blob: 65506099f47861d0c2df9d92bd4f389caa53effa (
plain)
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
|
" Vim indent file
" Language: nginx.conf
" Maintainer: Chris Aumann <me@chr4.org>
" Last Change: 2022 Dec 01
" Only load this indent file when no other was loaded.
if exists('b:did_indent')
finish
endif
let b:did_indent = 1
setlocal indentexpr=GetNginxIndent()
setlocal indentkeys=0{,0},0#,!^F,o,O
let b:undo_indent = 'setl inde< indk<'
" Only define the function once.
if exists('*GetNginxIndent')
finish
endif
function GetNginxIndent() abort
let plnum = s:PrevNotAsBlank(v:lnum - 1)
" Hit the start of the file, use zero indent.
if plnum == 0
return 0
endif
let ind = indent(plnum)
" Add a 'shiftwidth' after '{'
if s:AsEndWith(getline(plnum), '{')
let ind = ind + shiftwidth()
end
" Subtract a 'shiftwidth' on '}'
" This is the part that requires 'indentkeys'.
if getline(v:lnum) =~ '^\s*}'
let ind = ind - shiftwidth()
endif
let pplnum = s:PrevNotAsBlank(plnum - 1)
if s:IsLineContinuation(plnum)
if !s:IsLineContinuation(pplnum)
let ind = ind + shiftwidth()
end
else
if s:IsLineContinuation(pplnum)
let ind = ind - shiftwidth()
end
endif
return ind
endfunction
" Find the first line at or above {lnum} that is non-blank and not a comment.
function s:PrevNotAsBlank(lnum) abort
let lnum = prevnonblank(a:lnum)
while lnum > 0
if getline(lnum) !~ '^\s*#'
break
endif
let lnum = prevnonblank(lnum - 1)
endwhile
return lnum
endfunction
" Check whether {line} ends with {pat}, ignoring trailing comments.
function s:AsEndWith(line, pat) abort
return a:line =~ a:pat . '\m\s*\%(#.*\)\?$'
endfunction
function s:IsLineContinuation(lnum) abort
return a:lnum > 0 && !s:AsEndWith(getline(a:lnum), '[;{}]')
endfunction
|
