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authorsanine <sanine.not@pm.me>2022-04-16 11:55:09 -0500
committersanine <sanine.not@pm.me>2022-04-16 11:55:09 -0500
commitdb81b925d776103326128bf629cbdda576a223e7 (patch)
tree58bea8155c686733310009f6bed7363f91fbeb9d /libs/assimp/scripts/StepImporter/ExpressReader.py
parent55860037b14fb3893ba21cf2654c83d349cc1082 (diff)
move 3rd-party librarys into libs/ and add built-in honeysuckle
Diffstat (limited to 'libs/assimp/scripts/StepImporter/ExpressReader.py')
-rw-r--r--libs/assimp/scripts/StepImporter/ExpressReader.py123
1 files changed, 123 insertions, 0 deletions
diff --git a/libs/assimp/scripts/StepImporter/ExpressReader.py b/libs/assimp/scripts/StepImporter/ExpressReader.py
new file mode 100644
index 0000000..9cb3b72
--- /dev/null
+++ b/libs/assimp/scripts/StepImporter/ExpressReader.py
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+#!/usr/bin/env python3
+# -*- Coding: UTF-8 -*-
+
+# ---------------------------------------------------------------------------
+# Open Asset Import Library (ASSIMP)
+# ---------------------------------------------------------------------------
+#
+# Copyright (c) 2006-2020, ASSIMP Development Team
+#
+# All rights reserved.
+#
+# Redistribution and use of this software in source and binary forms,
+# with or without modification, are permitted provided that the following
+# conditions are met:
+#
+# * Redistributions of source code must retain the above
+# copyright notice, this list of conditions and the
+# following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the
+# following disclaimer in the documentation and/or other
+# materials provided with the distribution.
+#
+# * Neither the name of the ASSIMP team, nor the names of its
+# contributors may be used to endorse or promote products
+# derived from this software without specific prior
+# written permission of the ASSIMP Development Team.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# ---------------------------------------------------------------------------
+
+"""Parse an EXPRESS file and extract basic information on all
+entities and data types contained"""
+
+import sys
+import re
+from collections import OrderedDict
+
+re_match_entity = re.compile(r"""
+ENTITY\s+(\w+)\s* # 'ENTITY foo'
+.*? # skip SUPERTYPE-of
+(?:SUBTYPE\s+OF\s+\((\w+)\))?; # 'SUBTYPE OF (bar);' or simply ';'
+(.*?) # 'a : atype;' (0 or more lines like this)
+(?:(?:INVERSE|UNIQUE|WHERE)\s*$.*?)? # skip the INVERSE, UNIQUE, WHERE clauses and everything behind
+END_ENTITY;
+""",re.VERBOSE|re.DOTALL|re.MULTILINE)
+
+re_match_type = re.compile(r"""
+TYPE\s+(\w+?)\s*=\s*((?:LIST|SET)\s*\[\d+:[\d?]+\]\s*OF)?(?:\s*UNIQUE)?\s*(\w+) # TYPE foo = LIST[1:2] of blub
+(?:(?<=ENUMERATION)\s*OF\s*\((.*?)\))?
+.*? # skip the WHERE clause
+END_TYPE;
+""",re.VERBOSE|re.DOTALL)
+
+re_match_field = re.compile(r"""
+\s+(\w+?)\s*:\s*(OPTIONAL)?\s*((?:LIST|SET)\s*\[\d+:[\d?]+\]\s*OF)?(?:\s*UNIQUE)?\s*(\w+?);
+""",re.VERBOSE|re.DOTALL)
+
+
+class Schema:
+ def __init__(self):
+ self.entities = OrderedDict()
+ self.types = OrderedDict()
+
+class Entity:
+ def __init__(self,name,parent,members):
+ self.name = name
+ self.parent = parent
+ self.members = members
+
+class Field:
+ def __init__(self,name,type,optional,collection):
+ self.name = name
+ self.type = type
+ self.optional = optional
+ self.collection = collection
+ self.fullspec = (self.collection+' ' if self.collection else '') + self.type
+
+class Type:
+ def __init__(self,name,aggregate,equals,enums):
+ self.name = name
+ self.aggregate = aggregate
+ self.equals = equals
+ self.enums = enums
+
+
+def read(filename, silent=False):
+ schema = Schema()
+ print( "Try to read EXPRESS schema file" + filename)
+ with open(filename,'rt') as inp:
+ contents = inp.read()
+ types = re.findall(re_match_type,contents)
+ for name,aggregate,equals,enums in types:
+ schema.types[name] = Type(name,aggregate,equals,enums)
+
+ entities = re.findall(re_match_entity,contents)
+ for name,parent,fields_raw in entities:
+ print('process entity {0}, parent is {1}'.format(name,parent)) if not silent else None
+ fields = re.findall(re_match_field,fields_raw)
+ members = [Field(name,type,opt,coll) for name, opt, coll, type in fields]
+ print(' got {0} fields'.format(len(members))) if not silent else None
+
+ schema.entities[name] = Entity(name,parent,members)
+ return schema
+
+if __name__ == "__main__":
+ sys.exit(read(sys.argv[1] if len(sys.argv)>1 else 'schema.exp'))
+
+
+
+
+