xref: /vim-8.2.3635/runtime/syntax/xpm2.vim (revision cf2d8dee)
1" Vim syntax file
2" Language:	X Pixmap v2
3" Maintainer:	Steve Wall ([email protected])
4" Last Change:	2012 Jun 01
5" 		(Dominique Pelle added @Spell)
6" Version:	5.8
7"
8" Made from xpm.vim by Ronald Schild <[email protected]>
9
10" For version 5.x: Clear all syntax items
11" For version 6.x: Quit when a syntax file was already loaded
12if version < 600
13  syntax clear
14elseif exists("b:current_syntax")
15  finish
16endif
17
18let s:cpo_save = &cpo
19set cpo&vim
20
21syn region  xpm2PixelString	start="^"  end="$"  contains=@xpm2Colors
22syn keyword xpm2Todo		TODO FIXME XXX  contained
23syn match   xpm2Comment		"\!.*$"  contains=@Spell,xpm2Todo
24
25
26if version < 508
27  command -nargs=+ HiLink hi link <args>
28  command -nargs=+ Hi hi <args>
29else
30  command -nargs=+ HiLink hi def link <args>
31  command -nargs=+ Hi hi def <args>
32endif
33
34if has("gui_running")
35
36  let color  = ""
37  let chars  = ""
38  let colors = 0
39  let cpp    = 0
40  let n      = 0
41  let i      = 1
42
43  while i <= line("$")		" scanning all lines
44
45    let s = getline(i)
46    if match(s,"\!.*$") != -1
47      let s = matchstr(s, "^[^\!]*")
48    endif
49    if s != ""			" does line contain a string?
50
51      if n == 0			" first string is the Values string
52
53	" get the 3rd value: colors = number of colors
54	let colors = substitute(s, '\s*\d\+\s\+\d\+\s\+\(\d\+\).*', '\1', '')
55	" get the 4th value: cpp = number of character per pixel
56	let cpp = substitute(s, '\s*\d\+\s\+\d\+\s\+\d\+\s\+\(\d\+\).*', '\1', '')
57	if cpp =~ '[^0-9]'
58	  break  " if cpp is not made of digits there must be something wrong
59	endif
60
61	" Highlight the Values string as normal string (no pixel string).
62	" Only when there is no slash, it would terminate the pattern.
63	if s !~ '/'
64	  exe 'syn match xpm2Values /' . s . '/'
65	endif
66	HiLink xpm2Values Statement
67
68	let n = 1			" n = color index
69
70      elseif n <= colors		" string is a color specification
71
72	" get chars = <cpp> length string representing the pixels
73	" (first incl. the following whitespace)
74	let chars = substitute(s, '\(.\{'.cpp.'}\s\+\).*', '\1', '')
75
76	" now get color, first try 'c' key if any (color visual)
77	let color = substitute(s, '.*\sc\s\+\(.\{-}\)\s*\(\(g4\=\|[ms]\)\s.*\)*\s*', '\1', '')
78	if color == s
79	  " no 'c' key, try 'g' key (grayscale with more than 4 levels)
80	  let color = substitute(s, '.*\sg\s\+\(.\{-}\)\s*\(\(g4\|[ms]\)\s.*\)*\s*', '\1', '')
81	  if color == s
82	    " next try: 'g4' key (4-level grayscale)
83	    let color = substitute(s, '.*\sg4\s\+\(.\{-}\)\s*\([ms]\s.*\)*\s*', '\1', '')
84	    if color == s
85	      " finally try 'm' key (mono visual)
86	      let color = substitute(s, '.*\sm\s\+\(.\{-}\)\s*\(s\s.*\)*\s*', '\1', '')
87	      if color == s
88		let color = ""
89	      endif
90	    endif
91	  endif
92	endif
93
94	" Vim cannot handle RGB codes with more than 6 hex digits
95	if color =~ '#\x\{10,}$'
96	  let color = substitute(color, '\(\x\x\)\x\x', '\1', 'g')
97	elseif color =~ '#\x\{7,}$'
98	  let color = substitute(color, '\(\x\x\)\x', '\1', 'g')
99	" nor with 3 digits
100	elseif color =~ '#\x\{3}$'
101	  let color = substitute(color, '\(\x\)\(\x\)\(\x\)', '0\10\20\3', '')
102	endif
103
104	" escape meta characters in patterns
105	let s = escape(s, '/\*^$.~[]')
106	let chars = escape(chars, '/\*^$.~[]')
107
108	" change whitespace to "\s\+"
109	let s = substitute(s, "[ \t][ \t]*", "\\\\s\\\\+", "g")
110	let chars = substitute(chars, "[ \t][ \t]*", "\\\\s\\\\+", "g")
111
112	" now create syntax items
113	" highlight the color string as normal string (no pixel string)
114	exe 'syn match xpm2Col'.n.'Def /'.s.'/ contains=xpm2Col'.n.'inDef'
115	exe 'HiLink xpm2Col'.n.'Def Constant'
116
117	" but highlight the first whitespace after chars in its color
118	exe 'syn match xpm2Col'.n.'inDef /^'.chars.'/hs=s+'.(cpp).' contained'
119	exe 'HiLink xpm2Col'.n.'inDef xpm2Color'.n
120
121	" remove the following whitespace from chars
122	let chars = substitute(chars, '\\s\\+$', '', '')
123
124	" and create the syntax item contained in the pixel strings
125	exe 'syn match xpm2Color'.n.' /'.chars.'/ contained'
126	exe 'syn cluster xpm2Colors add=xpm2Color'.n
127
128	" if no color or color = "None" show background
129	if color == ""  ||  substitute(color, '.*', '\L&', '') == 'none'
130	  exe 'Hi xpm2Color'.n.' guifg=bg guibg=NONE'
131	elseif color !~ "'"
132	  exe 'Hi xpm2Color'.n." guifg='".color."' guibg='".color."'"
133	endif
134	let n = n + 1
135      else
136	break			" no more color string
137      endif
138    endif
139    let i = i + 1
140  endwhile
141
142  unlet color chars colors cpp n i s
143
144endif		" has("gui_running")
145
146" Define the default highlighting.
147" For version 5.7 and earlier: only when not done already
148" For version 5.8 and later: only when an item doesn't have highlighting yet
149if version >= 508 || !exists("did_xpm2_syntax_inits")
150  if version < 508
151    let did_xpm2_syntax_inits = 1
152  endif
153
154  " The default highlighting.
155  HiLink xpm2Type		Type
156  HiLink xpm2StorageClass	StorageClass
157  HiLink xpm2Todo		Todo
158  HiLink xpm2Comment		Comment
159  HiLink xpm2PixelString	String
160endif
161delcommand HiLink
162delcommand Hi
163
164let b:current_syntax = "xpm2"
165
166let &cpo = s:cpo_save
167unlet s:cpo_save
168" vim: ts=8:sw=2:noet:
169