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AcManForm.dfm	38.22 KB	-rw-r--r--
LAparser.py	20.62 KB	-rw-r--r--
README.md	5.13 KB	-rw-r--r--
Setup.ini	1.41 KB	-rw-r--r--
SimpleCalc.py	3.58 KB	-rw-r--r--
SingleForm.dfm	42.7 KB	-rw-r--r--
TAP.py	7.6 KB	-rw-r--r--
TAP_diagram.html	28.6 KB	-rw-r--r--
__init__.py	0 B	-rw-r--r--
adventureEngine.py	21.91 KB	-rw-r--r--
adventure_game_parser_diagram....	38.37 KB	-rw-r--r--
antlr_grammar.py	11.07 KB	-rw-r--r--
antlr_grammar_diagram.html	269.88 KB	-rw-r--r--
antlr_grammar_tests.py	2.89 KB	-rw-r--r--
apicheck.py	2.49 KB	-rw-r--r--
apicheck_diagram.html	12.56 KB	-rw-r--r--
bf.py	4.27 KB	-rw-r--r--
bf_diagram.html	6.74 KB	-rw-r--r--
bigquery_view_parser.py	62.51 KB	-rw-r--r--
booleansearchparser.py	15.26 KB	-rw-r--r--
btpyparse.py	4.16 KB	-rw-r--r--
builtin_parse_action_demo.py	817 B	-rw-r--r--
cLibHeader.py	853 B	-rw-r--r--
chemical_formulas.html	5.28 KB	-rw-r--r--
chemical_formulas.py	3.33 KB	-rw-r--r--
commasep.py	707 B	-rw-r--r--
complex_chemical_formulas.py	5.26 KB	-rw-r--r--
complex_chemical_formulas_diag...	22.88 KB	-rw-r--r--
configParse.py	2 KB	-rw-r--r--
cpp_enum_parser.py	1.35 KB	-rw-r--r--
cuneiform_python.py	2.57 KB	-rw-r--r--
datetime_parse_actions.py	1.9 KB	-rw-r--r--
decaf_parser.py	7.34 KB	-rw-r--r--
decaf_parser_diagram.html	233.34 KB	-rw-r--r--
delta_time.py	21.57 KB	-rw-r--r--
delta_time_diagram.html	106.3 KB	-rw-r--r--
dfmparse.py	7.05 KB	-rw-r--r--
dhcpd_leases_parser.py	2.98 KB	-rw-r--r--
dictExample.py	1.73 KB	-rw-r--r--
dictExample2.py	2.1 KB	-rw-r--r--
directx_x_file_parser.html	35.78 KB	-rw-r--r--
directx_x_file_parser.py	5.67 KB	-rw-r--r--
ebnf.py	4.49 KB	-rw-r--r--
ebnf_diagram.html	30.49 KB	-rw-r--r--
ebnf_number_parser_diagram.htm...	29.87 KB	-rw-r--r--
ebnf_number_words.py	2.06 KB	-rw-r--r--
ebnftest.py	2.01 KB	-rw-r--r--
email_address_parser.py	1.18 KB	-rw-r--r--
eval_arith.py	6.15 KB	-rw-r--r--
excel_expr.py	2.2 KB	-rw-r--r--
fourFn.py	10.27 KB	-rw-r--r--
gen_ctypes.py	5.28 KB	-rw-r--r--
getNTPserversNew.py	1.11 KB	-rw-r--r--
greeting.py	518 B	-rw-r--r--
greetingInGreek.py	425 B	-rw-r--r--
greetingInKorean.py	495 B	-rw-r--r--
groupUsingListAllMatches.py	509 B	-rw-r--r--
hola_mundo.py	2.02 KB	-rw-r--r--
html_stripper.py	1.68 KB	-rw-r--r--
html_table_parser.py	2.16 KB	-rw-r--r--
httpServerLogParser.py	3.48 KB	-rw-r--r--
idlParse.py	7.53 KB	-rw-r--r--
include_preprocessor.py	2.63 KB	-rw-r--r--
indentedGrammarExample.py	1022 B	-rw-r--r--
indented_block_example.py	712 B	-rw-r--r--
