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" Vim indent file
" Language: Cucumber
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
" Last Change: 2017 Jun 13
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal autoindent
setlocal indentexpr=GetCucumberIndent()
setlocal indentkeys=o,O,*<Return>,<:>,0<Bar>,0#,=,!^F
let b:undo_indent = 'setl ai< inde< indk<'
" Only define the function once.
if exists("*GetCucumberIndent")
finish
endif
function! s:syn(lnum)
return synIDattr(synID(a:lnum,1+indent(a:lnum),1),'name')
endfunction
function! GetCucumberIndent()
let line = getline(prevnonblank(v:lnum-1))
let cline = getline(v:lnum)
let nline = getline(nextnonblank(v:lnum+1))
let sw = exists('*shiftwidth') ? shiftwidth() : shiftwidth()
let syn = s:syn(prevnonblank(v:lnum-1))
let csyn = s:syn(v:lnum)
let nsyn = s:syn(nextnonblank(v:lnum+1))
if csyn ==# 'cucumberFeature' || cline =~# '^\s*Feature:'
" feature heading
return 0
elseif csyn ==# 'cucumberExamples' || cline =~# '^\s*\%(Examples\|Scenarios\):'
" examples heading
return 2 * sw
elseif csyn =~# '^cucumber\%(Background\|Scenario\|ScenarioOutline\)$' || cline =~# '^\s*\%(Background\|Scenario\|Scenario Outline\):'
" background, scenario or outline heading
return sw
elseif syn ==# 'cucumberFeature' || line =~# '^\s*Feature:'
" line after feature heading
return sw
elseif syn ==# 'cucumberExamples' || line =~# '^\s*\%(Examples\|Scenarios\):'
" line after examples heading
return 3 * sw
elseif syn =~# '^cucumber\%(Background\|Scenario\|ScenarioOutline\)$' || line =~# '^\s*\%(Background\|Scenario\|Scenario Outline\):'
" line after background, scenario or outline heading
return 2 * sw
elseif cline =~# '^\s*[@#]' && (nsyn == 'cucumberFeature' || nline =~# '^\s*Feature:' || indent(prevnonblank(v:lnum-1)) <= 0)
" tag or comment before a feature heading
return 0
elseif cline =~# '^\s*@'
" other tags
return sw
elseif cline =~# '^\s*[#|]' && line =~# '^\s*|'
" mid-table
" preserve indent
return indent(prevnonblank(v:lnum-1))
elseif cline =~# '^\s*|' && line =~# '^\s*[^|]'
" first line of a table, relative indent
return indent(prevnonblank(v:lnum-1)) + sw
elseif cline =~# '^\s*[^|]' && line =~# '^\s*|'
" line after a table, relative unindent
return indent(prevnonblank(v:lnum-1)) - sw
elseif cline =~# '^\s*#' && getline(v:lnum-1) =~ '^\s*$' && (nsyn =~# '^cucumber\%(Background\|Scenario\|ScenarioOutline\)$' || nline =~# '^\s*\%(Background\|Scenario\|Scenario Outline\):')
" comments on scenarios
return sw
endif
return indent(prevnonblank(v:lnum-1))
endfunction
" vim:set sts=2 sw=2:
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