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saptadi73
2026-05-31 10:17:09 +07:00
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.venv/Lib/site-packages/ifcopenshell/express/header.py
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# IfcOpenShell - IFC toolkit and geometry engine
# Copyright (C) 2021 Thomas Krijnen <thomas@aecgeeks.com>
#
# This file is part of IfcOpenShell.
#
# IfcOpenShell 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.
#
# IfcOpenShell 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 IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
import operator
import itertools
import codegen
import templates
import documentation
from collections import defaultdict
USE_VIRTUAL_INHERITANCE = True
class Header(codegen.Base):
def __init__(self, mapping):
declarations = []
case_lookup = lambda nm: [k for k in mapping.schema.keys if k.lower() == nm.lower()][0]
case_normalize = lambda nm: nm if nm.startswith("IfcUtil::") else case_lookup(nm)
create_supertype_statement = lambda nms: ", ".join(
"public %s %s" % ("" if c.startswith("IfcUtil::") else "", c) for c in nms
)
write = lambda str, **kwargs: declarations.append(
str
% dict({"documentation": templates.multi_line_comment(documentation.description(kwargs["name"]))}, **kwargs)
)
forward_names = list(mapping.schema.entities.keys()) + list(mapping.schema.simpletypes.keys())
forward_definitions = "".join(["class %s; " % n for n in forward_names])
select_super_types = defaultdict(list)
for name, type in mapping.schema.selects.items():
for nm in type.values:
select_super_types[str(nm).lower()].append(name)
write(templates.select_virtual if USE_VIRTUAL_INHERITANCE else templates.select_plain, name=name)
def get_select_super_types(nm, bases=[]):
x = list(select_super_types[nm.lower()])
for y in x:
x.extend(get_select_super_types(y))
return sorted(set(x) - set(itertools.chain.from_iterable(map(get_select_super_types, bases))))
for name, type in mapping.schema.enumerations.items():
short_name = name[:-4] if name.endswith("Enum") else name
write(templates.enumeration, name=name, values=", ".join(["%s_%s" % (short_name, v) for v in type.values]))
emitted_simpletypes = set()
while len(emitted_simpletypes) < len(mapping.schema.simpletypes):
for name, type in mapping.schema.simpletypes.items():
if name.lower() in emitted_simpletypes:
continue
type_str = mapping.make_type_string(mapping.flatten_type_string(type))
attr_type = mapping.make_argument_type(type)
superclass = mapping.simple_type_parent(name)
superclasses = []
all_superclasses = []
if superclass is not None:
superclasses.append(superclass)
while superclass:
all_superclasses.append(superclass)
superclass = mapping.simple_type_parent(superclass)
else:
superclasses.append("IfcUtil::IfcBaseType")
if USE_VIRTUAL_INHERITANCE:
superclasses.extend(get_select_super_types(name, bases=all_superclasses))
is_emitted = (
lambda nm: nm == "IfcUtil::IfcBaseType"
or nm in mapping.schema.selects
or nm.lower() in emitted_simpletypes
)
if not all(map(is_emitted, superclasses)):
continue
superclasses = list(map(case_normalize, superclasses))
emitted_simpletypes.add(name.lower())
superclass_statement = create_supertype_statement(superclasses)
write(
templates.simpletype, name=name, type=type_str, attr_type=attr_type, superclass=superclass_statement
)
class_definitions = []
write = lambda str, **kwargs: class_definitions.append(
str
% dict({"documentation": templates.multi_line_comment(documentation.description(kwargs["name"]))}, **kwargs)
)
emitted_entities = set()
while len(emitted_entities) < len(mapping.schema.entities):
for name, type in mapping.schema.entities.items():
if name.lower() in emitted_entities:
continue
if len(type.supertypes) == 0 or set(map(str.lower, type.supertypes)) <= emitted_entities:
attr_lines = []
def write_method(attr):
attr_lines.extend(
["/// %s" % d for d in documentation.description(".".join((name, attr.name)))]
)
type_str = mapping.get_parameter_type(attr)
