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# listAllMatches.py
#
# Sample program showing how/when to use listAllMatches to get all matching tokens in a results name.
#
# copyright 2006, Paul McGuire
#
from pyparsing import oneOf, OneOrMore, printables, StringEnd
test = "The quick brown fox named 'Aloysius' lives at 123 Main Street (and jumps over lazy dogs in his spare time)."
nonAlphas = [ c for c in printables if not c.isalpha() ]
print("Extract vowels, consonants, and special characters from this test string:")
print("'" + test + "'")
print()
print("Define grammar using normal results names")
print("(only last matching symbol is saved)")
vowels = oneOf(list("aeiouy"), caseless=True).setResultsName("vowels")
cons = oneOf(list("bcdfghjklmnpqrstvwxz"), caseless=True).setResultsName("cons")
other = oneOf(list(nonAlphas)).setResultsName("others")
letters = OneOrMore(cons | vowels | other) + StringEnd()
results = letters.parseString(test)
print(results)
print(results.vowels)
print(results.cons)
print(results.others)
print()
print("Define grammar using results names, with listAllMatches=True")
print("(all matching symbols are saved)")
vowels = oneOf(list("aeiouy"), caseless=True).setResultsName("vowels",listAllMatches=True)
cons = oneOf(list("bcdfghjklmnpqrstvwxz"), caseless=True).setResultsName("cons",listAllMatches=True)
other = oneOf(list(nonAlphas)).setResultsName("others",listAllMatches=True)
letters = OneOrMore(cons | vowels | other) + StringEnd()
results = letters.parseString(test)
print(results)
print(sorted(list(set(results))))
print()
print(results.vowels)
print(sorted(list(set(results.vowels))))
print()
print(results.cons)
print(sorted(list(set(results.cons))))
print()
print(results.others)
print(sorted(list(set(results.others))))
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