Gecko [ fernandoquevedodop.com ]

Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	11 KB	-rw-r--r--
_asy_builtins.py	26.65 KB	-rw-r--r--
_cl_builtins.py	13.67 KB	-rw-r--r--
_cocoa_builtins.py	102.72 KB	-rw-r--r--
_csound_builtins.py	17.84 KB	-rw-r--r--
_julia_builtins.py	11.6 KB	-rw-r--r--
_lasso_builtins.py	131.36 KB	-rw-r--r--
_lilypond_builtins.py	101.67 KB	-rw-r--r--
_lua_builtins.py	8.08 KB	-rw-r--r--
_mapping.py	62.33 KB	-rw-r--r--
_mql_builtins.py	24.13 KB	-rw-r--r--
_mysql_builtins.py	23.92 KB	-rw-r--r--
_openedge_builtins.py	48.24 KB	-rw-r--r--
_php_builtins.py	150.72 KB	-rw-r--r--
_postgres_builtins.py	11.9 KB	-rw-r--r--
_scilab_builtins.py	51.15 KB	-rw-r--r--
_sourcemod_builtins.py	26.42 KB	-rw-r--r--
_stan_builtins.py	10.21 KB	-rw-r--r--
_stata_builtins.py	26.59 KB	-rw-r--r--
_tsql_builtins.py	15.1 KB	-rw-r--r--
_usd_builtins.py	1.62 KB	-rw-r--r--
_vbscript_builtins.py	4.13 KB	-rw-r--r--
_vim_builtins.py	55.73 KB	-rw-r--r--
actionscript.py	11.31 KB	-rw-r--r--
agile.py	876 B	-rw-r--r--
algebra.py	7.59 KB	-rw-r--r--
ambient.py	2.54 KB	-rw-r--r--
amdgpu.py	1.57 KB	-rw-r--r--
ampl.py	4.05 KB	-rw-r--r--
apdlexer.py	26.04 KB	-rw-r--r--
apl.py	3.32 KB	-rw-r--r--
archetype.py	11.17 KB	-rw-r--r--
arrow.py	3.47 KB	-rw-r--r--
asc.py	1.54 KB	-rw-r--r--
asm.py	40.19 KB	-rw-r--r--
automation.py	19.34 KB	-rw-r--r--
bare.py	2.97 KB	-rw-r--r--
basic.py	27.22 KB	-rw-r--r--
bdd.py	1.59 KB	-rw-r--r--
bibtex.py	4.62 KB	-rw-r--r--
boa.py	3.87 KB	-rw-r--r--
business.py	27.4 KB	-rw-r--r--
c_cpp.py	15.67 KB	-rw-r--r--
c_like.py	28.45 KB	-rw-r--r--
capnproto.py	2.17 KB	-rw-r--r--
cddl.py	5.2 KB	-rw-r--r--
chapel.py	4.89 KB	-rw-r--r--
clean.py	6.24 KB	-rw-r--r--
compiled.py	1.33 KB	-rw-r--r--
configs.py	39.49 KB	-rw-r--r--
console.py	4.05 KB	-rw-r--r--
crystal.py	15.41 KB	-rw-r--r--
csound.py	16.56 KB	-rw-r--r--
css.py	31.15 KB	-rw-r--r--
d.py	9.61 KB	-rw-r--r--
dalvik.py	4.47 KB	-rw-r--r--
data.py	23.96 KB	-rw-r--r--
devicetree.py	3.92 KB	-rw-r--r--
diff.py	5.04 KB	-rw-r--r--
dotnet.py	28.47 KB	-rw-r--r--
dsls.py	35.45 KB	-rw-r--r--
dylan.py	10.16 KB	-rw-r--r--
ecl.py	6.09 KB	-rw-r--r--
eiffel.py	2.6 KB	-rw-r--r--
elm.py	3.08 KB	-rw-r--r--
elpi.py	5.83 KB	-rw-r--r--
email.py	4.97 KB	-rw-r--r--
erlang.py	18.76 KB	-rw-r--r--
esoteric.py	10.17 KB	-rw-r--r--
ezhil.py	3.27 KB	-rw-r--r--
factor.py	19.12 KB	-rw-r--r--
fantom.py	9.96 KB	-rw-r--r--
felix.py	9.41 KB	-rw-r--r--
floscript.py	2.6 KB	-rw-r--r--
forth.py	6.99 KB	-rw-r--r--
fortran.py	10.07 KB	-rw-r--r--
foxpro.py	25.6 KB	-rw-r--r--
freefem.py	26.43 KB	-rw-r--r--
functional.py	674 B	-rw-r--r--
futhark.py	3.64 KB	-rw-r--r--
gcodelexer.py	826 B	-rw-r--r--
gdscript.py	10.94 KB	-rw-r--r--
go.py	3.65 KB	-rw-r--r--
grammar_notation.py	7.83 KB	-rw-r--r--
graph.py	3.77 KB	-rw-r--r--
graphics.py	38.15 KB	-rw-r--r--
graphviz.py	1.83 KB	-rw-r--r--
gsql.py	3.68 KB	-rw-r--r--
haskell.py	31.98 KB	-rw-r--r--
haxe.py	30.21 KB	-rw-r--r--
hdl.py	21.99 KB	-rw-r--r--
hexdump.py	3.52 KB	-rw-r--r--
html.py	19.34 KB	-rw-r--r--
idl.py	14.87 KB	-rw-r--r--
