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  • Committer: Martin Pool
  • Date: 2010-02-25 06:17:27 UTC
  • mfrom: (5055 +trunk)
  • mto: This revision was merged to the branch mainline in revision 5057.
  • Revision ID: mbp@sourcefrog.net-20100225061727-4sd9lt0qmdc6087t
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bzrlib/cmdline.py
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# Copyright (C) 2010-2011 Canonical Ltd
 
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# Copyright (C) 2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Unicode-compatible command-line splitter for all platforms.
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The user-visible behaviour of this module is described in
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configuring_bazaar.txt.
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"""
 
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"""Unicode-compatible command-line splitter for all platforms."""
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import re
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    def __init__(self, orig):
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        self._iter = iter(orig)
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        self._pushback_buffer = []
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    def next(self):
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        if len(self._pushback_buffer) > 0:
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            return self._pushback_buffer.pop()
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        else:
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            return self._iter.next()
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    def pushback(self, char):
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        self._pushback_buffer.append(char)
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    def __iter__(self):
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        return self
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    def __init__(self, exit_state):
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        self.exit_state = exit_state
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        self.count = 1
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    def process(self, next_char, context):
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        if next_char == u'\\':
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            self.count += 1
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            # let exit_state handle next_char
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            context.seq.pushback(next_char)
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            return self.exit_state
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    def finish(self, context):
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        if self.count > 0:
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            context.token.append(u'\\' * self.count)
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        self.allowed_quote_chars = u'"'
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        if single_quotes_allowed:
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            self.allowed_quote_chars += u"'"
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    def __iter__(self):
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        return self
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    def next(self):
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        quoted, token = self._get_token()
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        if token is None:
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            raise StopIteration
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        return quoted, token
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    def _get_token(self):
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        self.quoted = False
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        self.token = []