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"""
pygments.formatters.pangomarkup
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Formatter for Pango markup output.
:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pip._vendor.pygments.formatter import Formatter
__all__ = ['PangoMarkupFormatter']
_escape_table = {
ord('&'): '&',
ord('<'): '<',
}
def escape_special_chars(text, table=_escape_table):
"""Escape & and < for Pango Markup."""
return text.translate(table)
class PangoMarkupFormatter(Formatter):
"""
Format tokens as Pango Markup code. It can then be rendered to an SVG.
.. versionadded:: 2.9
"""
name = 'Pango Markup'
aliases = ['pango', 'pangomarkup']
filenames = []
def __init__(self, **options):
Formatter.__init__(self, **options)
self.styles = {}
for token, style in self.style:
start = ''
end = ''
if style['color']:
start += '<span fgcolor="#%s">' % style['color']
end = '</span>' + end
if style['bold']:
start += '<b>'
end = '</b>' + end
if style['italic']:
start += '<i>'
end = '</i>' + end
if style['underline']:
start += '<u>'
end = '</u>' + end
self.styles[token] = (start, end)
def format_unencoded(self, tokensource, outfile):
lastval = ''
lasttype = None
outfile.write('<tt>')
for ttype, value in tokensource:
while ttype not in self.styles:
ttype = ttype.parent
if ttype == lasttype:
lastval += escape_special_chars(value)
else:
if lastval:
stylebegin, styleend = self.styles[lasttype]
outfile.write(stylebegin + lastval + styleend)
lastval = escape_special_chars(value)
lasttype = ttype
if lastval:
stylebegin, styleend = self.styles[lasttype]
outfile.write(stylebegin + lastval + styleend)
outfile.write('</tt>')
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