igor.py	29.87 KB	-rw-r--r--
inferno.py	3.02 KB	-rw-r--r--
installers.py	12.8 KB	-rw-r--r--
int_fiction.py	55.32 KB	-rw-r--r--
iolang.py	1.84 KB	-rw-r--r--
j.py	4.4 KB	-rw-r--r--
javascript.py	58.67 KB	-rw-r--r--
jslt.py	3.61 KB	-rw-r--r--
julia.py	11 KB	-rw-r--r--
jvm.py	70.05 KB	-rw-r--r--
kuin.py	10.5 KB	-rw-r--r--
lilypond.py	8.26 KB	-rw-r--r--
lisp.py	139.4 KB	-rw-r--r--
make.py	7.26 KB	-rw-r--r--
markup.py	26.11 KB	-rw-r--r--
math.py	676 B	-rw-r--r--
matlab.py	129.3 KB	-rw-r--r--
maxima.py	2.65 KB	-rw-r--r--
meson.py	4.33 KB	-rw-r--r--
mime.py	7.36 KB	-rw-r--r--
ml.py	34.47 KB	-rw-r--r--
modeling.py	13.07 KB	-rw-r--r--
modula2.py	51.82 KB	-rw-r--r--
monte.py	6.14 KB	-rw-r--r--
mosel.py	8.97 KB	-rw-r--r--
ncl.py	62.46 KB	-rw-r--r--
nimrod.py	5 KB	-rw-r--r--
nit.py	2.66 KB	-rw-r--r--
nix.py	3.91 KB	-rw-r--r--
oberon.py	4.11 KB	-rw-r--r--
objective.py	22.26 KB	-rw-r--r--
ooc.py	2.91 KB	-rw-r--r--
other.py	1.7 KB	-rw-r--r--
parasail.py	2.65 KB	-rw-r--r--
parsers.py	25.27 KB	-rw-r--r--
pascal.py	31.84 KB	-rw-r--r--
pawn.py	7.96 KB	-rw-r--r--
perl.py	38.16 KB	-rw-r--r--
php.py	12.25 KB	-rw-r--r--
pointless.py	1.92 KB	-rw-r--r--
pony.py	3.17 KB	-rw-r--r--
praat.py	11.99 KB	-rw-r--r--
procfile.py	1.19 KB	-rw-r--r--
prolog.py	12.09 KB	-rw-r--r--
promql.py	4.63 KB	-rw-r--r--
python.py	51.49 KB	-rw-r--r--
qvt.py	5.93 KB	-rw-r--r--
r.py	6.02 KB	-rw-r--r--
rdf.py	15.42 KB	-rw-r--r--
rebol.py	18.16 KB	-rw-r--r--
resource.py	2.83 KB	-rw-r--r--
ride.py	4.93 KB	-rw-r--r--
rita.py	1.16 KB	-rw-r--r--
rnc.py	1.92 KB	-rw-r--r--
roboconf.py	2 KB	-rw-r--r--
robotframework.py	17.99 KB	-rw-r--r--
ruby.py	22.14 KB	-rw-r--r--
rust.py	7.99 KB	-rw-r--r--
sas.py	9.2 KB	-rw-r--r--
savi.py	4.24 KB	-rw-r--r--
scdoc.py	2.19 KB	-rw-r--r--
scripting.py	68.41 KB	-rw-r--r--
sgf.py	2 KB	-rw-r--r--
shell.py	35.06 KB	-rw-r--r--
sieve.py	2.24 KB	-rw-r--r--
slash.py	8.28 KB	-rw-r--r--
smalltalk.py	7.02 KB	-rw-r--r--
smithy.py	2.6 KB	-rw-r--r--
smv.py	2.71 KB	-rw-r--r--
snobol.py	2.67 KB	-rw-r--r--
solidity.py	3.1 KB	-rw-r--r--
sophia.py	3.29 KB	-rw-r--r--
special.py	3.37 KB	-rw-r--r--
spice.py	2.06 KB	-rw-r--r--
sql.py	33.42 KB	-rw-r--r--
srcinfo.py	1.63 KB	-rw-r--r--
stata.py	6.26 KB	-rw-r--r--
supercollider.py	3.61 KB	-rw-r--r--
tcl.py	5.27 KB	-rw-r--r--
teal.py	3.41 KB	-rw-r--r--
templates.py	69.96 KB	-rw-r--r--
teraterm.py	9.65 KB	-rw-r--r--
testing.py	10.52 KB	-rw-r--r--
text.py	1006 B	-rw-r--r--
textedit.py	7.44 KB	-rw-r--r--
textfmts.py	14.8 KB	-rw-r--r--
theorem.py	19.15 KB	-rw-r--r--
thingsdb.py	4.13 KB	-rw-r--r--
tnt.py	10.27 KB	-rw-r--r--
trafficscript.py	1.48 KB	-rw-r--r--
typoscript.py	8.01 KB	-rw-r--r--
unicon.py	18.08 KB	-rw-r--r--
urbi.py	5.9 KB	-rw-r--r--
usd.py	3.37 KB	-rw-r--r--
varnish.py	7.07 KB	-rw-r--r--
verification.py	3.82 KB	-rw-r--r--
web.py	894 B	-rw-r--r--
webassembly.py	5.56 KB	-rw-r--r--
webidl.py	10.23 KB	-rw-r--r--
webmisc.py	39.07 KB	-rw-r--r--
whiley.py	3.89 KB	-rw-r--r--
x10.py	1.84 KB	-rw-r--r--
xorg.py	865 B	-rw-r--r--
yang.py	4.42 KB	-rw-r--r--
zig.py	3.85 KB	-rw-r--r--

