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" Script Name: indentLine.vim
" Author: Yggdroot <archofortune@gmail.com>
"
" Description: To show the indention levels with thin vertical lines
scriptencoding utf-8
if ! has("conceal") || exists("g:indentLine_loaded")
finish
endif
let g:indentLine_loaded = 1
let g:indentLine_char = get(g:,'indentLine_char',(&encoding is# "utf-8" && &term isnot# "linux" ? '¦' : '|'))
let g:indentLine_first_char = get(g:,'indentLine_first_char',(&encoding is# "utf-8" && &term isnot# "linux" ? '¦' : '|'))
let g:indentLine_indentLevel = get(g:,'indentLine_indentLevel',10)
let g:indentLine_enabled = get(g:,'indentLine_enabled',1)
let g:indentLine_fileType = get(g:,'indentLine_fileType',[])
let g:indentLine_fileTypeExclude = get(g:,'indentLine_fileTypeExclude',[])
let g:indentLine_bufNameExclude = get(g:,'indentLine_bufNameExclude',[])
let g:indentLine_showFirstIndentLevel = get(g:,'indentLine_showFirstIndentLevel',0)
let g:indentLine_maxLines = get(g:,'indentLine_maxLines',3000)
let g:indentLine_setColors = get(g:,'indentLine_setColors',1)
let g:indentLine_faster = get(g:,'indentLine_faster',0)
"{{{1 function! s:InitColor()
function! s:InitColor()
if ! g:indentLine_setColors
return
endif
if ! exists("g:indentLine_color_term")
if &background is# "light"
let term_color = 249
else
let term_color = 239
endif
else
let term_color = g:indentLine_color_term
endif
if ! exists("g:indentLine_color_gui")
if &background is# "light"
let gui_color = "Grey70"
else
let gui_color = "Grey30"
endif
else
let gui_color = g:indentLine_color_gui
endif
execute "highlight Conceal ctermfg=" . term_color . " ctermbg=NONE"
execute "highlight Conceal guifg=" . gui_color . " guibg=NONE"
if &term is# "linux"
if &background is# "light"
let tty_color = exists("g:indentLine_color_tty_light") ? g:indentLine_color_tty_light : 4
else
let tty_color = exists("g:indentLine_color_tty_dark") ? g:indentLine_color_tty_dark : 2
endif
execute "highlight Conceal cterm=bold ctermfg=" . tty_color . " ctermbg=NONE"
endif
endfunction
"{{{1 function! s:SetIndentLine()
function! s:SetIndentLine()
let b:indentLine_enabled = 1
let space = &l:shiftwidth is 0 ? &l:tabstop : &l:shiftwidth
if g:indentLine_showFirstIndentLevel
execute 'syntax match IndentLine /^ / containedin=ALL conceal cchar=' . g:indentLine_first_char
endif
if g:indentLine_faster
execute 'syntax match IndentLineSpace /^\s\+/ containedin=ALL contains=IndentLine'
execute 'syntax match IndentLine / \{'.(space-1).'}\zs / contained conceal cchar=' . g:indentLine_char
execute 'syntax match IndentLine /\t\zs / contained conceal cchar=' . g:indentLine_char
else
let pattern = line('$') < g:indentLine_maxLines ? 'v' : 'c'
for i in range(space+1, space * g:indentLine_indentLevel + 1, space)
execute 'syntax match IndentLine /\%(^\s\+\)\@<=\%'.i.pattern.' / containedin=ALL conceal cchar=' . g:indentLine_char
endfor
endif
endfunction
"{{{1 function! s:ResetWidth(...)
function! s:ResetWidth(...)
if 0 < a:0
let &l:shiftwidth = a:1
endif
if exists("b:indentLine_enabled")
syntax clear IndentLine
endif
call s:SetIndentLine()
endfunction
"{{{1 function! s:IndentLinesToggle()
function! s:IndentLinesToggle()
if ! exists("b:indentLine_enabled")
let b:indentLine_enabled = 0
endif
if b:indentLine_enabled
let b:indentLine_enabled = 0
syntax clear IndentLine
else
call s:SetIndentLine()
endif
endfunction
"{{{1 function! s:Setup()
function! s:Setup()
if index(g:indentLine_fileTypeExclude, &filetype) isnot -1
return
endif
if len(g:indentLine_fileType) isnot 0 && index(g:indentLine_fileType, &filetype) is -1
return
end
for name in g:indentLine_bufNameExclude
if matchstr(bufname(''), name) is bufname('')
return
endif
endfor
if ! exists("b:indentLine_bufNr")
let b:indentLine_bufNr = bufnr('%')
let g:indentLine_bufNr = bufnr('%')
elseif g:indentLine_bufNr != bufnr('%') && &hidden
let g:indentLine_bufNr = bufnr('%')
return
endif
if ! exists("g:indentLine_noConcealCursor")
setlocal concealcursor=inc
endif
setlocal conceallevel=2
if &filetype is# ""
call s:InitColor()
endif
if ! exists("b:indentLine_enabled")
let b:indentLine_enabled = g:indentLine_enabled
endif
if b:indentLine_enabled
call s:SetIndentLine()
endif
endfunction
"{{{1 augroup indentLine
augroup indentLine
autocmd!
autocmd BufWinEnter * call <SID>Setup()
autocmd BufRead,BufNewFile,ColorScheme * call <SID>InitColor()
augroup END
"{{{1 commands
command! -nargs=? IndentLinesReset call <SID>ResetWidth(<f-args>)
command! IndentLinesToggle call <SID>IndentLinesToggle()
" vim:et:ts=4:sw=4:fdm=marker:fmr={{{,}}}
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