113 lines
3.0 KiB
VimL
113 lines
3.0 KiB
VimL
" Vim indent file
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" Language: R Documentation (Help), *.Rd
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" Maintainer: This runtime file is looking for a new maintainer.
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" Former Maintainer: Jakson Alves de Aquino <jalvesaq@gmail.com>
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" Former Repository: https://github.com/jalvesaq/R-Vim-runtime
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" Last Change: 2023 Feb 27 07:01PM
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" 2024 Feb 19 by Vim Project (announce adoption)
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" Only load this indent file when no other was loaded.
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if exists("b:did_indent")
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finish
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endif
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runtime indent/r.vim
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let s:RIndent = function(substitute(&indentexpr, "()", "", ""))
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let b:did_indent = 1
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setlocal noautoindent
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setlocal nocindent
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setlocal nosmartindent
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setlocal nolisp
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setlocal indentkeys=0{,0},:,!^F,o,O,e
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setlocal indentexpr=GetCorrectRHelpIndent()
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let b:undo_indent = "setl ai< cin< inde< indk< lisp< si<"
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" Only define the functions once.
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if exists("*GetRHelpIndent")
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finish
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endif
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function s:SanitizeRHelpLine(line)
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let newline = substitute(a:line, '\\\\', "x", "g")
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let newline = substitute(newline, '\\{', "x", "g")
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let newline = substitute(newline, '\\}', "x", "g")
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let newline = substitute(newline, '\\%', "x", "g")
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let newline = substitute(newline, '%.*', "", "")
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let newline = substitute(newline, '\s*$', "", "")
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return newline
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endfunction
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function GetRHelpIndent()
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let clnum = line(".") " current line
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if clnum == 1
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return 0
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endif
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let cline = getline(clnum)
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if cline =~ '^\s*}\s*$'
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let i = clnum
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let bb = -1
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while bb != 0 && i > 1
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let i -= 1
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let line = s:SanitizeRHelpLine(getline(i))
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let line2 = substitute(line, "{", "", "g")
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let openb = strlen(line) - strlen(line2)
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let line3 = substitute(line2, "}", "", "g")
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let closeb = strlen(line2) - strlen(line3)
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let bb += openb - closeb
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endwhile
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return indent(i)
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endif
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if cline =~ '^\s*#ifdef\>' || cline =~ '^\s*#endif\>'
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return 0
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endif
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let lnum = clnum - 1
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let line = getline(lnum)
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if line =~ '^\s*#ifdef\>' || line =~ '^\s*#endif\>'
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let lnum -= 1
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let line = getline(lnum)
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endif
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while lnum > 1 && (line =~ '^\s*$' || line =~ '^#ifdef' || line =~ '^#endif')
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let lnum -= 1
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let line = getline(lnum)
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endwhile
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if lnum == 1
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return 0
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endif
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let line = s:SanitizeRHelpLine(line)
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let line2 = substitute(line, "{", "", "g")
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let openb = strlen(line) - strlen(line2)
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let line3 = substitute(line2, "}", "", "g")
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let closeb = strlen(line2) - strlen(line3)
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let bb = openb - closeb
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let ind = indent(lnum) + (bb * shiftwidth())
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if line =~ '^\s*}\s*$'
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let ind = indent(lnum)
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endif
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if ind < 0
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return 0
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endif
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return ind
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endfunction
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function GetCorrectRHelpIndent()
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let lastsection = search('^\\[a-z]*{', "bncW")
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let secname = getline(lastsection)
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if secname =~ '^\\usage{' || secname =~ '^\\examples{' || secname =~ '^\\dontshow{' || secname =~ '^\\dontrun{' || secname =~ '^\\donttest{' || secname =~ '^\\testonly{' || secname =~ '^\\method{.*}{.*}('
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return s:RIndent()
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else
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return GetRHelpIndent()
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endif
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endfunction
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" vim: sw=2
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