Code Editor : rdf.py

"""
    pygments.lexers.rdf
    ~~~~~~~~~~~~~~~~~~~

Lexers for semantic web and RDF query languages and markup.

:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import re

from pygments.lexer import RegexLexer, bygroups, default
from pygments.token import Keyword, Punctuation, String, Number, Operator, Generic, \
    Whitespace, Name, Literal, Comment, Text

__all__ = ['SparqlLexer', 'TurtleLexer', 'ShExCLexer']

class SparqlLexer(RegexLexer):
    """
    Lexer for `SPARQL <https://www.w3.org/TR/sparql11-query/>`_ query language.

.. versionadded:: 2.0
    """
    name = 'SPARQL'
    aliases = ['sparql']
    filenames = ['*.rq', '*.sparql']
    mimetypes = ['application/sparql-query']

# character group definitions ::

PN_CHARS_BASE_GRP = ('a-zA-Z'
                         '\u00c0-\u00d6'
                         '\u00d8-\u00f6'
                         '\u00f8-\u02ff'
                         '\u0370-\u037d'
                         '\u037f-\u1fff'
                         '\u200c-\u200d'
                         '\u2070-\u218f'
                         '\u2c00-\u2fef'
                         '\u3001-\ud7ff'
                         '\uf900-\ufdcf'
                         '\ufdf0-\ufffd')

PN_CHARS_U_GRP = (PN_CHARS_BASE_GRP + '_')

PN_CHARS_GRP = (PN_CHARS_U_GRP +
                    r'\-' +
                    r'0-9' +
                    '\u00b7' +
                    '\u0300-\u036f' +
                    '\u203f-\u2040')

