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# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class HTML < RegexLexer
title "HTML"
desc "HTML, the markup language of the web"
tag 'html'
filenames '*.htm', '*.html', '*.xhtml', '*.cshtml', '*.razor'
mimetypes 'text/html', 'application/xhtml+xml'
def self.detect?(text)
return true if text.doctype?(/\bhtml\b/i)
return false if text =~ /\A<\?xml\b/
return true if text =~ /<\s*html\b/
end
start do
@javascript = Javascript.new(options)
@css = CSS.new(options)
end
state :root do
rule %r/[^<&]+/m, Text
rule %r/&\S*?;/, Name::Entity
rule %r/<!DOCTYPE .*?>/im, Comment::Preproc
rule %r/<!\[CDATA\[.*?\]\]>/m, Comment::Preproc
rule %r/<!--/, Comment, :comment
rule %r/<\?.*?\?>/m, Comment::Preproc # php? really?
rule %r/<\s*script\s*/m do
token Name::Tag
@javascript.reset!
push :script_content
push :tag
end
rule %r/<\s*style\s*/m do
token Name::Tag
@css.reset!
@lang = @css
push :style_content
push :tag
end
rule %r(</), Name::Tag, :tag_end
rule %r/</, Name::Tag, :tag_start
rule %r(<\s*[\p{L}:_-][\p{Word}\p{Cf}:.·-]*), Name::Tag, :tag # opening tags
rule %r(<\s*/\s*[\p{L}:_-][\p{Word}\p{Cf}:.·-]*\s*>), Name::Tag # closing tags
end
state :tag_end do
mixin :tag_end_end
rule %r/[\p{L}:_-][\p{Word}\p{Cf}:.·-]*/ do
token Name::Tag
goto :tag_end_end
end
end
state :tag_end_end do
rule %r/\s+/, Text
rule %r/>/, Name::Tag, :pop!
end
state :tag_start do
rule %r/\s+/, Text
rule %r/[\p{L}:_-][\p{Word}\p{Cf}:.·-]*/ do
token Name::Tag
goto :tag
end
rule(//) { goto :tag }
end
state :comment do
rule %r/[^-]+/, Comment
rule %r/-->/, Comment, :pop!
rule %r/-/, Comment
end
state :tag do
rule %r/\s+/m, Text
rule %r/[\p{L}:_\[\]()*.-][\p{Word}\p{Cf}:.·\[\]()*-]*\s*=\s*/m, Name::Attribute, :attr
rule %r/[\p{L}:_*#-][\p{Word}\p{Cf}:.·*#-]*/, Name::Attribute
rule %r(/?\s*>)m, Name::Tag, :pop!
end
state :attr do
# TODO: are backslash escapes valid here?
rule %r/"/ do
token Str
goto :dq
end
rule %r/'/ do
token Str
goto :sq
end
rule %r/[^\s>]+/, Str, :pop!
end
state :dq do
rule %r/"/, Str, :pop!
rule %r/[^"]+/, Str
end
state :sq do
rule %r/'/, Str, :pop!
rule %r/[^']+/, Str
end
state :script_content do
rule %r([^<]+) do
delegate @javascript
end
rule %r(<\s*/\s*script\s*>)m, Name::Tag, :pop!
rule %r(<) do
delegate @javascript
end
end
state :style_content do
rule %r/[^<]+/ do
delegate @lang
end
rule %r(<\s*/\s*style\s*>)m, Name::Tag, :pop!
rule %r/</ do
delegate @lang
end
end
end
end
end
|
