if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'handlebars') == -1
" Mustache & Handlebars syntax
" Language: Mustache, Handlebars
" Maintainer: Juvenn Woo <machese@gmail.com>
" Screenshot: http://imgur.com/6F408
" Version: 2
" Last Change: Oct 10th 2015
" 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 line = getline(lnum)
let cline = getline(v:lnum)
" all indent rules only apply if the block opening/closing
" tag is on a separate line
" indent after block {{#block
if line =~# '\v\s*\{\{\#.*\s*'
let ind = ind + sw
endif
" unindent after block close {{/block}}
if cline =~# '\v^\s*\{\{\/\S*\}\}\s*'
let ind = ind - sw
endif
" unindent {{else}}
if cline =~# '\v^\s*\{\{else.*\}\}\s*$'
let ind = ind - sw
endif
" indent again after {{else}}
if line =~# '\v^\s*\{\{else.*\}\}\s*$'
let ind = ind + sw
endif
return ind
endfunction
endif