HEX_GRP = '0-9A-Fa-f'

PN_LOCAL_ESC_CHARS_GRP = r' _~.\-!$&"()*+,;=/?#@%'

# terminal productions ::

PN_CHARS_BASE = '[' + PN_CHARS_BASE_GRP + ']'

PN_CHARS_U = '[' + PN_CHARS_U_GRP + ']'

PN_CHARS = '[' + PN_CHARS_GRP + ']'

HEX = '[' + HEX_GRP + ']'

PN_LOCAL_ESC_CHARS = '[' + PN_LOCAL_ESC_CHARS_GRP + ']'

IRIREF = r'<(?:[^<>"{}|^`\\\x00-\x20])*>'

BLANK_NODE_LABEL = '_:[0-9' + PN_CHARS_U_GRP + '](?:[' + PN_CHARS_GRP + \
                       '.]*' + PN_CHARS + ')?'

PN_PREFIX = PN_CHARS_BASE + '(?:[' + PN_CHARS_GRP + '.]*' + PN_CHARS + ')?'

VARNAME = '[0-9' + PN_CHARS_U_GRP + '][' + PN_CHARS_U_GRP + \
              '0-9\u00b7\u0300-\u036f\u203f-\u2040]*'

PERCENT = '%' + HEX + HEX

PN_LOCAL_ESC = r'\\' + PN_LOCAL_ESC_CHARS

PLX = '(?:' + PERCENT + ')|(?:' + PN_LOCAL_ESC + ')'

PN_LOCAL = ('(?:[' + PN_CHARS_U_GRP + ':0-9' + ']|' + PLX + ')' +
                '(?:(?:[' + PN_CHARS_GRP + '.:]|' + PLX + ')*(?:[' +
                PN_CHARS_GRP + ':]|' + PLX + '))?')

EXPONENT = r'[eE][+-]?\d+'

# Lexer token definitions ::

tokens = {
        'root': [
            (r'\s+', Text),
            # keywords ::
            (r'(?i)(select|construct|describe|ask|where|filter|group\s+by|minus|'
             r'distinct|reduced|from\s+named|from|order\s+by|desc|asc|limit|'
             r'offset|values|bindings|load|into|clear|drop|create|add|move|copy|'
             r'insert\s+data|delete\s+data|delete\s+where|with|delete|insert|'
             r'using\s+named|using|graph|default|named|all|optional|service|'
             r'silent|bind|undef|union|not\s+in|in|as|having|to|prefix|base)\b', Keyword),
            (r'(a)\b', Keyword),
            # IRIs ::
            ('(' + IRIREF + ')', Name.Label),
            # blank nodes ::
            ('(' + BLANK_NODE_LABEL + ')', Name.Label),
            #  # variables ::
            ('[?$]' + VARNAME, Name.Variable),
            # prefixed names ::
            (r'(' + PN_PREFIX + r')?(\:)(' + PN_LOCAL + r')?',
             bygroups(Name.Namespace, Punctuation, Name.Tag)),
            # function names ::
            (r'(?i)(str|lang|langmatches|datatype|bound|iri|uri|bnode|rand|abs|'
             r'ceil|floor|round|concat|strlen|ucase|lcase|encode_for_uri|'
             r'contains|strstarts|strends|strbefore|strafter|year|month|day|'
             r'hours|minutes|seconds|timezone|tz|now|uuid|struuid|md5|sha1|sha256|sha384|'
             r'sha512|coalesce|if|strlang|strdt|sameterm|isiri|isuri|isblank|'
             r'isliteral|isnumeric|regex|substr|replace|exists|not\s+exists|'
             r'count|sum|min|max|avg|sample|group_concat|separator)\b',
             Name.Function),
            # boolean literals ::
            (r'(true|false)', Keyword.Constant),
            # double literals ::
            (r'[+\-]?(\d+\.\d*' + EXPONENT + r'|\.?\d+' + EXPONENT + ')', Number.Float),
            # decimal literals ::
            (r'[+\-]?(\d+\.\d*|\.\d+)', Number.Float),
            # integer literals ::
            (r'[+\-]?\d+', Number.Integer),
            # operators ::
            (r'(\|\||&&|=|\*|\-|\+|/|!=|<=|>=|!|<|>)', Operator),
            # punctuation characters ::
            (r'[(){}.;,:^\[\]]', Punctuation),
            # line comments ::
            (r'#[^\n]*', Comment),
            # strings ::
            (r'"""', String, 'triple-double-quoted-string'),
            (r'"', String, 'single-double-quoted-string'),
            (r"'''", String, 'triple-single-quoted-string'),
            (r"'", String, 'single-single-quoted-string'),
        ],
        'triple-double-quoted-string': [
            (r'"""', String, 'end-of-string'),
            (r'[^\\]+', String),
            (r'\\', String, 'string-escape'),
        ],
        'single-double-quoted-string': [
            (r'"', String, 'end-of-string'),
            (r'[^"\\\n]+', String),
            (r'\\', String, 'string-escape'),
        ],
        'triple-single-quoted-string': [
            (r"'''", String, 'end-of-string'),
            (r'[^\\]+', String),
            (r'\\', String.Escape, 'string-escape'),
        ],
        'single-single-quoted-string': [
            (r"'", String, 'end-of-string'),
            (r"[^'\\\n]+", String),
            (r'\\', String, 'string-escape'),
        ],
        'string-escape': [
            (r'u' + HEX + '{4}', String.Escape, '#pop'),
            (r'U' + HEX + '{8}', String.Escape, '#pop'),
            (r'.', String.Escape, '#pop'),
        ],
        'end-of-string': [
            (r'(@)([a-zA-Z]+(?:-[a-zA-Z0-9]+)*)',
             bygroups(Operator, Name.Function), '#pop:2'),
            (r'\^\^', Operator, '#pop:2'),
            default('#pop:2'),
        ],
    }

