.vim/autoload/Colorizer.vim (view raw)
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" Plugin: Highlight Colornames and Values
" Maintainer: Christian Brabandt <cb@256bit.org>
" URL: http://www.github.com/chrisbra/color_highlight
" Last Change: Thu, 15 Jan 2015 21:49:17 +0100
" Licence: Vim License (see :h License)
" Version: 0.11
" GetLatestVimScripts: 3963 11 :AutoInstall: Colorizer.vim
"
" This plugin was inspired by the css_color.vim plugin from Nikolaus Hofer.
" Changes made: - make terminal colors work more reliably and with all
" color terminals
" - performance improvements, coloring is almost instantenously
" - detect rgb colors like this: rgb(R,G,B)
" - detect hvl coloring: hvl(H,V,L)
" - fix small bugs
" - Color ANSI Term values and hide terminal escape sequences
" Init some variables "{{{1
let s:cpo_save = &cpo
set cpo&vim
" the 6 value iterations in the xterm color cube "{{{2
let s:valuerange6 = [ 0x00, 0x5F, 0x87, 0xAF, 0xD7, 0xFF ]
"" the 4 value iterations in the 88 color xterm cube "{{{2
let s:valuerange4 = [ 0x00, 0x8B, 0xCD, 0xFF ]
"
"" 16 basic colors "{{{2
let s:basic16 = [
\ [ 0x00, 0x00, 0x00 ],
\ [ 0xCD, 0x00, 0x00 ],
\ [ 0x00, 0xCD, 0x00 ],
\ [ 0xCD, 0xCD, 0x00 ],
\ [ 0x00, 0x00, 0xEE ],
\ [ 0xCD, 0x00, 0xCD ],
\ [ 0x00, 0xCD, 0xCD ],
\ [ 0xE5, 0xE5, 0xE5 ],
\ [ 0x7F, 0x7F, 0x7F ],
\ [ 0xFF, 0x00, 0x00 ],
\ [ 0x00, 0xFF, 0x00 ],
\ [ 0xFF, 0xFF, 0x00 ],
\ [ 0x5C, 0x5C, 0xFF ],
\ [ 0xFF, 0x00, 0xFF ],
\ [ 0x00, 0xFF, 0xFF ],
\ [ 0xFF, 0xFF, 0xFF ]
\ ]
" Cygwin / Window console / ConEmu has different color codes
if ($ComSpec =~# '^\%(command\.com\|cmd\.exe\)$' &&
\ !s:HasGui()) ||
\ (exists("$ConEmuPID") &&
\ $ConEmuANSI ==# "OFF") ||
\ ($TERM ==# 'cygwin' && &t_Co == 16) " Cygwin terminal
" command.com/ConEmu Color Cube (currently only supports 16 colors)
let s:basic16 = [
\ [ 0x00, 0x00, 0x00 ],
\ [ 0x00, 0x00, 0x80 ],
\ [ 0x00, 0x80, 0x00 ],
\ [ 0x00, 0x80, 0x80 ],
\ [ 0x80, 0x00, 0x00 ],
\ [ 0x80, 0x00, 0x80 ],
\ [ 0xFF, 0xFF, 0x00 ],
\ [ 0xFF, 0xFF, 0xFF ],
\ [ 0xC0, 0xC0, 0xC0 ],
\ [ 0x00, 0x00, 0xFF ],
\ [ 0x00, 0xFF, 0x00 ],
\ [ 0x00, 0xFF, 0xFF ],
\ [ 0xFF, 0x00, 0x00 ],
\ [ 0xFF, 0x00, 0xFF ],
\ [ 0xFF, 0xFF, 0x00 ],
\ [ 0xFF, 0xFF, 0xFF ]
\ ]
let &t_Co=16
endif
" xterm-8 colors "{{{2
let s:xterm_8colors = {
\ 'black': '#000000',
\ 'darkblue': '#00008B',
\ 'darkgreen': '#00CD00',
\ 'darkcyan': '#00CDCD',
\ 'darkred': '#CD0000',
\ 'darkmagenta': '#8B008B',
\ 'brown': '#CDCD00',
\ 'darkyellow': '#CDCD00',
\ 'lightgrey': '#E5E5E5',
\ 'lightgray': '#E5E5E5',
\ 'gray': '#E5E5E5',
\ 'grey': '#E5E5E5'
\ }
" xterm-16 colors "{{{2
let s:xterm_16colors = {
\ 'darkgrey': '#7F7F7F',
\ 'darkgray': '#7F7F7F',
\ 'blue': '#5C5CFF',
\ 'lightblue': '#5C5CFF',
\ 'green': '#00FF00',
\ 'lightgreen': '#00FF00',
\ 'cyan': '#00FFFF',
\ 'lightcyan': '#00FFFF',
\ 'red': '#FF0000',
\ 'lightred': '#FF0000',
\ 'magenta': '#FF00FF',
\ 'lightmagenta': '#FF00FF',
\ 'yellow': '#FFFF00',
\ 'lightyellow': '#FFFF00',
\ 'white': '#FFFFFF',
\ }
" add the items from the 8 color xterm variable to the 16 color xterm
call extend(s:xterm_16colors, s:xterm_8colors)
" W3C Colors "{{{2
let s:w3c_color_names = {
\ 'aliceblue': '#F0F8FF',
\ 'antiquewhite': '#FAEBD7',
\ 'aqua': '#00FFFF',
\ 'aquamarine': '#7FFFD4',
\ 'azure': '#F0FFFF',
\ 'beige': '#F5F5DC',
\ 'bisque': '#FFE4C4',
\ 'black': '#000000',
\ 'blanchedalmond': '#FFEBCD',
\ 'blue': '#0000FF',
\ 'blueviolet': '#8A2BE2',
\ 'brown': '#A52A2A',
\ 'burlywood': '#DEB887',
\ 'cadetblue': '#5F9EA0',
\ 'chartreuse': '#7FFF00',
\ 'chocolate': '#D2691E',
\ 'coral': '#FF7F50',
\ 'cornflowerblue': '#6495ED',
\ 'cornsilk': '#FFF8DC',
\ 'crimson': '#DC143C',
\ 'cyan': '#00FFFF',
\ 'darkblue': '#00008B',
\ 'darkcyan': '#008B8B',
\ 'darkgoldenrod': '#B8860B',
\ 'darkgray': '#A9A9A9',
\ 'darkgreen': '#006400',
\ 'darkkhaki': '#BDB76B',
\ 'darkmagenta': '#8B008B',
\ 'darkolivegreen': '#556B2F',
\ 'darkorange': '#FF8C00',
\ 'darkorchid': '#9932CC',
\ 'darkred': '#8B0000',
\ 'darksalmon': '#E9967A',
\ 'darkseagreen': '#8FBC8F',
\ 'darkslateblue': '#483D8B',
\ 'darkslategray': '#2F4F4F',
\ 'darkturquoise': '#00CED1',
\ 'darkviolet': '#9400D3',
\ 'deeppink': '#FF1493',
\ 'deepskyblue': '#00BFFF',
\ 'dimgray': '#696969',
\ 'dodgerblue': '#1E90FF',
\ 'firebrick': '#B22222',
\ 'floralwhite': '#FFFAF0',
\ 'forestgreen': '#228B22',
\ 'fuchsia': '#FF00FF',
\ 'gainsboro': '#DCDCDC',
\ 'ghostwhite': '#F8F8FF',
\ 'gold': '#FFD700',
\ 'goldenrod': '#DAA520',
\ 'gray': '#808080',
\ 'green': '#008000',
\ 'greenyellow': '#ADFF2F',
\ 'honeydew': '#F0FFF0',
\ 'hotpink': '#FF69B4',
\ 'indianred': '#CD5C5C',
\ 'indigo': '#4B0082',
\ 'ivory': '#FFFFF0',
\ 'khaki': '#F0E68C',
\ 'lavender': '#E6E6FA',
\ 'lavenderblush': '#FFF0F5',
\ 'lawngreen': '#7CFC00',
\ 'lemonchiffon': '#FFFACD',
\ 'lightblue': '#ADD8E6',
\ 'lightcoral': '#F08080',
\ 'lightcyan': '#E0FFFF',
\ 'lightgoldenrodyellow': '#FAFAD2',
\ 'lightgray': '#D3D3D3',
\ 'lightgreen': '#90EE90',
\ 'lightpink': '#FFB6C1',
\ 'lightsalmon': '#FFA07A',
\ 'lightseagreen': '#20B2AA',
\ 'lightskyblue': '#87CEFA',
\ 'lightslategray': '#778899',
\ 'lightsteelblue': '#B0C4DE',
\ 'lightyellow': '#FFFFE0',
\ 'lime': '#00FF00',
\ 'limegreen': '#32CD32',
\ 'linen': '#FAF0E6',
\ 'magenta': '#FF00FF',
\ 'maroon': '#800000',
\ 'mediumaquamarine': '#66CDAA',
\ 'mediumblue': '#0000CD',
\ 'mediumorchid': '#BA55D3',
\ 'mediumpurple': '#9370D8',
\ 'mediumseagreen': '#3CB371',
\ 'mediumslateblue': '#7B68EE',
\ 'mediumspringgreen': '#00FA9A',
\ 'mediumturquoise': '#48D1CC',
\ 'mediumvioletred': '#C71585',
\ 'midnightblue': '#191970',
