Module: GitlabKramdown::Parser::Strikethrough

Included in:
Kramdown::Parser::GitlabKramdown
Defined in:
lib/gitlab_kramdown/parser/strikethrough.rb

Overview

Strikethrough

This parser implements strikethrough markup based on GFM used as-is in GitLab Flavored Markdown

Based on Kramdown GFM implementation

See Also:

Constant Summary collapse

STRIKETHROUGH_DELIM = 
/~~/
STRIKETHROUGH_MATCH = 
%r{
  (?<re>
    #{STRIKETHROUGH_DELIM} # start with ~~
    (?!\s|~)               # not followed by ~ or space (negative lookahead)
    (?:\g<re>|.*?)*        # recursive <re> or lazy match anything
    (?<!\s|~)              # something different than space and ~ (negative lookbehind)
    #{STRIKETHROUGH_DELIM} # end with ~~
  )
}x

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/gitlab_kramdown/parser/strikethrough.rb', line 25

def self.included(klass)
  klass.define_parser(:strikethrough_gitlab, STRIKETHROUGH_MATCH, '~~')
end

Instance Method Details

#parse_strikethrough_gitlab ⇒ Object 



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# File 'lib/gitlab_kramdown/parser/strikethrough.rb', line 29

def parse_strikethrough_gitlab
  line_number = @src.current_line_number

  @src.pos += @src.matched_size
  el = Kramdown::Element.new(:html_element, 'del', {}, category: :span, line: line_number)
  @tree.children << el

  env = save_env
  reset_env(src: Kramdown::Utils::StringScanner.new(@src.matched[2..-3], line_number), text_type: :text)
  parse_spans(el)
  restore_env(env)

  el
end