class TurtleLexer(RegexLexer):
    """
    Lexer for `Turtle <http://www.w3.org/TR/turtle/>`_ data language.

.. versionadded:: 2.1
    """
    name = 'Turtle'
    aliases = ['turtle']
    filenames = ['*.ttl']
    mimetypes = ['text/turtle', 'application/x-turtle']

# character group definitions ::
    PN_CHARS_BASE_GRP = ('a-zA-Z'
                         '\u00c0-\u00d6'
                         '\u00d8-\u00f6'
                         '\u00f8-\u02ff'
                         '\u0370-\u037d'
                         '\u037f-\u1fff'
                         '\u200c-\u200d'
                         '\u2070-\u218f'
                         '\u2c00-\u2fef'
                         '\u3001-\ud7ff'
                         '\uf900-\ufdcf'
                         '\ufdf0-\ufffd')

PN_CHARS_U_GRP = (PN_CHARS_BASE_GRP + '_')

PN_CHARS_GRP = (PN_CHARS_U_GRP +
                    r'\-' +
                    r'0-9' +
                    '\u00b7' +
                    '\u0300-\u036f' +
                    '\u203f-\u2040')

PN_CHARS = '[' + PN_CHARS_GRP + ']'

PN_CHARS_BASE = '[' + PN_CHARS_BASE_GRP + ']'

PN_PREFIX = PN_CHARS_BASE + '(?:[' + PN_CHARS_GRP + '.]*' + PN_CHARS + ')?'

HEX_GRP = '0-9A-Fa-f'

HEX = '[' + HEX_GRP + ']'

PERCENT = '%' + HEX + HEX

PN_LOCAL_ESC_CHARS_GRP = r' _~.\-!$&"()*+,;=/?#@%'

PN_LOCAL_ESC_CHARS = '[' + PN_LOCAL_ESC_CHARS_GRP + ']'

PN_LOCAL_ESC = r'\\' + PN_LOCAL_ESC_CHARS

PLX = '(?:' + PERCENT + ')|(?:' + PN_LOCAL_ESC + ')'

PN_LOCAL = ('(?:[' + PN_CHARS_U_GRP + ':0-9' + ']|' + PLX + ')' +
                '(?:(?:[' + PN_CHARS_GRP + '.:]|' + PLX + ')*(?:[' +
                PN_CHARS_GRP + ':]|' + PLX + '))?')

