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demo_block_tag.rb
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demo_block_tag.rb
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require 'cgi'
require 'jekyll_plugin_support'
module Jekyll
# DemoBlockError = JekyllSupport.define_error
class DemoBlock < JekyllSupport::JekyllBlock
VERSION = '0.1.2'.freeze
def render_impl(text)
@demo_block_error = @helper.parameter_specified? 'raise_demo_block_error'
@keyword1 = @helper.parameter_specified? 'keyword1'
@keyword2 = @helper.parameter_specified? 'keyword2'
@name1 = @helper.parameter_specified? 'name1'
@name2 = @helper.parameter_specified? 'name2'
@standard_error = @helper.parameter_specified? 'raise_standard_error'
if @tag_config
@die_on_demo_block_error = @tag_config['die_on_demo_block_error'] == true
@die_on_standard_error = @tag_config['die_on_standard_error'] == true
end
raise DemoBlockTagError, 'Fall down, go boom.' if @demo_block_error
_infinity = 1 / 0 if @standard_error
output text
rescue DemoBlockTagError => e # jekyll_plugin_support handles StandardError
e.shorten_backtrace
@logger.error e.logger_message
raise e if @die_on_demo_block_error
e.html_message
end
private
def output(text)
<<~END_OUTPUT
<pre>@helper.tag_name=#{@helper.tag_name}
@mode=#{@mode}
# jekyll_plugin_support becomes able to perform variable substitution after this variable is defined.
# The value could be updated at a later stage, but no need to add that complexity unless there is a use case.
@argument_string="#{@argument_string}"
@helper.argv=
#{@helper.argv&.join("\n ")}
# Liquid variable name/value pairs
@helper.params=
#{@helper.params&.map { |k, v| "#{k}=#{v}" }&.join("\n ")}
# The keys_values property serves no purpose any more, consider it deprecated
@helper.keys_values=
#{(@helper.keys_values&.map { |k, v| "#{k}=#{v}" })&.join("\n ")}
@helper.remaining_markup='#{@helper.remaining_markup}'
@envs=#{@envs.keys.sort.join(', ')}
@config['url']='#{@config['url']}'
@site.collection_names=#{@site.collection_names&.sort&.join(', ')}
@page['description']=#{@page['description']}
@page['path']=#{@page['path']}
@keyword1=#{@keyword1}
@keyword2=#{@keyword2}
@name1=#{@name1}
@name2=#{@name2}
text=#{text}</pre>
END_OUTPUT
end
JekyllPluginHelper.register(self, 'demo_block_tag')
end
end