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7
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1 " Vim indent file
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19968
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2 " Vim reST indent file
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3 " Language: reStructuredText Documentation Format
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4 " Maintainer: Marshall Ward <marshall.ward@gmail.com>
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5 " Previous Maintainer: Nikolai Weibull <now@bitwi.se>
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6 " Latest Revision: 2020-03-31
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7
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7
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8 if exists("b:did_indent")
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9 finish
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10 endif
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11 let b:did_indent = 1
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12
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13 setlocal indentexpr=GetRSTIndent()
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375
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14 setlocal indentkeys=!^F,o,O
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1216
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15 setlocal nosmartindent
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7
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16
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17 if exists("*GetRSTIndent")
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18 finish
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19 endif
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20
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3082
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21 let s:itemization_pattern = '^\s*[-*+]\s'
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22 let s:enumeration_pattern = '^\s*\%(\d\+\|#\)\.\s\+'
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19968
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23 let s:note_pattern = '^\.\. '
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24
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25 function! s:get_paragraph_start()
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26 let paragraph_mark_start = getpos("'{")[1]
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27 return getline(paragraph_mark_start) =~ '\S' ? paragraph_mark_start : paragraph_mark_start + 1
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28 endfunction
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3082
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29
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7
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30 function GetRSTIndent()
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31 let lnum = prevnonblank(v:lnum - 1)
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32 if lnum == 0
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33 return 0
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34 endif
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35
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36 let ind = indent(lnum)
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37 let line = getline(lnum)
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38
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19968
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39 let psnum = s:get_paragraph_start()
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40 if psnum != 0
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41 if getline(psnum) =~ s:note_pattern
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42 let ind = 3
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43 endif
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44 endif
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45
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3082
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46 if line =~ s:itemization_pattern
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47 let ind += 2
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48 elseif line =~ s:enumeration_pattern
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49 let ind += matchend(line, s:enumeration_pattern)
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7
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50 endif
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51
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52 let line = getline(v:lnum - 1)
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53
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3082
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54 " Indent :FIELD: lines. Don’t match if there is no text after the field or
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55 " if the text ends with a sent-ender.
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56 if line =~ '^:.\+:\s\{-1,\}\S.\+[^.!?:]$'
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57 return matchend(line, '^:.\{-1,}:\s\+')
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58 endif
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59
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7
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60 if line =~ '^\s*$'
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61 execute lnum
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3082
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62 call search('^\s*\%([-*+]\s\|\%(\d\+\|#\)\.\s\|\.\.\|$\)', 'bW')
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7
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63 let line = getline('.')
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3082
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64 if line =~ s:itemization_pattern
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65 let ind -= 2
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66 elseif line =~ s:enumeration_pattern
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67 let ind -= matchend(line, s:enumeration_pattern)
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7
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68 elseif line =~ '^\s*\.\.'
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3082
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69 let ind -= 3
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7
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70 endif
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71 endif
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72
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73 return ind
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74 endfunction
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