseTypedAttribute(BaseAttribute):
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""" A BaseAttribute whose parent has a value_type property that can assist
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in validation. """
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