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" Vim syntax file
" Language: Liquid
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
" Filenames: *.liquid
" Last Change: 2013 May 30
if exists('b:current_syntax')
finish
endif
if !exists('main_syntax')
let main_syntax = 'liquid'
endif
if !exists('g:liquid_default_subtype')
let g:liquid_default_subtype = 'html'
endif
if !exists('b:liquid_subtype') && main_syntax ==
'liquid'
let s:lines =
getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
let b:liquid_subtype =
matchstr(s:lines,'liquid_subtype=\zs\w\+')
if b:liquid_subtype == ''
let b:liquid_subtype =
matchstr(&filetype,'^liquid\.\zs\w\+')
endif
if b:liquid_subtype == ''
let b:liquid_subtype =
matchstr(substitute(expand('%:t'),'\c\%(\.liquid\)\+$','',''),'\.\zs\w\+$')
endif
if b:liquid_subtype == ''
let b:liquid_subtype = g:liquid_default_subtype
endif
endif
if exists('b:liquid_subtype') && b:liquid_subtype !=
''
exe 'runtime! syntax/'.b:liquid_subtype.'.vim'
unlet! b:current_syntax
endif
syn case match
if exists('b:liquid_subtype') && b:liquid_subtype !=
'yaml'
" YAML Front Matter
syn include @liquidYamlTop syntax/yaml.vim
unlet! b:current_syntax
syn region liquidYamlHead start="\%^---$"
end="^---\s*$" keepend contains=@liquidYamlTop,@Spell
endif
if !exists('g:liquid_highlight_types')
let g:liquid_highlight_types = []
endif
if !exists('s:subtype')
let s:subtype = exists('b:liquid_subtype') ? b:liquid_subtype :
''
for s:type in
map(copy(g:liquid_highlight_types),'matchstr(v:val,"[^=]*$")')
if s:type =~ '\.'
let b:{matchstr(s:type,'[^.]*')}_subtype =
matchstr(s:type,'\.\zs.*')
endif
exe 'syn include
@liquidHighlight'.substitute(s:type,'\.','','g').'
syntax/'.matchstr(s:type,'[^.]*').'.vim'
unlet! b:current_syntax
endfor
unlet! s:type
if s:subtype == ''
unlet! b:liquid_subtype
else
let b:liquid_subtype = s:subtype
endif
unlet s:subtype
endif
syn region liquidStatement matchgroup=liquidDelimiter
start="{%" end="%}" contains=@liquidStatement
containedin=ALLBUT,@liquidExempt keepend
syn region liquidExpression matchgroup=liquidDelimiter
start="{{" end="}}" contains=@liquidExpression
containedin=ALLBUT,@liquidExempt keepend
syn region liquidComment matchgroup=liquidDelimiter
start="{%\s*comment\s*%}" end="{%\s*endcomment\s*%}"
contains=liquidTodo,@Spell containedin=ALLBUT,@liquidExempt keepend
syn region liquidRaw matchgroup=liquidDelimiter
start="{%\s*raw\s*%}" end="{%\s*endraw\s*%}"
contains=TOP,@liquidExempt containedin=ALLBUT,@liquidExempt keepend
syn cluster liquidExempt
contains=liquidStatement,liquidExpression,liquidComment,liquidRaw,@liquidStatement,liquidYamlHead
syn cluster liquidStatement
contains=liquidConditional,liquidRepeat,liquidKeyword,@liquidExpression
syn cluster liquidExpression
contains=liquidOperator,liquidString,liquidNumber,liquidFloat,liquidBoolean,liquidNull,liquidEmpty,liquidPipe,liquidForloop
syn keyword liquidKeyword highlight nextgroup=liquidTypeHighlight skipwhite
contained
syn keyword liquidKeyword endhighlight contained
syn region liquidHighlight start="{%\s*highlight\s\+\w\+\s*%}"
end="{% endhighlight %}" keepend
for s:type in g:liquid_highlight_types
exe 'syn match liquidTypeHighlight
"\<'.matchstr(s:type,'[^=]*').'\>"
contained'
exe 'syn region
liquidHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\..*','','').'
start="{%\s*highlight\s\+'.matchstr(s:type,'[^=]*').'\s*%}"
end="{% endhighlight %}" keepend
contains=@liquidHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\.','','g')
endfor
unlet! s:type
syn region liquidString matchgroup=liquidQuote start=+"+ end=+"+
contained
syn region liquidString matchgroup=liquidQuote start=+'+ end=+'+
contained
syn match liquidNumber "-\=\<\d\+\>" contained
syn match liquidFloat "-\=\<\d\+\>\.\.\@!\%(\d\+\>\)\="
contained
syn keyword liquidBoolean true false contained
syn keyword liquidNull null nil contained
syn match liquidEmpty "\<empty\>" contained
syn keyword liquidOperator and or not contained
syn match liquidPipe '|' contained skipwhite
nextgroup=liquidFilter
syn keyword liquidFilter date capitalize downcase upcase first last join
sort size strip_html strip_newlines newline_to_br replace replace_first
remove remove_first truncate truncatewords prepend append minus plus times
divided_by contained
syn keyword liquidConditional if elsif else endif unless endunless case
when endcase ifchanged endifchanged contained
syn keyword liquidRepeat for endfor tablerow endtablerow in contained
syn match liquidRepeat "\%({%\s*\)\@<=empty\>"
contained
syn keyword liquidKeyword assign cycle include with contained
syn keyword liquidForloop forloop nextgroup=liquidForloopDot contained
syn match liquidForloopDot "\." nextgroup=liquidForloopAttribute
contained
syn keyword liquidForloopAttribute length index index0 rindex rindex0 first
last contained
syn keyword liquidTablerowloop tablerowloop nextgroup=liquidTablerowloopDot
contained
syn match liquidTablerowloopDot "\."
nextgroup=liquidTableForloopAttribute contained
syn keyword liquidTablerowloopAttribute length index index0 col col0 index0
rindex rindex0 first last col_first col_last contained
hi def link liquidDelimiter PreProc
hi def link liquidComment Comment
hi def link liquidTypeHighlight Type
hi def link liquidConditional Conditional
hi def link liquidRepeat Repeat
hi def link liquidKeyword Keyword
hi def link liquidOperator Operator
hi def link liquidString String
hi def link liquidQuote Delimiter
hi def link liquidNumber Number
hi def link liquidFloat Float
hi def link liquidEmpty liquidNull
hi def link liquidNull liquidBoolean
hi def link liquidBoolean Boolean
hi def link liquidFilter Function
hi def link liquidForloop Identifier
hi def link liquidForloopAttribute Identifier
let b:current_syntax = 'liquid'
if exists('main_syntax') && main_syntax ==
'liquid'
unlet main_syntax
endif