\ 'mintcream': '#F5FFFA',
\ 'mistyrose': '#FFE4E1',
\ 'moccasin': '#FFE4B5',
\ 'navajowhite': '#FFDEAD',
\ 'navy': '#000080',
\ 'oldlace': '#FDF5E6',
\ 'olive': '#808000',
\ 'olivedrab': '#6B8E23',
\ 'orange': '#FFA500',
\ 'orangered': '#FF4500',
\ 'orchid': '#DA70D6',
\ 'palegoldenrod': '#EEE8AA',
\ 'palegreen': '#98FB98',
\ 'paleturquoise': '#AFEEEE',
\ 'palevioletred': '#D87093',
\ 'papayawhip': '#FFEFD5',
\ 'peachpuff': '#FFDAB9',
\ 'peru': '#CD853F',
\ 'pink': '#FFC0CB',
\ 'plum': '#DDA0DD',
\ 'powderblue': '#B0E0E6',
\ 'purple': '#800080',
\ 'red': '#FF0000',
\ 'rosybrown': '#BC8F8F',
\ 'royalblue': '#4169E1',
\ 'saddlebrown': '#8B4513',
\ 'salmon': '#FA8072',
\ 'sandybrown': '#F4A460',
\ 'seagreen': '#2E8B57',
\ 'seashell': '#FFF5EE',
\ 'sienna': '#A0522D',
\ 'silver': '#C0C0C0',
\ 'skyblue': '#87CEEB',
\ 'slateblue': '#6A5ACD',
\ 'slategray': '#708090',
\ 'snow': '#FFFAFA',
\ 'springgreen': '#00FF7F',
\ 'steelblue': '#4682B4',
\ 'tan': '#D2B48C',
\ 'teal': '#008080',
\ 'thistle': '#D8BFD8',
\ 'tomato': '#FF6347',
\ 'turquoise': '#40E0D0',
\ 'violet': '#EE82EE',
\ 'wheat': '#F5DEB3',
\ 'white': '#FFFFFF',
\ 'whitesmoke': '#F5F5F5',
\ 'yellow': '#FFFF00',
\ 'yellowgreen': '#9ACD32'
\ }
" X11 color names taken from "{{{2
" http://cvsweb.xfree86.org/cvsweb/*checkout*/xc/programs/rgb/rgb.txt?rev=1.2
let s:x11_color_names = {
\ 'snow': '#FFFAFA',
\ 'ghostwhite': '#F8F8FF',
\ 'whitesmoke': '#F5F5F5',
\ 'gainsboro': '#DCDCDC',
\ 'floralwhite': '#FFFAF0',
\ 'oldlace': '#FDF5E6',
\ 'linen': '#FAF0E6',
\ 'antiquewhite': '#FAEBD7',
\ 'papayawhip': '#FFEFD5',
\ 'blanchedalmond': '#FFEBCD',
\ 'bisque': '#FFE4C4',
\ 'peachpuff': '#FFDAB9',
\ 'navajowhite': '#FFDEAD',
\ 'moccasin': '#FFE4B5',
\ 'cornsilk': '#FFF8DC',
\ 'ivory': '#FFFFF0',
\ 'lemonchiffon': '#FFFACD',
\ 'seashell': '#FFF5EE',
\ 'honeydew': '#F0FFF0',
\ 'mintcream': '#F5FFFA',
\ 'azure': '#F0FFFF',
\ 'aliceblue': '#F0F8FF',
\ 'lavender': '#E6E6FA',
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\ 'grey80': '#CCCCCC',
\ 'gray81': '#CFCFCF',
\ 'grey81': '#CFCFCF',
\ 'gray82': '#D1D1D1',
\ 'grey82': '#D1D1D1',
\ 'gray83': '#D4D4D4',
\ 'grey83': '#D4D4D4',
\ 'gray84': '#D6D6D6',
\ 'grey84': '#D6D6D6',
\ 'gray85': '#D9D9D9',
\ 'grey85': '#D9D9D9',
\ 'gray86': '#DBDBDB',
\ 'grey86': '#DBDBDB',
\ 'gray87': '#DEDEDE',
\ 'grey87': '#DEDEDE',
\ 'gray88': '#E0E0E0',
\ 'grey88': '#E0E0E0',
\ 'gray89': '#E3E3E3',
\ 'grey89': '#E3E3E3',
\ 'gray90': '#E5E5E5',
\ 'grey90': '#E5E5E5',
\ 'gray91': '#E8E8E8',
\ 'grey91': '#E8E8E8',
\ 'gray92': '#EBEBEB',
\ 'grey92': '#EBEBEB',
\ 'gray93': '#EDEDED',
\ 'grey93': '#EDEDED',
\ 'gray94': '#F0F0F0',
\ 'grey94': '#F0F0F0',
\ 'gray95': '#F2F2F2',
\ 'grey95': '#F2F2F2',
\ 'gray96': '#F5F5F5',
\ 'grey96': '#F5F5F5',
\ 'gray97': '#F7F7F7',
\ 'grey97': '#F7F7F7',
\ 'gray98': '#FAFAFA',
\ 'grey98': '#FAFAFA',
\ 'gray99': '#FCFCFC',
\ 'grey99': '#FCFCFC',
\ 'gray100': '#FFFFFF',
\ 'grey100': '#FFFFFF',
\ 'darkgrey': '#A9A9A9',
\ 'darkgray': '#A9A9A9',
\ 'darkblue': '#00008B',
\ 'darkcyan': '#008B8B',
\ 'darkmagenta': '#8B008B',
\ 'darkred': '#8B0000',
\ 'lightgreen': '#90EE90'
\ }
" Functions, to highlight certain types {{{1
function! s:ColorRGBValues(val) "{{{2
let s:position = getpos('.')
if <sid>IsInComment()
" skip coloring comments
return
endif
" strip parantheses and split on comma
let rgb = s:StripParentheses(a:val)
if empty(rgb)
call s:Warn("Error in expression". a:val. "! Please report as bug.")
return
endif
for i in range(3)
if rgb[i][-1:-1] == '%'
let val = matchstr(rgb[i], '\d\+')
if (val + 0 > 100)
let rgb[1] = 100
endif
let rgb[i] = float2nr((val + 0.0)*255/100)
else
if rgb[i] + 0 > 255
let rgb[i] = 255
endif
endif
endfor
if len(rgb) == 4
let rgb = s:ApplyAlphaValue(rgb)
endif
let clr = printf("%02X%02X%02X", rgb[0],rgb[1],rgb[2])
call s:SetMatcher(a:val, {'bg': clr})
endfunction
function! s:ColorHSLValues(val) "{{{2
let s:position = getpos('.')
if <sid>IsInComment()
" skip coloring comments
return
endif
" strip parantheses and split on comma
let hsl = s:StripParentheses(a:val)
if empty(hsl)
call s:Warn("Error in expression". a:val. "! Please report as bug.")
return
endif
let str = s:PrepareHSLArgs(hsl)
call s:SetMatcher(a:val, {'bg': str})
return
endfu
function! s:PreviewColorName(color) "{{{2
let s:position = getpos('.')
let name=tolower(a:color)
let clr = s:colors[name]
" Skip color-name, e.g. white-space property
call s:SetMatcher('-\@<!\<'.name.'\>\c-\@!', {'bg': clr[1:]})
endfu
function! s:PreviewColorHex(match) "{{{2
let s:position = getpos('.')
if <sid>IsInComment()
" skip coloring comments
return
endif
let color = (a:match[0] == '#' ? a:match[1:] : a:match)
let pattern = color
if len(color) == 3
let color = substitute(color, '.', '&&', 'g')
endif
if &t_Co == 8 && !s:HasGui()
" The first 12 color names, can be displayed by 8 color terminals
let list = values(s:xterm_8colors)
let idx = match(list, a:match)
if idx == -1
" Color can't be displayed by 8 color terminal
return
else
let color = list[idx]
endif
endif
if len(split(pattern, '\zs')) == 8
" apply alpha value
let l = split(pattern, '..\zs')
call map(l, 'printf("%2d", "0x".v:val)')
let l[3] = string(str2float(l[3])/255) " normalize to 0-1
let l = s:ApplyAlphaValue(l)
let color = printf("%02X%02X%02X", l[0], l[1], l[2])
endif
call s:SetMatcher(s:hex_pattern[0]. pattern. s:hex_pattern[2], {'bg': color})
endfunction
function! s:PreviewColorTerm(pre, text, post) "{{{2
" a:pre: Ansi-Sequences determining the highlighting
" a:text: Text to color
" a:post: Ansi-Sequences resetting the coloring (might be empty)
let s:position = getpos('.')
