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2202
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1 " Vim indent file
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2 " Language: Liquid
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3 " Maintainer: Tim Pope <vimNOSPAM@tpope.org>
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4 " Last Change: 2022 Mar 15
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5
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6 if exists('b:did_indent')
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7 finish
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8 endif
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9
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10 set indentexpr=
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11 if exists('b:liquid_subtype')
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12 exe 'runtime! indent/'.b:liquid_subtype.'.vim'
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13 else
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14 runtime! indent/html.vim
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15 endif
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16 unlet! b:did_indent
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17
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18 if &l:indentexpr == ''
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19 if &l:cindent
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20 let &l:indentexpr = 'cindent(v:lnum)'
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21 else
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22 let &l:indentexpr = 'indent(prevnonblank(v:lnum-1))'
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23 endif
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24 endif
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25 let b:liquid_subtype_indentexpr = &l:indentexpr
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26
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27 let b:did_indent = 1
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28
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29 setlocal indentexpr=GetLiquidIndent()
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30 setlocal indentkeys=o,O,*<Return>,<>>,{,},0),0],o,O,!^F,=end,=endif,=endunless,=endifchanged,=endcase,=endfor,=endtablerow,=endcapture,=else,=elsif,=when,=empty
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31
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32 let b:undo_indent = "setl inde< indk<"
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33
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34 " Only define the function once.
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35 if exists('*GetLiquidIndent')
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36 finish
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37 endif
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38
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39 function! s:count(string, pattern) abort
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40 let string = substitute(a:string,'\C'.a:pattern,"\n",'g')
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41 return strlen(substitute(string,"[^\n]",'','g'))
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42 endfunction
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43
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44 function! GetLiquidIndent(...) abort
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45 if a:0 && a:1 == '.'
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46 let v:lnum = line('.')
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47 elseif a:0 && a:1 =~ '^\d'
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48 let v:lnum = a:1
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49 endif
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50 let vcol = col('.')
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51 call cursor(v:lnum,1)
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52 exe "let ind = ".b:liquid_subtype_indentexpr
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53 let lnum = prevnonblank(v:lnum-1)
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54 let line = getline(lnum)
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55 let cline = getline(v:lnum)
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56 let line = substitute(line,'\C^\%(\s*{%-\=\s*end\w*\s*-\=%}\)\+','','')
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57 let line = substitute(line,'\C\%(\s*{%-\=\s*if.\+-\=%}.\+{%-\=\s*endif\s*-\=%}\)\+','','g')
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58 let line .= matchstr(cline,'\C^\%(\s*{%-\=\s*end\w*\s*-\=%}\)\+')
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59 let cline = substitute(cline,'\C^\%(\s*{%-\=\s*end\w*\s*-\=%}\)\+','','')
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60 let sw = shiftwidth()
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61 let ind += sw * s:count(line,'{%-\=\s*\%(if\|elsif\|else\|unless\|ifchanged\|case\|when\|for\|empty\|tablerow\|capture\)\>')
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62 let ind -= sw * s:count(line,'{%-\=\s*end\%(if\|unless\|ifchanged\|case\|for\|tablerow\|capture\)\>')
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63 let ind -= sw * s:count(cline,'{%-\=\s*\%(elsif\|else\|when\|empty\)\>')
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64 let ind -= sw * s:count(cline,'{%-\=\s*end\w*$')
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65 return ind
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66 endfunction
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