infix_math_parser.py	6.33 KB	-rw-r--r--
inv_regex.py	8.08 KB	-rw-r--r--
javascript_grammar.g	18.1 KB	-rw-r--r--
jsonParser.py	4.7 KB	-rw-r--r--
left_recursion.py	1.41 KB	-rw-r--r--
lineno_example.py	1.49 KB	-rw-r--r--
listAllMatches.py	1.57 KB	-rw-r--r--
lox_parser.py	6.17 KB	-rw-r--r--
lox_parser_diagram.html	136.52 KB	-rw-r--r--
lua_parser.py	8.14 KB	-rw-r--r--
lua_parser_diagram.html	221.2 KB	-rw-r--r--
lucene_grammar.py	8.81 KB	-rw-r--r--
lucene_grammar_diagram.html	46.24 KB	-rw-r--r--
macro_expander.py	1.77 KB	-rw-r--r--
make_diagram.py	1.62 KB	-rw-r--r--
matchPreviousDemo.py	586 B	-rw-r--r--
mongodb_query_expression.html	107.18 KB	-rw-r--r--
mongodb_query_expression.py	19.77 KB	-rw-r--r--
mongodb_query_expression_step_...	7.6 KB	-rw-r--r--
mozilla.ics	752 B	-rw-r--r--
mozillaCalendarParser.py	2.71 KB	-rw-r--r--
nested.py	579 B	-rw-r--r--
nested_markup.py	1.85 KB	-rw-r--r--
number_words.py	4.01 KB	-rw-r--r--
number_words_diagram.html	38.28 KB	-rw-r--r--
numerics.py	1.34 KB	-rw-r--r--
oc.py	4.34 KB	-rw-r--r--
one_to_ninety_nine.py	1.88 KB	-rw-r--r--
parseTabularData.py	1.68 KB	-rw-r--r--
parse_python_value.html	49.46 KB	-rw-r--r--
parse_python_value.py	4.09 KB	-rw-r--r--
parse_results_sum_example.py	853 B	-rw-r--r--
partial_gene_match.py	2.33 KB	-rw-r--r--
pgn.py	3.34 KB	-rw-r--r--
position.py	2.17 KB	-rw-r--r--
protobuf_parser.py	3.89 KB	-rw-r--r--
pythonGrammarParser.py	8.08 KB	-rw-r--r--
railroad_diagram_demo.py	1.55 KB	-rw-r--r--
range_check.py	2.9 KB	-rw-r--r--
readJson.py	120.73 KB	-rw-r--r--
removeLineBreaks.py	1.8 KB	-rw-r--r--
roman_numerals.py	3.64 KB	-rw-r--r--
roman_numerals_diagram.html	29.71 KB	-rw-r--r--
rosettacode.py	7.73 KB	-rw-r--r--
rosettacode_diagram.html	90.46 KB	-rw-r--r--
scanExamples.py	2.36 KB	-rw-r--r--
searchParserAppDemo.py	962 B	-rw-r--r--
searchparser.py	10.4 KB	-rw-r--r--
select_parser.py	8.72 KB	-rw-r--r--
sexpParser.py	5.23 KB	-rw-r--r--
shapes.py	1.69 KB	-rw-r--r--
simpleArith.py	2.42 KB	-rw-r--r--
simpleBool.py	3.19 KB	-rw-r--r--
simpleSQL.py	3.16 KB	-rw-r--r--
simpleWiki.py	1.08 KB	-rw-r--r--
snmp_api.h	28.69 KB	-rw-r--r--
sql2dot.py	3.07 KB	-rw-r--r--
stackish.py	2.71 KB	-rw-r--r--
tag_emitter.py	968 B	-rw-r--r--
tag_metadata.py	1012 B	-rw-r--r--
tag_metadata_diagram.html	5.7 KB	-rw-r--r--
test_bibparse.py	8.72 KB	-rw-r--r--
unicode_denormalizer.py	5.02 KB	-rw-r--r--
urlExtractor.py	1.03 KB	-rw-r--r--
urlExtractorNew.py	2.4 KB	-rw-r--r--
verilog_parse.py	31.16 KB	-rw-r--r--
withAttribute.py	912 B	-rw-r--r--
wordsToNum.py	2.99 KB	-rw-r--r--

