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- # -*- coding: utf-8 -*-
- #
- # Copyright (C) 2009-2018 the sqlparse authors and contributors
- # <see AUTHORS file>
- #
- # This module is part of python-sqlparse and is released under
- # the BSD License: https://opensource.org/licenses/BSD-3-Clause
-
- import re
-
- from sqlparse import sql, tokens as T
- from sqlparse.compat import text_type
-
-
- # FIXME: Doesn't work
- class RightMarginFilter(object):
- keep_together = (
- # sql.TypeCast, sql.Identifier, sql.Alias,
- )
-
- def __init__(self, width=79):
- self.width = width
- self.line = ''
-
- def _process(self, group, stream):
- for token in stream:
- if token.is_whitespace and '\n' in token.value:
- if token.value.endswith('\n'):
- self.line = ''
- else:
- self.line = token.value.splitlines()[-1]
- elif token.is_group and type(token) not in self.keep_together:
- token.tokens = self._process(token, token.tokens)
- else:
- val = text_type(token)
- if len(self.line) + len(val) > self.width:
- match = re.search(r'^ +', self.line)
- if match is not None:
- indent = match.group()
- else:
- indent = ''
- yield sql.Token(T.Whitespace, '\n{0}'.format(indent))
- self.line = indent
- self.line += val
- yield token
-
- def process(self, group):
- # return
- # group.tokens = self._process(group, group.tokens)
- raise NotImplementedError
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