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Fernando Apesteguía
45 lines
1.3 KiB
Ruby
45 lines
1.3 KiB
Ruby
require 'asciidoctor/extensions' unless RUBY_ENGINE == 'opal'
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include ::Asciidoctor
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class InterDocumentReferencesMacro < Asciidoctor::Extensions::InlineMacroProcessor
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use_dsl
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# Macro to handle cross references to different files in the same book.
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named :crossref
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def process parent, target, attrs
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anchor = attrs[1]
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text = attrs[2]
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if text.nil? || text.empty?
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warn "Crossref '#{anchor}' needs a description."
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end
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doc = parent.document
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if doc.backend == 'html5'
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if doc.attributes['book'] == "true"
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if doc.attributes['isonline'] == "1"
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(create_anchor parent, text, type: :link, target: %(./##{anchor})).render
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else
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(create_anchor parent, text, type: :link, target: %(./index.html##{anchor})).render
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end
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else
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if doc.attributes['isonline'] == "1"
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(create_anchor parent, text, type: :link, target: %(../#{target}/##{anchor})).render
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else
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(create_anchor parent, text, type: :link, target: %(../#{target}/index.html##{anchor})).render
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end
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end
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else
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xref_attrs = { 'refid' => anchor }
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xref_node = create_anchor parent, text, type: :xref, target: target, attributes: xref_attrs
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# Return the node
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xref_node
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end
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end # process
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end # class
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