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#
# This file is part of m.css.
#
# Copyright © 2017, 2018 Vladimír Vondruš <mosra@centrum.cz>
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
import re
from docutils import nodes, utils
from docutils.parsers import rst
from docutils.parsers.rst.roles import set_classes
# to avoid dependencies, link_regexp and parse_link() is common for m.abbr,
# m.gh, m.gl, m.link and m.vk
link_regexp = re.compile(r'(?P<title>.*) <(?P<link>.+)>')
def parse_link(text):
link = utils.unescape(text)
m = link_regexp.match(link)
if m: return m.group('title', 'link')
return None, link
def gh_internal(account, ref, title, link):
base_url = "https://github.com/{}/{}/{}/{}"
if '#' in ref:
project, _, issue = ref.partition('#')
url = base_url.format(account, project, "issues", issue)
if not title: title = link
elif '@' in ref:
project, _, commit = ref.partition('@')
url = base_url.format(account, project, "commit", commit)
if not title: title = account + "/" + project + "@" + commit[0:7]
elif '$' in ref:
project, _, branch = ref.partition('$')
url = base_url.format(account, project, "tree", branch)
if not title: title = url
elif '^' in ref:
project, _, branch = ref.partition('^')
url = base_url.format(account, project, "releases/tag", branch)
if not title: title = url
else:
url = "https://github.com/{}/{}".format(account, ref)
if not title:
# if simple profile link, no need to expand to full URL
title = link if not '/' in ref else url
return title, url
def gh(name, rawtext, text, lineno, inliner, options={}, content=[]):
title, link = parse_link(text)
account, _, ref = link.partition('/')
if not ref:
url = "https://github.com/{}".format(account)
if not title: title = "@{}".format(account)
else:
title, url = gh_internal(account, ref, title, link)
set_classes(options)
node = nodes.reference(rawtext, title, refuri=url, **options)
return [node], []
def register():
rst.roles.register_local_role('gh', gh)