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" Vim indent file
" Language: Rrst
" Author: Jakson Alves de Aquino <jalvesaq@gmail.com>
" Homepage: https://github.com/jalvesaq/R-Vim-runtime
" Last Change: Feb 25, 2023
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif
runtime indent/r.vim
let s:RIndent = function(substitute(&indentexpr, "()", "", ""))
let b:did_indent = 1
setlocal indentkeys=0{,0},:,!^F,o,O,e
setlocal indentexpr=GetRrstIndent()
let b:undo_indent = "setl inde< indk<"
if exists("*GetRrstIndent")
finish
endif
function GetRstIndent()
let pline = getline(v:lnum - 1)
let cline = getline(v:lnum)
if prevnonblank(v:lnum - 1) < v:lnum - 1 || cline =~ '^\s*[-\+\*]\s' || cline =~ '^\s*\d\+\.\s\+'
return indent(v:lnum)
elseif pline =~ '^\s*[-\+\*]\s'
return indent(v:lnum - 1) + 2
elseif pline =~ '^\s*\d\+\.\s\+'
return indent(v:lnum - 1) + 3
endif
return indent(prevnonblank(v:lnum - 1))
endfunction
function GetRrstIndent()
if getline(".") =~ '^\.\. {r .*}$' || getline(".") =~ '^\.\. \.\.$'
return 0
endif
if search('^\.\. {r', "bncW") > search('^\.\. \.\.$', "bncW")
return s:RIndent()
else
return GetRstIndent()
endif
endfunction
" vim: sw=2
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