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