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|
# frozen_string_literal: true
# Redmine - project management software
# Copyright (C) 2006-2022 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
require 'cgi'
module Redmine
module WikiFormatting
module Markdown
class HTML < Redcarpet::Render::HTML
include ActionView::Helpers::TagHelper
include Redmine::Helpers::URL
def link(link, title, content)
return nil unless uri_with_safe_scheme?(link)
css = nil
unless link && link.starts_with?('/')
css = 'external'
end
content_tag('a', content.to_s.html_safe, :href => link, :title => title, :class => css)
end
def block_code(code, language)
if language.present? && Redmine::SyntaxHighlighting.language_supported?(language)
html = Redmine::SyntaxHighlighting.highlight_by_language(code, language)
classattr = " class=\"#{CGI.escapeHTML language} syntaxhl\""
else
html = CGI.escapeHTML(code)
end
# original language for extension development
langattr = " data-language=\"#{CGI.escapeHTML language}\"" if language.present?
"<pre><code#{classattr}#{langattr}>#{html}</code></pre>"
end
def image(link, title, alt_text)
return unless uri_with_safe_scheme?(link)
tag('img', :src => link, :alt => alt_text || "", :title => title)
end
end
class Formatter
include Redmine::WikiFormatting::LinksHelper
include Redmine::WikiFormatting::SectionHelper
alias :inline_restore_redmine_links :restore_redmine_links
def initialize(text)
@text = text
end
def to_html(*args)
html = formatter.render(@text)
html = inline_restore_redmine_links(html)
html
end
private
def formatter
@@formatter ||= Redcarpet::Markdown.new(
Redmine::WikiFormatting::Markdown::HTML.new(
:filter_html => true,
:hard_wrap => true
),
:autolink => true,
:fenced_code_blocks => true,
:space_after_headers => true,
:tables => true,
:strikethrough => true,
:superscript => true,
:no_intra_emphasis => true,
:footnotes => true,
:lax_spacing => true,
:underline => true
)
end
end
end
end
end
|
