change some lambdas to explicit methods for clarity (see discussion in #207); deleted duplicated examples (commit *all* changes this time)

1 files changed, 0 insertions, 112 deletions

diff --git a/examples/parseListString.py b/examples/parseListString.py
deleted file mode 100644
index f34f614..0000000
--- a/examples/parseListString.py
+++ /dev/null
@@ -1,112 +0,0 @@
-# parseListString.py

-#

-# Copyright, 2006, by Paul McGuire

-#

-

-from pyparsing import *

-

-# first pass

-lbrack = Literal("[")

-rbrack = Literal("]")

-integer = Word(nums).setName("integer")

-real = Combine(

-    Optional(oneOf("+ -")) + Word(nums) + "." + Optional(Word(nums))

-).setName("real")

-

-listItem = real | integer | quotedString

-

-listStr = lbrack + delimitedList(listItem) + rbrack

-

-test = "['a', 100, 3.14]"

-

-print(listStr.parseString(test))

-

-

-# second pass, cleanup and add converters

-lbrack = Literal("[").suppress()

-rbrack = Literal("]").suppress()

-cvtInt = lambda s, l, toks: int(toks[0])

-integer = Word(nums).setName("integer").setParseAction(cvtInt)

-cvtReal = lambda s, l, toks: float(toks[0])

-real = Regex(r"[+-]?\d+\.\d*").setName("floating-point number").setParseAction(cvtReal)

-listItem = real | integer | quotedString.setParseAction(removeQuotes)

-

-listStr = lbrack + delimitedList(listItem) + rbrack

-

-test = "['a', 100, 3.14]"

-

-print(listStr.parseString(test))

-

-# third pass, add nested list support, and tuples, too!

-cvtInt = lambda s, l, toks: int(toks[0])

-cvtReal = lambda s, l, toks: float(toks[0])

-

-lbrack = Literal("[").suppress()

-rbrack = Literal("]").suppress()

-integer = Word(nums).setName("integer").setParseAction(cvtInt)

-real = Regex(r"[+-]?\d+\.\d*").setName("floating-point number").setParseAction(cvtReal)

-tupleStr = Forward()

-listStr = Forward()

-listItem = (

-    real

-    | integer

-    | quotedString.setParseAction(removeQuotes)

-    | Group(listStr)

-    | tupleStr

-)

-tupleStr << (

-    Suppress("(") + delimitedList(listItem) + Optional(Suppress(",")) + Suppress(")")

-)

-tupleStr.setParseAction(lambda t: tuple(t.asList()))

-listStr << lbrack + delimitedList(listItem) + Optional(Suppress(",")) + rbrack

-

-test = "['a', 100, ('A', [101,102]), 3.14, [ +2.718, 'xyzzy', -1.414] ]"

-print(listStr.parseString(test))

-

-# fourth pass, add parsing of dicts

-cvtInt = lambda s, l, toks: int(toks[0])

-cvtReal = lambda s, l, toks: float(toks[0])

-cvtDict = lambda s, l, toks: dict(toks[0])

-

-lbrack = Literal("[").suppress()

-rbrack = Literal("]").suppress()

-lbrace = Literal("{").suppress()

-rbrace = Literal("}").suppress()

-colon = Literal(":").suppress()

-integer = Word(nums).setName("integer").setParseAction(cvtInt)

-real = Regex(r"[+-]?\d+\.\d*").setName("real").setParseAction(cvtReal)

-

-tupleStr = Forward()

-listStr = Forward()

-dictStr = Forward()

-listItem = (

-    real

-    | integer

-    | quotedString.setParseAction(removeQuotes)

-    | Group(listStr)

-    | tupleStr

-    | dictStr

-)

-tupleStr <<= (

-    Suppress("(") + delimitedList(listItem) + Optional(Suppress(",")) + Suppress(")")

-)

-tupleStr.setParseAction(lambda t: tuple(t.asList()))

-listStr <<= (

-    lbrack + Optional(delimitedList(listItem)) + Optional(Suppress(",")) + rbrack

-)

-dictKeyStr = real | integer | quotedString.setParseAction(removeQuotes)

-dictStr <<= (

-    lbrace

-    + Optional(delimitedList(Group(dictKeyStr + colon + listItem)))

-    + Optional(Suppress(","))

-    + rbrace

-)

-dictStr.setParseAction(

-    lambda t: {

-        k_v[0]: (k_v[1].asList() if isinstance(k_v[1], ParseResults) else k_v[1])

-        for k_v in t

-    }

-)

-

-test = "[{0: [2], 1: []}, {0: [], 1: [], 2: [,]}, {0: [1, 2,],}]"

-print(listStr.parseString(test))