File: ultisnips_completer.py

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#!/usr/bin/env python
#
# Copyright (C) 2013 Stanislav Golovanov <stgolovanov@gmail.com>
#                    Google Inc.
#
# This file is part of YouCompleteMe.
#
# YouCompleteMe is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# YouCompleteMe is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with YouCompleteMe.  If not, see <http://www.gnu.org/licenses/>.

from ycm.completers.general_completer import GeneralCompleter
from ycm.server import responses


class UltiSnipsCompleter( GeneralCompleter ):
  """
  General completer that provides UltiSnips snippet names in completions.
  """

  def __init__( self, user_options ):
    super( UltiSnipsCompleter, self ).__init__( user_options )
    self._candidates = None
    self._filtered_candidates = None


  def ShouldUseNow( self, request_data ):
    return self.QueryLengthAboveMinThreshold( request_data )


  def ComputeCandidates( self, request_data ):
    if not self.ShouldUseNow( request_data ):
      return []
    return self.FilterAndSortCandidates(
      self._candidates, request_data[ 'query' ] )


  def OnBufferVisit( self, request_data ):
    raw_candidates = request_data.get( 'ultisnips_snippets', [] )
    self._candidates = [
        responses.BuildCompletionData(
            str( snip[ 'trigger' ] ),
            str( '<snip> ' + snip[ 'description' ].encode( 'utf-8' ) ) )
        for snip in raw_candidates ]