let color = s:Ansi2Color(a:pre)
let clr_Dict = {}
if &t_Co == 8 && !s:HasGui()
" The first 12 color names, can be displayed by 8 color terminals
let i = 0
for clr in color
let list = values(s:xterm_8colors)
let idx = match(list, clr)
if idx == -1
" Color can't be displayed by 8 color terminal
let color[i] = NONE
else
let color[i] = list[idx]
endif
let i+=1
endfor
endif
let clr_Dict.fg = color[0]
let clr_Dict.bg = color[1]
let pre = escape(a:pre, '[]')
let post = escape(a:post, '[]')
let txt = escape(a:text, '\^$.*~[]')
" limit the pattern to the belonging line (should make syntax matching
" faster!)
let pattern = '\%(\%'.line('.').'l\)\%('. pre. '\)\@<='.txt. '\('.post.'\)\@='
" needs matchaddpos
let clr_Dict.pos = [[ line('.'), col('.'), strlen(a:pre. a:text. a:post)]]
call s:SetMatcher(pattern, clr_Dict)
endfunction
function! s:PreviewColorNroff(match) "{{{2
let s:position = getpos('.')
let clr_Dict = {}
let color = []
if a:match[0] == '_'
let special = 'underline'
else
let special = 'bold'
endif
let synid=synIDtrans(synID(line('.'), col('.'), 1))
if synid == 0
let synid = hlID('Normal')
endif
let color=[synIDattr(synid, 'fg'), synIDattr(synid, 'bg')]
if color == [0, 0] || color == ['', '']
let color = [synIDattr(hlID('Normal'), 'fg'), synIDattr(hlID('Normal'), 'bg')]
endif
let clr_Dict.fg = color[0]
let clr_Dict.bg = color[1]
let clr_Dict.special=special
" limit the pattern to the belonging line (should make syntax matching
" faster!)
let pattern = '\%(\%'.line('.').'l\)'.a:match
" needs matchaddpos
let clr_Dict.pos = [[ line('.'), col('.'), 3]]
call s:SetMatcher(pattern, clr_Dict)
endfunction
function! s:PreviewTaskWarriorColors(submatch) "{{{2
" a:submatch is something like 'black on rgb141'
" this highlighting should overrule e.g. colorname highlighting
let s:position = getpos('.')
let s:default_match_priority += 1
let color = ['', 'NONE', 'NONE']
let color_Dict = {}
" The submatch is everything after the first equalsign!
let tpat = '\(inverse\|underline\|bright\|bold\)\?\%(\s*\)\(\S\{3,}\)'.
\ '\?\%(\s*\)\?\%(on\s\+'.
\ '\%(inverse\|underline\|bright\|bold\)\?\%(\s*\)\(\S\{3,}\)\)\?'
let colormatch = matchlist(a:submatch, tpat)
try
if !empty(colormatch) && !empty(colormatch[0])
let i=-1
for m in colormatch[1:3]
let i+=1
if i == 0
if (!empty(colormatch[1]))
let color_Dict.special=colormatch[1]
else
continue
endif
endif
if match(keys(s:colors), '\<'.m.'\>') > -1
if i == 1
let color_Dict.fg = s:colors[m][1:] " skip the # sign
elseif i == 2
let color_Dict.bg = s:colors[m][1:] " skip the # sign
endif
continue
elseif match(m, '^rgb...') > -1
let color[i] = m[3] * 36 + m[4] * 6 + m[5] + 16 " (start at index 16)
if color[i] > 231
" invalid color
return
endif
elseif match(m, '^color') > -1
let color[i] = matchstr(m, '\d\+')+0
if color[i] > 231
" invalid color
return
endif
elseif match(m, '^gray') > -1
let color[i] = matchstr(m, '\d\+') + 232
if color[i] > 231
" invalid color
return
endif
endif
if i == 1
let color_Dict.ctermfg = color[i]
elseif i == 2
let color_Dict.ctermbg = color[i]
endif
endfor
let cname = get(color_Dict, 'fg', 'NONE')
if cname ==# 'NONE' && get(color_Dict, 'ctermfg')
let cname = s:Term2RGB(color_Dict.ctermfg)
endif
call s:SetMatcher('=\s*\zs\<'.a:submatch.'\>$', color_Dict)
endif
finally
let s:default_match_priority -= 1
let s:stop = 1
endtry
endfunction
function! s:PreviewVimColors(submatch) "{{{2
" a:submatch is something like 'black on rgb141'
" this highlighting should overrule e.g. colorname highlighting
let s:position = getpos('.')
let s:default_match_priority += 1
if !exists("s:x11_color_pattern")
let s:x11_color_pattern = s:GetColorPattern(keys(s:x11_color_names))
endif
let color_Dict = {}
let pat1 = '\%(\(cterm[fb]g\)\s*=\s*\)\@<=\<\(\d\+\)\>'
let pat2 = '\%(\(gui[fb]g\)\s*=\s*\)\@<=#\(\x\{6}\)\>'
let pat3 = '\%#=1\%(\(gui[fb]g\)\s*=\s*\)\@<=\('.s:x11_color_pattern.'\)'
let cterm = matchlist(a:submatch, pat1)
let gui = matchlist(a:submatch, pat2)
if (!empty(gui) && (gui[2] ==# 'bg' ||
\ gui[2] ==# 'fg' ||
\ gui[2] ==# 'foreground' ||
\ gui[2] ==# 'background'))
let gui=[]
endif
if empty(gui)
let gui = matchlist(a:submatch, pat3)
if !empty(gui)
let gui[2] = s:x11_color_names[tolower(gui[2])]
endif
endif
try
if !empty(cterm)
let color_Dict.ctermbg = cterm[2]
elseif !empty(gui)
let color_Dict.bg = gui[2]
endif
if empty(gui) && empty(cterm)
return
endif
call s:SetMatcher('\<'.a:submatch.'\>', color_Dict)
finally
let s:default_match_priority -= 1
endtry
endfunction
function! s:PreviewVimHighlightDump(match) "{{{2
" highlights dumps of :hi
" e.g
"SpecialKey xxx term=bold cterm=bold ctermfg=124 guifg=Cyan
let s:position = getpos('.')
let s:default_match_priority += 1
let dict = {}
try
let match = split(a:match, '\_s\+')
if a:match =~# 'cleared'
" ipaddr xxx cleared
return
elseif a:match =~# 'links to'
" try to find a non-cleared group
let c1 = <sid>SynID(match[0])
let group = match[0]
if empty(c1)
let group = match[-1]
endif
call s:SetMatch('Color_'.group, '^'.s:GetPatternLiteral(a:match), {})
else
let dict.name = 'Color_'.match[0]
call remove(match, 0, 1)
let dict = s:DictFromList(dict, match)
call s:SetMatcher(s:GetPatternLiteral(a:match), dict)
endif
finally
let s:default_match_priority -= 1
" other highlighting functions shouldn't run anymore
let s:stop = 1
endtry
endfunction
function! s:PreviewVimHighlight(match) "{{{2
" like colorhighlight plugin,
" colorizer highlight statements in .vim files
let s:position = getpos('.')
let tmatch = a:match
let def = []
let dict = {}
try
if a:match =~ '^\s*hi\%[ghlight]\s\+clear'
" highlight clear lines, don't colorize!
return
endif
" Special case:
" HtmlHiLink foo bar -> links foo to bar
" hi! def link foo bar -> links foo to bar
let match = matchlist(tmatch, '\C\%(\%[Html\]HiLink\|hi\%[ghlight]!\?\s*\%(def\%[ault]\s*\)\?link\)\s\+\(\w\+\)\s\+\(\w\+\)')
" Hopefully tmatch[1] has already been defined ;(
if len(match)
call s:SetMatch('Color_'.match[1], '^\V'.escape(a:match, '\\'), {})
return
endif
let tmatch = substitute(tmatch, '^\c\s*hi\%[ghlight]!\?\(\s*def\%[ault]\)\?', '', '')
let match = map(split(tmatch), 'substitute(v:val, ''^\s\+\|\s\+$'', "", "g")')
if len(match) < 2
return
else
let dict.name = 'Color_'.get(match, 0)
let dict = s:DictFromList(dict, match)
call s:SetMatcher(s:GetPatternLiteral(a:match), dict)
endif
endtry
endfunction
function! s:IsInComment() "{{{1
return s:skip_comments &&
\ synIDattr(synIDtrans(synID(line('.'), col('.'),1)), 'name') == "Comment"
endfu
function! s:DictFromList(dict, list) "{{{1
let dict = copy(a:dict)
let match = filter(a:list, 'v:val =~# ''=''')
for item in match
let [t1, t2] = split(item, '=')
let dict[t1] = t2
endfor
return dict
endfunction
function! s:GetPatternLiteral(pat) "{{{1
return '\V'. substitute(escape(a:pat, '\\'), "\n", '\\n', 'g')
endfu
function! s:Term2RGB(index) "{{{1
" Return index in colortable in RRGGBB form
return join(map(copy(s:colortable[a:index]), 'printf("%02X", v:val)'),'')
endfu
function! s:Reltime(...) "{{{1
return exists("a:1") ? reltime(a:1) : reltime()
endfu
function! s:PrintColorStatistics() "{{{1
if get(g:, 'colorizer_debug', 0)
echohl Title
echom printf("Colorstatistics at: %s", strftime("%H:%M"))
echom printf("Duration: %s", reltimestr(s:relstop))
for name in sort(keys(extend(s:color_patterns, s:color_patterns_special)))
let value = get(extend(s:color_patterns, s:color_patterns_special), name)
echom printf("%15s: %ss", name, (value[-1] == [] ? ' 0.000000' : reltimestr(value[-1])))
endfor
echohl Normal
endif
endfu
function! s:ColorInit(...) "{{{1
let s:force_hl = !empty(a:1)
let s:term_true_color = (exists('+tgc') && &tgc)
let s:stop = 0
" default matchadd priority
let s:default_match_priority = -2
" pattern/function dict
" Needed for s:ColorMatchingLines(), disabled, as this is too slow.