Code Editor : lucene_grammar.py

#
# lucene_grammar.py
#
# Copyright 2011, Paul McGuire
# Updated 2023
#
# implementation of Lucene grammar, as described
# at https://lucene.apache.org/core/2_9_4/queryparsersyntax.html
#

import pyparsing as pp
from pyparsing import pyparsing_common as ppc

pp.ParserElement.enable_packrat()

COLON, LBRACK, RBRACK, LBRACE, RBRACE, TILDE, CARAT = pp.Literal.using_each(":[]{}~^")
LPAR, RPAR = pp.Suppress.using_each("()")
and_, or_, not_, to_ = pp.CaselessKeyword.using_each("AND OR NOT TO".split())
keyword = and_ | or_ | not_ | to_

expression = pp.Forward().set_name("query expression")

valid_word = pp.Regex(
    r'([a-zA-Z0-9_.-]|\\\\|\\([+\-!(){}\[\]^"~*?:]|\|\||&&))'
    r'([a-zA-Z0-9*_+.-]|\\\\|\\([+\-!(){}\[\]^"~*?:]|\|\||&&)|\*|\?)*'
).setName("word")
valid_word.set_parse_action(
    lambda t: t[0].replace("\\\\", chr(127)).replace("\\", "").replace(chr(127), "\\")
)

string = pp.QuotedString('"')

required_modifier = pp.Literal("+")("required")
prohibit_modifier = pp.Literal("-")("prohibit")
integer = ppc.integer()
proximity_modifier = pp.Group(TILDE + integer("proximity"))
number = ppc.fnumber()
fuzzy_modifier = TILDE + pp.Opt(number, default=0.5)("fuzzy")

term = pp.Forward().set_name("term")
field_name = valid_word().set_name("fieldname")
incl_range_search = pp.Group(LBRACK - term("lower") + to_ + term("upper") + RBRACK).set_name("incl_range_search")
excl_range_search = pp.Group(LBRACE - term("lower") + to_ + term("upper") + RBRACE).set_name("excl_range_search")
range_search = (incl_range_search("incl_range") | excl_range_search("excl_range")).set_name("range_search")
boost = (CARAT - number("boost")).set_name("boost")

string_expr = (pp.Group(string + proximity_modifier) | string).set_name("string_expr")
word_expr = (pp.Group(valid_word + fuzzy_modifier) | valid_word).set_name("word_expr")
term <<= (
    ~keyword
    + pp.Opt(field_name("field") + COLON).set_name("field")
    + (word_expr | string_expr | range_search | pp.Group(LPAR + expression + RPAR))
    + pp.Opt(boost)
)
term.set_parse_action(lambda t: [t] if "field" in t or "boost" in t else None)

expression <<= pp.infixNotation(
    term,
    [
        (required_modifier | prohibit_modifier, 1, pp.OpAssoc.RIGHT),
        ((not_ | "!").set_parse_action(lambda: "NOT"), 1, pp.OpAssoc.RIGHT),
        ((and_ | "&&").set_parse_action(lambda: "AND"), 2, pp.OpAssoc.LEFT),
        (
            pp.Opt(or_ | "||").setName("or").set_parse_action(lambda: "OR"),
            2,
            pp.OpAssoc.LEFT,
        ),
    ],
)

def main():

# test strings taken from grammar description doc, and TestQueryParser.java
    tests = r"""
        # Success tests
        a and b
        a and not b
        a and !b
        a && !b
        a&&!b
        name:a
        name:a and not title:b
        (a^100 c d f) and !z
        name:"blah de blah"
        title:(+return +"pink panther")
        title:"The Right Way" AND text:go
        title:"Do it right" AND right
        title:Do it right
        te?t
        test*
        te*t
        roam~
        roam~0.8
        "jakarta apache"~10
        mod_date:[20020101 TO 20030101]
        title:{Aida TO Carmen}
        jakarta apache
        jakarta^4 apache
        "jakarta apache"^4 "Apache Lucene"
        "jakarta apache" jakarta
        "jakarta apache" OR jakarta
        "jakarta apache" AND "Apache Lucene"
        +jakarta lucene
        "jakarta apache" NOT "Apache Lucene"
        "jakarta apache" -"Apache Lucene"
        (jakarta OR apache) AND website
        title:(+return +"pink panther")
        \(1+1\)\:2
        c\:\\windows
        (fieldX:xxxxx OR fieldy:xxxxxxxx)^2 AND (fieldx:the OR fieldy:foo)
        (fieldX:xxxxx fieldy:xxxxxxxx)^2 AND (fieldx:the fieldy:foo)
        (fieldX:xxxxx~0.5 fieldy:xxxxxxxx)^2 AND (fieldx:the fieldy:foo)
        +term -term term
        foo:term AND field:anotherTerm
        germ term^2.0
        (term)^2.0
        (foo OR bar) AND (baz OR boo)
        +(apple \"steve jobs\") -(foo bar baz)
        +title:(dog OR cat) -author:\"bob dole\"
        a AND b
        +a +b
        (a AND b)
        c OR (a AND b)
        c (+a +b)
        a AND NOT b
        +a -b
        a AND -b
        a AND !b
        a && b
        a && ! b
        a OR b
        a b
        a || b
        a OR !b
        a -b
        a OR ! b
        a OR -b
        a - b
        a + b
        a ! b
        +foo:term +anotherterm
        hello
        term^2.0
        (germ term)^2.0
        term^2
        +(foo bar) +(baz boo)
        ((a OR b) AND NOT c) OR d
        (+(a b) -c) d
        field
        a&&b
        .NET
        term
        germ
        3
        term 1.0 1 2
        term term1 term2
        term term term
        term*
        term*^2
        term*^2.0
        term~
        term~2.0
        term~0.7
        term~^3
        term~2.0^3.0
        term*germ
        term*germ^3
        term*germ^3.0
        term~1.1
        [A TO C]
        t*erm*
        term term^3.0 term
        term stop^3.0 term
        term +stop term
        term -stop term
        drop AND (stop) AND roll
        +drop +roll
        term +(stop) term
        term -(stop) term
        drop AND stop AND roll
        term phrase term
        term (phrase1 phrase2) term
        term AND NOT phrase term
        +term -(phrase1 phrase2) term
        stop^3
        stop
        (stop)^3
        ((stop))^3
        (stop^3)
        ((stop)^3)
        (stop)
        ((stop))
        term +stop
        [ a TO z]
        [a TO z]
        [ a TO z ]
        { a TO z}
        {a TO z}
        { a TO z }
        { a TO z }^2.0
        {a TO z}^2.0
        [ a TO z] OR bar
        [a TO z] bar
        [ a TO z] AND bar
        +[a TO z] +bar
        ( bar blar { a TO z})
        bar blar {a TO z}
        gack ( bar blar { a TO z})
        gack (bar blar {a TO z})
        [\* TO \*]
        \!blah
        \:blah
        blah
        \~blah
        \*blah
        a
        a-b:c
        a+b:c
        a\:b:c
        a\\b:c
        a:b-c
        a:b+c
        a:b\:c
        a:b\\c
        a:b-c*
        a:b+c*
        a:b\:c*
        a:b\\c*
        a:b-c~2.0
        a:b+c~2.0
        a:b\:c~
        a:b\\c~
        [a- TO a+]
        [ a\\ TO a\* ]
        c\:\\temp\\\~foo.txt
        abc
        XYZ
        (item:\\ item:ABCD\\)
        \*
        blah*blah
        blah?blah
        \\
        \||
        \&&
        a\:b\:c
        a\\b\:c
        a\:b\\c
        a\:b\:c\*
        a\:b\\\\c\*
        a:b-c~
        a:b+c~
        a\:b\:c\~
        a\:b\\c\~
        +weltbank +worlbank
        +term +term +term
        term +term term
        term term +term
        term +term +term
        -term term term
        -term +term +term
        on
        on^1.0
        hello^2.0
        the^3
        the
        some phrase
        xunit~
        one two three
        A AND B OR C AND D
        +A +B +C +D
        foo:zoo*
        foo:zoo*^2
        zoo
        a:the OR a:foo
        a:woo OR a:the
        "the wizard of ozzy"
        """

