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-rw-r--r--runtime/indent/rst.vim74
1 files changed, 74 insertions, 0 deletions
diff --git a/runtime/indent/rst.vim b/runtime/indent/rst.vim
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+++ b/runtime/indent/rst.vim
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+" Vim indent file
+" Vim reST indent file
+" Language: reStructuredText Documentation Format
+" Maintainer: Marshall Ward <marshall.ward@gmail.com>
+" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
+" Latest Revision: 2020-03-31
+
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+setlocal indentexpr=GetRSTIndent()
+setlocal indentkeys=!^F,o,O
+setlocal nosmartindent
+
+if exists("*GetRSTIndent")
+ finish
+endif
+
+let s:itemization_pattern = '^\s*[-*+]\s'
+let s:enumeration_pattern = '^\s*\%(\d\+\|#\)\.\s\+'
+let s:note_pattern = '^\.\. '
+
+function! s:get_paragraph_start()
+ let paragraph_mark_start = getpos("'{")[1]
+ return getline(paragraph_mark_start) =~ '\S' ? paragraph_mark_start : paragraph_mark_start + 1
+endfunction
+
+function GetRSTIndent()
+ let lnum = prevnonblank(v:lnum - 1)
+ if lnum == 0
+ return 0
+ endif
+
+ let ind = indent(lnum)
+ let line = getline(lnum)
+
+ let psnum = s:get_paragraph_start()
+ if psnum != 0
+ if getline(psnum) =~ s:note_pattern
+ let ind = 3
+ endif
+ endif
+
+ if line =~ s:itemization_pattern
+ let ind += 2
+ elseif line =~ s:enumeration_pattern
+ let ind += matchend(line, s:enumeration_pattern)
+ endif
+
+ let line = getline(v:lnum - 1)
+
+ " Indent :FIELD: lines. Don’t match if there is no text after the field or
+ " if the text ends with a sent-ender.
+ if line =~ '^:.\+:\s\{-1,\}\S.\+[^.!?:]$'
+ return matchend(line, '^:.\{-1,}:\s\+')
+ endif
+
+ if line =~ '^\s*$'
+ execute lnum
+ call search('^\s*\%([-*+]\s\|\%(\d\+\|#\)\.\s\|\.\.\|$\)', 'bW')
+ let line = getline('.')
+ if line =~ s:itemization_pattern
+ let ind -= 2
+ elseif line =~ s:enumeration_pattern
+ let ind -= matchend(line, s:enumeration_pattern)
+ elseif line =~ '^\s*\.\.'
+ let ind -= 3
+ endif
+ endif
+
+ return ind
+endfunction