"let s:pat_func = {'#\x\{3,6\}': function('<sid>PreviewColorHex'),
" \ 'rgba\=(\s*\%(\d\+%\?\D*\)\{3,4})':
" \ function('<sid>ColorRGBValues'),
" \ 'hsla\=(\s*\%(\d\+%\?\D*\)\{3,4})':
" \ function('s:ColorHSLValues')}
" Cache old values
if !exists("s:old_tCo")
let s:old_tCo = &t_Co
endif
if !exists("s:swap_fg_bg")
let s:swap_fg_bg = 0
endif
if !exists("s:round")
let s:round = 0
endif
" Enable Autocommands
if exists("g:colorizer_auto_color")
call Colorizer#AutoCmds(g:colorizer_auto_color)
endif
" Debugging
let s:debug = get(g:, 'colorizer_debug', 0)
" Don't highlight comment?
let s:skip_comments = get(g:, 'colorizer_skip_comments', 0)
" foreground / background contrast
let s:predefined_fgcolors = {}
let s:predefined_fgcolors['dark'] = ['444444', '222222', '000000']
let s:predefined_fgcolors['light'] = ['bbbbbb', 'dddddd', 'ffffff']
if !exists('g:colorizer_fgcontrast')
" Default to black / white
let g:colorizer_fgcontrast = len(s:predefined_fgcolors['dark']) - 1
elseif g:colorizer_fgcontrast >= len(s:predefined_fgcolors['dark'])
call s:Warn("g:colorizer_fgcontrast value invalid, using default")
let g:colorizer_fgcontrast = len(s:predefined_fgcolors['dark']) - 1
endif
if !exists("s:old_fgcontrast")
" if the value was changed since last time,
" be sure to clear the old highlighting.
let s:old_fgcontrast = g:colorizer_fgcontrast
endif
if exists("g:colorizer_swap_fgbg")
if s:swap_fg_bg != g:colorizer_swap_fgbg
let s:force_hl = 1
endif
let s:swap_fg_bg = g:colorizer_swap_fgbg
endif
if exists("g:colorizer_colornames")
if exists("s:color_names") &&
\ s:color_names != g:colorizer_colornames
let s:force_hl = 1
endif
let s:color_names = g:colorizer_colornames
else
let s:color_names = 1
endif
let s:color_syntax = get(g:, 'colorizer_syntax', 0)
if get(g:, 'colorizer_only_unfolded', 0) && exists(":foldd") == 1
let s:color_unfolded = 'foldd '
else
let s:color_unfolded = ''
endif
if hlID('Color_Error') == 0
hi default link Color_Error Error
endif
if !s:force_hl && s:old_fgcontrast != g:colorizer_fgcontrast
\ && s:swap_fg_bg == 0
" Doesn't work with swapping fg bg colors
let s:force_hl = 1
let s:old_fgcontrast = g:colorizer_fgcontrast
endif
" User manually changed the &t_Co option, so reset it
if s:old_tCo != &t_Co
unlet! s:colortable
endif
if !exists("s:init_css") || !exists("s:colortable") ||
\ empty(s:colortable)
" Only calculate the colortable when running
if &t_Co == 8
let s:colortable = map(range(0,7), 's:Xterm2rgb16(v:val)')
elseif &t_Co == 16
let s:colortable = map(range(0,15), 's:Xterm2rgb16(v:val)')
elseif &t_Co == 88
let s:colortable = map(range(0,87), 's:Xterm2rgb88(v:val)')
" terminal with 256 colors or gVim
elseif &t_Co == 256 || empty(&t_Co)
let s:colortable = map(range(0,255), 's:Xterm2rgb256(v:val)')
endif
if s:debug && exists("s:colortable")
let g:colortable = s:colortable
endif
let s:init_css = 1
elseif s:force_hl
call Colorizer#ColorOff()
endif
let s:conceal = [&l:cole, &l:cocu]
let s:hex_pattern = get(g:, 'colorizer_hex_pattern',
\ ['#', '\%(\x\{3}\|\x\{6}\|\x\{8\}\)', '\%(\>\|[-_]\)\@='])
if s:HasGui() || &t_Co >= 8 || s:HasColorPattern()
" The list of available match() patterns
let w:match_list = s:GetMatchList()
" If the syntax highlighting got reset, force recreating it
if ((empty(w:match_list) || !hlexists(w:match_list[0].group) ||
\ (empty(<sid>SynID(w:match_list[0].group)) && !s:force_hl)))
let s:force_hl = 1
endif
if &t_Co > 16 || s:HasGui()
let s:colors = (exists("g:colorizer_x11_names") ?
\ s:x11_color_names : s:w3c_color_names)
elseif &t_Co == 16
" should work with 16 colors terminals
let s:colors = s:xterm_16colors
else
let s:colors = s:xterm_8colors
endif
if exists("g:colorizer_custom_colors")
call extend(s:colors, g:colorizer_custom_colors, 'force')
endif
let s:colornamepattern = s:GetColorPattern(keys(s:colors))
"call map(w:match_list, 'v:val.pattern')
else
throw "nocolor"
endif
" Dictionary, containing all information on what to color
" Key: Name
" Value: List, containing 1) Pattern to find color
" 2) func ref to call on the match of 1
" 3) Name of variable, to enable or this enty
" 4) condition, that must be fullfilled, before
" using this entry
" ยด 5) reltime for dumping statistics
let s:color_patterns = {
\ 'rgb': ['rgb(\s*\%(\d\+%\?[^)]*\)\{3})',
\ function("s:ColorRGBValues"), 'colorizer_rgb', 1, [] ],
\ 'rgba': ['rgba(\s*\%(\d\+%\?\D*\)\{3}\%(\%(0\?\%(.\d\+\)\?\)\|1\))',
\ function("s:ColorRGBValues"), 'colorizer_rgba', 1, [] ],
\ 'hsla': ['hsla\=(\s*\%(\d\+%\?\D*\)\{3}\%(\%(0\?\%(.\d\+\)\?\)\|1\)\=)',
\ function("s:ColorHSLValues"), 'colorizer_hsla', 1, [] ],
\ 'vimcolors': ['\%(gui[fb]g\|cterm[fb]g\)\s*=\s*\<\%(\d\+\|#\x\{6}\|\w\+\)\>',
\ function("s:PreviewVimColors"), 'colorizer_vimcolors', '&ft ==# "vim"', [] ],
\ 'vimhighlight': ['^\s*\%(\%[Html]HiLink\s\+\w\+\s\+\w\+\)\|'.
\ '\(^\s*hi\%[ghlight]!\?\s\+\(clear\)\@!\S\+.*\)',
\ function("s:PreviewVimHighlight"), 'colorizer_vimhighlight', '&ft ==# "vim"', [] ],
\ 'taskwarrior': ['^color[^=]*=\zs.\+$',
\ function("s:PreviewTaskWarriorColors"), 'colorizer_taskwarrior', 'expand("%:e") ==# "theme"', [] ],
\ 'hex': [join(s:hex_pattern, ''), function("s:PreviewColorHex"), 'colorizer_hex', 1, [] ],
\ 'vimhighl_dump': ['^\v\w+\s+xxx%((\s+(term|cterm%([bf]g)?|gui%(%([bf]g|sp))?'.
