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module Jekyll
module AsciiDoc
module Filters
# A Liquid filter for converting an AsciiDoc string to HTML using {Converter#convert}.
#
# @param input [String] the AsciiDoc String to convert.
# @param doctype [String] the target AsciiDoc doctype.
#
# @example Convert the AsciiDoc page excerpt to inline HTML
# {{ page.excerpt | asciidocify: 'inline' }}
#
# @return [String] the converted result as an HTML-formatted String.
def asciidocify input, doctype = nil
(@context.registers[:cached_asciidoc_converter] ||= (Converter.get_instance @context.registers[:site]))
.convert(doctype ? %(:doctype: #{doctype}#{Utils::NewLine}#{input}) : (input || ''))
end
# A Liquid filter for generating an HTML table of contents from a parsed AsciiDoc document.
#
# @param document [Asciidoctor::Document] the parsed AsciiDoc document for which to generate an HTML table of
# contents.
# @param levels [Integer] the maximum section depth to use; if not specified, uses the value of toclevels document
# attribute.
#
# @example Generate a table of contents from the document for the current page
# {{ page.document | tocify_asciidoc: 3 }}
#
# @return [String] the table of contents as an HTML-formatted String.
def tocify_asciidoc document, levels = nil
::Asciidoctor::Document === document ?
(document.converter.convert document, 'outline', toclevels: (levels.nil_or_empty? ? nil : levels.to_i)) : nil
end
end
::Liquid::Template.register_filter Filters
end
end
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