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- " Vim indent file
- " Language: Ruby
- " Maintainer: Matt Armstrong <matt@lickey.com>
- " Last Change: 2001 Jul 28
- " URL: http://www.lickey.com/env/vim/indent/ruby.vim
-
- " Only load this indent file when no other was loaded.
- if exists("b:did_indent")
- finish
- endif
- let b:did_indent = 1
-
- setlocal indentexpr=GetRubyIndent()
- setlocal nolisp
- setlocal nosmartindent
- setlocal autoindent
- setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue
-
- " Only define the function once.
- if exists("*GetRubyIndent")
- finish
- endif
-
- function GetRubyIndent()
- " Find a non-blank line above the current line.
- let lnum = prevnonblank(v:lnum - 1)
-
- " At the start of the file use zero indent.
- if lnum == 0
- return 0
- endif
-
- " If the line trailed with a *, +, comma, . or (, trust the user
- if getline(lnum) =~ '\(\*\|\.\|+\|,\|(\)\(\s*#.*\)\=$'
- return -1
- endif
-
- " Add a 'shiftwidth' after lines beginning with:
- " module, class, dev, if, for, while, until, else, elsif, case, when, {
- let ind = indent(lnum)
- let flag = 0
- if getline(lnum) =~ '^\s*\(module\>\|class\>\|def\>\|if\>\|for\>\|while\>\|until\>\|else\>\|elsif\>\|case\>\|when\>\|unless\|begin\|ensure\>\|rescue\>\)' || getline(lnum) =~ '{\s*$' || getline(lnum) =~ '\({\|\<do\>\).*|.*|\s*$' || getline(lnum) =~ '\<do\>\(\s*#.*\)\=$'
- let ind = ind + &sw
- let flag = 1
- endif
-
- " Subtract a 'shiftwidth' after lines ending with
- " "end" when they begin with while, if, for, until
- if flag == 1 && getline(lnum) =~ '\<end\>\(\s*#.*\)\=$'
- let ind = ind - &sw
- endif
-
- " Subtract a 'shiftwidth' on end, else and, elsif, when and }
- if getline(v:lnum) =~ '^\s*\(end\>\|else\>\|elsif\>\|when\>\|ensure\>\|rescue\>\|}\)'
- let ind = ind - &sw
- endif
-
- return ind
- endfunction
-
- " vim:sw=2
-