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# Copyright (C) 2013 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 __future__ import unicode_literals
from __future__ import print_function
from __future__ import division
from __future__ import absolute_import
from future import standard_library
standard_library.install_aliases()
from builtins import * # noqa
from requests.exceptions import ReadTimeout
from ycmd.responses import ServerError
from ycm.client.base_request import ( BaseRequest, BuildRequestData,
HandleServerException )
from ycm import vimsupport
from ycmd.utils import ToUnicode
def _EnsureBackwardsCompatibility( arguments ):
if arguments and arguments[ 0 ] == 'GoToDefinitionElseDeclaration':
arguments[ 0 ] = 'GoTo'
return arguments
class CommandRequest( BaseRequest ):
def __init__( self, arguments, completer_target = None ):
super( CommandRequest, self ).__init__()
self._arguments = _EnsureBackwardsCompatibility( arguments )
self._completer_target = ( completer_target if completer_target
else 'filetype_default' )
self._response = None
def Start( self ):
request_data = BuildRequestData()
request_data.update( {
'completer_target': self._completer_target,
'command_arguments': self._arguments
} )
try:
self._response = self.PostDataToHandler( request_data,
'run_completer_command' )
except ( ServerError, ReadTimeout ) as e:
HandleServerException( e )
def Response( self ):
return self._response
def RunPostCommandActionsIfNeeded( self ):
if not self.Done() or self._response is None:
return
# If not a dictionary or a list, the response is necessarily a
# scalar: boolean, number, string, etc. In this case, we print
# it to the user.
if not isinstance( self._response, ( dict, list ) ):
return self._HandleBasicResponse()
if 'fixits' in self._response:
return self._HandleFixitResponse()
if 'message' in self._response:
return self._HandleMessageResponse()
if 'detailed_info' in self._response:
return self._HandleDetailedInfoResponse()
# The only other type of response we understand is GoTo, and that is the
# only one that we can't detect just by inspecting the response (it should
# either be a single location or a list)
return self._HandleGotoResponse()
def _HandleGotoResponse( self ):
if isinstance( self._response, list ):
vimsupport.SetQuickFixList(
[ _BuildQfListItem( x ) for x in self._response ],
focus = True,
autoclose = True )
else:
vimsupport.JumpToLocation( self._response[ 'filepath' ],
self._response[ 'line_num' ],
self._response[ 'column_num' ] )
def _HandleFixitResponse( self ):
if not len( self._response[ 'fixits' ] ):
vimsupport.EchoText( "No fixits found for current line" )
else:
chunks = self._response[ 'fixits' ][ 0 ][ 'chunks' ]
try:
vimsupport.ReplaceChunks( chunks )
except RuntimeError as e:
vimsupport.PostMultiLineNotice( str( e ) )
def _HandleBasicResponse( self ):
vimsupport.EchoText( self._response )
def _HandleMessageResponse( self ):
vimsupport.EchoText( self._response[ 'message' ] )
def _HandleDetailedInfoResponse( self ):
vimsupport.WriteToPreviewWindow( self._response[ 'detailed_info' ] )
def SendCommandRequest( arguments, completer ):
request = CommandRequest( arguments, completer )
# This is a blocking call.
request.Start()
request.RunPostCommandActionsIfNeeded()
return request.Response()
def _BuildQfListItem( goto_data_item ):
qf_item = {}
if 'filepath' in goto_data_item:
qf_item[ 'filename' ] = ToUnicode( goto_data_item[ 'filepath' ] )
if 'description' in goto_data_item:
qf_item[ 'text' ] = ToUnicode( goto_data_item[ 'description' ] )
if 'line_num' in goto_data_item:
qf_item[ 'lnum' ] = goto_data_item[ 'line_num' ]
if 'column_num' in goto_data_item:
# ycmd returns columns 1-based, and QuickFix lists require "byte offsets".
# See :help getqflist and equivalent comment in
# vimsupport.ConvertDiagnosticsToQfList.
#
# When the Vim help says "byte index", it really means "1-based column
# number" (which is somewhat confusing). :help getqflist states "first
# column is 1".
qf_item[ 'col' ] = goto_data_item[ 'column_num' ]
return qf_item
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