/bundle/vim-css-color/after/syntax/css.vim
Vim Script | 397 lines | 341 code | 34 blank | 22 comment | 43 complexity | 135661e21ea6f1e4a114b1c935a673a6 MD5 | raw file
- " Language: Colored CSS Color Preview
- " Author: Max Vasiliev <vim@skammer.name>
- " Last Change: 2010 Jul 3
- " Licence: No Warranties. WTFPL. But please tell me!
- " Version: 0.7.1
- function! s:StrLen(str)
- return strlen(substitute(a:str, '.', 'x', 'g'))
- endfunction
- function! s:FGforBG(bg)
- " takes a 6hex color code and returns a matching color that is visible
- let pure = substitute(a:bg,'^#','','')
- let r = eval('0x'.pure[0].pure[1])
- let g = eval('0x'.pure[2].pure[3])
- let b = eval('0x'.pure[4].pure[5])
- if r*30 + g*59 + b*11 > 12000
- return '#000000'
- else
- return '#ffffff'
- end
- endfunction
- function! s:SetMatcher(clr,pat)
- let group = 'cssColor'.substitute(a:clr,'^#','','')
- redir => s:currentmatch
- silent! exe 'syn list '.group
- redir END
- if s:currentmatch !~ a:pat.'\/'
- exe 'syn match '.group.' /'.a:pat.'/ contained'
- exe 'syn cluster cssColors add='.group
- if has('gui_running')
- exe 'hi '.group.' guifg='.s:FGforBG(a:clr)
- exe 'hi '.group.' guibg='.a:clr
- elseif &t_Co == 256
- exe 'hi '.group.' ctermfg='.s:Rgb2xterm(s:FGforBG(a:clr))
- exe 'hi '.group.' ctermbg='.s:Rgb2xterm(a:clr)
- endif
- return 1
- else
- return 0
- endif
- endfunction
- "" the 6 value iterations in the xterm color cube
- let s:valuerange = [ 0x00, 0x5F, 0x87, 0xAF, 0xD7, 0xFF ]
- "
- "" 16 basic colors
- 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 ] ]
- :
- function! s:Xterm2rgb(color)
- " 16 basic colors
- let r=0
- let g=0
- let b=0
- if a:color<16
- let r = s:basic16[a:color][0]
- let g = s:basic16[a:color][1]
- let b = s:basic16[a:color][2]
- endif
- " color cube color
- if a:color>=16 && a:color<=232
- let color=a:color-16
- let r = s:valuerange[(color/36)%6]
- let g = s:valuerange[(color/6)%6]
- let b = s:valuerange[color%6]
- endif
- " gray tone
- if a:color>=233 && a:color<=253
- let r=8+(a:color-232)*0x0a
- let g=r
- let b=r
- endif
- let rgb=[r,g,b]
- return rgb
- endfunction
- function! s:pow(x, n)
- let x = a:x
- for i in range(a:n-1)
- let x = x*a:x
- return x
- endfunction
- let s:colortable=[]
- for c in range(0, 254)
- let color = s:Xterm2rgb(c)
- call add(s:colortable, color)
- endfor
- " selects the nearest xterm color for a rgb value like #FF0000
- function! s:Rgb2xterm(color)
- let best_match=0
- let smallest_distance = 10000000000
- let r = eval('0x'.a:color[1].a:color[2])
- let g = eval('0x'.a:color[3].a:color[4])
- let b = eval('0x'.a:color[5].a:color[6])
- for c in range(0,254)
- let d = s:pow(s:colortable[c][0]-r,2) + s:pow(s:colortable[c][1]-g,2) + s:pow(s:colortable[c][2]-b,2)
- if d<smallest_distance
- let smallest_distance = d
- let best_match = c
- endif
- endfor
- return best_match
- endfunction
- function! s:SetNamedColor(clr,name)
- let group = 'cssColor'.substitute(a:clr,'^#','','')
- exe 'syn keyword '.group.' '.a:name.' contained'
- exe 'syn cluster cssColors add='.group
- if has('gui_running')
- exe 'hi '.group.' guifg='.s:FGforBG(a:clr)
- exe 'hi '.group.' guibg='.a:clr
- elseif &t_Co == 256
- exe 'hi '.group.' ctermfg='.s:Rgb2xterm(s:FGforBG(a:clr))
- exe 'hi '.group.' ctermbg='.s:Rgb2xterm(a:clr)
- endif
- return 23
- endfunction
- " shamelessly stolen from ConvertBase.vim
- " http://www.vim.org/scripts/script.php?script_id=54
- function! s:ConvertToBase(int, base)
- if (a:base < 2 || a:base > 36)
- echohl ErrorMsg
- echo "Bad base - must be between 2 and 36."
