Quelle graph.py Sprache: Python

"""
    pygments.lexers.graph
    ~~~~~~~~~~~~~~~~~~~~~

    Lexers for graph query languages.

    :copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import re

from pygments.lexer import RegexLexer, include, bygroups, using, this, words
from pygments.token import Keyword, Punctuation, Comment, Operator, Name,\
    String, Number, Whitespace

__all__ = ['CypherLexer']

class CypherLexer(RegexLexer):
    """
    For Cypher Query Language

    For the Cypher version in Neo4j 3.3
    """
    name = 'Cypher'
    url = 'https://neo4j.com/docs/developer-manual/3.3/cypher/'
    aliases = ['cypher']
    filenames = ['*.cyp', '*.cypher']
    version_added = '2.0'

    flags = re.MULTILINE | re.IGNORECASE

    tokens = {
        'root': [
            include('clauses'),
            include('keywords'),
            include('relations'),
            include('strings'),
            include('whitespace'),
            include('barewords'),
            include('comment'),
        ],
        'keywords': [
            (r'(create|order|match|limit|set|skip|start|return|with|where|'
             r'delete|foreach|not|by|true|false)\b', Keyword),
        ],
        'clauses': [
            # based on https://neo4j.com/docs/cypher-refcard/3.3/
            (r'(create)(\s+)(index|unique)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(drop)(\s+)(contraint|index)(\s+)(on)\b',
                bygroups(Keyword, Whitespace, Keyword, Whitespace, Keyword)),
            (r'(ends)(\s+)(with)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(is)(\s+)(node)(\s+)(key)\b',
                bygroups(Keyword, Whitespace, Keyword, Whitespace, Keyword)),
            (r'(is)(\s+)(null|unique)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(load)(\s+)(csv)(\s+)(from)\b',
                bygroups(Keyword, Whitespace, Keyword, Whitespace, Keyword)),
            (r'(on)(\s+)(match|create)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(optional)(\s+)(match)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(order)(\s+)(by)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(starts)(\s+)(with)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(union)(\s+)(all)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(using)(\s+)(periodic)(\s+)(commit)\b',
                bygroups(Keyword, Whitespace, Keyword, Whitespace, Keyword)),
            (r'(using)(\s+)(index)\b',
                bygroups(Keyword, Whitespace, Keyword)),
            (r'(using)(\s+)(range|text|point)(\s+)(index)\b',
                bygroups(Keyword, Whitespace, Name, Whitespace, Keyword)),
            (words((
                'all', 'any', 'as', 'asc', 'ascending', 'assert', 'call', 'case', 'create',
                'delete', 'desc', 'descending', 'distinct', 'end', 'fieldterminator',
                'foreach', 'in', 'limit', 'match', 'merge', 'none', 'not', 'null',
                'remove', 'return', 'set', 'skip', 'single', 'start', 'then', 'union',
                'unwind', 'yield', 'where', 'when', 'with', 'collect'), suffix=r'\b'), Keyword),
        ],
        'relations': [
            (r'(-\[)(.*?)(\]->)', bygroups(Operator, using(this), Operator)),
            (r'(<-\[)(.*?)(\]-)', bygroups(Operator, using(this), Operator)),
            (r'(-\[)(.*?)(\]-)', bygroups(Operator, using(this), Operator)),
            (r'-->|<--|\[|\]', Operator),
            (r'<|>|<>|=|<=|=>|$|$|\||:|,|;', Punctuation),
            (r'[.*{}]', Punctuation),
        ],
        'strings': [
            (r'([\'"])(?:\\[tbnrf\'"\\]|[^\\])*?\1', String),
            (r'`(?:``|[^`])+`', Name.Variable),
        ],
        'whitespace': [
            (r'\s+', Whitespace),
        ],
        'barewords': [
            (r'[a-z]\w*', Name),
            (r'\d+', Number),
        ],
        'comment': [
            (r'//.*$', Comment.Single),
        ],
    }

quality72%

¤ Dauer der Verarbeitung: 0.15 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.