patterns = {
        'PNAME_NS': r'((?:[a-zA-Z][\w-]*)?\:)',  # Simplified character range
        'IRIREF': r'(<[^<>"{}|^`\\\x00-\x20]*>)'
    }

tokens = {
        'root': [
            (r'\s+', Text),

# Base / prefix
            (r'(@base|BASE)(\s+)%(IRIREF)s(\s*)(\.?)' % patterns,
             bygroups(Keyword, Whitespace, Name.Variable, Whitespace,
                      Punctuation)),
            (r'(@prefix|PREFIX)(\s+)%(PNAME_NS)s(\s+)%(IRIREF)s(\s*)(\.?)' % patterns,
             bygroups(Keyword, Whitespace, Name.Namespace, Whitespace,
                      Name.Variable, Whitespace, Punctuation)),

# The shorthand predicate 'a'
            (r'(?<=\s)a(?=\s)', Keyword.Type),

# IRIREF
            (r'%(IRIREF)s' % patterns, Name.Variable),

# PrefixedName
            (r'(' + PN_PREFIX + r')?(\:)(' + PN_LOCAL + r')?',
             bygroups(Name.Namespace, Punctuation, Name.Tag)),

# Comment
            (r'#[^\n]+', Comment),

(r'\b(true|false)\b', Literal),
            (r'[+\-]?\d*\.\d+', Number.Float),
            (r'[+\-]?\d*(:?\.\d+)?E[+\-]?\d+', Number.Float),
            (r'[+\-]?\d+', Number.Integer),
            (r'[\[\](){}.;,:^]', Punctuation),

(r'"""', String, 'triple-double-quoted-string'),
            (r'"', String, 'single-double-quoted-string'),
            (r"'''", String, 'triple-single-quoted-string'),
            (r"'", String, 'single-single-quoted-string'),
        ],
        'triple-double-quoted-string': [
            (r'"""', String, 'end-of-string'),
            (r'[^\\]+', String),
            (r'\\', String, 'string-escape'),
        ],
        'single-double-quoted-string': [
            (r'"', String, 'end-of-string'),
            (r'[^"\\\n]+', String),
            (r'\\', String, 'string-escape'),
        ],
        'triple-single-quoted-string': [
            (r"'''", String, 'end-of-string'),
            (r'[^\\]+', String),
            (r'\\', String, 'string-escape'),
        ],
        'single-single-quoted-string': [
            (r"'", String, 'end-of-string'),
            (r"[^'\\\n]+", String),
            (r'\\', String, 'string-escape'),
        ],
        'string-escape': [
            (r'.', String, '#pop'),
        ],
        'end-of-string': [
            (r'(@)([a-zA-Z]+(?:-[a-zA-Z0-9]+)*)',
             bygroups(Operator, Generic.Emph), '#pop:2'),

(r'(\^\^)%(IRIREF)s' % patterns, bygroups(Operator, Generic.Emph), '#pop:2'),

default('#pop:2'),

],
    }

# Turtle and Tera Term macro files share the same file extension
    # but each has a recognizable and distinct syntax.
    def analyse_text(text):
        for t in ('@base ', 'BASE ', '@prefix ', 'PREFIX '):
            if re.search(r'^\s*%s' % t, text):
                return 0.80

class ShExCLexer(RegexLexer):
    """
    Lexer for `ShExC <https://shex.io/shex-semantics/#shexc>`_ shape expressions language syntax.
    """
    name = 'ShExC'
    aliases = ['shexc', 'shex']
    filenames = ['*.shex']
    mimetypes = ['text/shex']

# character group definitions ::

PN_CHARS_U_GRP = (PN_CHARS_BASE_GRP + '_')

PN_CHARS_GRP = (PN_CHARS_U_GRP +
                    r'\-' +
                    r'0-9' +
                    '\u00b7' +
                    '\u0300-\u036f' +
                    '\u203f-\u2040')

HEX_GRP = '0-9A-Fa-f'

PN_LOCAL_ESC_CHARS_GRP = r"_~.\-!$&'()*+,;=/?#@%"

# terminal productions ::

PN_CHARS_BASE = '[' + PN_CHARS_BASE_GRP + ']'

PN_CHARS_U = '[' + PN_CHARS_U_GRP + ']'

PN_CHARS = '[' + PN_CHARS_GRP + ']'

HEX = '[' + HEX_GRP + ']'

PN_LOCAL_ESC_CHARS = '[' + PN_LOCAL_ESC_CHARS_GRP + ']'

UCHAR_NO_BACKSLASH = '(?:u' + HEX + '{4}|U' + HEX + '{8})'

UCHAR = r'\\' + UCHAR_NO_BACKSLASH

IRIREF = r'<(?:[^\x00-\x20<>"{}|^`\\]|' + UCHAR + ')*>'

BLANK_NODE_LABEL = '_:[0-9' + PN_CHARS_U_GRP + '](?:[' + PN_CHARS_GRP + \
                       '.]*' + PN_CHARS + ')?'

