blob: 24cf2f462dc3c46de92762b85dd8f0456c6e532f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
#
# nested.py
# Copyright, 2007 - Paul McGuire
#
# Simple example of using nestedExpr to define expressions using
# paired delimiters for grouping lists and sublists
#
from pyparsing import *
import pprint
data = """
{
{ item1 "item with } in it" }
{
{item2a item2b }
{item3}
}
}
"""
# use {}'s for nested lists
nestedItems = nestedExpr("{", "}")
print(( (nestedItems+stringEnd).parseString(data).asList() ))
# use default delimiters of ()'s
mathExpr = nestedExpr()
print(( mathExpr.parseString( "((( ax + by)*C) *(Z | (E^F) & D))") ))
|
