124 lines
3.1 KiB
Python
124 lines
3.1 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2011, 2012 Strahinja Val Markovic <val@markovic.io>
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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 re
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import vim
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import indexer
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min_num_chars = int( vim.eval( "g:ycm_min_num_of_chars_for_completion" ) )
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class CompletionSystem( object ):
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def __init__( self ):
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self.completer = indexer.Completer()
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self.completer.EnableThreading()
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self.pattern = re.compile( r"[_a-zA-Z]\w*" )
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self.future = None
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def CandidatesForQueryAsync( self, query ):
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filetype = vim.eval( "&filetype" )
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self.future = self.completer.CandidatesForQueryAndTypeAsync(
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SanitizeQuery( query ),
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filetype )
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def AsyncCandidateRequestReady( self ):
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return self.future.ResultsReady()
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def CandidatesFromStoredRequest( self ):
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if not self.future:
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return []
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results = []
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self.future.GetResults( results )
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return results
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def AddBufferIdentifiers( self ):
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text = "\n".join( vim.current.buffer )
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text = RemoveIdentFreeText( text )
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idents = re.findall( self.pattern, text )
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filetype = vim.eval( "&filetype" )
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filepath = vim.eval( "expand('%:p')" )
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if not filetype or not filepath:
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return
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self.completer.AddCandidatesToDatabase( idents, filetype, filepath )
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def CurrentColumn():
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# vim's columns start at 1 while vim.current.line columns start at 0
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return int( vim.eval( "col('.')" ) ) - 1
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def CompletionStartColumn():
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line = vim.current.line
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current_column = CurrentColumn()
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start_column = current_column
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while start_column > 0 and line[ start_column - 1 ].isalnum():
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start_column -= 1
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if current_column - start_column < min_num_chars:
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return -1
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return start_column
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def EscapeForVim( text ):
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return text.replace( "'", "''" )
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def CurrentCursorText():
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start_column = CompletionStartColumn()
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current_column = CurrentColumn()
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if current_column - start_column < min_num_chars:
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return ""
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cursor_text = vim.current.line[ start_column : current_column ]
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return EscapeForVim( cursor_text )
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def SanitizeQuery( query ):
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return query.strip()
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def RemoveIdentFreeText( text ):
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"""Removes commented-out code and code in quotes."""
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# TODO: do we still need this sub-func?
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def replacer( match ):
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s = match.group( 0 )
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if s.startswith( '/' ):
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return ""
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else:
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return s
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pattern = re.compile(
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r'//.*?$|#.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"',
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re.DOTALL | re.MULTILINE )
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return re.sub( pattern, replacer, text )
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