82 lines
3.3 KiB
Python
82 lines
3.3 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU 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 License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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from typing import Literal, Union
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import ifcopenshell.ifcopenshell_wrapper as ifcopenshell_wrapper
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PrimitiveType = Literal["entity", "string", "float", "integer", "boolean", "enum", "binary"]
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ComplexPrimitiveType = Literal["list", "array", "set"]
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PrimitiveTypeOutput = Union[
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PrimitiveType,
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tuple[ComplexPrimitiveType, "PrimitiveTypeOutput"],
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tuple[Literal["select"], tuple["PrimitiveTypeOutput", ...]],
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None,
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]
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def get_primitive_type(
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attribute_or_data_type: Union[ifcopenshell_wrapper.attribute, ifcopenshell_wrapper.parameter_type],
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) -> PrimitiveTypeOutput:
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if isinstance(attribute_or_data_type, ifcopenshell_wrapper.attribute):
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data_type = str(attribute_or_data_type.type_of_attribute())
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else:
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data_type = str(attribute_or_data_type)
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if data_type.find("<type") == 0:
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return get_primitive_type(data_type[data_type[1:].find("<") + 1 :])
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elif data_type.find("<list") == 0:
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return ("list", get_primitive_type(data_type[data_type[1:].find("<") + 1 :]))
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elif data_type.find("<array") == 0:
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return ("array", get_primitive_type(data_type[data_type[1:].find("<") + 1 :]))
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elif data_type.find("<set") == 0:
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return ("set", get_primitive_type(data_type[data_type[1:].find("<") + 1 :]))
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elif data_type.find("<select") == 0:
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select_definition = data_type[data_type.find("(") + 1 : data_type.find(")")].split("|")
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select_types = [get_primitive_type(d.strip()) for d in select_definition]
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return ("select", tuple(select_types))
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elif "<entity" in data_type:
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return "entity"
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elif "<string>" in data_type:
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return "string"
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elif "<real>" in data_type:
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return "float"
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elif "<number>" in data_type or "<integer>" in data_type:
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return "integer"
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elif "<boolean>" in data_type:
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return "boolean"
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elif "<logical>" in data_type or "<enumeration" in data_type:
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return "enum"
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elif "<binary" in data_type:
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return "binary"
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def get_enum_items(attribute: ifcopenshell_wrapper.attribute) -> tuple[str, ...]:
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named_type = attribute.type_of_attribute().as_named_type()
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assert named_type
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enumeration = named_type.declared_type().as_enumeration_type()
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assert enumeration
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return enumeration.enumeration_items()
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def get_select_items(attribute: ifcopenshell_wrapper.attribute) -> tuple[ifcopenshell_wrapper.declaration, ...]:
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named_type = attribute.type_of_attribute().as_named_type()
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assert named_type
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select_type = named_type.declared_type().as_select_type()
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assert select_type
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return select_type.select_list()
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