125 lines
2.7 KiB
Ruby
125 lines
2.7 KiB
Ruby
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# frozen_string_literal: true
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module Rouge
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module Lexers
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load_lexer 'html.rb'
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class Vue < HTML
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desc 'Vue.js single-file components'
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tag 'vue'
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aliases 'vuejs'
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filenames '*.vue'
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mimetypes 'text/x-vue', 'application/x-vue'
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def initialize(*)
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super
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@js = Javascript.new(options)
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end
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def lookup_lang(lang)
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lang.downcase!
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lang = lang.gsub(/["']*/, '')
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case lang
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when 'html' then HTML
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when 'css' then CSS
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when 'javascript' then Javascript
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when 'sass' then Sass
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when 'scss' then Scss
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when 'coffee' then Coffeescript
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# TODO: add more when the lexers are done
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else
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PlainText
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end
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end
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start { @js.reset! }
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prepend :root do
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rule %r/(<)(\s*)(template)/ do
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groups Name::Tag, Text, Keyword
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@lang = HTML
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push :template
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push :lang_tag
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end
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rule %r/(<)(\s*)(style)/ do
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groups Name::Tag, Text, Keyword
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@lang = CSS
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push :style
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push :lang_tag
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end
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rule %r/(<)(\s*)(script)/ do
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groups Name::Tag, Text, Keyword
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@lang = Javascript
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push :script
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push :lang_tag
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end
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end
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state :style do
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rule %r/(<\s*\/\s*)(style)(\s*>)/ do
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groups Name::Tag, Keyword, Name::Tag
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pop!
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end
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mixin :style_content
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mixin :embed
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end
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state :script do
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rule %r/(<\s*\/\s*)(script)(\s*>)/ do
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groups Name::Tag, Keyword, Name::Tag
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pop!
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end
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mixin :script_content
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mixin :embed
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end
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state :lang_tag do
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rule %r/(lang\s*=)(\s*)("(?:\\.|[^\\])*?"|'(\\.|[^\\])*?'|[^\s>]+)/ do |m|
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groups Name::Attribute, Text, Str
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@lang = lookup_lang(m[3])
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end
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mixin :tag
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end
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state :template do
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rule %r((<\s*/\s*)(template)(\s*>)) do
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groups Name::Tag, Keyword, Name::Tag
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pop!
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end
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rule %r/{{/ do
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token Str::Interpol
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push :template_interpol
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@js.reset!
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end
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mixin :embed
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end
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state :template_interpol do
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rule %r/}}/, Str::Interpol, :pop!
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rule %r/}/, Error
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mixin :template_interpol_inner
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end
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state :template_interpol_inner do
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rule(/{/) { delegate @js; push }
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rule(/}/) { delegate @js; pop! }
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rule(/[^{}]+/) { delegate @js }
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end
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state :embed do
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rule(/[^{<]+/) { delegate @lang }
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rule(/[<{][^<{]*/) { delegate @lang }
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end
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end
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end
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end
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