/usr/share/vim/vim80/indent/liquid.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | " Vim indent file
" Language: Liquid
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
" Last Change: 2017 Jun 13
if exists('b:did_indent')
finish
endif
set indentexpr=
if exists('b:liquid_subtype')
exe 'runtime! indent/'.b:liquid_subtype.'.vim'
else
runtime! indent/html.vim
endif
unlet! b:did_indent
if &l:indentexpr == ''
if &l:cindent
let &l:indentexpr = 'cindent(v:lnum)'
else
let &l:indentexpr = 'indent(prevnonblank(v:lnum-1))'
endif
endif
let b:liquid_subtype_indentexpr = &l:indentexpr
let b:did_indent = 1
setlocal indentexpr=GetLiquidIndent()
setlocal indentkeys=o,O,*<Return>,<>>,{,},0),0],o,O,!^F,=end,=endif,=endunless,=endifchanged,=endcase,=endfor,=endtablerow,=endcapture,=else,=elsif,=when,=empty
" Only define the function once.
if exists('*GetLiquidIndent')
finish
endif
function! s:count(string,pattern)
let string = substitute(a:string,'\C'.a:pattern,"\n",'g')
return strlen(substitute(string,"[^\n]",'','g'))
endfunction
function! GetLiquidIndent(...)
if a:0 && a:1 == '.'
let v:lnum = line('.')
elseif a:0 && a:1 =~ '^\d'
let v:lnum = a:1
endif
let vcol = col('.')
call cursor(v:lnum,1)
exe "let ind = ".b:liquid_subtype_indentexpr
let lnum = prevnonblank(v:lnum-1)
let line = getline(lnum)
let cline = getline(v:lnum)
let line = substitute(line,'\C^\%(\s*{%\s*end\w*\s*%}\)\+','','')
let line .= matchstr(cline,'\C^\%(\s*{%\s*end\w*\s*%}\)\+')
let cline = substitute(cline,'\C^\%(\s*{%\s*end\w*\s*%}\)\+','','')
let sw = shiftwidth()
let ind += sw * s:count(line,'{%\s*\%(if\|elsif\|else\|unless\|ifchanged\|case\|when\|for\|empty\|tablerow\|capture\)\>')
let ind -= sw * s:count(line,'{%\s*end\%(if\|unless\|ifchanged\|case\|for\|tablerow\|capture\)\>')
let ind -= sw * s:count(cline,'{%\s*\%(elsif\|else\|when\|empty\)\>')
let ind -= sw * s:count(cline,'{%\s*end\w*$')
return ind
endfunction
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