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2202
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1 " Vim syntax file
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2 " Language: Liquid
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3 " Maintainer: Tim Pope <vimNOSPAM@tpope.org>
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4 " Filenames: *.liquid
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5 " Last Change: 2010 May 21
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6
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7 if exists('b:current_syntax')
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8 finish
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9 endif
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10
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11 if !exists('main_syntax')
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12 let main_syntax = 'liquid'
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13 endif
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14
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15 if !exists('g:liquid_default_subtype')
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16 let g:liquid_default_subtype = 'html'
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17 endif
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18
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19 if !exists('b:liquid_subtype') && main_syntax == 'liquid'
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20 let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
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21 let b:liquid_subtype = matchstr(s:lines,'liquid_subtype=\zs\w\+')
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22 if b:liquid_subtype == ''
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23 let b:liquid_subtype = matchstr(&filetype,'^liquid\.\zs\w\+')
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24 endif
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25 if b:liquid_subtype == ''
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26 let b:liquid_subtype = matchstr(substitute(expand('%:t'),'\c\%(\.liquid\)\+$','',''),'\.\zs\w\+$')
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27 endif
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28 if b:liquid_subtype == ''
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29 let b:liquid_subtype = g:liquid_default_subtype
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30 endif
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31 endif
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32
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33 if exists('b:liquid_subtype') && b:liquid_subtype != ''
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34 exe 'runtime! syntax/'.b:liquid_subtype.'.vim'
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35 unlet! b:current_syntax
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36 endif
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37
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38 syn case match
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39
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40 if exists('b:liquid_subtype') && b:liquid_subtype != 'yaml'
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41 " YAML Front Matter
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42 syn include @liquidYamlTop syntax/yaml.vim
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43 unlet! b:current_syntax
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44 syn region liquidYamlHead start="\%^---$" end="^---\s*$" keepend contains=@liquidYamlTop,@Spell
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45 endif
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46
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47 if !exists('g:liquid_highlight_types')
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48 let g:liquid_highlight_types = []
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49 endif
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50
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51 if !exists('s:subtype')
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52 let s:subtype = exists('b:liquid_subtype') ? b:liquid_subtype : ''
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53
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54 for s:type in map(copy(g:liquid_highlight_types),'matchstr(v:val,"[^=]*$")')
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55 if s:type =~ '\.'
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56 let b:{matchstr(s:type,'[^.]*')}_subtype = matchstr(s:type,'\.\zs.*')
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57 endif
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58 exe 'syn include @liquidHighlight'.substitute(s:type,'\.','','g').' syntax/'.matchstr(s:type,'[^.]*').'.vim'
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59 unlet! b:current_syntax
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60 endfor
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61 unlet! s:type
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62
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63 if s:subtype == ''
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64 unlet! b:liquid_subtype
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65 else
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66 let b:liquid_subtype = s:subtype
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67 endif
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68 unlet s:subtype
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69 endif
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70
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71 syn region liquidStatement matchgroup=liquidDelimiter start="{%" end="%}" contains=@liquidStatement containedin=ALLBUT,@liquidExempt keepend
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72 syn region liquidExpression matchgroup=liquidDelimiter start="{{" end="}}" contains=@liquidExpression containedin=ALLBUT,@liquidExempt keepend
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73 syn region liquidComment matchgroup=liquidDelimiter start="{%\s*comment\s*%}" end="{%\s*endcomment\s*%}" contains=liquidTodo,@Spell containedin=ALLBUT,@liquidExempt keepend
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74
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75 syn cluster liquidExempt contains=liquidStatement,liquidExpression,liquidComment,@liquidStatement,liquidYamlHead
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76 syn cluster liquidStatement contains=liquidConditional,liquidRepeat,liquidKeyword,@liquidExpression
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77 syn cluster liquidExpression contains=liquidOperator,liquidString,liquidNumber,liquidFloat,liquidBoolean,liquidNull,liquidEmpty,liquidPipe,liquidForloop
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78
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79 syn keyword liquidKeyword highlight nextgroup=liquidTypeHighlight skipwhite contained
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80 syn keyword liquidKeyword endhighlight contained
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81 syn region liquidHighlight start="{%\s*highlight\s\+\w\+\s*%}" end="{% endhighlight %}" keepend
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82
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83 for s:type in g:liquid_highlight_types
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84 exe 'syn match liquidTypeHighlight "\<'.matchstr(s:type,'[^=]*').'\>" contained'
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85 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')
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86 endfor
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87 unlet! s:type
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88
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89 syn region liquidString matchgroup=liquidQuote start=+"+ end=+"+ contained
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90 syn region liquidString matchgroup=liquidQuote start=+'+ end=+'+ contained
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91 syn match liquidNumber "-\=\<\d\+\>" contained
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92 syn match liquidFloat "-\=\<\d\+\>\.\.\@!\%(\d\+\>\)\=" contained
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93 syn keyword liquidBoolean true false contained
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94 syn keyword liquidNull null nil contained
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95 syn match liquidEmpty "\<empty\>" contained
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96
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97 syn keyword liquidOperator and or not contained
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98 syn match liquidPipe '|' contained skipwhite nextgroup=liquidFilter
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99
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100 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
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101
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102 syn keyword liquidConditional if elsif else endif unless endunless case when endcase ifchanged endifchanged contained
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103 syn keyword liquidRepeat for endfor tablerow endtablerow in contained
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104 syn match liquidRepeat "\%({%\s*\)\@<=empty\>" contained
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105 syn keyword liquidKeyword assign cycle include with contained
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106
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107 syn keyword liquidForloop forloop nextgroup=liquidForloopDot contained
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108 syn match liquidForloopDot "\." nextgroup=liquidForloopAttribute contained
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109 syn keyword liquidForloopAttribute length index index0 rindex rindex0 first last contained
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110
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111 syn keyword liquidTablerowloop tablerowloop nextgroup=liquidTablerowloopDot contained
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112 syn match liquidTablerowloopDot "\." nextgroup=liquidTableForloopAttribute contained
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113 syn keyword liquidTablerowloopAttribute length index index0 col col0 index0 rindex rindex0 first last col_first col_last contained
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114
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115 hi def link liquidDelimiter PreProc
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116 hi def link liquidComment Comment
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117 hi def link liquidTypeHighlight Type
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118 hi def link liquidConditional Conditional
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119 hi def link liquidRepeat Repeat
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120 hi def link liquidKeyword Keyword
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121 hi def link liquidOperator Operator
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122 hi def link liquidString String
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123 hi def link liquidQuote Delimiter
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124 hi def link liquidNumber Number
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125 hi def link liquidFloat Float
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126 hi def link liquidEmpty liquidNull
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127 hi def link liquidNull liquidBoolean
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128 hi def link liquidBoolean Boolean
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129 hi def link liquidFilter Function
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130 hi def link liquidForloop Identifier
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131 hi def link liquidForloopAttribute Identifier
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132
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133 let b:current_syntax = 'liquid'
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134
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135 if exists('main_syntax') && main_syntax == 'liquid'
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136 unlet main_syntax
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137 endif
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