\ ')\=[#0-9A-Za-z_,]+)+)?%(\_\s+links to \w+)?%( cleared)@!',
\ function("s:PreviewVimHighlightDump"), 'colorizer_vimhighl_dump', 'empty(&ft)', [] ]
\ }
" term_conceal: patterns to hide, currently: [K$ and the color patterns [0m[01;32m
let s:color_patterns_special = {
\ 'term': ['\%(\%x1b\[0m\)\?\(\%(\%x1b\[\d\+\%([:;]\d\+\)*m\)\+\)\([^\e]*\)\(\%x1b\%(\[0m\|\[K\)\)\=',
\ function("s:PreviewColorTerm"), 'colorizer_term', [] ],
\ 'term_nroff': ['\%(\(.\)\%u8\1\)\|\%(_\%u8.\)', function("s:PreviewColorNroff"), 'colorizer_nroff', [] ],
\ 'term_conceal': [ ['\%(\(\%(\%x1b\[0m\)\?\%x1b\[\d\+\%([;:]\d\+\)*\a\)\|\%x1b\[K$\)',
\ '\%d13', '\%(\%x1b\[K\)', '\%(\%x1b\]\d\+;\d\+;\)', '\%(\%x1b\\\)',
\ '\%x1b(B\%x1b\[m', '\%x1b\[m\%x0f', '_\%u8.\@=', '\(.\)\%u8\%(\1\)\@='],
\ '',
\ 'colorizer_term_conceal', [] ]
\ }
if exists("s:colornamepattern") && s:color_names
let s:color_patterns["colornames"] = [ s:colornamepattern,
\ function("s:PreviewColorName"), 'colorizer_colornames', 1, [] ]
endif
endfu
function! s:AddOffset(list) "{{{1
return a:list
let result=[]
for val in a:list
let val = ('0X'.val) + 0
if val < get(g:, 'colorizer_min_offset', 0)
let val = get(g:, 'colorizer_add_offset', 0)
endif
call add(result, val)
endfor
return result
endfu
function! s:SwapColors(list) "{{{1
if empty(a:list[0]) && empty(a:list[1])
return a:list
elseif s:swap_fg_bg > 0
return [a:list[1]] + ['NONE']
elseif s:swap_fg_bg == -1
return [a:list[1], a:list[0]]
else
return a:list
endif
endfu
function! s:FGforBG(bg) "{{{1
" takes a 6hex color code and returns a matching color that is visible
let fgc = g:colorizer_fgcontrast
if fgc == -1
return a:bg
endif
if a:bg ==# 'NONE'
return (&bg==#'dark' ? s:predefined_fgcolors['dark'][fgc] : s:predefined_fgcolors['light'][fgc])
endif
let r = '0x'.a:bg[0:1]+0
let g = '0x'.a:bg[2:3]+0
let b = '0x'.a:bg[4:5]+0
if r*30 + g*59 + b*11 > 12000
return s:predefined_fgcolors['dark'][fgc]
else
return s:predefined_fgcolors['light'][fgc]
end
endfunction
function! s:DidColor(clr, pat) "{{{1
let idx = index(w:match_list, a:pat)
if idx > -1
let attr = <sid>SynID(a:clr)
if (!empty(attr) && get(w:match_list, idx) ==# a:pat)
return 1
endif
endif
return 0
endfu
function! s:DoHlGroup(group, Dict) "{{{1
if !s:force_hl
let syn = <sid>SynID(a:group)
if !empty(syn)
" highlighting already exists
return
endif
endif
if empty(a:Dict)
" try to link the given highlight group
call s:Exe("hi link ". a:group. " ". matchstr(a:group, 'Color_\zs.*'))
return
endif
let hi = printf('hi %s ', a:group)
let fg = get(a:Dict, 'fg', '')
let bg = get(a:Dict, 'bg', '')
let [fg, bg] = s:SwapColors([fg, bg])
let [fg, bg] = s:AddOffset([fg, bg])
if !empty(fg) && fg[0] !=# '#' && fg !=# 'NONE'
let fg='#'.fg
endif
if !empty(bg) && bg[0] !=# '#' && bg !=# 'NONE'
let bg='#'.bg
endif
if !empty(fg)
let hi .= printf('guifg=%s', fg)
endif
if has_key(a:Dict, "gui")
let hi.=printf(" gui=%s ", a:Dict['gui'])
endif
if has_key(a:Dict, "guifg")
let hi.=printf(" guifg=%s ", a:Dict['guifg'])
endif
if !empty(bg)
let hi .= printf(' guibg=%s', bg)
endif
let hi .= printf('%s', !empty(get(a:Dict, 'special', '')) ?
\ (' gui='. a:Dict.special) : '')
if !s:HasGui()
let fg = get(a:Dict, 'ctermfg', '')
let bg = get(a:Dict, 'ctermbg', '')
let [fg, bg] = s:SwapColors([fg, bg])
if !empty(bg) || bg == 0
let hi.= printf(' ctermbg=%s', bg)
endif
if !empty(fg) || fg == 0
let hi.= printf(' ctermfg=%s', fg)
endif
let hi .= printf('%s', !empty(get(a:Dict, 'special','')) ?
\ (' cterm='. a:Dict.special) : '')
if has_key(a:Dict, "term")
let hi.=printf(" term=%s ", a:Dict['term'])
endif
if has_key(a:Dict, "cterm")
let hi.=printf(" cterm=%s ", a:Dict['cterm'])
endif
endif
call s:Exe(hi)
endfunction
function! s:Exe(stmt) "{{{1
"Don't error out for invalid colors
try
exe a:stmt
catch
" Only report errors, when debugging info is turned on
if s:debug
call s:Warn("Invalid statement: ".a:stmt)
endif
endtry
endfu
function! s:SynID(group, ...) "{{{1
let property = exists("a:1") ? a:1 : 'fg'
let c1 = synIDattr(synIDtrans(hlID(a:group)), property)
" since when can c1 be negative? Is this a vim bug?
" it used to be empty on errors or non-existing properties...
if empty(c1) || c1 < 0
return ''
else
return c1
endif
endfu
function! s:GenerateColors(dict) "{{{1
let result=copy(a:dict)
if !has_key(result, 'bg') && has_key(result, 'ctermbg')
let result.bg = s:Term2RGB(result.ctermbg)
elseif !has_key(result, 'bg') && has_key(result, 'guibg')
let result.bg = result.guibg
endif
if !has_key(result, 'fg') && has_key(result, 'ctermfg')
let result.fg = s:Term2RGB(result.ctermfg)
elseif !has_key(result, 'fg') && has_key(result, 'guifg')
let result.fg = result.guifg
endif
if !has_key(result, 'fg') &&
\ has_key(result, 'bg')
let result.fg = toupper(s:FGforBG(result.bg))
endif
if !has("gui_running")
" need to make sure, we have ctermfg/ctermbg values
if !has_key(result, 'ctermfg') &&
\ has_key(result, 'fg')
let result.ctermfg = (s:term_true_color ? result.fg : s:Rgb2xterm(result.fg))
endif
if !has_key(result, 'ctermbg') &&
\ has_key(result, 'bg')
let result.ctermbg = (s:term_true_color ? result.bg : s:Rgb2xterm(result.bg))
endif
endif
for key in keys(result)
if empty(result[key])
let result[key] = 0
endif
endfor
return result
endfunction
function! s:SetMatcher(pattern, Dict) "{{{1
let param = s:GenerateColors(a:Dict)
let clr = get(param, 'name', '')
if empty(clr)
let clr = 'Color_'. get(param, 'fg'). '_'. get(param, 'bg').
\ (!empty(get(param, 'special', '')) ?
\ ('_'. get(param, 'special')) : '')
endif
call s:SetMatch(clr, a:pattern, param)
endfunction
function! s:SetMatch(group, pattern, param_dict) "{{{1
call s:DoHlGroup(a:group, a:param_dict)
if has_key(a:param_dict, 'pos')
call matchaddpos(a:group, a:param_dict.pos, s:default_match_priority)
" do not add the pattern to the matchlist
"call add(w:match_list, a:pattern)
return
endif
if s:DidColor(a:group, a:pattern)
return
endif
" let 'hls' overrule our syntax highlighting
call matchadd(a:group, a:pattern, s:default_match_priority)
call add(w:match_list, a:pattern)
endfunction
function! s:Xterm2rgb16(color) "{{{1
" 16 basic colors
let r=0
let g=0
let b=0
let r = s:basic16[a:color][0]
let g = s:basic16[a:color][1]
let b = s:basic16[a:color][2]
return [ r, g, b ]
endfunction
function! s:Xterm2rgb88(color) "{{{1
" 16 basic colors
let r=0
let g=0
let b=0
if a:color < 16
return s:Xterm2rgb16(a:color)
" 4x4x4 color cube
elseif a:color >= 16 && a:color < 80
let color=a:color-16
let r = s:valuerange4[(color/16)%4]
let g = s:valuerange4[(color/4)%4]
let b = s:valuerange4[color%4]
" gray tone
elseif a:color >= 80 && a:color <= 87
let color = (a:color-80) + 0.0
let r = 46.36363636 + color * 23.18181818 +
\ (color > 0.0 ? 23.18181818 : 0.0) + 0.0
let r = float2nr(r)
let g = r
let b = r
endif
let rgb=[r,g,b]
return rgb
endfunction
function! s:Xterm2rgb256(color) "{{{1
" 16 basic colors
let r=0
let g=0
let b=0
if a:color < 16
return s:Xterm2rgb16(a:color)
" color cube color
elseif a:color >= 16 && a:color < 232
let color=a:color-16
let r = s:valuerange6[(color/36)%6]
let g = s:valuerange6[(color/6)%6]
let b = s:valuerange6[color%6]
" gray tone
elseif a:color >= 232 && a:color <= 255
let r = 8 + (a:color-232) * 0x0a
let g = r
let b = r
endif
let rgb=[r,g,b]
return rgb
endfunction
function! s:RoundColor(...) "{{{1
let result = []
let minlist = []
let min = 1000
let list = (&t_Co == 256 ? s:valuerange6 : s:valuerange4)
if &t_Co > 16
for item in a:000
for val in list
let t = abs(val - item)
if (min > t)
let min = t
let r = val
endif
endfor
call add(result, r)
call add(minlist, min)
let min = 1000
endfor
endif
if &t_Co <= 16
let result = [ a:1, a:2, a:3 ]
let minlist = [ 255, 255, 255 ]
endif
" Check with the values from the 16 color xterm, if the difference
" is lower
let result = s:Check16ColorTerm(result, minlist)
return result
endfunction
function! s:Check16ColorTerm(rgblist, minlist) "{{{1
" We only check those values for 256 color terminals here:
" [205,0,0] [0,205,0] [205,205,0] [205,0,205]
" [0,205,205] [0,0,238] [92,92,255]
" The other values are already included in the s:colortable list
let min = a:minlist[0] + a:minlist[1] + a:minlist[2]
if &t_Co == 256
for value in [[205,0,0], [0,205,0], [205,205,0], [205,0,205],
\ [0,205,205], [0,0,238], [92,92,255]]
" euclidian distance would be needed,
" but this works good enough and is faster.
