added another_parse_input

another_parse_input
alex 2025-09-16 07:00:29 +02:00
parent 9574c10600
commit 0a42a8e272
3 changed files with 75 additions and 59 deletions

View File

@ -14,6 +14,14 @@ class AbacusCore:
self._funcs['r2'] = lambda x: round(x, 2)
self._funcs['r0'] = lambda x: int(x)
self._funcs['summe'] = self.summe
def summe(self, l):
s = 0
for ss in l:
s = s + ss
return s
def _calculate(self, input_str):
@ -23,6 +31,8 @@ class AbacusCore:
res = 'Division by Zero'
except NameError as e:
res = 'Variable '+ e.name + ' not exists'
except SyntaxError as e:
res = 'Syntax Error'
return False, res
def get_vars(self):
@ -32,67 +42,70 @@ class AbacusCore:
self._vars[name] = value
def parse_input(self, input_str):
comment = None
input_wo_com = None
success = False
input_str = str(input_str).strip()
input_str = input_str.replace(',', '.')
if input_str[0] == '#':
comment = input_str[1:]
com_index = input_str.find('#')
if com_index > -1:
input_wo_com = input_str[:com_index]
comment = input_str[com_index + 1:]
if input_wo_com is None:
input_wo_com = input_str
print('comment', comment)
result = self._split_input(input_wo_com)
print('result:',result)
if result[1] is not None:
success, res = self._calculate(result[1])
if success:
operators = result[0]
operators.reverse()
for op in operators:
if op[-1] == '=':
self._vars[op[:-1]] = res
elif op[-1] == ':':
res = self._funcs.get(op[:-1])(res)
print('vars:', self._vars)
'''
versuche input_str zu parsen in comment vars und andere teile
:param input_str:
:return:
'''
input_str, comment = self._get_input_wo_commentar(input_str)
input_str = ''.join(input_str.split()) # entferne alle leerzeichen
if input_str is not None:
for chunk in self._is_new_variable(input_str): # chunks für variablenzuweisung
self._replace_vars(chunk)
else:
print("Error")
return ('comment', comment)
def _split_input(self, input_str):
last_position = 0
varchunks = list()
def _replace_vars(self, input_str):
'''
try to find vars and replace them
:param input_str:
:return:
'''
first_position = None
new_input_str = ''
for i, c in enumerate(input_str):
if c in [':', '=']:
chunk = input_str[last_position:i].strip()
chunk = chunk + input_str[i]
varchunks.append(chunk)
last_position = i+1
rest = input_str[last_position:].strip()
print('rest', rest)
rest = self._find_vars(rest)[1]
return varchunks, rest
if c.isalpha():
if first_position is None:
first_position = i
# print('alpha'+c)
elif c == '=':
if first_position is not None: # variablenzuweisung
self._vars[input_str[first_position:i]] = None # todo: wie machen?
else: # keine variable angegeben todo: womöglich eine tempvariable?
raise ValueError()
elif c.isnumeric() or c in ['+', '-', '/', '*', '(', ')', '[', ']', ';']:
if first_position is not None:
temp_var = input_str[first_position:i]
print('var', temp_var)
var = self._vars.get(temp_var)
if var is not None:
new_input_str +=str(var)
else:
raise ValueError()
first_position = None
new_input_str += input_str[i]
print(new_input_str)
def _find_vars(self, input_str):
chunks = list()
last_position = 0
for i, c in enumerate(input_str):
if c in ['+', '-', '/', '*', '(', ')', '[', ']', ';']:
ch = input_str[last_position:i].strip()
if len(ch)>0:
chunks.append(ch)
chunks.append(input_str[i].strip())
last_position = i+1
def _get_input_wo_commentar(self, input_str):
'''
Zerlege input in input und kommentar
:param input_str:
:return:
'''
input_str = input_str.strip()
comment_index = input_str.find('#')
if comment_index == 0: # die ganze zeile ist ein kommentar
return (None, input_str)
elif comment_index == -1:
return (input_str, None)
else:
comment = input_str[comment_index + 1:]
input_str = input_str[:comment_index]
return (input_str, comment)
if last_position<len(input_str):
chunks.append(input_str[last_position:].strip())
cp_chunks = chunks.copy()
for i, chunk in enumerate(chunks):
if chunk in self._vars:
cp_chunks[i] = str(self._vars.get(chunk))
print(chunks, cp_chunks)
return len(cp_chunks)>1, ''.join(cp_chunks)
def _is_new_variable(self, input_str):
chunks = input_str.split('=')
chunks.reverse()
return chunks

View File

@ -4,4 +4,4 @@ ab = AbacusCore()
if __name__ == '__main__':
ab.parse_input('12')
print(ab.parse_input('alpha+ 25+15+beta+2#irgendwieso'))

3
readme.md 100644
View File

@ -0,0 +1,3 @@
# AbacusNG
## Sinn und Zweck