104 lines
2.1 KiB
Ruby
104 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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module Rouge
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module Lexers
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load_lexer 'javascript.rb'
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class JSX < Javascript
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title 'JSX'
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desc 'React JSX (https://facebook.github.io/react/)'
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tag 'jsx'
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aliases 'jsx', 'react'
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filenames '*.jsx'
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mimetypes 'text/x-jsx', 'application/x-jsx'
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id = Javascript.id_regex
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def start_embed!
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@embed ||= JSX.new(options)
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@embed.reset!
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@embed.push(:expr_start)
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push :jsx_embed_root
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end
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def tag_token(name)
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name[0] =~ /\p{Lower}/ ? Name::Tag : Name::Class
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end
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start { @html = HTML.new(options) }
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state :jsx_tags do
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rule /</, Punctuation, :jsx_element
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end
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state :jsx_internal do
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rule %r(</) do
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token Punctuation
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goto :jsx_end_tag
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end
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rule /{/ do
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token Str::Interpol
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start_embed!
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end
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rule /[^<>{]+/ do
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delegate @html
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end
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mixin :jsx_tags
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end
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prepend :expr_start do
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mixin :jsx_tags
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end
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state :jsx_tag do
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mixin :comments_and_whitespace
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rule /#{id}/ do |m|
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token tag_token(m[0])
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end
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rule /[.]/, Punctuation
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end
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state :jsx_end_tag do
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mixin :jsx_tag
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rule />/, Punctuation, :pop!
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end
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state :jsx_element do
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rule /#{id}=/, Name::Attribute, :jsx_attribute
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mixin :jsx_tag
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rule />/ do token Punctuation; goto :jsx_internal end
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rule %r(/>), Punctuation, :pop!
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end
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state :jsx_attribute do
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rule /"(\\[\\"]|[^"])*"/, Str::Double, :pop!
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rule /'(\\[\\']|[^'])*'/, Str::Single, :pop!
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rule /{/ do
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token Str::Interpol
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pop!
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start_embed!
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end
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end
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state :jsx_embed_root do
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rule /[.][.][.]/, Punctuation
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rule /}/, Str::Interpol, :pop!
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mixin :jsx_embed
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end
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state :jsx_embed do
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rule /{/ do delegate @embed; push :jsx_embed end
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rule /}/ do delegate @embed; pop! end
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rule /[^{}]+/ do
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delegate @embed
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end
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end
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end
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end
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end
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