- echohl None
- return ''
- endif
- if (a:int == 0)
- return 0
- endif
- let out=''
- let isnegative = 0
- let int=a:int
- if (int < 0)
- let isnegative = 1
- let int = - int
- endif
- while (int != 0)
- let out = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[(int % a:base)] . out
- let int = int / a:base
- endwhile
- if isnegative
- let out = '-' . out
- endif
- return out
- endfunction
- " Convert 80% -> 204, 100% -> 255, etc.
- " This piece of code was ported from lisp.
- " http://julien.danjou.info/rainbow-mode.html
- fun! s:RGBRelativeToAbsolute(value)
- let string_length = s:StrLen(a:value)-1
- if strpart(a:value, string_length, 1) == '%'
- let hex_value = s:ConvertToBase( 255*strpart(a:value, 0, string_length)/100, 16 )
- if len(hex_value) == 1
- return "0".hex_value
- endif
- return hex_value
- else
- let hex_value = s:ConvertToBase( a:value, 16 )
- if len( hex_value ) == 1
- return "0".hex_value
- else
- return hex_value
- endif
- endif
- endf
- function! s:PreviewCSSColorInLine(where)
- " TODO use cssColor matchdata
- let n = 1
- let foundcolor = matchstr( getline(a:where), '#[0-9A-Fa-f]\{3,6\}\>' )
- while foundcolor != ''
- if foundcolor =~ '#\x\{6}$'
- let color = foundcolor
- elseif foundcolor =~ '#\x\{3}$'
- let color = substitute(foundcolor, '\(\x\)\(\x\)\(\x\)', '\1\1\2\2\3\3', '')
- else
- let color = ''
- endif
- if color != ''
- call s:SetMatcher(color,foundcolor)
- endif
- let n+=1
- let foundcolor = matchstr( getline(a:where), '#[0-9A-Fa-f]\{3,6}', 0, n )
- endwhile
- let n = 1
- let foundcolorlist = matchlist( getline(a:where), 'rgb[a]\=(\(\d\{1,3}\s*%\=\),\s*\(\d\{1,3}\s*%\=\),\s*\(\d\{1,3}\s*%\=\).\{-})', 0, n )
- while len(foundcolorlist) != 0
- let foundcolorlist[1] = s:RGBRelativeToAbsolute( foundcolorlist[1] )
- let foundcolorlist[2] = s:RGBRelativeToAbsolute( foundcolorlist[2] )
- let foundcolorlist[3] = s:RGBRelativeToAbsolute( foundcolorlist[3] )
- let color = "#".join( foundcolorlist[1:3], "" )
- call s:SetMatcher( color, foundcolorlist[0] )
- let n+=1
- let foundcolorlist = matchlist( getline(a:where), 'rgb[a]\=(\(\d\{1,3}\s*%\=\),\s*\(\d\{1,3}\s*%\=\),\s*\(\d\{1,3}\s*%\=\).\{-})', 0, n )
- endw
- return 0
- endfunction
- if has("gui_running") || &t_Co==256
- " HACK modify cssDefinition to add @cssColors to its contains
- redir => s:olddef
- silent! syn list cssDefinition
- redir END
- if s:olddef != ''
- let s:b = strridx(s:olddef,'matchgroup')
- if s:b != -1
- exe 'syn region cssDefinition '.strpart(s:olddef,s:b).',@cssColors'
- endif
- endif
- " w3c Colors
- let i = s:SetNamedColor('#800000', 'maroon')
- let i = s:SetNamedColor('#ff0000', 'red')
- let i = s:SetNamedColor('#ffA500', 'orange')
- let i = s:SetNamedColor('#ffff00', 'yellow')
- let i = s:SetNamedColor('#808000', 'olive')
- let i = s:SetNamedColor('#800080', 'purple')
- let i = s:SetNamedColor('#ff00ff', 'fuchsia')
- let i = s:SetNamedColor('#ffffff', 'white')
- let i = s:SetNamedColor('#00ff00', 'lime')
- let i = s:SetNamedColor('#008000', 'green')
- let i = s:SetNamedColor('#000080', 'navy')
- let i = s:SetNamedColor('#0000ff', 'blue')
- let i = s:SetNamedColor('#00ffff', 'aqua')
- let i = s:SetNamedColor('#008080', 'teal')
- let i = s:SetNamedColor('#000000', 'black')
- let i = s:SetNamedColor('#c0c0c0', 'silver')
- let i = s:SetNamedColor('#808080', 'gray')
- " extra colors