let t = abs(value[0] - a:rgblist[0]) +
\ abs(value[1] - a:rgblist[1]) +
\ abs(value[2] - a:rgblist[2])
if min > t
return value
endif
endfor
elseif &t_Co == 88
for value in [[0,0,238], [229,229,229], [127,127,127], [92,92,255]]
let t = abs(value[0] - a:rgblist[0]) +
\ abs(value[1] - a:rgblist[1]) +
\ abs(value[2] - a:rgblist[2])
if min > t
return value
endif
endfor
else " 16 color terminal
" Check for values from 16 color terminal
let best = []
let min = 100000
let list = (&t_Co == 16 ? s:basic16 : s:basic16[:7])
for value in list
let t = abs(value[0] - a:rgblist[0]) +
\ abs(value[1] - a:rgblist[1]) +
\ abs(value[2] - a:rgblist[2])
if min > t
let min = t
let best = value
endif
endfor
return best
endif
return a:rgblist
endfunction
function! s:Ansi2Color(chars) "{{{1
" chars look like this
" [0m[01;32m
if !exists("s:term2ansi")
let s:term2ansi = {}
" Color values taken from
" https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
let s:term2ansi.std = { 30: printf("%.2X%.2X%.2X", 0, 0, 0),
\ 31: printf("%.2X%.2X%.2X", 205, 0, 0),
\ 32: printf("%.2X%.2X%.2X", 0, 205, 0),
\ 33: printf("%.2X%.2X%.2X", 205, 205, 0),
\ 34: printf("%.2X%.2X%.2X", 0, 0, 238),
\ 35: printf("%.2X%.2X%.2X", 205, 0, 205),
\ 36: printf("%.2X%.2X%.2X", 0, 205, 205),
\ 37: printf("%.2X%.2X%.2X", 229, 229, 229)
\ }
let s:term2ansi.bold = { 30: printf("%.2X%.2X%.2X", 127, 127, 127),
\ 31: printf("%.2X%.2X%.2X", 255, 0, 0),
\ 32: printf("%.2X%.2X%.2X", 0, 255, 0),
\ 33: printf("%.2X%.2X%.2X", 255, 255, 0),
\ 34: printf("%.2X%.2X%.2X", 92, 92, 255),
\ 35: printf("%.2X%.2X%.2X", 255, 0, 255),
\ 36: printf("%.2X%.2X%.2X", 0, 255, 255),
\ 37: printf("%.2X%.2X%.2X", 255, 255, 255)
\ }
endif
let fground = ""
let bground = ""
let check = [0,0] " check fground and bground color
if a:chars =~ '48;5;\d\+'
let check[0] = 0
elseif a:chars=~ '.*3[0-7]\(;1\)\?[m;]'
let check[0] = 1
elseif a:chars =~ '.*38\([:;]\)2\1'
let check[0] = 2 " Uses True Color Support
endif
if a:chars =~ '48;5;\d\+'
let check[1] = 3
elseif a:chars =~ '.*48\([:;]\)2\1'
let check[1] = 2
elseif a:chars=~ '.*4[0-7]\(;1\)\?[m;]'
let check[1] = 1
endif
if check[0] == 2
" Check for TrueColor Support
" Esc[38;2;<red>;<green>;<blue>
" 38: background color
" 48: foregournd color
" delimiter could be either : or ;
" skip leading ESC [ and trailing m char
let pat = split(a:chars[2:-2], '[:;]')
if pat[0] == 38 " background color
let fground = printf("%.2X%.2X%.2X", pat[2], pat[3], pat[4])
elseif a:pat[1] == 48 " foreground color
let bground = printf("%.2X%.2X%.2X", pat[2], pat[3], pat[4])
endif
elseif check[1] == 3
let nr = matchstr(a:chars, '\%x1b\[48;5;\zs\d\+\zem')
let bground = s:Term2RGB(nr)
else
for val in ["std", "bold"]
for key in keys(s:term2ansi[val])
let bright = (val == "std" ? "" : ";1")
if check[0] " Check for a match of the foreground color
if a:chars =~ ".*".key.bright."[m;]"
let fground = s:term2ansi[val][key]
endif
endif
if check[1] "Check for background color
if a:chars =~ ".*".(key+10).bright."[m;]"
let bground = s:term2ansi[val][key]
endif
endif
if !empty(bground) && !empty(fground)
break
endif
endfor
if !empty(fground) && !empty(bground)
break
endif
endfor
endif
return [(empty(fground) ? 'NONE' : fground), (empty(bground) ? "NONE" : bground)]
endfunction
function! s:TermConceal(pattern) "{{{1
" Conceals a list of patterns
if exists("b:Colorizer_did_syntax")
return
endif
let s:position = getpos('.')
" concealing
for pat in a:pattern
exe "syn match ColorTermESC /". pat. "/ conceal containedin=ALL"
endfor
setl cocu=nv cole=2
let b:Colorizer_did_syntax=1
endfu
function! s:GetColorPattern(list) "{{{1
"let list = map(copy(a:list), ' ''\%(-\@<!\<'' . v:val . ''\>-\@!\)'' ')
"let list = map(copy(a:list), ' ''\%(-\@<!\<'' . v:val . ''\>-\@!\)'' ')
let list = copy(a:list)
" Force the old re engine. It should be faster without backtracking.
return '\%#=1\%(\<\('.join(copy(a:list), '\|').'\)\>\)'
endfunction
function! s:GetMatchList() "{{{1
" this is window-local!
