YouCompleteMe/python/completers/general/filename_completer.py
2013-05-11 12:24:35 -07:00

134 lines
4.4 KiB
Python

#!/usr/bin/env python
#
# Copyright (C) 2013 Stanislav Golovanov <stgolovanov@gmail.com>
# Strahinja Val Markovic <val@markovic.io>
#
# 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 completers.threaded_completer import ThreadedCompleter
from completers.cpp.clang_completer import InCFamilyFile
from completers.cpp.flags import Flags
import vim
import vimsupport
import os
import re
USE_WORKING_DIR = vimsupport.GetBoolValue(
'g:ycm_filepath_completion_use_working_dir' )
class FilenameCompleter( ThreadedCompleter ):
"""
General completer that provides filename and filepath completions.
"""
def __init__( self ):
super( FilenameCompleter, self ).__init__()
self._flags = Flags()
self._path_regex = re.compile( """
# 1 or more 'D:/'-like token or '/' or '~' or './' or '../'
(?:[A-z]+:/|[/~]|\./|\.+/)+
# any alphanumeric symbal and space literal
(?:[ /a-zA-Z0-9()$+_~.\x80-\xff-\[\]]|
# skip any special symbols
[^\x20-\x7E]|
# backslash and 1 char after it. + matches 1 or more of whole group
\\.)*$
""", re.X )
include_regex_common = '^\s*#(?:include|import)\s*(?:"|<)'
self._include_start_regex = re.compile( include_regex_common + '$' )
self._include_regex = re.compile( include_regex_common )
def AtIncludeStatementStart( self, start_column ):
return ( InCFamilyFile() and
self._include_start_regex.match(
vim.current.line[ :start_column ] ) )
def ShouldUseNowInner( self, start_column ):
return ( start_column and ( vim.current.line[ start_column - 1 ] == '/' or
self.AtIncludeStatementStart( start_column ) ) )
def SupportedFiletypes( self ):
return []
def ComputeCandidates( self, unused_query, start_column ):
line = vim.current.line[ :start_column ]
if InCFamilyFile():
include_match = self._include_regex.search( line )
if include_match:
path_dir = line[ include_match.end(): ]
# We do what GCC does for <> versus "":
# http://gcc.gnu.org/onlinedocs/cpp/Include-Syntax.html
include_current_file_dir = '<' not in include_match.group()
return GenerateCandidatesForPaths(
self.GetPathsIncludeCase( path_dir, include_current_file_dir ) )
path_match = self._path_regex.search( line )
path_dir = os.path.expanduser( path_match.group() ) if path_match else ''
return GenerateCandidatesForPaths( GetPathsStandardCase( path_dir ) )
def GetPathsIncludeCase( self, path_dir, include_current_file_dir ):
paths = []
include_paths = self._flags.UserIncludePaths( vim.current.buffer.name )
if include_current_file_dir:
include_paths.append( os.path.dirname( vim.current.buffer.name ) )
for include_path in include_paths:
try:
relative_paths = os.listdir( os.path.join( include_path, path_dir ) )
except:
relative_paths = []
paths.extend( os.path.join( include_path, path_dir, relative_path ) for
relative_path in relative_paths )
return sorted( set( paths ) )
def GetPathsStandardCase( path_dir ):
if not USE_WORKING_DIR and not path_dir.startswith( '/' ):
path_dir = os.path.join( os.path.dirname( vim.current.buffer.name ),
path_dir )
try:
relative_paths = os.listdir( path_dir )
except:
relative_paths = []
return ( os.path.join( path_dir, relative_path )
for relative_path in relative_paths )
def GenerateCandidatesForPaths( absolute_paths ):
def GenerateCandidateForPath( absolute_path ):
is_dir = os.path.isdir( absolute_path )
return { 'word': os.path.basename( absolute_path ),
'dup': 1,
'menu': '[Dir]' if is_dir else '[File]' }
return [ GenerateCandidateForPath( path ) for path in absolute_paths ]