- let i = s:SetNamedColor('#F0F8FF','AliceBlue')
- let i = s:SetNamedColor('#FAEBD7','AntiqueWhite')
- let i = s:SetNamedColor('#7FFFD4','Aquamarine')
- let i = s:SetNamedColor('#F0FFFF','Azure')
- let i = s:SetNamedColor('#F5F5DC','Beige')
- let i = s:SetNamedColor('#FFE4C4','Bisque')
- let i = s:SetNamedColor('#FFEBCD','BlanchedAlmond')
- let i = s:SetNamedColor('#8A2BE2','BlueViolet')
- let i = s:SetNamedColor('#A52A2A','Brown')
- let i = s:SetNamedColor('#DEB887','BurlyWood')
- let i = s:SetNamedColor('#5F9EA0','CadetBlue')
- let i = s:SetNamedColor('#7FFF00','Chartreuse')
- let i = s:SetNamedColor('#D2691E','Chocolate')
- let i = s:SetNamedColor('#FF7F50','Coral')
- let i = s:SetNamedColor('#6495ED','CornflowerBlue')
- let i = s:SetNamedColor('#FFF8DC','Cornsilk')
- let i = s:SetNamedColor('#DC143C','Crimson')
- let i = s:SetNamedColor('#00FFFF','Cyan')
- let i = s:SetNamedColor('#00008B','DarkBlue')
- let i = s:SetNamedColor('#008B8B','DarkCyan')
- let i = s:SetNamedColor('#B8860B','DarkGoldenRod')
- let i = s:SetNamedColor('#A9A9A9','DarkGray')
- let i = s:SetNamedColor('#A9A9A9','DarkGrey')
- let i = s:SetNamedColor('#006400','DarkGreen')
- let i = s:SetNamedColor('#BDB76B','DarkKhaki')
- let i = s:SetNamedColor('#8B008B','DarkMagenta')
- let i = s:SetNamedColor('#556B2F','DarkOliveGreen')
- let i = s:SetNamedColor('#FF8C00','Darkorange')
- let i = s:SetNamedColor('#9932CC','DarkOrchid')
- let i = s:SetNamedColor('#8B0000','DarkRed')
- let i = s:SetNamedColor('#E9967A','DarkSalmon')
- let i = s:SetNamedColor('#8FBC8F','DarkSeaGreen')
- let i = s:SetNamedColor('#483D8B','DarkSlateBlue')
- let i = s:SetNamedColor('#2F4F4F','DarkSlateGray')
- let i = s:SetNamedColor('#2F4F4F','DarkSlateGrey')
- let i = s:SetNamedColor('#00CED1','DarkTurquoise')
- let i = s:SetNamedColor('#9400D3','DarkViolet')
- let i = s:SetNamedColor('#FF1493','DeepPink')
- let i = s:SetNamedColor('#00BFFF','DeepSkyBlue')
- let i = s:SetNamedColor('#696969','DimGray')
- let i = s:SetNamedColor('#696969','DimGrey')
- let i = s:SetNamedColor('#1E90FF','DodgerBlue')
- let i = s:SetNamedColor('#B22222','FireBrick')
- let i = s:SetNamedColor('#FFFAF0','FloralWhite')
- let i = s:SetNamedColor('#228B22','ForestGreen')
- let i = s:SetNamedColor('#DCDCDC','Gainsboro')
- let i = s:SetNamedColor('#F8F8FF','GhostWhite')
- let i = s:SetNamedColor('#FFD700','Gold')
- let i = s:SetNamedColor('#DAA520','GoldenRod')
- let i = s:SetNamedColor('#808080','Grey')
- let i = s:SetNamedColor('#ADFF2F','GreenYellow')
- let i = s:SetNamedColor('#F0FFF0','HoneyDew')
- let i = s:SetNamedColor('#FF69B4','HotPink')
- let i = s:SetNamedColor('#CD5C5C','IndianRed')
- let i = s:SetNamedColor('#4B0082','Indigo')
- let i = s:SetNamedColor('#FFFFF0','Ivory')
- let i = s:SetNamedColor('#F0E68C','Khaki')
- let i = s:SetNamedColor('#E6E6FA','Lavender')
- let i = s:SetNamedColor('#FFF0F5','LavenderBlush')
- let i = s:SetNamedColor('#7CFC00','LawnGreen')
- let i = s:SetNamedColor('#FFFACD','LemonChiffon')
- let i = s:SetNamedColor('#ADD8E6','LightBlue')
- let i = s:SetNamedColor('#F08080','LightCoral')
- let i = s:SetNamedColor('#E0FFFF','LightCyan')
- let i = s:SetNamedColor('#FAFAD2','LightGoldenRodYellow')
- let i = s:SetNamedColor('#D3D3D3','LightGray')
- let i = s:SetNamedColor('#D3D3D3','LightGrey')
- let i = s:SetNamedColor('#90EE90','LightGreen')
- let i = s:SetNamedColor('#FFB6C1','LightPink')