if mapping.make_argument_type(attr) != "IfcUtil::Argument_UNKNOWN":
attr_lines.append("%s %s() const;" % (type_str, attr.name))
attr_lines.append("void set%s(%s v);" % (attr.name, type_str))
[write_method(attr) for attr in type.attributes]
inv_lines = []
def write_inverse(attr):
inv_lines.append(
templates.inverse_attr
% {"name": attr.name, "entity": attr.entity, "attribute": attr.attribute}
)
if type.inverse:
[write_inverse(attr) for attr in type.inverse]
attributes = "\n".join(["%s%s" % (" " * 4, a) for a in attr_lines])
if len(attributes):
attributes += "\n"
inverse = "\n".join(["%s%s" % (" " * 4, a) for a in inv_lines])
if len(inverse):
inverse += "\n"
all_supertypes = []
tt = type
while len(tt.supertypes):
all_supertypes.append(tt.supertypes[0])
tt = mapping.schema.entities[tt.supertypes[0]]
supertypes = list(type.supertypes) if len(type.supertypes) else ["IfcUtil::IfcBaseEntity"]
if USE_VIRTUAL_INHERITANCE:
supertypes.extend(get_select_super_types(name, bases=all_supertypes))
supertypes = list(map(case_normalize, supertypes))
superclass = create_supertype_statement(supertypes)
argument_count = mapping.argument_count(type)
argument_start = argument_count - len(type.attributes)
argument_name_function_body_switch_stmt = (
" switch (i) {%s}"
% (
"".join(
[
'case %d: return "%s"; ' % (i + argument_start, attr.name)
for i, attr in enumerate(type.attributes)
]
)
)
if len(type.attributes)
else ""
)
argument_name_function_body_tail = (
(" return %s::getArgumentName(i); " % type.supertypes[0])
if len(type.supertypes) == 1
else ' (void)i; throw IfcParse::IfcAttributeOutOfRangeException("Argument index out of range"); '
)
argument_name_function_body = (
argument_name_function_body_switch_stmt + argument_name_function_body_tail
)
derived = mapping.derived_in_supertype(type)
attribute_names = list(map(operator.attrgetter("name"), mapping.arguments(type)))
derived_in_supertype = set(derived) & set(attribute_names)
derived_in_supertype_indices = sorted(attribute_names.index(nm) for nm in derived_in_supertype)
attribute_type_cases = [
"case %d: return IfcUtil::Argument_DERIVED; " % idx for idx in derived_in_supertype_indices
]
attribute_type_cases += [
"case %d: return %s; " % (i + argument_start, mapping.make_argument_type(attr))
for i, attr in enumerate(type.attributes)
]
argument_type_function_body_switch_stmt = (
" switch (i) {%s}" % ("".join(attribute_type_cases)) if len(type.attributes) else ""
)
argument_type_function_body_tail = (
(" return %s::getArgumentType(i); " % type.supertypes[0])
if len(type.supertypes) == 1
else ' (void)i; throw IfcParse::IfcAttributeOutOfRangeException("Argument index out of range"); '
)
argument_type_function_body = (
argument_type_function_body_switch_stmt + argument_type_function_body_tail
)
argument_entity_function_body_switch_stmt = (
" switch (i) {%s}"
% (
"".join(
[
"case %d: return %s; " % (i + argument_start, mapping.make_argument_entity(attr))
for i, attr in enumerate(type.attributes)
]
)
)
if len(type.attributes)
else ""
)
argument_entity_function_body_tail = (
(" return %s::getArgumentEntity(i); " % type.supertypes[0])
if len(type.supertypes) == 1
else ' (void)i; throw IfcParse::IfcAttributeOutOfRangeException("Argument index out of range"); '
)
argument_entity_function_body = (
argument_entity_function_body_switch_stmt + argument_entity_function_body_tail
)
constructor_arguments = ", ".join(
"%(full_type)s v%(index)d_%(name)s" % a for a in mapping.get_assignable_arguments(type)
)
write(templates.entity, **locals())
emitted_entities.add(name)
self.str = templates.header % {
"schema_name_upper": mapping.schema.name.upper(),
"schema_name": mapping.schema.name.capitalize(),
"declarations": "".join(declarations),
"forward_definitions": forward_definitions,
"class_definitions": "".join(class_definitions),
}
self.schema_name = mapping.schema.name.capitalize()
self.file_name = "%s.h" % self.schema_name
def __repr__(self):
return self.str
Generator = Header