return filter(getmatches(), 'v:val.group =~ ''^\(Color_\w\+\)\|NONE''')
endfunction
function! s:CheckTimeout(pattern, force) "{{{1
" Abort, if pattern is not found within 100 ms and force
" is not set
return (!empty(a:force) || search(a:pattern, 'cnw', '', 100))
endfunction
function! s:SaveRestoreOptions(save, dict, list) "{{{1
if a:save
return s:SaveOptions(a:list)
else
for [key, value] in items(a:dict)
if key !~ '@'
call setbufvar('', '&'. key, value)
else
call call('setreg', [key[1]] + value)
endif
unlet value
endfor
endif
endfun
function! s:SaveOptions(list) "{{{1
let save = {}
for item in a:list
if item !~ '^@'
exe "let save.". item. " = &l:". item
else
let save[item] = []
call add(save[item], getreg(item[1]))
call add(save[item], getregtype(item))
endif
if item == 'ma' && !&l:ma
setl ma
elseif item == 'ro' && &l:ro
setl noro
elseif item == 'lz' && &l:lz
setl lz
elseif item == 'ed' && &g:ed
setl noed
elseif item == 'gd' && &g:gd
setl nogd
endif
endfor
return save
endfunction
function! s:StripParentheses(val) "{{{1
return split(matchstr(a:val, '^\(hsl\|rgb\)a\?\s*(\zs[^)]*\ze)'), '\s*,\s*')
endfunction
function! s:ApplyAlphaValue(rgb) "{{{1
" Add Alpha Value to RGB values
" takes a list of [ rr, gg, bb, aa] values
" alpha can be 0-1
let bg = <sid>SynID('Normal', 'bg')
if empty(bg)
return a:rgb[0:3]
else
if (bg =~? '\d\{1,3}') && bg < 256
" Xterm color code
" (add dummy in front of it, will be split later)
let bg = '#'.join(s:colortable[bg])
endif
let rgb = []
let bg_ = split(bg[1:], '..\zs')
let alpha = str2float(a:rgb[3])
if alpha > 1
let alpha = 1 + 0.0
elseif alpha < 0
let alpha = 0 + 0.0
endif
let i = 0
for value in a:rgb[0:2]
let value += 0 " convert to nr
let value = float2nr(ceil(value * alpha) + ceil((bg_[i]+0)*(1-alpha)))
if value > 255
let value = 255
elseif value < 0
let value = 0
endif
call add(rgb, value)
let i+=1
unlet value " reset type of value
endfor
return rgb
endif
endfunction
function! s:HSL2RGB(h, s, l, ...) "{{{1
let s = a:s + 0.0
let l = a:l + 0.0
if l <= 0.5
let m2 = l * (s + 1)
else
let m2 = l + s - l * s
endif
let m1 = l * 2 - m2
let r = float2nr(s:Hue2RGB(m1, m2, a:h + 120))
let g = float2nr(s:Hue2RGB(m1, m2, a:h))
let b = float2nr(s:Hue2RGB(m1, m2, a:h - 120))
if a:0
let rgb = s:ApplyAlphaValue([r, g, b, a:1])
endif
return printf("%02X%02X%02X", r, g, b)
endfunction
function! s:Hue2RGB(m1, m2, h) "{{{1
let h = (a:h + 0.0)/360
if h < 0
let h = h + 1
elseif h > 1
let h = h - 1
endif
if h * 6 < 1
let res = a:m1 + (a:m2 - a:m1) * h * 6
elseif h * 2 < 1
let res = a:m2
elseif h * 3 < 2
let res = a:m1 + (a:m2 - a:m1) * (2.0/3.0 - h) * 6
else
let res = a:m1
endif
return round(res * 255)
endfunction
function! s:Rgb2xterm(color) "{{{1
" selects the nearest xterm color for a rgb value like #FF0000
" hard code values for 000000 and FFFFFF, they will be called many times
" so make this fast
if a:color ==# 'NONE'
return 'NONE'
endif
if len(a:color) <= 3
" a:color is already a terminal color
return a:color
endif
if !exists("s:colortable")
call s:ColorInit('')
endif
let color = (a:color[0] == '#' ? a:color[1:] : a:color)
if ( color == '000000')
return 0
elseif (color == 'FFFFFF')
return 15
else
let r = '0x'.color[0:1]+0
let g = '0x'.color[2:3]+0
let b = '0x'.color[4:5]+0
" Try exact match first
let i = index(s:colortable, [r, g, b])
if i > -1
return i
endif
" Grey scale ?
if ( r == g && r == b )
if &t_Co == 256
" 0 and 15 have already been take care of
if r < 5
return 0 " black
elseif r > 244
return 15 " white
endif
" grey cube starts at index 232
return 232+(r-5)/10
elseif &t_Co == 88
if r < 23
return 0 " black
elseif r < 69
return 80
elseif r > 250
return 15 " white
else
" should be good enough
return 80 + (r-69)/23
endif
endif
endif
" Round to the next step in the xterm color cube
" euclidian distance would be needed,
" but this works good enough and is faster.
let round = s:RoundColor(r, g, b)
" Return closest match or -1 if not found
return index(s:colortable, round)
endif
endfunction
function! s:Warn(msg) "{{{1
let msg = 'Colorizer: '. a:msg
echohl WarningMsg
echomsg msg
echohl None
let v:errmsg = msg
endfu
function! s:LoadSyntax(file) "{{{1
unlet! b:current_syntax
exe "sil! ru! syntax/".a:file. ".vim"
endfu
function! s:HasGui() "{{{1
return has("gui_running") || (exists("+tgc") && &tgc)
endfu
function! s:HasColorPattern() "{{{1
let _pos = winsaveview()
try
if !exists("s:colornamepattern")
let s:colornamepattern = s:GetColorPattern(keys(s:colors))
endif
let pattern = values(s:color_patterns) + [s:colornamepattern]
call cursor(1,1)
for pat in pattern
if s:CheckTimeout(pat, '')
return 1
endif
endfor
return 0
finally
call winrestview(_pos)
endtry
endfunction
function! s:PrepareHSLArgs(list) "{{{1
let hsl=a:list
let hsl[0] = (matchstr(hsl[0], '\d\+') + 360)%360
let hsl[1] = (matchstr(hsl[1], '\d\+') + 0.0)/100
let hsl[2] = (matchstr(hsl[2], '\d\+') + 0.0)/100
if len(hsl) == 4
return s:HSL2RGB(hsl[0], hsl[1], hsl[2], hsl[3])
endif
return s:HSL2RGB(hsl[0], hsl[1], hsl[2])
endfu
function! s:SyntaxMatcher(enable) "{{{1
if !a:enable
return
endif
let did_clean = {}
"
let list=s:GetMatchList()
if len(list) > 1000
" This will probably slow
call s:Warn("Colorizer many colors detected, syntax highlighting will probably slow down Vim considerably!")
endif
if &ft =~? 'css'
" cssColor defines some color names like yellow or red and overrules
" our colors
sil! syn clear cssColor
endif
for hi in list
if !get(did_clean, hi.group, 0)
let did_clean[hi.group] = 1
exe "sil! syn clear" hi.group
endif
if a:enable
if has_key(hi, 'pattern')
exe "syn match" hi.group "excludenl /". escape(hi.pattern, '/'). "/ display containedin=ALL"
else
" matchaddpos()
let line=hi.pos1[0]
let pos =hi.pos1[1]-1
let len =hi.pos1[1]+hi.pos1[2]-2
exe printf('syn match %s excludenl /\%%%dl\%%>%dc\&.*\%%<%dc/ display containedin=ALL', hi.group, line, pos, len)
endif
" We have syntax highlighting, can clear the matching
" ignore errors (just in case)
sil! call matchdelete(hi.id)
endif
endfor
endfu
function! Colorizer#ColorToggle() "{{{1
if !exists("w:match_list") || empty(w:match_list)
call Colorizer#DoColor(0, 1, line('$'))
else
call Colorizer#ColorOff()
endif
endfu
function! Colorizer#ColorOff() "{{{1
for _match in s:GetMatchList()
sil! call matchdelete(_match.id)
endfor
call Colorizer#LocalFTAutoCmds(0)
if exists("s:conceal")
let [&l:cole, &l:cocu] = s:conceal
if !empty(hlID('ColorTermESC'))
syn clear ColorTermESC
endif
endif
unlet! b:Colorizer_did_syntax w:match_list s:conceal
endfu
function! Colorizer#DoColor(force, line1, line2, ...) "{{{1
" initialize plugin
try
if v:version < 800
call s:Warn("Colorizer needs Vim 8.0")
return
endif
call s:ColorInit(a:force)
if exists("a:1") && !empty(a:1)
let s:color_syntax = ( a:1 =~# '^\%(syntax\|nomatch\)$' )
endif
catch /nocolor/
" nothing to do
call s:Warn("Your terminal doesn't support colors or no colors".
\ 'found in the current buffer!')
return
endtry
let error = ""
let _a = winsaveview()
let save = s:SaveRestoreOptions(1, {},
\ ['mod', 'ro', 'ma', 'lz', 'ed', 'gd', '@/'])
let s:relstart = s:Reltime()
" highlight Hex Codes:
"
" The :%s command is a lot faster than this:
":g/#\x\{3,6}\>/call s:ColorMatchingLines(line('.'))
" Should color #FF0000
" #F0F
" #FFF
"
if &t_Co > 16 || s:HasGui()
" Also support something like
" CSS rgb(255,0,0)
" rgba(255,0,0,1)
" rgba(255,0,0,0.8)
" rgba(255,0,0,0.2)
" rgb(10%,0,100%)
" hsl(0,100%,50%) -> hsl2rgb conversion RED
" hsla(120,100%,50%,1) Lime
" hsl(120,100%,25%) Darkgreen
" hsl(120, 100%, 75%) lightgreen
" hsl(120, 75%, 75%) pastelgreen
" highlight rgb(X,X,X) values
for Pat in values(s:color_patterns)
let start = s:Reltime()
if !get(g:, Pat[2], 1) || (get(g:, Pat[2]. '_disable', 0) > 0)
let Pat[4] = s:Reltime(start)
" Coloring disabled
continue
endif
" 4th element in pattern is condition, that must be fullfilled,
" before we continue
if !empty(Pat[3]) && !eval(Pat[3])
let Pat[4] = s:Reltime(start)
continue
endif
" Check, the pattern isn't too costly...
if s:CheckTimeout(Pat[0], a:force) && !s:IsInComment()
let cmd = printf(':sil keeppatterns %d,%d%ss/%s/\=call(Pat[1], [submatch(0)])/egin',
\ a:line1, a:line2, s:color_unfolded, Pat[0])
try
if Pat[2] ==# 'colorizer_vimhighlight' && !empty(bufname(''))
" try to load the corresponding syntax file so the syntax
" groups will be defined
let s:extension = fnamemodify(expand('%'), ':t:r')
let s:old_syntax = exists("b:current_syntax") ? b:current_syntax : ''
call s:LoadSyntax(s:extension)
endif
exe cmd
let Pat[4] = s:Reltime(start)
if s:stop
break
endif
catch
" some error occured, stop when finished (and don't setup auto
" comands
let error.=" Colorize: ". string(Pat)
break
finally
if exists("s:extension")
call s:LoadSyntax(&ft)
unlet! s:extension
endif
endtry
endif
endfor
else
call s:Warn('Color configuration seems wrong, skipping colorization! Check t_Co setting!')
