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https://github.com/IfcOpenShell/IfcOpenShell.git
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aothms
219 lines
11 KiB
Python
219 lines
11 KiB
Python
###############################################################################
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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 Lesser GNU General Public License as published by #
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# the Free Software Foundation, either version 3.0 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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# Lesser GNU General Public License for more details. #
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# #
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# You should have received a copy of the Lesser GNU General Public License #
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# along with this program. If not, see <http://www.gnu.org/licenses/>. #
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# #
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###############################################################################
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from __future__ import print_function
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import sys
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import nodes
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import templates
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class Mapping:
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express_to_cpp_typemapping = {
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'boolean' : 'bool',
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'logical' : 'bool',
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'integer' : 'int',
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'real' : 'double',
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'number' : 'double',
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'string' : 'std::string',
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'binary' : 'boost::dynamic_bitset<>'
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}
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supported_argument_types = set([
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'INT', 'BOOL', 'DOUBLE', 'STRING', 'BINARY', 'ENUMERATION', 'ENTITY_INSTANCE',
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'AGGREGATE_OF_INT', 'AGGREGATE_OF_DOUBLE', 'AGGREGATE_OF_STRING', 'AGGREGATE_OF_BINARY', 'AGGREGATE_OF_ENTITY_INSTANCE',
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'AGGREGATE_OF_AGGREGATE_OF_INT', 'AGGREGATE_OF_AGGREGATE_OF_DOUBLE', 'AGGREGATE_OF_AGGREGATE_OF_ENTITY_INSTANCE',
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])
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def __init__(self, schema):
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self.schema = schema
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def flatten_type_string(self, type):
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return self.flatten_type_string(self.schema.types[type].type.type) if self.schema.is_simpletype(type) else type
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def flatten_type(self, type):
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res = self.flatten_type(self.schema.types[type].type.type) if self.schema.is_simpletype(type) else type
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return res
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def simple_type_parent(self, type):
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parent = self.schema.types[type].type.type
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if isinstance(parent, nodes.AggregationType): parent = None
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return None if str(parent) in self.express_to_cpp_typemapping else parent
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def make_type_string(self, type):
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if isinstance(type, (str, nodes.BinaryType)):
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return self.express_to_cpp_typemapping.get(str(type), type)
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else:
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is_list = self.schema.is_entity(type.type)
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is_nested_list = isinstance(type.type, nodes.AggregationType)
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tmpl = templates.list_list_type if is_nested_list else templates.list_type if is_list else templates.array_type
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return tmpl % {
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'instance_type' : self.make_type_string(self.flatten_type_string(type.type)),
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'lower' : type.bounds.lower,
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'upper' : type.bounds.upper,
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}
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def is_array(self, type):
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if isinstance(type, nodes.AggregationType):
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return True
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elif isinstance(type, str) and self.schema.is_type(type):
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return self.is_array(self.schema.types[type].type.type)
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else:
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return False
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def make_argument_entity(self, attr):
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type = attr.type if hasattr(attr, 'type') else attr
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while isinstance(type, nodes.AggregationType): type = type.type
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if str(type) in self.express_to_cpp_typemapping: return "Type::UNDEFINED"
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else: return "Type::%s" % type
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def make_argument_type(self, attr):
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def _make_argument_type(type):
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if self.schema.is_entity(type) or isinstance(type, nodes.SelectType):
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return "ENTITY_INSTANCE"
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elif isinstance(type, nodes.BinaryType):
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return "BINARY"
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elif isinstance(type, nodes.EnumerationType):
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return "ENUMERATION"
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elif isinstance(type, nodes.AggregationType):
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ty = _make_argument_type(type.type)
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if ty == "UNKNOWN": return "UNKNOWN"
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return "AGGREGATE_OF_" + ty
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elif str(type) in self.express_to_cpp_typemapping:
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return self.express_to_cpp_typemapping.get(str(type), type).split('::')[-1].upper()
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elif self.schema.is_type(type):
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return _make_argument_type(self.schema.types[type].type.type)
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else:
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raise ValueError("Unable to map type %r for attribute %r" % (type, attr))
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ty = _make_argument_type(attr.type if hasattr(attr, 'type') else attr)
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if ty not in self.supported_argument_types:
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print("Attribute %r mapped as 'unknown'" % (attr), file=sys.stderr)
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ty = 'UNKNOWN'
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return "IfcUtil::Argument_%s" % ty
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def get_type_dep(self, type):
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if isinstance(type, str):
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return self.express_to_cpp_typemapping.get(str(type), type)
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else:
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return self.get_type_dep(type.type)
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def get_parameter_type(self, attr, allow_optional, allow_entities, allow_pointer = True):
