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1 " Vim indent file
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15131
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2 " Language: C#
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3 " Maintainer: Nick Jensen <nickspoon@gmail.com>
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4 " Former Maintainers: Aquila Deus
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5 " Johannes Zellner <johannes@zellner.org>
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6 " Last Change: 2018-11-21
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7 " Filenames: *.cs
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8 " License: Vim (see :h license)
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9 " Repository: https://github.com/nickspoons/vim-cs
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10 "
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7
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11
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12 " Only load this indent file when no other was loaded.
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15131
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13 if exists('b:did_indent')
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14 finish
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7
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15 endif
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16 let b:did_indent = 1
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17
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15131
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18 let s:save_cpo = &cpoptions
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19 set cpoptions&vim
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20
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21
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22 setlocal indentexpr=GetCSIndent(v:lnum)
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23
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24 function! s:IsCompilerDirective(line)
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25 return a:line =~? '^\s*#'
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26 endf
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27
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28 function! s:IsAttributeLine(line)
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29 return a:line =~? '^\s*\[[A-Za-z]' && a:line =~? '\]$'
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30 endf
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31
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32 function! s:FindPreviousNonCompilerDirectiveLine(start_lnum)
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33 for delta in range(0, a:start_lnum)
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34 let lnum = a:start_lnum - delta
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35 let line = getline(lnum)
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36 let is_directive = s:IsCompilerDirective(line)
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37 if !is_directive
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38 return lnum
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39 endif
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40 endfor
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41 return 0
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42 endf
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233
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43
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15131
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44 function! GetCSIndent(lnum) abort
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45 " Hit the start of the file, use zero indent.
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46 if a:lnum == 0
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47 return 0
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48 endif
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49
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50 let this_line = getline(a:lnum)
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51
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52 " Compiler directives use zero indent if so configured.
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53 let is_first_col_macro = s:IsCompilerDirective(this_line) && stridx(&l:cinkeys, '0#') >= 0
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54 if is_first_col_macro
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55 return cindent(a:lnum)
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56 endif
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57
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58 let lnum = s:FindPreviousNonCompilerDirectiveLine(a:lnum - 1)
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59 let previous_code_line = getline(lnum)
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60 if s:IsAttributeLine(previous_code_line)
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61 let ind = indent(lnum)
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62 return ind
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63 else
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64 return cindent(a:lnum)
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65 endif
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66 endfunction
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67
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68 let b:undo_indent = 'setlocal indentexpr<'
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69
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70 let &cpoptions = s:save_cpo
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71 unlet s:save_cpo
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72
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73 " vim:et:sw=2:sts=2
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