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editorconfig.vim
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editorconfig.vim
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" Copyright (c) 2011-2015 EditorConfig Team
" All rights reserved.
"
" Redistribution and use in source and binary forms, with or without
" modification, are permitted provided that the following conditions are met:
"
" 1. Redistributions of source code must retain the above copyright notice,
" this list of conditions and the following disclaimer.
" 2. Redistributions in binary form must reproduce the above copyright notice,
" this list of conditions and the following disclaimer in the documentation
" and/or other materials provided with the distribution.
"
" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
" ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
" POSSIBILITY OF SUCH DAMAGE.
"
if v:version < 700
finish
endif
" check whether this script is already loaded
if exists("g:loaded_EditorConfig")
finish
endif
let g:loaded_EditorConfig = 1
let s:saved_cpo = &cpo
set cpo&vim
let s:pyscript_path = expand('<sfile>:p:r') . '.py'
" variables {{{1
if !exists('g:EditorConfig_exec_path')
let g:EditorConfig_exec_path = ''
endif
if !exists('g:EditorConfig_python_files_dir')
let g:EditorConfig_python_files_dir = 'plugin/editorconfig-core-py'
endif
if !exists('g:EditorConfig_verbose')
let g:EditorConfig_verbose = 0
endif
if !exists('g:EditorConfig_preserve_formatoptions')
let g:EditorConfig_preserve_formatoptions = 0
endif
if !exists('g:EditorConfig_max_line_indicator')
let g:EditorConfig_max_line_indicator = 'line'
endif
if !exists('g:EditorConfig_exclude_patterns')
let g:EditorConfig_exclude_patterns = []
endif
if !exists('g:EditorConfig_disable_rules')
let g:EditorConfig_disable_rules = []
endif
if exists('g:EditorConfig_core_mode') && !empty(g:EditorConfig_core_mode)
let s:editorconfig_core_mode = g:EditorConfig_core_mode
else
let s:editorconfig_core_mode = ''
endif
let s:initialized = 0
" shellslash handling {{{1
function! s:DisableShellSlash() " {{{2
" disable shellslash for proper escaping of Windows paths
" In Windows, 'shellslash' also changes the behavior of 'shellescape'.
" It makes 'shellescape' behave like in UNIX environment. So ':setl
" noshellslash' before evaluating 'shellescape' and restore the
" settings afterwards when 'shell' does not contain 'sh' somewhere.
if has('win32') && empty(matchstr(&shell, 'sh'))
let s:old_shellslash = &l:shellslash
setlocal noshellslash
endif
endfunction " }}}
function! s:ResetShellSlash() " {{{2
" reset shellslash to the user-set value, if any
if exists('s:old_shellslash')
let &l:shellslash = s:old_shellslash
unlet! s:old_shellslash
endif
endfunction " }}}
" }}}
function! s:FindPythonInterp() " {{{1
" Find python interp. If found, return python command; if not found, return ''
if has('unix')
let l:searching_list = [
\ 'python',
\ 'python27',
\ 'python26',
\ 'python25',
\ 'python24',
\ '/usr/local/bin/python',
\ '/usr/local/bin/python27',
\ '/usr/local/bin/python26',
\ '/usr/local/bin/python25',
\ '/usr/local/bin/python24',
\ '/usr/bin/python',
\ '/usr/bin/python27',
\ '/usr/bin/python26',
\ '/usr/bin/python25',
\ '/usr/bin/python24']
elseif has('win32')
let l:searching_list = [
\ 'python',
\ 'python27',
\ 'python26',
\ 'python25',
\ 'python24',
\ 'C:\Python27\python.exe',
\ 'C:\Python26\python.exe',
\ 'C:\Python25\python.exe',
\ 'C:\Python24\python.exe']
endif
for possible_python_interp in l:searching_list
if executable(possible_python_interp)
return possible_python_interp
endif
endfor
return ''
endfunction
function! s:FindPythonFiles() " {{{1
" Find EditorConfig Core python files
call s:DisableShellSlash()
let l:python_core_files_dir = fnamemodify(
\ findfile(g:EditorConfig_python_files_dir . '/main.py',
\ ','.&runtimepath), ':p:h')
if empty(l:python_core_files_dir)
let l:python_core_files_dir = ''
else
" expand python core file path to full path, and remove the appending '/'
let l:python_core_files_dir = substitute(
\ fnamemodify(l:python_core_files_dir, ':p'), '/$', '', '')
endif
call s:ResetShellSlash()
return l:python_core_files_dir
endfunction
" Mode initialization functions {{{1
function! s:InitializeExternalCommand() " {{{2
" Initialize external_command mode
let s:EditorConfig_exec_path = ''
" User has specified an EditorConfig command. Use that one.