- let i = s:SetNamedColor('#FFA07A','LightSalmon')
- let i = s:SetNamedColor('#20B2AA','LightSeaGreen')
- let i = s:SetNamedColor('#87CEFA','LightSkyBlue')
- let i = s:SetNamedColor('#778899','LightSlateGray')
- let i = s:SetNamedColor('#778899','LightSlateGrey')
- let i = s:SetNamedColor('#B0C4DE','LightSteelBlue')
- let i = s:SetNamedColor('#FFFFE0','LightYellow')
- let i = s:SetNamedColor('#32CD32','LimeGreen')
- let i = s:SetNamedColor('#FAF0E6','Linen')
- let i = s:SetNamedColor('#FF00FF','Magenta')
- let i = s:SetNamedColor('#66CDAA','MediumAquaMarine')
- let i = s:SetNamedColor('#0000CD','MediumBlue')
- let i = s:SetNamedColor('#BA55D3','MediumOrchid')
- let i = s:SetNamedColor('#9370D8','MediumPurple')
- let i = s:SetNamedColor('#3CB371','MediumSeaGreen')
- let i = s:SetNamedColor('#7B68EE','MediumSlateBlue')
- let i = s:SetNamedColor('#00FA9A','MediumSpringGreen')
- let i = s:SetNamedColor('#48D1CC','MediumTurquoise')
- let i = s:SetNamedColor('#C71585','MediumVioletRed')
- let i = s:SetNamedColor('#191970','MidnightBlue')
- let i = s:SetNamedColor('#F5FFFA','MintCream')
- let i = s:SetNamedColor('#FFE4E1','MistyRose')
- let i = s:SetNamedColor('#FFE4B5','Moccasin')
- let i = s:SetNamedColor('#FFDEAD','NavajoWhite')
- let i = s:SetNamedColor('#FDF5E6','OldLace')
- let i = s:SetNamedColor('#6B8E23','OliveDrab')
- let i = s:SetNamedColor('#FF4500','OrangeRed')
- let i = s:SetNamedColor('#DA70D6','Orchid')
- let i = s:SetNamedColor('#EEE8AA','PaleGoldenRod')
- let i = s:SetNamedColor('#98FB98','PaleGreen')
- let i = s:SetNamedColor('#AFEEEE','PaleTurquoise')
- let i = s:SetNamedColor('#D87093','PaleVioletRed')
- let i = s:SetNamedColor('#FFEFD5','PapayaWhip')
- let i = s:SetNamedColor('#FFDAB9','PeachPuff')
- let i = s:SetNamedColor('#CD853F','Peru')
- let i = s:SetNamedColor('#FFC0CB','Pink')
- let i = s:SetNamedColor('#DDA0DD','Plum')
- let i = s:SetNamedColor('#B0E0E6','PowderBlue')
- let i = s:SetNamedColor('#BC8F8F','RosyBrown')
- let i = s:SetNamedColor('#4169E1','RoyalBlue')
- let i = s:SetNamedColor('#8B4513','SaddleBrown')
- let i = s:SetNamedColor('#FA8072','Salmon')
- let i = s:SetNamedColor('#F4A460','SandyBrown')
- let i = s:SetNamedColor('#2E8B57','SeaGreen')
- let i = s:SetNamedColor('#FFF5EE','SeaShell')
- let i = s:SetNamedColor('#A0522D','Sienna')
- let i = s:SetNamedColor('#87CEEB','SkyBlue')
- let i = s:SetNamedColor('#6A5ACD','SlateBlue')
- let i = s:SetNamedColor('#708090','SlateGray')
- let i = s:SetNamedColor('#708090','SlateGrey')
- let i = s:SetNamedColor('#FFFAFA','Snow')
- let i = s:SetNamedColor('#00FF7F','SpringGreen')
- let i = s:SetNamedColor('#4682B4','SteelBlue')
- let i = s:SetNamedColor('#D2B48C','Tan')
- let i = s:SetNamedColor('#D8BFD8','Thistle')
- let i = s:SetNamedColor('#FF6347','Tomato')
- let i = s:SetNamedColor('#40E0D0','Turquoise')
- let i = s:SetNamedColor('#EE82EE','Violet')
- let i = s:SetNamedColor('#F5DEB3','Wheat')
- let i = s:SetNamedColor('#F5F5F5','WhiteSmoke')
- let i = s:SetNamedColor('#9ACD32','YellowGreen')
- let i = 1
- while i <= line("$")
- call s:PreviewCSSColorInLine(i)
- let i = i+1
- endwhile
- unlet i
- autocmd CursorMoved * silent call s:PreviewCSSColorInLine('.')
- autocmd CursorMovedI * silent call s:PreviewCSSColorInLine('.')
- if !exists('g:cssColorVimDoNotMessMyUpdatetime')
- set ut=100
- endif
- endif