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|
# frozen_string_literal: true
module Rouge
module Lexers
load_lexer 'html.rb'
class Vue < HTML
desc 'Vue.js single-file components'
tag 'vue'
aliases 'vuejs'
filenames '*.vue'
mimetypes 'text/x-vue', 'application/x-vue'
def initialize(*)
super
@js = Javascript.new(options)
end
def lookup_lang(lang)
lang.downcase!
lang = lang.gsub(/["']*/, '')
case lang
when 'html' then HTML
when 'css' then CSS
when 'javascript' then Javascript
when 'sass' then Sass
when 'scss' then Scss
when 'coffee' then Coffeescript
# TODO: add more when the lexers are done
else
PlainText
end
end
start { @js.reset! }
prepend :root do
rule %r/(<)(\s*)(template)/ do
groups Name::Tag, Text, Keyword
@lang = HTML
push :template
push :lang_tag
end
rule %r/(<)(\s*)(style)/ do
groups Name::Tag, Text, Keyword
@lang = CSS
push :style
push :lang_tag
end
rule %r/(<)(\s*)(script)/ do
groups Name::Tag, Text, Keyword
@lang = Javascript
push :script
push :lang_tag
end
end
prepend :tag do
rule %r/[a-zA-Z0-9_:#\[\]()*.-]+\s*=\s*/m, Name::Attribute, :attr
end
state :style do
rule %r/(<\s*\/\s*)(style)(\s*>)/ do
groups Name::Tag, Keyword, Name::Tag
pop!
end
mixin :style_content
mixin :embed
end
state :script do
rule %r/(<\s*\/\s*)(script)(\s*>)/ do
groups Name::Tag, Keyword, Name::Tag
pop!
end
mixin :script_content
mixin :embed
end
state :lang_tag do
rule %r/(lang\s*=)(\s*)("(?:\\.|[^\\])*?"|'(\\.|[^\\])*?'|[^\s>]+)/ do |m|
groups Name::Attribute, Text, Str
@lang = lookup_lang(m[3])
end
mixin :tag
end
state :template do
rule %r((<\s*/\s*)(template)(\s*>)) do
groups Name::Tag, Keyword, Name::Tag
pop!
end
rule %r/{{/ do
token Str::Interpol
push :template_interpol
@js.reset!
end
mixin :embed
end
state :template_interpol do
rule %r/}}/, Str::Interpol, :pop!
rule %r/}/, Error
mixin :template_interpol_inner
end
state :template_interpol_inner do
rule(/{/) { delegate @js; push }
rule(/}/) { delegate @js; pop! }
rule(/[^{}]+/) { delegate @js }
end
state :embed do
rule(/[^{<]+/) { delegate @lang }
rule(/[<{][^<{]*/) { delegate @lang }
end
end
end
end
|