if exists('g:EditorConfig_exec_path') &&
\ !empty(g:EditorConfig_exec_path)
if executable(g:EditorConfig_exec_path)
let s:EditorConfig_exec_path = g:EditorConfig_exec_path
return 0
else
return 1
endif
endif
" User does not specify an EditorConfig command. Let's search for it.
if has('unix')
let l:searching_list = [
\ 'editorconfig',
\ '/usr/local/bin/editorconfig',
\ '/usr/bin/editorconfig',
\ '/opt/bin/editorconfig',
\ '/opt/editorconfig/bin/editorconfig',
\ 'editorconfig.py',
\ '/usr/local/bin/editorconfig.py',
\ '/usr/bin/editorconfig.py',
\ '/opt/bin/editorconfig.py',
\ '/opt/editorconfig/bin/editorconfig.py']
elseif has('win32')
let l:searching_list = [
\ 'editorconfig',
\ 'C:\editorconfig\bin\editorconfig',
\ 'D:\editorconfig\bin\editorconfig',
\ 'E:\editorconfig\bin\editorconfig',
\ 'F:\editorconfig\bin\editorconfig',
\ 'C:\Program Files\editorconfig\bin\editorconfig',
\ 'D:\Program Files\editorconfig\bin\editorconfig',
\ 'E:\Program Files\editorconfig\bin\editorconfig',
\ 'F:\Program Files\editorconfig\bin\editorconfig',
\ 'C:\Program Files (x86)\editorconfig\bin\editorconfig',
\ 'D:\Program Files (x86)\editorconfig\bin\editorconfig',
\ 'E:\Program Files (x86)\editorconfig\bin\editorconfig',
\ 'F:\Program Files (x86)\editorconfig\bin\editorconfig',
\ 'editorconfig.py']
endif
" search for editorconfig core executable
for possible_cmd in l:searching_list
if executable(possible_cmd)
let s:EditorConfig_exec_path = possible_cmd
break
endif
endfor
if empty(s:EditorConfig_exec_path)
return 2
endif
return 0
endfunction
function! s:InitializePythonExternal() " {{{2
" Initialize external python. Before calling this function, please make sure
" s:FindPythonFiles is called and the return value is set to
" s:editorconfig_core_py_dir
if !exists('s:editorconfig_core_py_dir') ||
\ empty(s:editorconfig_core_py_dir)
return 2
endif
" Find python interp
if !exists('g:editorconfig_python_interp') ||
\ empty('g:editorconfig_python_interp')
let s:editorconfig_python_interp = s:FindPythonInterp()
endif
if empty(s:editorconfig_python_interp) ||
\ !executable(s:editorconfig_python_interp)
return 1
endif
return 0
endfunction
function! s:InitializePythonBuiltin(editorconfig_core_py_dir) " {{{2
" Initialize builtin python. The parameter is the Python Core directory
if exists('s:builtin_python_initialized') && s:builtin_python_initialized
return 0
endif
let s:builtin_python_initialized = 1
if has('python')
let s:pyfile_cmd = 'pyfile'
let s:py_cmd = 'py'
elseif has('python3')
let s:pyfile_cmd = 'py3file'
let s:py_cmd = 'py3'
else
return 1
endif
let l:ret = 0
" The following line modifies l:ret. This is a bit confusing but
" unfortunately to be compatible with Vim 7.3, we cannot use pyeval. This
" should be changed in the future.
execute s:pyfile_cmd fnameescape(s:pyscript_path)
return l:ret
endfunction
function! s:Initialize() " {{{1
" Do some initalization for the case that the user has specified core mode {{{2
if !empty(s:editorconfig_core_mode)
if s:editorconfig_core_mode == 'external_command'
if s:InitializeExternalCommand()
echo 'EditorConfig: Failed to initialize external_command mode'
return 1
endif
else
let s:editorconfig_core_py_dir = s:FindPythonFiles()
if empty(s:editorconfig_core_py_dir)
echo 'EditorConfig: '.
\ 'EditorConfig Python Core files could not be found.'
return 1
endif
if s:editorconfig_core_mode == 'python_builtin' &&
\ s:InitializePythonBuiltin(s:editorconfig_core_py_dir)
echo 'EditorConfig: Failed to initialize vim built-in python.'
return 1
elseif s:editorconfig_core_mode == 'python_external' &&
\ s:InitializePythonExternal()
echo 'EditorConfig: Failed to find external Python interpreter.'
return 1
endif
endif
endif
" Determine the editorconfig_core_mode we should use {{{2
while 1
" If user has specified a mode, just break
if exists('s:editorconfig_core_mode') && !empty(s:editorconfig_core_mode)
break
endif
" Find Python core files. If not found, we try external_command mode
let s:editorconfig_core_py_dir = s:FindPythonFiles()
if empty(s:editorconfig_core_py_dir) " python files are not found
if !s:InitializeExternalCommand()
let s:editorconfig_core_mode = 'external_command'
endif
break
endif
" Builtin python mode first
if !s:InitializePythonBuiltin(s:editorconfig_core_py_dir)
let s:editorconfig_core_mode = 'python_builtin'
break
endif
" Then external_command mode
if !s:InitializeExternalCommand()
let s:editorconfig_core_mode = 'external_command'
break
endif
" Finally external python mode
if !s:InitializePythonExternal()
let s:editorconfig_core_mode = 'python_external'
break
endif
break
endwhile
" No EditorConfig Core is available
if empty(s:editorconfig_core_mode)
echo "EditorConfig: ".
