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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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5 " Last Change: 2017 May 10
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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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20 if exists("*GetDosBatchIndent")
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21 finish
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22 endif
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23
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24 let s:cpo_save = &cpo
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25 set cpo&vim
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26
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27 function! GetDosBatchIndent(lnum)
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28 let l:prevlnum = prevnonblank(a:lnum-1)
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29 if l:prevlnum == 0
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30 " top of file
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31 return 0
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32 endif
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33
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34 " grab the previous and current line, stripping comments.
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35 let l:prevl = substitute(getline(l:prevlnum), '\c^\s*\%(@\s*\)\?rem\>.*$', '', '')
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36 let l:thisl = getline(a:lnum)
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37 let l:previ = indent(l:prevlnum)
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38
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39 let l:ind = l:previ
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40
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41 if l:prevl =~? '^\s*@\=if\>.*(\s*$' ||
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42 \ l:prevl =~? '\<do\>\s*(\s*$' ||
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43 \ l:prevl =~? '\<else\>\s*\%(if\>.*\)\?(\s*$' ||
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44 \ l:prevl =~? '^.*\(&&\|||\)\s*(\s*$'
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45 " previous line opened a block
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46 let l:ind += shiftwidth()
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47 endif
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48 if l:thisl =~ '^\s*)'
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49 " this line closed a block
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50 let l:ind -= shiftwidth()
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51 endif
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52
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53 return l:ind
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54 endfunction
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55
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56 let &cpo = s:cpo_save
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57 unlet s:cpo_save
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58
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59 " vim: ts=8 sw=2 sts=2
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