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author | Matth?us G. Chajdas <dev@anteru.net> | 2019-11-10 13:56:53 +0100 |
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committer | Matth?us G. Chajdas <dev@anteru.net> | 2019-11-10 13:56:53 +0100 |
commit | 1dd3124a9770e11b6684e5dd1e6bc15a0aa3bc67 (patch) | |
tree | 87a171383266dd1f64196589af081bc2f8e497c3 /pygments/filter.py | |
parent | f1c080e184dc1bbc36eaa7cd729ff3a499de568a (diff) | |
download | pygments-master.tar.gz |
Diffstat (limited to 'pygments/filter.py')
-rw-r--r-- | pygments/filter.py | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/pygments/filter.py b/pygments/filter.py deleted file mode 100644 index 7f81920b..00000000 --- a/pygments/filter.py +++ /dev/null @@ -1,74 +0,0 @@ -# -*- coding: utf-8 -*- -""" - pygments.filter - ~~~~~~~~~~~~~~~ - - Module that implements the default filter. - - :copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS. - :license: BSD, see LICENSE for details. -""" - - -def apply_filters(stream, filters, lexer=None): - """ - Use this method to apply an iterable of filters to - a stream. If lexer is given it's forwarded to the - filter, otherwise the filter receives `None`. - """ - def _apply(filter_, stream): - for token in filter_.filter(lexer, stream): - yield token - for filter_ in filters: - stream = _apply(filter_, stream) - return stream - - -def simplefilter(f): - """ - Decorator that converts a function into a filter:: - - @simplefilter - def lowercase(self, lexer, stream, options): - for ttype, value in stream: - yield ttype, value.lower() - """ - return type(f.__name__, (FunctionFilter,), { - '__module__': getattr(f, '__module__'), - '__doc__': f.__doc__, - 'function': f, - }) - - -class Filter(object): - """ - Default filter. Subclass this class or use the `simplefilter` - decorator to create own filters. - """ - - def __init__(self, **options): - self.options = options - - def filter(self, lexer, stream): - raise NotImplementedError() - - -class FunctionFilter(Filter): - """ - Abstract class used by `simplefilter` to create simple - function filters on the fly. The `simplefilter` decorator - automatically creates subclasses of this class for - functions passed to it. - """ - function = None - - def __init__(self, **options): - if not hasattr(self, 'function'): - raise TypeError('%r used without bound function' % - self.__class__.__name__) - Filter.__init__(self, **options) - - def filter(self, lexer, stream): - # pylint: disable=not-callable - for ttype, value in self.function(lexer, stream, self.options): - yield ttype, value |