diff --git a/pelican/rstdirectives.py b/pelican/rstdirectives.py new file mode 100644 index 00000000..4849c9c2 --- /dev/null +++ b/pelican/rstdirectives.py @@ -0,0 +1,37 @@ +# -*- coding: utf-8 -*- +from docutils import nodes +from docutils.parsers.rst import directives, Directive +from pygments.formatters import HtmlFormatter +from pygments import highlight +from pygments.lexers import get_lexer_by_name, TextLexer + +INLINESTYLES = False +DEFAULT = HtmlFormatter(noclasses=INLINESTYLES) +VARIANTS = { + 'linenos': HtmlFormatter(noclasses=INLINESTYLES, linenos=True), +} + + +class Pygments(Directive): + """ Source code syntax hightlighting. + """ + required_arguments = 1 + optional_arguments = 0 + final_argument_whitespace = True + option_spec = dict([(key, directives.flag) for key in VARIANTS]) + has_content = True + + def run(self): + self.assert_has_content() + try: + lexer = get_lexer_by_name(self.arguments[0]) + except ValueError: + # no lexer found - use the text one instead of an exception + lexer = TextLexer() + # take an arbitrary option if more than one is given + formatter = self.options and VARIANTS[self.options.keys()[0]] \ + or DEFAULT + parsed = highlight(u'\n'.join(self.content), lexer, formatter) + return [nodes.raw('', parsed, format='html')] + +directives.register_directive('code-block', Pygments)