PN_PREFIX = PN_CHARS_BASE + '(?:[' + PN_CHARS_GRP + '.]*' + PN_CHARS + ')?'

PERCENT = '%' + HEX + HEX

PN_LOCAL_ESC = r'\\' + PN_LOCAL_ESC_CHARS

PLX = '(?:' + PERCENT + ')|(?:' + PN_LOCAL_ESC + ')'

PN_LOCAL = ('(?:[' + PN_CHARS_U_GRP + ':0-9' + ']|' + PLX + ')' +
                '(?:(?:[' + PN_CHARS_GRP + '.:]|' + PLX + ')*(?:[' +
                PN_CHARS_GRP + ':]|' + PLX + '))?')

EXPONENT = r'[eE][+-]?\d+'

# Lexer token definitions ::

tokens = {
        'root': [
            (r'\s+', Text),
            # keywords ::
            (r'(?i)(base|prefix|start|external|'
             r'literal|iri|bnode|nonliteral|length|minlength|maxlength|'
             r'mininclusive|minexclusive|maxinclusive|maxexclusive|'
             r'totaldigits|fractiondigits|'
             r'closed|extra)\b', Keyword),
            (r'(a)\b', Keyword),
            # IRIs ::
            ('(' + IRIREF + ')', Name.Label),
            # blank nodes ::
            ('(' + BLANK_NODE_LABEL + ')', Name.Label),
            # prefixed names ::
            (r'(' + PN_PREFIX + r')?(\:)(' + PN_LOCAL + ')?',
             bygroups(Name.Namespace, Punctuation, Name.Tag)),
            # boolean literals ::
            (r'(true|false)', Keyword.Constant),
            # double literals ::
            (r'[+\-]?(\d+\.\d*' + EXPONENT + r'|\.?\d+' + EXPONENT + ')', Number.Float),
            # decimal literals ::
            (r'[+\-]?(\d+\.\d*|\.\d+)', Number.Float),
            # integer literals ::
            (r'[+\-]?\d+', Number.Integer),
            # operators ::
            (r'[@|$&=*+?^\-~]', Operator),
            # operator keywords ::
            (r'(?i)(and|or|not)\b', Operator.Word),
            # punctuation characters ::
            (r'[(){}.;,:^\[\]]', Punctuation),
            # line comments ::
            (r'#[^\n]*', Comment),
            # strings ::
            (r'"""', String, 'triple-double-quoted-string'),
            (r'"', String, 'single-double-quoted-string'),
            (r"'''", String, 'triple-single-quoted-string'),
            (r"'", String, 'single-single-quoted-string'),
        ],
        'triple-double-quoted-string': [
            (r'"""', String, 'end-of-string'),
            (r'[^\\]+', String),
            (r'\\', String, 'string-escape'),
        ],
        'single-double-quoted-string': [
            (r'"', String, 'end-of-string'),
            (r'[^"\\\n]+', String),
            (r'\\', String, 'string-escape'),
        ],
        'triple-single-quoted-string': [
            (r"'''", String, 'end-of-string'),
            (r'[^\\]+', String),
            (r'\\', String.Escape, 'string-escape'),
        ],
        'single-single-quoted-string': [
            (r"'", String, 'end-of-string'),
            (r"[^'\\\n]+", String),
            (r'\\', String, 'string-escape'),
        ],
        'string-escape': [
            (UCHAR_NO_BACKSLASH, String.Escape, '#pop'),
            (r'.', String.Escape, '#pop'),
        ],
        'end-of-string': [
            (r'(@)([a-zA-Z]+(?:-[a-zA-Z0-9]+)*)',
             bygroups(Operator, Name.Function), '#pop:2'),
            (r'\^\^', Operator, '#pop:2'),
            default('#pop:2'),
        ],
    }

${this.title}

Code Editor : rdf.py