99 lines
3.7 KiB
Python
99 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
pygments.lexers.rdf
|
|
~~~~~~~~~~~~~~~~~~~
|
|
|
|
Lexers for semantic web and RDF query languages and markup.
|
|
|
|
:copyright: Copyright 2006-2014 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, \
|
|
Whitespace, Name, Literal, Comment, Text
|
|
|
|
__all__ = ['SparqlLexer']
|
|
|
|
|
|
class SparqlLexer(RegexLexer):
|
|
"""
|
|
Lexer for `SPARQL <http://www.w3.org/TR/rdf-sparql-query/>`_ query language.
|
|
|
|
.. versionadded:: 2.0
|
|
"""
|
|
name = 'SPARQL'
|
|
aliases = ['sparql']
|
|
filenames = ['*.rq', '*.sparql']
|
|
mimetypes = ['application/sparql-query']
|
|
|
|
flags = re.IGNORECASE
|
|
|
|
tokens = {
|
|
'root': [
|
|
(r'\s+', Whitespace),
|
|
(r'(select|construct|describe|ask|where|filter|group\s+by|minus|'
|
|
r'distinct|reduced|from named|from|order\s+by|limit|'
|
|
r'offset|bindings|load|clear|drop|create|add|move|copy|'
|
|
r'insert\s+data|delete\s+data|delete\s+where|delete|insert|'
|
|
r'using named|using|graph|default|named|all|optional|service|'
|
|
r'silent|bind|union|not in|in|as|a)', Keyword),
|
|
(r'(prefix|base)(\s+)([a-z][\w-]*)(\s*)(\:)',
|
|
bygroups(Keyword, Whitespace, Name.Namespace, Whitespace,
|
|
Punctuation)),
|
|
(r'\?[a-z_]\w*', Name.Variable),
|
|
(r'<[^>]+>', Name.Label),
|
|
(r'([a-z][\w-]*)(\:)([a-z][\w-]*)',
|
|
bygroups(Name.Namespace, Punctuation, Name.Tag)),
|
|
(r'(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|md5|sha1|sha256|sha384|'
|
|
r'sha512|coalesce|if|strlang|strdt|sameterm|isiri|isuri|isblank|'
|
|
r'isliteral|isnumeric|regex|substr|replace|exists|not exists|'
|
|
r'count|sum|min|max|avg|sample|group_concat|separator)\b',
|
|
Name.Function),
|
|
(r'(true|false)', Literal),
|
|
(r'[+\-]?\d*\.\d+', Number.Float),
|
|
(r'[+\-]?\d*(:?\.\d+)?E[+\-]?\d+', Number.Float),
|
|
(r'[+\-]?\d+', Number.Integer),
|
|
(r'(\|\||&&|=|\*|\-|\+|/)', Operator),
|
|
(r'[(){}.;,:^]', Punctuation),
|
|
(r'#[^\n]+', Comment),
|
|
(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-z]+(:?-[a-z0-9]+)*)',
|
|
bygroups(Operator, Name.Function), '#pop:2'),
|
|
(r'\^\^', Operator, '#pop:2'),
|
|
default('#pop:2'),
|
|
],
|
|
}
|