Add copy button for dotted config properties

Author: michalvavrik

_plugins/asciidoctor-extension.rb

@@ -52,6 +52,21 @@
   end
 end
 
+def escape_double_quotes(str)
+  str.gsub(/"/) { |x| %(\\\\#{x}) }
+end
+
+Extensions.register do
+  inline_macro do
+    named :config_property_copy_button
+    resolve_attributes false
+    process do |parent, target, attrs|
+      config_property = escape_double_quotes(target)
+      copy_btn = %(<button class="btn-copy fa fa-clipboard inline-btn-copy" data-clipboard-action="copy" data-clipboard-text="#{config_property}" title="Copy to clipboard" do-not-collapse="true"></button>)
+      create_inline_pass parent, %(#{copy_btn})
+    end
+  end
+end
 
 ### ALL CONFIG page processors