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67 lines
1.9 KiB
VimL
67 lines
1.9 KiB
VimL
" Vim indent file
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" Language: Ruby
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" Maintainer: Gavin Sinclair <gsinclair@soyabean.com.au>
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" Last Change: 2003 May 11
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" URL: www.soyabean.com.au/gavin/vim/index.html
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" Changes: (since vim 6.1)
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" - indentation after a line ending in comma, etc, (even in a comment) was
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" broken, now fixed (2002/08/14)
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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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let b:did_indent = 1
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setlocal indentexpr=GetRubyIndent()
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setlocal nolisp
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setlocal nosmartindent
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setlocal autoindent
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setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue
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" Only define the function once.
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if exists("*GetRubyIndent")
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finish
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endif
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function GetRubyIndent()
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" Find a non-blank line above the current line.
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let lnum = prevnonblank(v:lnum - 1)
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" At the start of the file use zero indent.
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if lnum == 0
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return 0
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endif
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" If the line trailed with [*+,.(] - but not in a comment - trust the user
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if getline(lnum) =~ '\(\[^#\].*\)?\(\*\|\.\|+\|,\|(\)\(\s*#.*\)\=$'
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return -1
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endif
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" Add a 'shiftwidth' after lines beginning with:
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" module, class, dev, if, for, while, until, else, elsif, case, when, {
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let ind = indent(lnum)
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let flag = 0
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if getline(lnum) =~ '^\s*\(module\>\|class\>\|def\>\|if\>\|for\>\|while\>\|until\>\|else\>\|elsif\>\|case\>\|when\>\|unless\|begin\|ensure\>\|rescue\>\)'
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\ || getline(lnum) =~ '{\s*$'
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\ || getline(lnum) =~ '\({\|\<do\>\).*|.*|\s*$'
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\ || getline(lnum) =~ '\<do\>\(\s*#.*\)\=$'
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let ind = ind + &sw
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let flag = 1
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endif
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" Subtract a 'shiftwidth' after lines ending with
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" "end" when they begin with while, if, for, until
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if flag == 1 && getline(lnum) =~ '\<end\>\(\s*#.*\)\=$'
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let ind = ind - &sw
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endif
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" Subtract a 'shiftwidth' on end, else and, elsif, when and }
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if getline(v:lnum) =~ '^\s*\(end\>\|else\>\|elsif\>\|when\>\|ensure\>\|rescue\>\|}\)'
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let ind = ind - &sw
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endif
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return ind
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endfunction
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" vim:sw=2
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