# -*- coding: utf-8 -*- """ pygments.lexers.rnc ~~~~~~~~~~~~~~~~~~~ Lexer for Relax-NG Compact syntax :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ from pygments.lexer import RegexLexer from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ Punctuation __all__ = ['RNCCompactLexer'] class RNCCompactLexer(RegexLexer): """ For `RelaxNG-compact `_ syntax. .. versionadded:: 2.2 """ name = 'Relax-NG Compact' aliases = ['rnc', 'rng-compact'] filenames = ['*.rnc'] tokens = { 'root': [ (r'namespace\b', Keyword.Namespace), (r'(?:default|datatypes)\b', Keyword.Declaration), (r'##.*$', Comment.Preproc), (r'#.*$', Comment.Single), (r'"[^"]*"', String.Double), # TODO single quoted strings and escape sequences outside of # double-quoted strings (r'(?:element|attribute|mixed)\b', Keyword.Declaration, 'variable'), (r'(text\b|xsd:[^ ]+)', Keyword.Type, 'maybe_xsdattributes'), (r'[,?&*=|~]|>>', Operator), (r'[(){}]', Punctuation), (r'.', Text), ], # a variable has been declared using `element` or `attribute` 'variable': [ (r'[^{]+', Name.Variable), (r'\{', Punctuation, '#pop'), ], # after an xsd: declaration there may be attributes 'maybe_xsdattributes': [ (r'\{', Punctuation, 'xsdattributes'), (r'\}', Punctuation, '#pop'), (r'.', Text), ], # attributes take the form { key1 = value1 key2 = value2 ... } 'xsdattributes': [ (r'[^ =}]', Name.Attribute), (r'=', Operator), (r'"[^"]*"', String.Double), (r'\}', Punctuation, '#pop'), (r'.', Text), ], }