# Copyright (c) 2011, Thomas Paviot (tpaviot@gmail.com)

# Copyright (c) 2021, Devon Sparks (devonsparks.com)

# All rights reserved.

# This file is part of the STEPCODE project.

#

# Redistribution and use 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 <ORGANIZATION> nor the names of its contributors may

# be used to endorse or promote products derived from this software without

# specific prior written permission.

# 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 HOLDER 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.

''' This module provide string utils'''

def process_nested_parent_str(attr_str,idx=0):

'''

The first letter should be a parenthesis

input string: "(1,4,(5,6),7)"

output: ['1','4',['5','6'],'7']

'''

params = []

current_param = ''

k = 0

while (k<len(attr_str)):

ch = attr_str[k]

k += 1

if ch==',':

params.append(current_param)

current_param = ''

elif ch=='(':

nv = attr_str[k:]

current_param, progress = process_nested_parent_str(nv)

params.append(current_param)

current_param = ''

k += progress+1

elif ch==')':

params.append(current_param)

return params,k

else:

current_param += ch

params.append(current_param)

return params,k

if __name__=="__main__":

print(process_nested_parent_str("'A'")[0])

print(process_nested_parent_str("30.0,0.0,5.0")[0])

print(process_nested_parent_str("1,2,(3,4,5),6,7,8")[0])

print(process_nested_parent_str("(#9149,#9166),#9142,.T.")[0])