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14668
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1 " Vim indent file
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2 " Language: MSDOS batch file (with NT command extensions)
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3 " Maintainer: Ken Takata
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4 " URL: https://github.com/k-takata/vim-dosbatch-indent
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26050
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5 " Last Change: 2021-10-18
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14668
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6 " Filenames: *.bat
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7 " License: VIM License
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8
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9 if exists("b:did_indent")
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10 finish
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11 endif
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12 let b:did_indent = 1
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13
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14 setlocal nosmartindent
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15 setlocal noautoindent
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16 setlocal indentexpr=GetDosBatchIndent(v:lnum)
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17 setlocal indentkeys=!^F,o,O
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18 setlocal indentkeys+=0=)
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19
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26050
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20 let b:undo_indent = "setl ai< inde< indk< si<"
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21
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14668
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22 if exists("*GetDosBatchIndent")
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23 finish
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24 endif
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25
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26 let s:cpo_save = &cpo
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27 set cpo&vim
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28
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29 function! GetDosBatchIndent(lnum)
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30 let l:prevlnum = prevnonblank(a:lnum-1)
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31 if l:prevlnum == 0
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32 " top of file
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33 return 0
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34 endif
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35
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36 " grab the previous and current line, stripping comments.
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37 let l:prevl = substitute(getline(l:prevlnum), '\c^\s*\%(@\s*\)\?rem\>.*$', '', '')
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38 let l:thisl = getline(a:lnum)
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39 let l:previ = indent(l:prevlnum)
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40
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41 let l:ind = l:previ
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42
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43 if l:prevl =~? '^\s*@\=if\>.*(\s*$' ||
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44 \ l:prevl =~? '\<do\>\s*(\s*$' ||
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45 \ l:prevl =~? '\<else\>\s*\%(if\>.*\)\?(\s*$' ||
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46 \ l:prevl =~? '^.*\(&&\|||\)\s*(\s*$'
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47 " previous line opened a block
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48 let l:ind += shiftwidth()
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49 endif
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50 if l:thisl =~ '^\s*)'
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51 " this line closed a block
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52 let l:ind -= shiftwidth()
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53 endif
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54
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55 return l:ind
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56 endfunction
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57
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58 let &cpo = s:cpo_save
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59 unlet s:cpo_save
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60
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61 " vim: ts=8 sw=2 sts=2
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