Class: JekyllPreModule::ExecTag

Inherits:
JekyllSupport::JekyllTag
  • Object
show all
Includes:
JekyllPreVersion
Defined in:
lib/exec_tag.rb

Constant Summary

Constants included from JekyllPreVersion

JekyllPreVersion::VERSION

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.remove_html_tags(string) ⇒ Object 



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# File 'lib/exec_tag.rb', line 18

def self.remove_html_tags(string)
  string.gsub(/<[^>]*>/, '')
end

Instance Method Details

#render_impl ⇒ Object 



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# File 'lib/exec_tag.rb', line 22

def render_impl
  parse_args
  @original_command = @helper.remaining_markup_original
  command = ::JekyllSupport::JekyllPluginHelper.expand_env @original_command
  if command.strip.empty?
    msg = "Command is empty on on line #{@line_number} (after front matter) of #{@page['path']}"
    unless @die_if_error
      @logger.warn { msg }
      return ''
    end
    raise PreError, msg, []
  end

  response = run_command(command)
  response = if @child_status.success?
               JekyllPreModule.compress(response, @no_strip)
             else
               handle_error(command)
             end

  <<~END_OUTPUT
    #{Rack::Utils.escape_html(@original_command)}
    <span class='unselectable'>#{response}</span>
  END_OUTPUT
rescue PreError => e
  raise PreError, e.message, []
rescue StandardError => e
  msg = self.class.remove_html_tags(e.message) +
        " from executing '#{@original_command}' on line #{@line_number} (after front matter) of #{@page['path']}"
  raise PreError, msg.red, [] if @die_if_error
end