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attr_type = self.flatten_type(attr.type)
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type_str = self.express_to_cpp_typemapping.get(str(attr_type), attr_type)
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is_ptr = False
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if self.schema.is_enumeration(attr_type):
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type_str = '%s::%s'%(attr_type, attr_type)
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elif isinstance(type_str, nodes.AggregationType):
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is_nested_list = isinstance(attr_type.type, nodes.AggregationType)
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ty = self.get_parameter_type(attr_type.type if is_nested_list else attr_type, False, allow_entities, False)
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if self.schema.is_select(attr_type.type):
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type_str = templates.untyped_list
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elif self.schema.is_simpletype(ty) or str(ty) in self.express_to_cpp_typemapping.values():
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tmpl = templates.nested_array_type if is_nested_list else templates.array_type
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type_str = tmpl % {
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'instance_type' : ty,
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'lower' : attr_type.bounds.lower,
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'upper' : attr_type.bounds.upper
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}
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else:
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tmpl = templates.list_list_type if is_nested_list else templates.list_type
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type_str = tmpl % {
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'instance_type': ty
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}
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elif allow_pointer and (self.schema.is_entity(type_str) or self.schema.is_select(type_str)):
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type_str += '*'
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is_ptr = True
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elif not allow_pointer and self.schema.is_select(type_str):
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type_str = "IfcUtil::IfcBaseClass*"
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is_ptr = True
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if allow_optional and attr.optional and not is_ptr:
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type_str = "boost::optional< %s >"%type_str
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return type_str
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def argument_count(self, t):
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c = sum([self.argument_count(self.schema.entities[s]) for s in t.supertypes])
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return c + len(t.attributes)
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def arguments(self, t):
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c = sum([self.arguments(self.schema.entities[s]) for s in t.supertypes], [])
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return c + t.attributes
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def derived_in_supertype(self, t):
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c = sum([self.derived_in_supertype(self.schema.entities[s]) for s in t.supertypes], [])
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return c + ([str(s) for s in t.derive.elements] if t.derive else [])
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def list_instance_type(self, attr):
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attr_type = attr.type if isinstance(attr, nodes.ExplicitAttribute) else attr
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if isinstance(attr_type, str): return None
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f = lambda v : 'IfcUtil::IfcBaseClass' if self.schema.is_select(v) else str(v)
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if self.is_array(attr_type):
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if not isinstance(attr_type, str) and self.is_array(attr_type.type):
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if isinstance(attr_type.type, str):
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return f(attr_type.type)
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else: return f(attr_type.type.type)
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else:
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if isinstance(attr_type, str):
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return f(attr_type)
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else: return f(attr_type.type)
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return None
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def is_templated_list(self, attr):
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attr_type = attr.type if isinstance(attr, nodes.ExplicitAttribute) else attr
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if isinstance(attr, str): return False
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ty = self.list_instance_type(attr)
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if ty is None: return False
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arr = self.is_array(attr_type)
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simple = self.schema.is_simpletype(ty)
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express = self.flatten_type_string(ty) in self.express_to_cpp_typemapping
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select = ty == 'IfcUtil::IfcBaseClass'
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return arr and not simple and not express and not select
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def get_assignable_arguments(self, t, include_derived = False):
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count = self.argument_count(t)
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num_inherited = count - len(t.attributes)
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derived = set(self.derived_in_supertype(t))
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attrs = enumerate(self.arguments(t))
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def include(attr):
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not_derived = include_derived or (attr.name not in derived)
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supported = self.make_argument_type(attr) != "IfcUtil::Argument_UNKNOWN"
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return not_derived and supported
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return [{
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'index' : i+1,
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'name' : attr.name,
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'full_type' : self.get_parameter_type(attr, allow_optional=True, allow_entities=True),
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'specialized_type' : self.get_parameter_type(attr, allow_optional=True, allow_entities=False),
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'non_optional_type' : self.get_parameter_type(attr, allow_optional=False, allow_entities=False),
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'list_instance_type' : self.list_instance_type(attr),
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'is_optional' : attr.optional,
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'is_inherited' : i < num_inherited,
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'is_enum' : attr.type in self.schema.enumerations,
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'is_array' : self.is_array(attr.type),
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'is_nested' : self.is_array(attr.type) and not isinstance(attr.type, str) and self.is_array(attr.type.type),
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'is_derived' : attr.name in derived,
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'is_templated_list' : self.is_templated_list(attr),
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'argument_type_enum' : self.make_argument_type(attr),
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'argument_entity' : self.make_argument_entity(attr),
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'argument_type' : attr.type
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} for i, attr in attrs if include(attr)]
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