parser v 0.0.4-alpha

.gitignore

@@ -39,7 +39,5 @@ analysis-master/tra_analysis/.ipynb_checkpoints
 analysis-master/tra_analysis/metrics/__pycache__
 analysis-master/dist
 data-analysis/config/
-analysis-master/tra_analysis/equation/__pycache__/Expression.cpython-38.pyc
+analysis-master/tra_analysis/equation/__pycache__/*
-analysis-master/tra_analysis/equation/__pycache__/__init__.cpython-38.pyc
+analysis-master/tra_analysis/equation/parser/__pycache__/*
-analysis-master/tra_analysis/equation/__pycache__/parser.cpython-38.pyc
-analysis-master/tra_analysis/equation/__pycache__/py2.cpython-38.pyc

analysis-master/tra_analysis/equation/Expression.py

@@ -0,0 +1,38 @@
+# Titan Robotics Team 2022: Expression submodule
+# Written by Arthur Lu
+# Notes:
+#    this should be imported as a python module using 'from tra_analysis.Equation import Expression'
+# 	 adapted from https://github.com/pyparsing/pyparsing/blob/master/examples/fourFn.py
+# setup:
+
+__version__ = "0.0.1-alpha"
+
+__changelog__ = """changelog:
+	0.0.1-alpha:
+"""
+
+__author__ = (
+	"Arthur Lu <learthurgo@gmail.com>",
+)
+
+import re
+from .parser import BNF
+
+class Expression():
+
+	expression = None
+	protected = list(BNF().fn.keys())
+
+	def __init__(self, s):
+		if(self.validate(s)):
+			self.expression = s
+		else:
+			pass
+
+	def validate(self, s):
+
+		return true
+
+	def substitute(self, var, value):
+
+		pass

analysis-master/tra_analysis/equation/__init__.py

@@ -1 +1 @@
-from .parser import *
+from .Expression import Expression

analysis-master/tra_analysis/equation/parser/BNF.py

@@ -1,26 +1,4 @@
-# Titan Robotics Team 2022: Expression submodule
-# Written by Arthur Lu
-# Notes:
-#    this should be imported as a python module using 'from tra_analysis import equation'
-# 	 adapted from https://github.com/pyparsing/pyparsing/blob/master/examples/fourFn.py
-# setup:
-
 from __future__ import division
-
-__version__ = "0.0.2-alpha"
-
-__changelog__ = """changelog:
-	0.0.2-alpha:
-		- wrote BNF using pyparsing and uses a BNF metasyntax
-		- renamed this submodule parser
-	0.0.1-alpha:
-		- took items from equation.ipynb and ported here
-"""
-
-__author__ = (
-	"Arthur Lu <learthurgo@gmail.com>",
-)
-
 from pyparsing import (Literal, CaselessLiteral, Word, Combine, Group, Optional, ZeroOrMore, Forward, nums, alphas, oneOf)
 from . import py2
 import math

analysis-master/tra_analysis/equation/parser/RegexInplaceParser.py

@@ -0,0 +1,51 @@
+import re
+from decimal import Decimal
+from functools import reduce
+
+class RegexInplaceParser(object):
+
+	def __init__(self, string):
+
+		self.string = string
+
+	def add(self, string):
+		while(len(re.findall("[+]{1}[-]?", string)) != 0):
+			string = re.sub("[-]?\d+[.]?\d*[+]{1}[-]?\d+[.]?\d*", str("%f" % reduce((lambda x, y: x + y), [Decimal(i) for i in re.split("[+]{1}", re.search("[-]?\d+[.]?\d*[+]{1}[-]?\d+[.]?\d*", string).group())])), string, 1)
+		return string
+
+	def sub(self, string):
+		while(len(re.findall("\d+[.]?\d*[-]{1,2}\d+[.]?\d*", string)) != 0):
+			g = re.search("\d+[.]?\d*[-]{1,2}\d+[.]?\d*", string).group()
+			if(re.search("[-]{1,2}", g).group() == "-"):
+				r = re.sub("[-]{1}", "+-", g, 1)
+				string = re.sub(g, r, string, 1)
+			elif(re.search("[-]{1,2}", g).group() == "--"):
+				r = re.sub("[-]{2}", "+", g, 1)
+				string = re.sub(g, r, string, 1)
+			else:
+				pass
+		return string
+
+	def mul(self, string):
+		while(len(re.findall("[*]{1}[-]?", string)) != 0):
+			string = re.sub("[-]?\d+[.]?\d*[*]{1}[-]?\d+[.]?\d*", str("%f" % reduce((lambda x, y: x * y), [Decimal(i) for i in re.split("[*]{1}", re.search("[-]?\d+[.]?\d*[*]{1}[-]?\d+[.]?\d*", string).group())])), string, 1)
+		return string
+
+	def div(self, string):
+		while(len(re.findall("[/]{1}[-]?", string)) != 0):
+			string = re.sub("[-]?\d+[.]?\d*[/]{1}[-]?\d+[.]?\d*", str("%f" % reduce((lambda x, y: x / y), [Decimal(i) for i in re.split("[/]{1}", re.search("[-]?\d+[.]?\d*[/]{1}[-]?\d+[.]?\d*", string).group())])), string, 1)
+		return string
+
+	def exp(self, string):
+		while(len(re.findall("[\^]{1}[-]?", string)) != 0):
+			string = re.sub("[-]?\d+[.]?\d*[\^]{1}[-]?\d+[.]?\d*", str("%f" % reduce((lambda x, y: x ** y), [Decimal(i) for i in re.split("[\^]{1}", re.search("[-]?\d+[.]?\d*[\^]{1}[-]?\d+[.]?\d*", string).group())])), string, 1)
+		return string
+
+	def evaluate(self):
+		string = self.string
+		string = self.exp(string)
+		string = self.div(string)
+		string = self.mul(string)
+		string = self.sub(string)
+		string = self.add(string)
+		return string

analysis-master/tra_analysis/equation/parser/__init__.py

@@ -0,0 +1,32 @@
+# Titan Robotics Team 2022: Expression submodule
+# Written by Arthur Lu
+# Notes:
+#    this should be imported as a python module using 'from tra_analysis.Equation import parser'
+# 	 adapted from https://github.com/pyparsing/pyparsing/blob/master/examples/fourFn.py
+# setup:
+
+__version__ = "0.0.4-alpha"
+
+__changelog__ = """changelog:
+	0.0.4-alpha:
+		- moved individual parsers to their own filespar
+	0.0.3-alpha:
+		- readded old regex based parser as RegexInplaceParser
+	0.0.2-alpha:
+		- wrote BNF using pyparsing and uses a BNF metasyntax
+		- renamed this submodule parser
+	0.0.1-alpha:
+		- took items from equation.ipynb and ported here
+"""
+
+__author__ = (
+	"Arthur Lu <learthurgo@gmail.com>",
+)
+
+__all__ = {
+	"BNF",
+	"RegexInplaceParser"
+}
+
+from .BNF import BNF as BNF
+from .RegexInplaceParser import RegexInplaceParser as RegexInplaceParser