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Editing: xpm2.vim
" Vim syntax file " Language: X Pixmap v2 " Maintainer: Steve Wall (hitched97@velnet.com) " Last Change: 2017 Feb 01 " (Dominique Pelle added @Spell) " Version: 5.8 " Jemma Nelson added termguicolors support " " Made from xpm.vim by Ronald Schild <rs@scutum.de> " quit when a syntax file was already loaded if exists("b:current_syntax") finish endif let s:cpo_save = &cpo set cpo&vim syn region xpm2PixelString start="^" end="$" contains=@xpm2Colors syn keyword xpm2Todo TODO FIXME XXX contained syn match xpm2Comment "\!.*$" contains=@Spell,xpm2Todo command -nargs=+ Hi hi def <args> if has("gui_running") || has("termguicolors") && &termguicolors let color = "" let chars = "" let colors = 0 let cpp = 0 let n = 0 let i = 1 while i <= line("$") " scanning all lines let s = getline(i) if match(s,"\!.*$") != -1 let s = matchstr(s, "^[^\!]*") endif if s != "" " does line contain a string? if n == 0 " first string is the Values string " get the 3rd value: colors = number of colors let colors = substitute(s, '\s*\d\+\s\+\d\+\s\+\(\d\+\).*', '\1', '') " get the 4th value: cpp = number of character per pixel let cpp = substitute(s, '\s*\d\+\s\+\d\+\s\+\d\+\s\+\(\d\+\).*', '\1', '') if cpp =~ '[^0-9]' break " if cpp is not made of digits there must be something wrong endif " Highlight the Values string as normal string (no pixel string). " Only when there is no slash, it would terminate the pattern. if s !~ '/' exe 'syn match xpm2Values /' . s . '/' endif hi def link xpm2Values Statement let n = 1 " n = color index elseif n <= colors " string is a color specification " get chars = <cpp> length string representing the pixels " (first incl. the following whitespace) let chars = substitute(s, '\(.\{'.cpp.'}\s\+\).*', '\1', '') " now get color, first try 'c' key if any (color visual) let color = substitute(s, '.*\sc\s\+\(.\{-}\)\s*\(\(g4\=\|[ms]\)\s.*\)*\s*', '\1', '') if color == s " no 'c' key, try 'g' key (grayscale with more than 4 levels) let color = substitute(s, '.*\sg\s\+\(.\{-}\)\s*\(\(g4\|[ms]\)\s.*\)*\s*', '\1', '') if color == s " next try: 'g4' key (4-level grayscale) let color = substitute(s, '.*\sg4\s\+\(.\{-}\)\s*\([ms]\s.*\)*\s*', '\1', '') if color == s " finally try 'm' key (mono visual) let color = substitute(s, '.*\sm\s\+\(.\{-}\)\s*\(s\s.*\)*\s*', '\1', '') if color == s let color = "" endif endif endif endif " Vim cannot handle RGB codes with more than 6 hex digits if color =~ '#\x\{10,}$' let color = substitute(color, '\(\x\x\)\x\x', '\1', 'g') elseif color =~ '#\x\{7,}$' let color = substitute(color, '\(\x\x\)\x', '\1', 'g') " nor with 3 digits elseif color =~ '#\x\{3}$' let color = substitute(color, '\(\x\)\(\x\)\(\x\)', '0\10\20\3', '') endif " escape meta characters in patterns let s = escape(s, '/\*^$.~[]') let chars = escape(chars, '/\*^$.~[]') " change whitespace to "\s\+" let s = substitute(s, "[ \t][ \t]*", "\\\\s\\\\+", "g") let chars = substitute(chars, "[ \t][ \t]*", "\\\\s\\\\+", "g") " now create syntax items " highlight the color string as normal string (no pixel string) exe 'syn match xpm2Col'.n.'Def /'.s.'/ contains=xpm2Col'.n.'inDef' exe 'hi def link xpm2Col'.n.'Def Constant' " but highlight the first whitespace after chars in its color exe 'syn match xpm2Col'.n.'inDef /^'.chars.'/hs=s+'.(cpp).' contained' exe 'hi def link xpm2Col'.n.'inDef xpm2Color'.n " remove the following whitespace from chars let chars = substitute(chars, '\\s\\+$', '', '') " and create the syntax item contained in the pixel strings exe 'syn match xpm2Color'.n.' /'.chars.'/ contained' exe 'syn cluster xpm2Colors add=xpm2Color'.n " if no color or color = "None" show background if color == "" || substitute(color, '.*', '\L&', '') == 'none' exe 'Hi xpm2Color'.n.' guifg=bg guibg=NONE' elseif color !~ "'" exe 'Hi xpm2Color'.n." guifg='".color."' guibg='".color."'" endif let n = n + 1 else break " no more color string endif endif let i = i + 1 endwhile unlet color chars colors cpp n i s endif " has("gui_running") || has("termguicolors") && &termguicolors " Define the default highlighting. " Only when an item doesn't have highlighting yet " The default highlighting. hi def link xpm2Type Type hi def link xpm2StorageClass StorageClass hi def link xpm2Todo Todo hi def link xpm2Comment Comment hi def link xpm2PixelString String delcommand Hi let b:current_syntax = "xpm2" let &cpo = s:cpo_save unlet s:cpo_save " vim: ts=8:sw=2:noet:
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