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# Copyright 2018 Tile, Inc. All Rights Reserved.
#
# The MIT License
#
# 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 html
from itertools import chain
from mistletoe import block_token, span_token
from mistletoe.base_renderer import BaseRenderer
import sys
class JIRARenderer(BaseRenderer):
"""
JIRA renderer class.
See mistletoe.base_renderer module for more info.
"""
def __init__(self, *extras):
"""
Args:
extras (list): allows subclasses to add even more custom tokens.
"""
self.listTokens = []
super().__init__(*chain([block_token.HTMLBlock, span_token.HTMLSpan], extras))
def render_strong(self, token):
template = '*{}*'
return template.format(self.render_inner(token))
def render_emphasis(self, token):
template = '_{}_'
return template.format(self.render_inner(token))
def render_inline_code(self, token):
template = '{{{{{}}}}}'
return template.format(self.render_inner(token))
def render_strikethrough(self, token):
template = '-{}-'
return template.format(self.render_inner(token))
def render_image(self, token):
template = '!{src}!'
inner = self.render_inner(token)
return template.format(src=token.src)
def render_link(self, token):
template = '[{inner}|{target}]'
target = escape_url(token.target)
inner = self.render_inner(token)
return template.format(target=target, inner=inner)
def render_auto_link(self, token):
template = '[{target}]'
target = escape_url(token.target)
#inner = self.render_inner(token)
return template.format(target=target)
def render_escape_sequence(self, token):
return self.render_inner(token)
@staticmethod
def render_raw_text(token):
return html.escape(token.content)
@staticmethod
def render_html_span(token):
return token.content
def render_heading(self, token):
template = 'h{level}. {inner}\n'
inner = self.render_inner(token)
return template.format(level=token.level, inner=inner)
def render_quote(self, token):
template = 'bq. {inner}\n'
return template.format(inner=self.render_inner(token))
def render_paragraph(self, token):
return '{}\n'.format(self.render_inner(token))
def render_block_code(self, token):
# template = '<pre>\n<code{attr}>\n{inner}</code>\n</pre>\n'
# if token.language:
# attr = ' class="{}"'.format('lang-{}'.format(token.language))
# else:
# attr = ''
template = '{{code:{attr}}}\n{inner}{{code}}\n'
if token.language:
attr = '{}'.format(token.language)
else:
attr = ''
inner = self.render_inner(token)
return template.format(attr=attr, inner=inner)
def render_list(self, token):
inner = self.render_inner(token)
return inner
def render_list_item(self, token):
template = '{prefix} {inner}\n'
prefix = ''.join(self.listTokens)
result = template.format(prefix=prefix, inner=self.render_inner(token))
return result
def render_inner(self, token):
if isinstance(token, block_token.List):
if token.start:
self.listTokens.append('#')
else:
self.listTokens.append('*')
rendered = [self.render(child) for child in token.children]
if isinstance(token, block_token.List):
del (self.listTokens[-1])
return ''.join(rendered)
def render_table(self, token):
# This is actually gross and I wonder if there's a better way to do it.
#
# The primary difficulty seems to be passing down alignment options to
# reach individual cells.
template = '{inner}\n'
if hasattr(token, 'header'):
head_template = '{inner}'
header = token.children[0]
head_inner = self.render_table_row(header, True)
head_rendered = head_template.format(inner=head_inner)
else:
head_rendered = ''
body_template = '{inner}'
body_inner = self.render_inner(token)
body_rendered = body_template.format(inner=body_inner)
return template.format(inner=head_rendered+body_rendered)
def render_table_row(self, token, is_header=False):
if is_header:
template = '{inner}||\n'
else:
template = '{inner}|\n'
inner = ''.join([self.render_table_cell(child, is_header)
for child in token.children])
return template.format(inner=inner)
def render_table_cell(self, token, in_header=False):
if in_header:
template = '||{inner}'
else:
template = '|{inner}'
inner = self.render_inner(token)
return template.format(inner=inner)
@staticmethod
def render_thematic_break(token):
return '----\n'
@staticmethod
def render_line_break(token):
return '\\\\\n'
@staticmethod
def render_html_block(token):
return token.content
def render_document(self, token):
self.footnotes.update(token.footnotes)
return self.render_inner(token)
def escape_url(raw):
"""
Escape urls to prevent code injection craziness. (Hopefully.)
"""
from urllib.parse import quote
return quote(raw, safe='/#:')
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