failtests = r"""
        # Failure tests

# multiple ':'s in term
        field:term:with:colon some more terms

# multiple '^'s in term
        (sub query)^5.0^2.0 plus more
        
        # cannot start with * or ?
        *term1 AND term2 
        ?term3 OR term4
        *

# unbounded '*' range terms
        [* TO Z]
        [* TO z]
        [A TO *]
        [a TO *]
        [* TO *]

# unbounded field values
        foo:*
        foo:*^2
        *:foo
        *:*
        (*:*)
        +*:* -*:*

a:b:c
        a:b:c~
        a:b:c*
        a:b:c~2.0
        """
    # strings with backslashes still to be tested
    z = r"""
        \+blah
        \-blah
        foo \|| bar
        foo \AND bar
        \a
        a\-b:c
        a\+b:c
        a\b:c
        a:b\-c
        a:b\+c
        a\-b\:c
        a\+b\:c
        a:b\c*
        a:b\-c~
        a:b\+c~
        a:b\c
        a:b\-c*
        a:b\+c*
        [ a\- TO a\+ ]
        [a\ TO a*]
        a\\\+b
        a\+b
        c:\temp\~foo.txt
        XY\
        a\u0062c
        a:b\c~2.0
        XY\u005a
        XY\u005A
        item:\ item:ABCD\
        \
        a\ or b
        a\:b\-c
        a\:b\+c
        a\:b\-c\*
        a\:b\+c\*
        a\:b\-c\~
        a\:b\+c\~
        a:b\c~
        [ a\ TO a* ]
        """

success1, _ = expression.runTests(tests)
    success2, _ = expression.runTests(failtests, failureTests=True)

print("\n")
    print(f"Success tests: {'OK' if success1 else 'FAIL'}")
    print(f"Fail tests:    {'OK' if success2 else 'FAIL'}")
    print(f"All tests:     {'OK' if (success1 and success2) else 'FAIL'}")

if not (success1 and success2):
        import sys

sys.exit(1)

if __name__ == "__main__":
    import contextlib

with contextlib.suppress(Exception):
        expression.create_diagram(
            "lucene_grammar_diagram.html", vertical=2, show_groups=True
        )

main()

${this.title}

Code Editor : lucene_grammar.py