2013-05-19 23:06:14 -04:00
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#!/usr/bin/env python
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#
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2014-01-13 14:08:43 -05:00
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# Copyright (C) 2011, 2012 Google Inc.
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2013-05-19 23:06:14 -04:00
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#
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# This file is part of YouCompleteMe.
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#
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# YouCompleteMe 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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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# YouCompleteMe is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
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import vim
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from ycm import vimsupport
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2014-05-13 16:09:19 -04:00
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from ycmd import utils
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from ycmd import user_options_store
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2014-05-27 17:29:19 -04:00
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from ycmd import request_wrap
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2013-10-15 14:19:56 -04:00
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import ycm_client_support
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2013-05-19 23:06:14 -04:00
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2013-09-02 17:45:53 -04:00
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YCM_VAR_PREFIX = 'ycm_'
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2013-05-19 23:06:14 -04:00
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2013-09-02 17:45:53 -04:00
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def BuildServerConf():
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"""Builds a dictionary mapping YCM Vim user options to values. Option names
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don't have the 'ycm_' prefix."""
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2013-10-06 21:26:59 -04:00
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vim_globals = vimsupport.GetReadOnlyVimGlobals( force_python_objects = True )
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2013-09-02 17:45:53 -04:00
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server_conf = {}
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for key, value in vim_globals.items():
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if not key.startswith( YCM_VAR_PREFIX ):
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continue
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try:
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new_value = int( value )
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except:
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new_value = value
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new_key = key[ len( YCM_VAR_PREFIX ): ]
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server_conf[ new_key ] = new_value
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return server_conf
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2013-10-04 15:23:33 -04:00
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def LoadJsonDefaultsIntoVim():
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defaults = user_options_store.DefaultOptions()
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vim_defaults = {}
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for key, value in defaults.iteritems():
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vim_defaults[ 'ycm_' + key ] = value
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vimsupport.LoadDictIntoVimGlobals( vim_defaults, overwrite = False )
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2013-05-19 23:06:14 -04:00
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def CompletionStartColumn():
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2014-05-27 17:29:19 -04:00
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return ( request_wrap.CompletionStartColumn(
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vim.current.line, vimsupport.CurrentColumn() + 1 ) - 1 )
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2013-05-19 23:06:14 -04:00
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def CurrentIdentifierFinished():
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current_column = vimsupport.CurrentColumn()
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previous_char_index = current_column - 1
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if previous_char_index < 0:
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return True
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line = vim.current.line
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try:
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previous_char = line[ previous_char_index ]
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except IndexError:
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return False
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if utils.IsIdentifierChar( previous_char ):
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return False
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if ( not utils.IsIdentifierChar( previous_char ) and
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previous_char_index > 0 and
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utils.IsIdentifierChar( line[ previous_char_index - 1 ] ) ):
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return True
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else:
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return line[ : current_column ].isspace()
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2013-12-03 17:38:23 -05:00
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def LastEnteredCharIsIdentifierChar():
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current_column = vimsupport.CurrentColumn()
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previous_char_index = current_column - 1
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if previous_char_index < 0:
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return False
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line = vim.current.line
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try:
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previous_char = line[ previous_char_index ]
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except IndexError:
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return False
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return utils.IsIdentifierChar( previous_char )
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2013-06-09 22:00:49 -04:00
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def AdjustCandidateInsertionText( candidates ):
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"""This function adjusts the candidate insertion text to take into account the
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text that's currently in front of the cursor.
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For instance ('|' represents the cursor):
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1. Buffer state: 'foo.|bar'
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2. A completion candidate of 'zoobar' is shown and the user selects it.
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3. Buffer state: 'foo.zoobar|bar' instead of 'foo.zoo|bar' which is what the
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user wanted.
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This function changes candidates to resolve that issue.
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It could be argued that the user actually wants the final buffer state to be
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'foo.zoobar|' (the cursor at the end), but that would be much more difficult
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to implement and is probably not worth doing.
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"""
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2014-01-05 14:48:05 -05:00
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def NewCandidateInsertionText( to_insert, text_after_cursor ):
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overlap_len = OverlapLength( to_insert, text_after_cursor )
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if overlap_len:
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return to_insert[ :-overlap_len ]
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2013-06-09 22:00:49 -04:00
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return to_insert
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2014-01-05 14:48:05 -05:00
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text_after_cursor = vimsupport.TextAfterCursor()
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2014-01-05 15:16:53 -05:00
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if not text_after_cursor:
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return candidates
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2014-01-05 15:18:46 -05:00
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new_candidates = []
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2013-06-09 22:00:49 -04:00
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for candidate in candidates:
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if type( candidate ) is dict:
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new_candidate = candidate.copy()
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if not 'abbr' in new_candidate:
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new_candidate[ 'abbr' ] = new_candidate[ 'word' ]
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new_candidate[ 'word' ] = NewCandidateInsertionText(
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new_candidate[ 'word' ],
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text_after_cursor )
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new_candidates.append( new_candidate )
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elif type( candidate ) is str:
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new_candidates.append(
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{ 'abbr': candidate,
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'word': NewCandidateInsertionText( candidate, text_after_cursor ) } )
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return new_candidates
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2014-01-05 14:48:05 -05:00
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def OverlapLength( left_string, right_string ):
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"""Returns the length of the overlap between two strings.
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Example: "foo baro" and "baro zoo" -> 4
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"""
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left_string_length = len( left_string )
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right_string_length = len( right_string )
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if not left_string_length or not right_string_length:
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return 0
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# Truncate the longer string.
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if left_string_length > right_string_length:
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left_string = left_string[ -right_string_length: ]
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elif left_string_length < right_string_length:
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right_string = right_string[ :left_string_length ]
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if left_string == right_string:
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return min( left_string_length, right_string_length )
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# Start by looking for a single character match
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# and increase length until no match is found.
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best = 0
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length = 1
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while True:
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pattern = left_string[ -length: ]
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found = right_string.find( pattern )
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if found < 0:
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return best
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length += found
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if left_string[ -length: ] == right_string[ :length ]:
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best = length
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length += 1
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2014-05-28 14:24:33 -04:00
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COMPATIBLE_WITH_CORE_VERSION = 10
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2013-05-19 23:06:14 -04:00
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def CompatibleWithYcmCore():
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try:
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current_core_version = ycm_client_support.YcmCoreVersion()
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2013-05-19 23:06:14 -04:00
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except AttributeError:
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return False
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return current_core_version == COMPATIBLE_WITH_CORE_VERSION
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