\ "No EditorConfig Core is available. The plugin won't work."
return 1
endif
" }}}
let s:initialized = 1
return 0
endfunction
function! s:GetFilenames(path, filename)
" Yield full filepath for filename in each directory in and above path
let l:path_list = []
let l:path = a:path
while 1
let l:path_list += [l:path . '/' . a:filename]
let l:newpath = fnamemodify(l:path, ':h')
if l:path == l:newpath
break
endif
let l:path = l:newpath
endwhile
return l:path_list
endfunction
function! s:UseConfigFiles()
let l:buffer_name = expand('%:p')
" ignore buffers without a name
if empty(l:buffer_name)
return
endif
" Check if any .editorconfig does exist
let l:conf_files = s:GetFilenames(expand('%:p:h'), '.editorconfig')
let l:conf_found = 0
for conf_file in conf_files
if filereadable(conf_file)
let l:conf_found = 1
break
endif
endfor
if !l:conf_found
return
endif
if g:EditorConfig_verbose
echo 'Applying EditorConfig on file "' . l:buffer_name . '"'
endif
if !s:initialized
if s:Initialize()
return
endif
endif
" Ignore specific patterns
for pattern in g:EditorConfig_exclude_patterns
if l:buffer_name =~ pattern
return
endif
endfor
if s:editorconfig_core_mode == 'external_command'
call s:UseConfigFiles_ExternalCommand()
elseif s:editorconfig_core_mode == 'python_builtin'
call s:UseConfigFiles_Python_Builtin()
elseif s:editorconfig_core_mode == 'python_external'
call s:UseConfigFiles_Python_External()
else
echohl Error |
\ echo "Unknown EditorConfig Core: " .
\ s:editorconfig_core_mode |
\ echohl None
endif
endfunction
" command, autoload {{{1
command! EditorConfigReload call s:UseConfigFiles() " Reload EditorConfig files
augroup editorconfig
autocmd!
autocmd BufNewFile,BufReadPost,BufFilePost * call s:UseConfigFiles()
autocmd BufNewFile,BufRead .editorconfig set filetype=dosini
augroup END
" UseConfigFiles function for different mode {{{1
function! s:UseConfigFiles_Python_Builtin() " {{{2
" Use built-in python to run the python EditorConfig core
let l:config = {}
let l:ret = 0
execute s:py_cmd 'ec_UseConfigFiles()'
if l:ret != 0
return l:ret
endif
call s:ApplyConfig(l:config)
return l:ret
endfunction
function! s:UseConfigFiles_Python_External() " {{{2
" Use external python interp to run the python EditorConfig Core
call s:DisableShellSlash()
let l:cmd = shellescape(s:editorconfig_python_interp) . ' ' .
\ shellescape(s:editorconfig_core_py_dir . '/main.py')
call s:ResetShellSlash()
call s:SpawnExternalParser(l:cmd)
return 0
endfunction
function! s:UseConfigFiles_ExternalCommand() " {{{2
" Use external EditorConfig core (The C core, or editorconfig.py)
call s:DisableShellSlash()
let l:exec_path = shellescape(s:EditorConfig_exec_path)
call s:ResetShellSlash()
call s:SpawnExternalParser(l:exec_path)
endfunction
function! s:SpawnExternalParser(cmd) " {{{2
" Spawn external EditorConfig. Used by s:UseConfigFiles_Python_External() and
" s:UseConfigFiles_ExternalCommand()
let l:cmd = a:cmd
" if editorconfig is present, we use this as our parser
if !empty(l:cmd)
let l:config = {}
call s:DisableShellSlash()
let l:cmd = l:cmd . ' ' . shellescape(expand('%:p'))
call s:ResetShellSlash()
let l:parsing_result = split(system(l:cmd), '[\r\n]')
" if editorconfig core's exit code is not zero, give out an error
" message
if v:shell_error != 0
echohl ErrorMsg
echo 'Failed to execute "' . l:cmd . '". Exit code: ' .
