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Diffstat (limited to 'pygments/lexers/rdf.py')
| -rw-r--r-- | pygments/lexers/rdf.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/pygments/lexers/rdf.py b/pygments/lexers/rdf.py new file mode 100644 index 00000000..bd3c06c1 --- /dev/null +++ b/pygments/lexers/rdf.py @@ -0,0 +1,98 @@ +# -*- coding: utf-8 -*- +""" + pygments.lexers.rdf + ~~~~~~~~~~~~~~~~~~~ + + Lexers for semantic web and RDF query languages and markup. + + :copyright: Copyright 2012-2014 by the Pygments team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" +import re + +from pygments.lexer import RegexLexer, include, this, bygroups, include +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][a-z\d_\-]*)(\s*)(\:)', + bygroups(Keyword, Whitespace, Name.Namespace, Whitespace, + Punctuation)), + (r'\?[a-z_][a-z\d_]*', Name.Variable), + (r'<[^>]+>', Name.Label), + (r'([a-z][a-z\d_\-]*)(\:)([a-z][a-z\d_\-]*)', + 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+)?[eE][+\-]?\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'), + (r'', Text, '#pop:2'), + ], + } |