Start graph lexers file instead of just cypher

1 files changed, 57 insertions, 0 deletions

diff --git a/pygments/lexers/graph.py b/pygments/lexers/graph.py
new file mode 100644
index 00000000..1abaf6d3
--- /dev/null
+++ b/pygments/lexers/graph.py
@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+"""
+    pygments.lexers.graph
+    ~~~~~~~~~~~~~~~~~~~~~
+
+    Lexers for graph query languages.
+
+    :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from pygments.lexer import RegexLexer, include, bygroups
+from pygments.token import Keyword, Punctuation, Text, Comment, Operator, Name,\
+String, Number, Generic
+
+
+__all__ = ['CypherLexer']
+
+
+class CypherLexer(RegexLexer):
+    """
+    For `Cypher Query Language
+    <http://docs.neo4j.org/chunked/milestone/cypher-query-lang.html>`_
+
+    For the Cypher version in Neo4J 2.0
+
+    .. versionadded:: 2.0
+    """
+    name = 'Cypher'
+    aliases = ['cypher']
+    filenames = ['*.cyp','*.cypher']
+    flags = re.MULTILINE | re.IGNORECASE
+
+    tokens = {
+        'root': [
+            include('comment'),
+            include('keywords'),
+            include('clauses'),
+            include('relations'),
+            include('strings')
+            ],
+        'comment': [(r'^.*//.*\n', Comment.Single)],
+        'keywords': [
+            (r'create|order|match|limit|set|skip|start|return|with|where|delete'
+             r'|foreach|not| by ', Keyword)],
+        'clauses': [(r' all | any | as | asc |create|create unique|delete|'
+                     r'desc |distinct|foreach| in |is null|limit|match|none|'
+                     r'order by|return|set|skip|single|start|union|where|with',
+                     Keyword)],
+        'relations': [(r'-->|-\[.*\]->|<-\[.*\]-|<--|\[|\]', Operator),
+                      (r'<|>|<>|=|<=|=>|\(|\)|\||:|,|;', Punctuation)],
+        'strings': [(r'\".*\"', String)]
+        }
+
+