#!/usr/bin/python

"""

A minimal front end to the Docutils Publisher, producing HTML with

Pygments syntax highlighting.

"""

# Set to True if you want inline CSS styles instead of classes

INLINESTYLES = False

try:

    import locale

    locale.setlocale(locale.LC_ALL, '')

except:

    pass

# set up Pygments

from pygments.formatters import HtmlFormatter

# The default formatter

DEFAULT = HtmlFormatter(noclasses=INLINESTYLES, cssclass='syntax')

# Add name -> formatter pairs for every variant you want to use

VARIANTS = {

    # 'linenos': HtmlFormatter(noclasses=INLINESTYLES, linenos=True),

}

from docutils import nodes

from docutils.parsers.rst import directives

from pygments import highlight

from pygments.lexers import get_lexer_by_name, TextLexer

def pygments_directive(name, arguments, options, content, lineno,

                       content_offset, block_text, state, state_machine):

    try:

        lexer = get_lexer_by_name(arguments[0])

    except ValueError, e:

        # no lexer found - use the text one instead of an exception

        lexer = TextLexer()

    # take an arbitrary option if more than one is given

    formatter = options and VARIANTS[options.keys()[0]] or DEFAULT

    parsed = highlight(u'\n'.join(content), lexer, formatter)

    return [nodes.raw('', parsed, format='html')]

pygments_directive.arguments = (1, 0, 1)

pygments_directive.content = 1

pygments_directive.options = dict([(key, directives.flag) for key in VARIANTS])

directives.register_directive('sourcecode', pygments_directive)

# run the generation

from docutils.core import publish_cmdline, default_description

description = ('Generates (X)HTML documents from standalone reStructuredText '

               'sources.  ' + default_description)

publish_cmdline(writer_name='html', description=description)