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75 lines
1.8 KiB
VimL
75 lines
1.8 KiB
VimL
" Vim indent file
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" Vim reST indent file
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" Language: reStructuredText Documentation Format
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" Maintainer: Marshall Ward <marshall.ward@gmail.com>
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" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
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" Latest Revision: 2020-03-31
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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setlocal indentexpr=GetRSTIndent()
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setlocal indentkeys=!^F,o,O
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setlocal nosmartindent
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if exists("*GetRSTIndent")
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finish
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endif
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let s:itemization_pattern = '^\s*[-*+]\s'
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let s:enumeration_pattern = '^\s*\%(\d\+\|#\)\.\s\+'
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let s:note_pattern = '^\.\. '
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function! s:get_paragraph_start()
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let paragraph_mark_start = getpos("'{")[1]
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return getline(paragraph_mark_start) =~ '\S' ? paragraph_mark_start : paragraph_mark_start + 1
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endfunction
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function GetRSTIndent()
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let lnum = prevnonblank(v:lnum - 1)
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if lnum == 0
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return 0
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endif
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let ind = indent(lnum)
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let line = getline(lnum)
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let psnum = s:get_paragraph_start()
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if psnum != 0
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if getline(psnum) =~ s:note_pattern
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let ind = 3
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endif
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endif
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if line =~ s:itemization_pattern
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let ind += 2
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elseif line =~ s:enumeration_pattern
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let ind += matchend(line, s:enumeration_pattern)
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endif
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let line = getline(v:lnum - 1)
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" Indent :FIELD: lines. Don’t match if there is no text after the field or
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" if the text ends with a sent-ender.
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if line =~ '^:.\+:\s\{-1,\}\S.\+[^.!?:]$'
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return matchend(line, '^:.\{-1,}:\s\+')
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endif
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if line =~ '^\s*$'
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execute lnum
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call search('^\s*\%([-*+]\s\|\%(\d\+\|#\)\.\s\|\.\.\|$\)', 'bW')
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let line = getline('.')
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if line =~ s:itemization_pattern
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let ind -= 2
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elseif line =~ s:enumeration_pattern
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let ind -= matchend(line, s:enumeration_pattern)
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elseif line =~ '^\s*\.\.'
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let ind -= 3
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endif
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endif
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return ind
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endfunction
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