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52 lines
941 B
52 lines
941 B
4 years ago
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////
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Included in:
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- user-manual: Extensions: Block macro processor example
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////
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Purpose::
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Create a block macro named `gist` for embedding a gist.
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.sample-with-gist-macro.adoc
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```
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.My Gist
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gist::123456[]
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```
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.GistBlockMacro
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```ruby
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require 'asciidoctor'
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require 'asciidoctor/extensions'
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class GistBlockMacro < Asciidoctor::Extensions::BlockMacroProcessor
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use_dsl
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named :gist
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def process parent, target, attrs
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title_html = (attrs.has_key? 'title') ?
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%(<div class="title">#{attrs['title']}</div>\n) : nil
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html = %(<div class="openblock gist">
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#{title_html}<div class="content">
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<script src="https://gist.github.com/#{target}.js"></script>
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</div>
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</div>)
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create_pass_block parent, html, attrs, subs: nil
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end
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end
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```
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.Usage
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```ruby
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Asciidoctor::Extensions.register do
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block_macro GistBlockMacro if document.basebackend? 'html'
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end
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Asciidoctor.convert_file 'sample-with-gist.adoc', :safe => :safe
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```
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