rf-web/vendor/bundle/gems/rouge-3.12.0/lib/rouge/lexers/handlebars.rb

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2019-10-21 08:18:17 +00:00
# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class Handlebars < TemplateLexer
title "Handlebars"
desc 'the Handlebars and Mustache templating languages'
tag 'handlebars'
aliases 'hbs', 'mustache'
filenames '*.handlebars', '*.hbs', '*.mustache'
mimetypes 'text/x-handlebars', 'text/x-mustache'
id = %r([\w$-]+)
state :root do
# escaped slashes
rule(/\\{+/) { delegate parent }
# block comments
rule %r/{{!--/, Comment, :comment
rule %r/{{!.*?}}/, Comment
rule %r/{{{?/ do
token Keyword
push :stache
push :open_sym
end
rule(/(.+?)(?=\\|{{)/m) do
delegate parent
# if parent state is attr, then we have an html attribute without quotes
# pop the parent state to return to the tag state
if parent.state?('attr')
parent.pop!
end
end
# if we get here, there's no more mustache tags, so we eat
# the rest of the doc
rule(/.+/m) { delegate parent }
end
state :comment do
rule(/{{/) { token Comment; push }
rule(/}}/) { token Comment; pop! }
rule(/[^{}]+/m) { token Comment }
rule(/[{}]/) { token Comment }
end
state :stache do
rule %r/}}}?/, Keyword, :pop!
rule %r/\|/, Punctuation
rule %r/~/, Keyword
rule %r/\s+/m, Text
rule %r/[=]/, Operator
rule %r/[\[\]]/, Punctuation
rule %r/[\(\)]/, Punctuation
rule %r/[.](?=[}\s])/, Name::Variable
rule %r/[.][.]/, Name::Variable
rule %r([/.]), Punctuation
rule %r/"(\\.|.)*?"/, Str::Double
rule %r/'(\\.|.)*?'/, Str::Single
rule %r/\d+(?=}\s)/, Num
rule %r/(true|false)(?=[}\s])/, Keyword::Constant
rule %r/else(?=[}\s])/, Keyword
rule %r/this(?=[}\s])/, Name::Builtin::Pseudo
rule %r/@#{id}/, Name::Attribute
rule id, Name::Variable
end
state :open_sym do
rule %r([#/]) do
token Keyword
goto :block_name
end
rule %r/[>^&~]/, Keyword
rule(//) { pop! }
end
state :block_name do
rule %r/if(?=[}\s])/, Keyword
rule id, Name::Namespace, :pop!
rule(//) { pop! }
end
end
end
end