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if !has_key(g:polyglot_is_disabled, 'handlebars')
finish
endif
" Mustache & Handlebars syntax
" Language: Mustache, Handlebars
" Maintainer: Juvenn Woo <machese@gmail.com>
" Screenshot: http://imgur.com/6F408
" Version: 3
" Last Change: 26 Nov 2018
" Remarks: based on eruby indent plugin by tpope
" References:
" [Mustache](http://github.com/defunkt/mustache)
" [Handlebars](https://github.com/wycats/handlebars.js)
" [ctemplate](http://code.google.com/p/google-ctemplate/)
" [ctemplate doc](http://google-ctemplate.googlecode.com/svn/trunk/doc/howto.html)
" [et](http://www.ivan.fomichev.name/2008/05/erlang-template-engine-prototype.html)
if exists("b:did_indent_hbs")
finish
endif
unlet! b:did_indent
setlocal indentexpr=
runtime! indent/html.vim
unlet! b:did_indent
" Force HTML indent to not keep state.
let b:html_indent_usestate = 0
if &l:indentexpr == ''
if &l:cindent
let &l:indentexpr = 'cindent(v:lnum)'
else
let &l:indentexpr = 'indent(prevnonblank(v:lnum-1))'
endif
endif
let b:handlebars_subtype_indentexpr = &l:indentexpr
let b:did_indent = 1
let b:did_indent_hbs = 1
setlocal indentexpr=GetHandlebarsIndent()
setlocal indentkeys=o,O,*<Return>,<>>,{,},0),0],o,O,!^F,=end,=else,=elsif,=rescue,=ensure,=when
" Only define the function once.
if exists("*GetHandlebarsIndent")
finish
endif
function! GetHandlebarsIndent(...)
" The value of a single shift-width
if exists('*shiftwidth')
let sw = shiftwidth()
else
let sw = &sw
endif
if a:0 && a:1 == '.'
let v:lnum = line('.')
elseif a:0 && a:1 =~ '^\d'
let v:lnum = a:1
endif
let vcol = col('.')
call cursor(v:lnum,1)
call cursor(v:lnum,vcol)
exe "let ind = ".b:handlebars_subtype_indentexpr
" Workaround for Andy Wokula's HTML indent. This should be removed after
" some time, since the newest version is fixed in a different way.
if b:handlebars_subtype_indentexpr =~# '^HtmlIndent('
\ && exists('b:indent')
\ && type(b:indent) == type({})
\ && has_key(b:indent, 'lnum')
" Force HTML indent to not keep state
let b:indent.lnum = -1
endif
let lnum = prevnonblank(v:lnum-1)
let prevLine = getline(lnum)
let currentLine = getline(v:lnum)
" all indent rules only apply if the block opening/closing
" tag is on a separate line
" indent after block {{#block
if prevLine =~# '\v\s*\{\{[#^].*\s*'
let ind = ind + sw
endif
" but not if the block ends on the same line
if prevLine =~# '\v\s*\{\{\#(.+)(\s+|\}\}).*\{\{\/\1'
let ind = ind - sw
endif
" unindent after block close {{/block}}
if currentLine =~# '\v^\s*\{\{\/\S*\}\}\s*'
let ind = ind - sw
endif
" indent after component block {{a-component
if prevLine =~# '\v\s*\{\{\w'
let ind = ind + sw
endif
" but not if the component block ends on the same line
if prevLine =~# '\v\s*\{\{\w(.+)\}\}'
let ind = ind - sw
endif
" unindent }} lines, and following lines if not inside a block expression
let savedPos = getpos('.')
if currentLine =~# '\v^\s*\}\}\s*$' || (currentLine !~# '\v^\s*\{\{\/' && prevLine =~# '\v^\s*[^\{\} \t]+\}\}\s*$')
let closingLnum = search('}}\s*$', 'Wbc', lnum)
let [openingLnum, col] = searchpairpos('{{', '', '}}', 'Wb')
if openingLnum > 0 && closingLnum > 0
if strpart(getline(openingLnum), col - 1, 3) !~ '{{[#^]'
let ind = ind - sw
endif
else
call setpos('.', savedPos)
endif
endif
" unindent {{else}}
if currentLine =~# '\v^\s*\{\{else.*\}\}\s*$'
let ind = ind - sw
endif
" indent again after {{else}}
if prevLine =~# '\v^\s*\{\{else.*\}\}\s*$'
let ind = ind + sw
endif
return ind
endfunction
|
