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|
" Vim syntax file
" Language: dircolors(1) input file
" Maintainer: Jan Larres <jan@majutsushi.net>
" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
" Latest Revision: 2018-02-19
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
syntax keyword dircolorsTodo FIXME TODO XXX NOTE contained
syntax region dircolorsComment start='#' end='$' contains=dircolorsTodo,@Spell
syntax keyword dircolorsKeyword TERM LEFT LEFTCODE RIGHT RIGHTCODE END ENDCODE
syntax keyword dircolorsKeyword NORMAL NORM FILE RESET DIR LNK LINK SYMLINK
\ MULTIHARDLINK FIFO SOCK DOOR BLK CHR ORPHAN
\ MISSING PIPE BLOCK CHR EXEC SETUID SETGID
\ CAPABILITY STICKY_OTHER_WRITABLE
\ OTHER_WRITABLE STICKY
" Slackware only, ignored by GNU dircolors.
syntax keyword dircolorsKeyword COLOR OPTIONS EIGHTBIT
syntax match dircolorsExtension '^\s*\zs[.*]\S\+'
syntax match dircolorsEscape '\\[abefnrtv?_\\^#]'
syntax match dircolorsEscape '\\[0-9]\{3}'
syntax match dircolorsEscape '\\x[0-9a-f]\{3}'
if !has('gui_running') && &t_Co == ''
syntax match dircolorsNumber '\<\d\+\>'
highlight default link dircolorsNumber Number
endif
highlight default link dircolorsTodo Todo
highlight default link dircolorsComment Comment
highlight default link dircolorsKeyword Keyword
highlight default link dircolorsExtension Identifier
highlight default link dircolorsEscape Special
function! s:set_guicolors() abort
let s:termguicolors = {}
let s:termguicolors[0] = "Black"
let s:termguicolors[1] = "DarkRed"
let s:termguicolors[2] = "DarkGreen"
let s:termguicolors[3] = "DarkYellow"
let s:termguicolors[4] = "DarkBlue"
let s:termguicolors[5] = "DarkMagenta"
let s:termguicolors[6] = "DarkCyan"
let s:termguicolors[7] = "Gray"
let s:termguicolors[8] = "DarkGray"
let s:termguicolors[9] = "Red"
let s:termguicolors[10] = "Green"
let s:termguicolors[11] = "Yellow"
let s:termguicolors[12] = "Blue"
let s:termguicolors[13] = "Magenta"
let s:termguicolors[14] = "Cyan"
let s:termguicolors[15] = "White"
let xterm_palette = ["00", "5f", "87", "af", "d7", "ff"]
let cur_col = 16
for r in xterm_palette
for g in xterm_palette
for b in xterm_palette
let s:termguicolors[cur_col] = '#' . r . g . b
let cur_col += 1
endfor
endfor
endfor
for i in range(24)
let g = i * 0xa + 8
let s:termguicolors[i + 232] = '#' . g . g . g
endfor
endfunction
function! s:get_hi_str(color, place) abort
if a:color >= 0 && a:color <= 255
if has('gui_running')
return ' gui' . a:place . '=' . s:termguicolors[a:color]
elseif a:color <= 7 || &t_Co == 256 || &t_Co == 88
return ' cterm' . a:place . '=' . a:color
endif
endif
return ''
endfunction
function! s:get_256color(colors) abort
if len(a:colors) >= 2 " May be fewer while editing
let [_five, color] = remove(a:colors, 0, 1)
if _five != '5' || color == ''
return -1
else
return str2nr(color)
endif
else
return -1
endif
endfunction
function! s:preview_color(linenr) abort
let line = getline(a:linenr)
let defline = matchlist(line, '^\v([A-Z_]+|[*.]\S+)\s+([0-9;]+)')
if empty(defline)
return
endif
let colordef = defline[2]
let colors = split(colordef, ';')
let hi_str = ''
let hi_attrs = []
while len(colors) > 0
let item = str2nr(remove(colors, 0))
if item == 1
call add(hi_attrs, 'bold')
elseif item == 3
call add(hi_attrs, 'italic')
elseif item == 4
call add(hi_attrs, 'underline')
elseif item == 7
call add(hi_attrs, 'inverse')
elseif item >= 30 && item <= 37
" ANSI SGR foreground color
let hi_str .= s:get_hi_str(item - 30, 'fg')
elseif item >= 40 && item <= 47
" ANSI SGR background color
let hi_str .= s:get_hi_str(item - 40, 'bg')
elseif item >= 90 && item <= 97
" ANSI SGR+8 foreground color (xterm 16-color support)
let hi_str .= s:get_hi_str(item - 82, 'fg')
elseif item >= 100 && item <= 107
" ANSI SGR+8 background color (xterm 16-color support)
let hi_str .= s:get_hi_str(item - 92, 'bg')
elseif item == 38
" Foreground for terminals with 88/256 color support
let color = s:get_256color(colors)
if color == -1
break
endif
let hi_str .= s:get_hi_str(color, 'fg')
elseif item == 48
" Background for terminals with 88/256 color support
let color = s:get_256color(colors)
if color == -1
break
endif
let hi_str .= s:get_hi_str(color, 'bg')
endif
endwhile
if hi_str == '' && empty(hi_attrs)
return
endif
" Check whether we have already defined this color
redir => s:currentmatch
silent! execute 'syntax list'
redir END
if s:currentmatch !~# '\/\\_s\\zs' . colordef . '\\ze\\_s\/'
" Append the buffer number to avoid problems with other dircolors
" buffers interfering
let bufnr = bufnr('%')
execute 'syntax match dircolorsColor' . b:dc_next_index . '_' . bufnr .
\ ' "\_s\zs' . colordef . '\ze\_s"'
let hi_attrs_str = ''
if !empty(hi_attrs)
if has('gui_running')
let hi_attrs_str = ' gui=' . join(hi_attrs, ',')
else
let hi_attrs_str = ' cterm=' . join(hi_attrs, ',')
endif
endif
execute 'highlight default dircolorsColor' . b:dc_next_index . '_' .
\ bufnr . hi_str . hi_attrs_str
let b:dc_next_index += 1
endif
endfunction
" Avoid accumulating too many definitions while editing
function! s:reset_colors() abort
if b:dc_next_index > 0
let bufnr = bufnr('%')
for i in range(b:dc_next_index)
execute 'syntax clear dircolorsColor' . i . '_' . bufnr
execute 'highlight clear dircolorsColor' . i . '_' . bufnr
endfor
let b:dc_next_index = 0
endif
for linenr in range(1, line('$'))
call s:preview_color(linenr)
endfor
endfunction
let b:dc_next_index = 0
if has('gui_running')
call s:set_guicolors()
endif
if has('gui_running') || &t_Co != ''
call s:reset_colors()
autocmd CursorMoved,CursorMovedI <buffer> call s:preview_color('.')
autocmd CursorHold,CursorHoldI <buffer> call s:reset_colors()
endif
let b:current_syntax = "dircolors"
let &cpo = s:cpo_save
unlet s:cpo_save
|
