99 lines
2.7 KiB
VimL
99 lines
2.7 KiB
VimL
" Vim indent file
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" Language: Cucumber
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" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
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" Last Change: 2023 Dec 28
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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 autoindent
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setlocal indentexpr=GetCucumberIndent()
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setlocal indentkeys=o,O,*<Return>,<:>,0<Bar>,0#,=,!^F
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let b:undo_indent = 'setl ai< inde< indk<'
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" Only define the function once.
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if exists("*GetCucumberIndent")
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finish
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endif
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let s:headings = {
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\ 'Feature': 'feature',
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\ 'Rule': 'rule',
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\ 'Background': 'bg_or_scenario',
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\ 'Scenario': 'bg_or_scenario',
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\ 'ScenarioOutline': 'bg_or_scenario',
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\ 'Examples': 'examples',
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\ 'Scenarios': 'examples'}
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function! s:Line(lnum) abort
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if getline(a:lnum) =~# ':'
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let group = matchstr(synIDattr(synID(a:lnum,1+indent(a:lnum), 1), 'name'), '^cucumber\zs.*')
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if !has_key(s:headings, group)
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let group = substitute(matchstr(getline(a:lnum), '^\s*\zs\%([^:]\+\)\ze:\S\@!'), '\s\+', '', 'g')
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endif
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else
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let group = ''
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endif
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let char = matchstr(getline(a:lnum), '^\s*\zs[[:punct:]]')
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return {
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\ 'lnum': a:lnum,
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\ 'indent': indent(a:lnum),
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\ 'heading': get(s:headings, group, ''),
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\ 'tag': char ==# '@',
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\ 'table': char ==# '|',
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\ 'comment': char ==# '#',
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\ }
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endfunction
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function! GetCucumberIndent(...) abort
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let lnum = a:0 ? a:1 : v:lnum
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let sw = shiftwidth()
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let prev = s:Line(prevnonblank(lnum-1))
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let curr = s:Line(lnum)
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let next = s:Line(nextnonblank(lnum+1))
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if curr.heading ==# 'feature'
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" feature heading
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return 0
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elseif curr.heading ==# 'examples'
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" examples heading
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return 2 * sw
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elseif curr.heading ==# 'bg_or_scenario'
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" background, scenario or outline heading
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return sw
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elseif prev.heading ==# 'feature'
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" line after feature heading
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return sw
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elseif prev.heading ==# 'examples'
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" line after examples heading
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return 3 * sw
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elseif prev.heading ==# 'bg_or_scenario'
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" line after background, scenario or outline heading
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return 2 * sw
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elseif (curr.tag || curr.comment) && (next.heading ==# 'feature' || prev.indent <= 0)
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" tag or comment before a feature heading
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return 0
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elseif curr.tag
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" other tags
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return sw
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elseif (curr.table || curr.comment) && prev.table
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" mid-table
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" preserve indent
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return prev.indent
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elseif curr.table && !prev.table
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" first line of a table, relative indent
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return prev.indent + sw
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elseif !curr.table && prev.table
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" line after a table, relative unindent
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return prev.indent - sw
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elseif curr.comment && getline(v:lnum-1) =~# '^\s*$' && next.heading ==# 'bg_or_scenario'
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" comments on scenarios
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return sw
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endif
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return prev.indent < 0 ? 0 : prev.indent
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endfunction
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" vim:set sts=2 sw=2:
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