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|
= Block Macro Processor Extension Example
:navtitle: Block Macro Processor
Purpose::
Create a block macro named `gist` for embedding a gist.
== sample-with-gist-macro.adoc
[,asciidoc]
----
.My Gist
gist::123456[]
----
== GistBlockMacro
[,ruby]
----
class GistBlockMacro < Asciidoctor::Extensions::BlockMacroProcessor
use_dsl
named :gist
def process parent, target, attrs
title_html = (attrs.has_key? 'title') ?
%(<div class="title">#{attrs['title']}</div>\n) : nil
html = %(<div class="openblock gist">
#{title_html}<div class="content">
<script src="https://gist.github.com/#{target}.js"></script>
</div>
</div>)
create_pass_block parent, html, attrs, subs: nil
end
end
----
== Usage
[,ruby]
----
Asciidoctor::Extensions.register do
block_macro GistBlockMacro if document.basebackend? 'html'
end
Asciidoctor.convert_file 'sample-with-gist.adoc', safe: :safe
----
|
