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# -*- coding: utf-8 -*-
"""
pygments.formatter
~~~~~~~~~~~~~~~~~~
Base formatter class.
:copyright: 2006 by Georg Brandl, Armin Ronacher.
:license: GNU LGPL, see LICENSE for more details.
"""
from pygments.util import get_bool_opt
from pygments.styles import get_style_by_name
__all__ = ['Formatter']
def _lookup_style(style):
if isinstance(style, basestring):
return get_style_by_name(style)
return style
class Formatter(object):
"""
Converts a token stream to text.
Options accepted:
``style``
The style to use, can be a string or a Style subclass
(default: "default"). Not used by e.g. the
TerminalFormatter.
``full``
Tells the formatter to output a "full" document, i.e.
a complete self-contained document. This doesn't have
any effect for some formatters (default: false).
``title``
If ``full`` is true, the title that should be used to
caption the document (default: '').
``encoding``
If given, must be an encoding name. This will be used to
convert the Unicode token strings to byte strings in the
output (default: 'latin1').
"""
def __init__(self, **options):
self.style = _lookup_style(options.get('style', 'default'))
self.full = get_bool_opt(options, 'full', False)
self.title = options.get('title', '')
self.encoding = options.get('encoding', 'latin1')
self.options = options
def get_style_defs(self, arg=''):
"""
Return the style definitions for the current style as a string.
``arg`` is an additional argument whose meaning depends on the
formatter used.
"""
return ''
def format(self, tokensource, outfile):
"""
Format ``tokensource``, an iterable of ``(tokentype, tokenstring)``
tuples and write it into ``outfile``.
"""
raise NotImplementedError()
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