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7
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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: 2020-03-26
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15131
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7 " License: Vim (see :h license)
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8 " Repository: https://github.com/nickspoons/vim-cs
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7
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9
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10 if exists('b:did_indent')
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11 finish
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7
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12 endif
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13 let b:did_indent = 1
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14
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15 let s:save_cpo = &cpoptions
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16 set cpoptions&vim
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17
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18
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19 setlocal indentexpr=GetCSIndent(v:lnum)
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20
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21 function! s:IsCompilerDirective(line)
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22 " Exclude #region and #endregion - these should be indented normally
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23 return a:line =~# '^\s*#' && !s:IsRegionDirective(a:line)
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24 endf
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25
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26 function! s:IsRegionDirective(line)
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27 return a:line =~# '^\s*#\s*region' || a:line =~# '^\s*#\s*endregion'
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28 endf
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29
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30 function! s:IsAttributeLine(line)
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31 return a:line =~# '^\s*\[[A-Za-z]' && a:line =~# '\]$'
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32 endf
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33
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34 function! s:FindPreviousNonCompilerDirectiveLine(start_lnum)
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35 for delta in range(0, a:start_lnum)
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36 let lnum = a:start_lnum - delta
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37 let line = getline(lnum)
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38 if !s:IsCompilerDirective(line) && !s:IsRegionDirective(line)
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39 return lnum
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40 endif
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41 endfor
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42 return 0
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43 endf
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233
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44
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45 function! GetCSIndent(lnum) abort
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46 " Hit the start of the file, use zero indent.
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47 if a:lnum == 0
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48 return 0
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49 endif
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50
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51 let this_line = getline(a:lnum)
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52
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53 " Compiler directives use zero indent if so configured.
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54 let is_first_col_macro = s:IsCompilerDirective(this_line) && stridx(&l:cinkeys, '0#') >= 0
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55 if is_first_col_macro
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56 return cindent(a:lnum)
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57 endif
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58
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59 let lnum = s:FindPreviousNonCompilerDirectiveLine(a:lnum - 1)
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60 let previous_code_line = getline(lnum)
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61 if s:IsAttributeLine(previous_code_line)
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62 return indent(lnum)
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63 elseif s:IsRegionDirective(this_line)
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64 return cindent(lnum)
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65 else
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66 return cindent(a:lnum)
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67 endif
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68 endfunction
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69
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70 let b:undo_indent = 'setlocal indentexpr<'
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71
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72 let &cpoptions = s:save_cpo
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73 unlet s:save_cpo
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74
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75 " vim:et:sw=2:sts=2
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