1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
" Vim syntax file
" Language: X Pixmap v2
" Maintainer: Steve Wall (hitched97@velnet.com)
" Last Change: 2008 May 28
" Version: 5.8
"
" Made from xpm.vim by Ronald Schild <rs@scutum.de>
" 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 region xpm2PixelString start="^" end="$" contains=@xpm2Colors
syn keyword xpm2Todo TODO FIXME XXX contained
syn match xpm2Comment "\!.*$" contains=xpm2Todo
if version < 508
command -nargs=+ HiLink hi link <args>
command -nargs=+ Hi hi <args>
else
command -nargs=+ HiLink hi def link <args>
command -nargs=+ Hi hi def <args>
endif
if has("gui_running")
let color = ""
let chars = ""
let colors = 0
let cpp = 0
let n = 0
let i = 1
while i <= line("$") " scanning all lines
let s = getline(i)
if match(s,"\!.*$") != -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
HiLink 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 'HiLink 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 'HiLink 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")
" 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_xpm2_syntax_inits")
if version < 508
let did_xpm2_syntax_inits = 1
endif
" The default highlighting.
HiLink xpm2Type Type
HiLink xpm2StorageClass StorageClass
HiLink xpm2Todo Todo
HiLink xpm2Comment Comment
HiLink xpm2PixelString String
endif
delcommand HiLink
delcommand Hi
let b:current_syntax = "xpm2"
" vim: ts=8:sw=2:noet:
|