endif
for Pat in [ s:color_patterns_special.term, s:color_patterns_special.term_nroff ]
let start = s:Reltime()
if (s:CheckTimeout(Pat[0], a:force)) && !s:IsInComment()
if !get(g:, Pat[2], 1) || (get(s:, Pat[2]. '_disable', 0) > 0)
" Coloring disabled
continue
endif
if Pat[2] is# 'colorizer_nroff'
let arg = '[submatch(0)]'
else
let arg = '[submatch(1), submatch(2), submatch(3)]'
endif
let cmd = printf(':sil keeppatterns %d,%d%ss/%s/\=call(Pat[1],%s)/egin',
\ a:line1, a:line2, s:color_unfolded, Pat[0], arg)
try
exe cmd
let Pat[3] = s:Reltime(start)
" Hide ESC Terminal Chars
let start = s:Reltime()
call s:TermConceal(s:color_patterns_special.term_conceal[0])
let s:color_patterns_special.term_conceal[3] = s:Reltime(start)
catch
" some error occured, stop when finished (and don't setup auto
" comands
let error=" ColorTerm "
break
endtry
endif
endfor
" convert matches into synatx highlighting, so TOhtml can display it
" correctly
call s:SyntaxMatcher(s:color_syntax)
if !exists("#FTColorizer#BufWinEnter#<buffer>") && empty(error)
" Initialise current window.
call Colorizer#LocalFTAutoCmds(1)
call Colorizer#ColorWinEnter(1, 1) " don't call DoColor recursively!
endif
let s:relstop = s:Reltime(s:relstart)
if !empty(error)
" Some error occured, stop trying to color the file
call Colorizer#ColorOff()
call s:Warn("Some error occured here: ". error)
if exists("s:position")
call s:Warn("Position: ". string(s:position))
call matchadd('Color_Error', '\%'.s:position[1].'l\%'.s:position[2].'c.*\>')
endif
endif
call s:PrintColorStatistics()
call s:SaveRestoreOptions(0, save, [])
call winrestview(_a)
endfu
function! Colorizer#RGB2Term(arg,bang) "{{{1
if a:arg =~ '^rgb'
let clr = s:StripParentheses(a:arg)
let color = printf("#%02X%02X%02X", clr[0], clr[1], clr[2])
else
let color = a:arg[0] == '#' ? a:arg : '#'.a:arg
endif
call s:ColorInit(1)
let tcolor = s:Rgb2xterm(color)
if empty(a:bang)
call s:DoHlGroup("Color_". color[1:], s:GenerateColors({'bg': color[1:]}))
exe "echohl" "Color_".color[1:]
echo a:arg. " => ". tcolor
echohl None
endif
return tcolor
endfu
function! Colorizer#Term2RGB(arg) "{{{1
let index = a:arg + 0
if a:arg > 255 || a:arg < 0
call s:Warn('invalid index')
return
endif
let _t_Co=&t_Co
let &t_Co = 256
call s:ColorInit(1)
let rgb = s:Term2RGB(index)
call s:DoHlGroup("Color_". rgb, s:GenerateColors({'bg': rgb, 'ctermbg': index}))
exe "echohl" "Color_".rgb
echo "TerminalColor: ". a:arg. " => ". rgb
echohl None
let &t_Co = _t_Co
endfu
function! Colorizer#HSL2Term(arg) "{{{1
let hsl = s:StripParentheses(a:arg)
if empty(hsl)
call s:Warn("Error evaluating expression". a:val. "! Please report as bug.")
return a:val
endif
let str = s:PrepareHSLArgs(hsl)
let tcolor = s:Rgb2xterm('#'.str)
call s:DoHlGroup("Color_".str, s:GenerateColors({'bg': str}))
exe "echohl" str
echo a:arg. " => ". tcolor
echohl None
endfu
function! Colorizer#AutoCmds(enable) "{{{1
if a:enable && !get(g:, 'colorizer_debug', 0)
aug Colorizer
au!
au InsertLeave * sil call Colorizer#ColorLine('!', line('w0'), line('w$'))
au TextChangedI * sil call Colorizer#ColorLine('', line('.'),line('.'))
au GUIEnter,ColorScheme * sil call Colorizer#DoColor('!', 1, line('$'))
au WinEnter,BufWinEnter * sil call Colorizer#ColorWinEnter()
aug END
else
aug Colorizer
au!
aug END
aug! Colorizer
endif
endfu
function! Colorizer#LocalFTAutoCmds(enable) "{{{1
if a:enable
aug FTColorizer
au!
au InsertLeave <buffer> silent call
\ Colorizer#ColorLine('', line('w0'), line('w$'))
au CursorMoved,CursorMovedI <buffer> call Colorizer#ColorLine('',line('.'), line('.'))
au WinEnter,BufWinEnter <buffer> silent call Colorizer#ColorWinEnter()
"au BufLeave <buffer> call Colorizer#ColorOff()
au GUIEnter,ColorScheme <buffer> silent
\ call Colorizer#DoColor('!', 1, line('$'))
if get(g:, 'colorizer_cursormoved', 0)
au CursorMoved,CursorMovedI * call Colorizer#ColorLine('', line('.'),line('.'))
au CusorHold, CursorHoldI * silent call Colorizer#ColorLine('!', line('w0'), line('w$'))
endif
aug END
if !exists("b:undo_ftplugin")
" simply unlet a dummy variable
let b:undo_ftplugin = 'unlet! b:Colorizer_foobar'
endif
" Delete specific auto commands, because the filetype
" has been changed.
let b:undo_ftplugin .= '| exe "sil! au! FTColorizer"'
let b:undo_ftplugin .= '| exe "sil! aug! FTColorizer"'
let b:undo_ftplugin .= '| exe ":ColorClear"'
else
aug FTColorizer
au!
aug END
aug! FTColorizer
endif
endfu
function! Colorizer#ColorWinEnter(...) "{{{1
let force = a:0 ? a:1 : 0
" be fast!
if !force
let ft_list = split(get(g:, "colorizer_auto_filetype", ""), ',')
if match(ft_list, "^".&ft."$") == -1
" current filetype doesn't match g:colorizer_auto_filetype,
" so nothing to do
return
endif
if get(b:, 'Colorizer_changedtick', 0) == b:changedtick &&
\ !empty(getmatches())
" nothing to do
return
endif
endif
let g:colorizer_only_unfolded = 1
let _c = getpos('.')
if !exists("a:2")
" don't call it recursively!
call Colorizer#DoColor('', 1, line('$'))
endif
let b:Colorizer_changedtick = b:changedtick
unlet! g:colorizer_only_unfolded
call setpos('.', _c)
endfu
function! Colorizer#ColorLine(force, start, end) "{{{1
if get(b:, 'Colorizer_changedtick', 0) == b:changedtick && empty(a:force)
" nothing to do
return
else
call Colorizer#DoColor(a:force, a:start, a:end)
let b:Colorizer_changedtick = b:changedtick
endif
endfu
function! Colorizer#SwitchContrast() "{{{1
if exists("s:swap_fg_bg") && s:swap_fg_bg
call s:Warn('Contrast Adjustment does not work with swapped foreground colors!')
return
endif
if !exists("s:predefined_fgcolors")
" init variables
call s:ColorInit('')
endif
" make sure, g:colorizer_fgcontrast is set up
if !exists('g:colorizer_fgcontrast')
" Default to black / white
let g:colorizer_fgcontrast = len(s:predefined_fgcolors['dark']) - 1
endif
let g:colorizer_fgcontrast-=1
if g:colorizer_fgcontrast < -1
let g:colorizer_fgcontrast = len(s:predefined_fgcolors['dark']) - 1
endif
echom 'Colorizer: using fgcontrast' g:colorizer_fgcontrast
call Colorizer#DoColor(1, 1, line('$'))
endfu
function! Colorizer#SwitchFGBG() "{{{1
let range = [ 0, 1, -1 ]
if !exists("s:round")
let s:round = 0
else
let s:round = (s:round >= 2 ? 0 : s:round+1)
endif
let s:swap_fg_bg = range[s:round]
call Colorizer#DoColor(1, 1, line('$'))
endfu
" DEBUG TEST "{{{1
if !get(g:, 'colorizer_debug', 0)
let &cpo = s:cpo_save
unlet s:cpo_save
finish
endif
fu! ColorizerXtermColors() "{{{2
let list=[]
for c in range(0, 254)
let css_color = s:Xterm2rgb256(c)
call add(list, css_color)
endfor
return list
endfu
fu! ColorizerGet(args) "{{{2
exe "return s:".a:args
endfu
" Plugin folklore and Vim Modeline " {{{1
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: set foldmethod=marker et fdl=0:
|