\ v:shell_error
echo ''
echo 'Message:'
echo l:parsing_result
echohl None
return
endif
if g:EditorConfig_verbose
echo 'Output from EditorConfig core executable:'
echo l:parsing_result
endif
for one_line in l:parsing_result
let l:eq_pos = stridx(one_line, '=')
if l:eq_pos == -1 " = is not found. Skip this line
continue
endif
let l:eq_left = strpart(one_line, 0, l:eq_pos)
if l:eq_pos + 1 < strlen(one_line)
let l:eq_right = strpart(one_line, l:eq_pos + 1)
else
let l:eq_right = ''
endif
let l:config[l:eq_left] = l:eq_right
endfor
call s:ApplyConfig(l:config)
endif
endfunction
function! s:ApplyConfig(config) " {{{1
" Only process normal buffers (do not treat help files as '.txt' files)
if !empty(&buftype)
return
endif
" Set the indentation style according to the config values
if s:IsRuleActive('indent_style', a:config)
if a:config["indent_style"] == "tab"
setl noexpandtab
elseif a:config["indent_style"] == "space"
setl expandtab
endif
endif
if s:IsRuleActive('tab_width', a:config)
let &l:tabstop = str2nr(a:config["tab_width"])
endif
if s:IsRuleActive('indent_size', a:config)
" if indent_size is 'tab', set shiftwidth to tabstop;
" if indent_size is a positive integer, set shiftwidth to the integer
" value
if a:config["indent_size"] == "tab"
let &l:shiftwidth = &l:tabstop
let &l:softtabstop = &l:shiftwidth
else
let l:indent_size = str2nr(a:config["indent_size"])
if l:indent_size > 0
let &l:shiftwidth = l:indent_size
let &l:softtabstop = &l:shiftwidth
endif
endif
endif
if s:IsRuleActive('end_of_line', a:config) &&
\ &l:modifiable
if a:config["end_of_line"] == "lf"
setl fileformat=unix
elseif a:config["end_of_line"] == "crlf"
setl fileformat=dos
elseif a:config["end_of_line"] == "cr"
setl fileformat=mac
endif
endif
if s:IsRuleActive('charset', a:config) &&
\ &l:modifiable
if a:config["charset"] == "utf-8"
setl fileencoding=utf-8
setl nobomb
elseif a:config["charset"] == "utf-8-bom"
setl fileencoding=utf-8
setl bomb
elseif a:config["charset"] == "latin1"
setl fileencoding=latin1
setl nobomb
elseif a:config["charset"] == "utf-16be"
setl fileencoding=utf-16be
setl bomb
elseif a:config["charset"] == "utf-16le"
setl fileencoding=utf-16le
setl bomb
endif
endif
augroup editorconfig_trim_trailing_whitespace
autocmd! BufWritePre <buffer>
if s:IsRuleActive('trim_trailing_whitespace', a:config) &&
\ get(a:config, 'trim_trailing_whitespace', 'false') ==# 'true'
autocmd BufWritePre <buffer> call s:TrimTrailingWhitespace()
endif
augroup END
if s:IsRuleActive('insert_final_newline', a:config)
if exists('+fixendofline')
if a:config["insert_final_newline"] == "false"
setl nofixendofline
else
setl fixendofline
endif
elseif exists(':SetNoEOL') == 2
if a:config["insert_final_newline"] == "false"
silent! SetNoEOL " Use the PreserveNoEOL plugin to accomplish it
endif
endif
endif
" highlight the columns following max_line_length
if s:IsRuleActive('max_line_length', a:config) &&
\ a:config['max_line_length'] != 'off'
let l:max_line_length = str2nr(a:config['max_line_length'])
if l:max_line_length >= 0
let &l:textwidth = l:max_line_length
if g:EditorConfig_preserve_formatoptions == 0
setlocal formatoptions+=tc
endif
endif
if exists('+colorcolumn')
if l:max_line_length > 0
if g:EditorConfig_max_line_indicator == 'line'
let &l:colorcolumn = l:max_line_length + 1
elseif g:EditorConfig_max_line_indicator == 'fill' &&
\ l:max_line_length < &l:columns
" Fill only if the columns of screen is large enough
let &l:colorcolumn = join(
\ range(l:max_line_length+1,&l:columns),',')
endif
endif
endif
endif
call editorconfig#ApplyHooks(a:config)
endfunction
" }}}
function! s:TrimTrailingWhitespace() " {{{{
if &l:modifiable
" don't lose user position when trimming trailing whitespace
let s:view = winsaveview()
try
silent! %s/\s\+$//e
finally
call winrestview(s:view)
endtry
endif
endfunction " }}}
function! s:IsRuleActive(name, config) " {{{{
return index(g:EditorConfig_disable_rules, a:name) < 0 &&
\ has_key(a:config, a:name)
endfunction "}}}}
let &cpo = s:saved_cpo
unlet! s:saved_cpo
" vim: fdm=marker fdc=3