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
|
" Remove trailing white space, see https://vi.stackexchange.com/a/456/15292
function utils#StripTrailingWhitespaces() abort
let l:save = winsaveview()
" vint: next-line -ProhibitCommandRelyOnUser -ProhibitCommandWithUnintendedSideEffect
keeppatterns %s/\v\s+$//e
call winrestview(l:save)
endfunction
" Create command alias safely, see https://stackoverflow.com/q/3878692/6064933
" The following two functions are taken from answer below on SO:
" https://stackoverflow.com/a/10708687/6064933
function! utils#Cabbrev(key, value) abort
execute printf('cabbrev <expr> %s (getcmdtype() == ":" && getcmdpos() <= %d) ? %s : %s',
\ a:key, 1+len(a:key), <SID>Single_quote(a:value), <SID>Single_quote(a:key))
endfunction
function! s:Single_quote(str) abort
return "'" . substitute(copy(a:str), "'", "''", 'g') . "'"
endfunction
" Check the syntax group in the current cursor position, see
" https://stackoverflow.com/q/9464844/6064933 and
" https://jordanelver.co.uk/blog/2015/05/27/working-with-vim-colorschemes/
function! utils#SynGroup() abort
if !exists('*synstack')
return
endif
echo map(synstack(line('.'), col('.')), 'synIDattr(v:val, "name")')
endfunction
" Check if a colorscheme exists in runtimepath.
" The following two functions are inspired by https://stackoverflow.com/a/5703164/6064933.
function! utils#HasColorscheme(name) abort
let l:pat = 'colors/' . a:name . '.vim'
return !empty(globpath(&runtimepath, l:pat))
endfunction
" Check if an Airline theme exists in runtimepath.
function! utils#HasAirlinetheme(name) abort
let l:pat = 'autoload/airline/themes/' . a:name . '.vim'
return !empty(globpath(&runtimepath, l:pat))
endfunction
" Generate random integers in the range [Low, High] in pure vimscrpt,
" adapted from https://stackoverflow.com/a/12739441/6064933
function! utils#RandInt(Low, High) abort
let l:milisec = str2nr(matchstr(reltimestr(reltime()), '\v\.\zs\d+'), 10)
return l:milisec % (a:High - a:Low + 1) + a:Low
endfunction
" Custom fold expr, adapted from https://vi.stackexchange.com/a/9094/15292
function! utils#VimFolds(lnum) abort
" get content of current line and the line below
let l:cur_line = getline(a:lnum)
let l:next_line = getline(a:lnum+1)
if l:cur_line =~# '^"{'
return '>' . (matchend(l:cur_line, '"{*') - 1)
else
if l:cur_line ==# '' && (matchend(l:next_line, '"{*') - 1) == 1
return 0
else
return '='
endif
endif
endfunction
" Custom fold text, adapted from https://vi.stackexchange.com/a/3818/15292
" and https://vi.stackexchange.com/a/6608/15292
function! utils#MyFoldText() abort
let line = getline(v:foldstart)
let folded_line_num = v:foldend - v:foldstart
let line_text = substitute(line, '^"{\+', '', 'g')
let fillcharcount = &textwidth - len(line_text) - len(folded_line_num) - 10
return '+'. repeat('-', 4) . line_text . repeat('.', fillcharcount) . ' (' . folded_line_num . ' L)'
endfunction
" Toggle cursor column
function! utils#ToggleCursorCol() abort
if &cursorcolumn
set nocursorcolumn
echo "cursorcolumn: OFF"
else
set cursorcolumn
echo "cursorcolumn: ON"
endif
endfunction
|
