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- " Vim syntax file
- " Language: X Pixmap
- " Maintainer: Ronald Schild <rs@scutum.de>
- " Last Change: 2001 May 09
- " Version: 5.4n.1
-
- " For version 5.x: Clear all syntax items
- " For version 6.x: Quit when a syntax file was already loaded
- if version < 600
- syntax clear
- elseif exists("b:current_syntax")
- finish
- endif
-
- syn keyword xpmType char
- syn keyword xpmStorageClass static
- syn keyword xpmTodo TODO FIXME XXX contained
- syn region xpmComment start="/\*" end="\*/" contains=xpmTodo
- syn region xpmPixelString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@xpmColors
-
- if has("gui_running")
-
- let color = ""
- let chars = ""
- let colors = 0
- let cpp = 0
- let n = 0
- let i = 1
-
- while i <= line("$") " scanning all lines
-
- let s = matchstr(getline(i), '".\{-1,}"')
- 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', '')
-
- " highlight the Values string as normal string (no pixel string)
- exe 'syn match xpmValues /'.s.'/'
- hi link xpmValues String
-
- 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, '/\*^$.~[]')
- let chars = escape(chars, '/\*^$.~[]')
-
- " now create syntax items
- " highlight the color string as normal string (no pixel string)
- exe 'syn match xpmCol'.n.'Def /'.s.'/ contains=xpmCol'.n.'inDef'
- exe 'hi link xpmCol'.n.'Def String'
-
- " but highlight the first whitespace after chars in its color
- exe 'syn match xpmCol'.n.'inDef /"'.chars.'/hs=s+'.(cpp+1).' contained'
- exe 'hi link xpmCol'.n.'inDef xpmColor'.n
-
- " remove the following whitespace from chars
- let chars = substitute(chars, '.$', '', '')
-
- " and create the syntax item contained in the pixel strings
- exe 'syn match xpmColor'.n.' /'.chars.'/ contained'
- exe 'syn cluster xpmColors add=xpmColor'.n
-
- " if no color or color = "None" show background
- if color == "" || substitute(color, '.*', '\L&', '') == 'none'
- exe 'hi xpmColor'.n.' guifg=bg'
- exe 'hi xpmColor'.n.' guibg=NONE'
- else
- exe 'hi xpmColor'.n." guifg='".color."'"
- exe 'hi xpmColor'.n." 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")
-
- " Define the default highlighting.
- " For version 5.7 and earlier: only when not done already
- " For version 5.8 and later: only when an item doesn't have highlighting yet
- if version >= 508 || !exists("did_xpm_syntax_inits")
- if version < 508
- let did_xpm_syntax_inits = 1
- command -nargs=+ HiLink hi link <args>
- else
- command -nargs=+ HiLink hi def link <args>
- endif
-
- HiLink xpmType Type
- HiLink xpmStorageClass StorageClass
- HiLink xpmTodo Todo
- HiLink xpmComment Comment
- HiLink xpmPixelString String
-
- delcommand HiLink
- endif
-
- let b:current_syntax = "xpm"
-
- " vim: ts=8:sw=3:noet:
-