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1 " Vim indent file
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2 " Language: CSS
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3 " Maintainer: Nikolai Weibull <now@bitwi.se>
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48
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4 " Latest Revision: 2012-05-30
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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 let b:did_indent = 1
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10
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11 setlocal indentexpr=GetCSSIndent()
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12 setlocal indentkeys=0{,0},!^F,o,O
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13 setlocal nosmartindent
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14
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48
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15 let b:undo_indent = "setl smartindent< indentkeys< indentexpr<"
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16
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17 if exists("*GetCSSIndent")
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18 finish
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19 endif
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48
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20 let s:keepcpo= &cpo
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21 set cpo&vim
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22
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23 function s:prevnonblanknoncomment(lnum)
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24 let lnum = a:lnum
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25 while lnum > 1
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26 let lnum = prevnonblank(lnum)
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27 let line = getline(lnum)
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28 if line =~ '\*/'
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29 while lnum > 1 && line !~ '/\*'
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30 let lnum -= 1
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31 endwhile
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32 if line =~ '^\s*/\*'
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33 let lnum -= 1
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34 else
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35 break
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36 endif
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37 else
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38 break
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39 endif
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40 endwhile
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41 return lnum
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42 endfunction
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43
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44 function s:count_braces(lnum, count_open)
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45 let n_open = 0
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46 let n_close = 0
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47 let line = getline(a:lnum)
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48 let pattern = '[{}]'
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49 let i = match(line, pattern)
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50 while i != -1
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51 if synIDattr(synID(a:lnum, i + 1, 0), 'name') !~ 'css\%(Comment\|StringQ\{1,2}\)'
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52 if line[i] == '{'
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53 let n_open += 1
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54 elseif line[i] == '}'
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55 if n_open > 0
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56 let n_open -= 1
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57 else
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58 let n_close += 1
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59 endif
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60 endif
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61 endif
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62 let i = match(line, pattern, i + 1)
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63 endwhile
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64 return a:count_open ? n_open : n_close
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65 endfunction
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66
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67 function GetCSSIndent()
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68 let line = getline(v:lnum)
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69 if line =~ '^\s*\*'
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70 return cindent(v:lnum)
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71 endif
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72
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73 let pnum = s:prevnonblanknoncomment(v:lnum - 1)
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74 if pnum == 0
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75 return 0
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76 endif
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77
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78 return indent(pnum) + s:count_braces(pnum, 1) * &sw
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79 \ - s:count_braces(v:lnum, 0) * &sw
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80 endfunction
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81
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48
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82 let &cpo = s:keepcpo
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83 unlet s:keepcpo
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