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32 lines
674 B
Ruby
32 lines
674 B
Ruby
#!/usr/bin/env ruby
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# https://cirosantilli.com/linux-kernel-module-cheat#asciidoctor-link-target-up-rb
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require 'asciidoctor'
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require 'asciidoctor/extensions'
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class LinkTargetUp < Asciidoctor::Extensions::InlineMacroProcessor
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use_dsl
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named :link
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ExternalLinkRegex = /^https?:\/\//
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def target_base
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'..'
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end
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def process parent, target, attrs
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text = attrs[1]
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if text.nil? || text.empty?
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text = target
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end
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if !ExternalLinkRegex.match?(target)
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target = File.join(target_base, target)
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end
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create_anchor parent, text, type: :link, target: target
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end
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end
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Asciidoctor::Extensions.register do
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inline_macro LinkTargetUp
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end
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