76 lines
1.9 KiB
VimL
76 lines
1.9 KiB
VimL
" Vim indent file
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" Language: C#
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" Maintainer: Nick Jensen <nickspoon@gmail.com>
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" Former Maintainers: Aquila Deus
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" Johannes Zellner <johannes@zellner.org>
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" Last Change: 2020-03-26
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" License: Vim (see :h license)
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" Repository: https://github.com/nickspoons/vim-cs
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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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let s:save_cpo = &cpoptions
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set cpoptions&vim
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setlocal indentexpr=GetCSIndent(v:lnum)
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function! s:IsCompilerDirective(line)
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" Exclude #region and #endregion - these should be indented normally
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return a:line =~# '^\s*#' && !s:IsRegionDirective(a:line)
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endf
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function! s:IsRegionDirective(line)
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return a:line =~# '^\s*#\s*region' || a:line =~# '^\s*#\s*endregion'
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endf
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function! s:IsAttributeLine(line)
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return a:line =~# '^\s*\[[A-Za-z]' && a:line =~# '\]$'
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endf
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function! s:FindPreviousNonCompilerDirectiveLine(start_lnum)
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for delta in range(0, a:start_lnum)
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let lnum = a:start_lnum - delta
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let line = getline(lnum)
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if !s:IsCompilerDirective(line) && !s:IsRegionDirective(line)
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return lnum
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endif
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endfor
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return 0
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endf
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function! GetCSIndent(lnum) abort
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" Hit the start of the file, use zero indent.
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if a:lnum == 0
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return 0
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endif
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let this_line = getline(a:lnum)
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" Compiler directives use zero indent if so configured.
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let is_first_col_macro = s:IsCompilerDirective(this_line) && stridx(&l:cinkeys, '0#') >= 0
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if is_first_col_macro
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return cindent(a:lnum)
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endif
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let lnum = s:FindPreviousNonCompilerDirectiveLine(a:lnum - 1)
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let previous_code_line = getline(lnum)
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if s:IsAttributeLine(previous_code_line)
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return indent(lnum)
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elseif s:IsRegionDirective(this_line)
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return cindent(lnum)
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else
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return cindent(a:lnum)
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endif
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endfunction
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let b:undo_indent = 'setlocal indentexpr<'
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let &cpoptions = s:save_cpo
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unlet s:save_cpo
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" vim:et:sw=2:sts=2
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