| " Vim indent file |
| " Language: Ruby |
| " Maintainer: Gavin Sinclair <gsinclair@soyabean.com.au> |
| " Last Change: 2003 May 11 |
| " URL: www.soyabean.com.au/gavin/vim/index.html |
| " Changes: (since vim 6.1) |
| " - indentation after a line ending in comma, etc, (even in a comment) was |
| " broken, now fixed (2002/08/14) |
| |
| " 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 [*+,.(] - but not in a comment - 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 |