Redmine

# Optional CommonMark support, not for JRuby

group :common_mark do

  gem "html-pipeline", "~> 2.12"

  gem "commonmarker", "~> 0.20"

  gem "sanitize", "~> 5.1"

end

begin

  require 'commonmarker' unless Object.const_defined?(:CommonMarker)

rescue LoadError

  # CommonMarker is not available

end

  if Object.const_defined?(:CommonMarker)

    format.register :common_mark, label: 'CommonMark Markdown (GitHub Flavored)'

  end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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 'uri'

module Redmine

  module WikiFormatting

    module CommonMark

      # adds class="external" to external links, and class="email" to mailto

      # links

      class ExternalLinksFilter < HTML::Pipeline::Filter

        def call

          doc.search("a").each do |node|

            url = node["href"]

            next unless url

            next if url.starts_with?("/") || url.starts_with?("#") || !url.include?(':')

            scheme = URI.parse(url).scheme

            next if scheme.blank?

            klass = node["class"].presence

            node["class"] = [

              klass,

              (scheme == "mailto" ? "email" : "external")

            ].compact.join " "

          end

          doc

        end

      end

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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.

module Redmine

  module WikiFormatting

    module CommonMark

      # fixes:

      # - autolinked email addresses that are actually references to users:

      #   user:<a href="mailto:user@example.org">user@example.org</a>

      #   @<a href="mailto:user@example.org">user@example.org</a>

      # - autolinked hi res image names that look like email addresses:

      #   <a href="mailto:printscreen@2x.png">printscreen@2x.png</a>

      class FixupAutoLinksFilter < HTML::Pipeline::Filter

        USER_LINK_PREFIX = /(@|user:)\z/.freeze

        HIRES_IMAGE = /.+@\dx\.(bmp|gif|jpg|jpe|jpeg|png)\z/.freeze

        def call

          doc.search("a").each do |node|

            unless (url = node['href']) && url.starts_with?('mailto:')

              next

            end

            if ((p = node.previous) && p.text? &&

                p.text =~(USER_LINK_PREFIX)) ||

               (node.text =~ HIRES_IMAGE)

              node.replace node.text

            end

          end

          doc

        end

      end

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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 'html/pipeline'

module Redmine

  module WikiFormatting

    module CommonMark

      # configuration of the rendering pipeline

      PIPELINE_CONFIG = {

        # https://github.com/gjtorikian/commonmarker#extensions

        commonmarker_extensions: [

          :table,

          :strikethrough,

          :tagfilter,

          :autolink

        ].freeze,

        # https://github.com/gjtorikian/commonmarker#parse-options

        commonmarker_parse_options: [

          :FOOTNOTES,

          :STRIKETHROUGH_DOUBLE_TILDE,

          :UNSAFE,

          :VALIDATE_UTF8

        ].freeze,

        # https://github.com/gjtorikian/commonmarker#render-options

        commonmarker_render_options: [

          :UNSAFE

        ].freeze,

      }.freeze

      MarkdownPipeline = HTML::Pipeline.new [

        MarkdownFilter,

        SanitizationFilter,

        SyntaxHighlightFilter,

        FixupAutoLinksFilter,

        ExternalLinksFilter,

      ], PIPELINE_CONFIG

      class Formatter < Redmine::WikiFormatting::Markdown::Formatter

        def to_html(*args)

          result = MarkdownPipeline.call @text

          result[:output].to_s

        end

      end

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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.

module Redmine

  module WikiFormatting

    module CommonMark

      module Helper

        include Redmine::WikiFormatting::Markdown::Helper

        def wikitoolbar_for(field_id, preview_url = preview_text_path)

          heads_for_wiki_formatter

          help_file = "/help/#{current_language.to_s.downcase}/wiki_syntax_common_mark.html"

          # fall back to the english help page if there is none for the current

          # language

          unless File.readable? Rails.root.join("public", help_file)

            help_file = "/help/en/wiki_syntax_common_mark.html"

          end

          url = "#{Redmine::Utils.relative_url_root}#{help_file}"

          javascript_tag(

            "var wikiToolbar = new jsToolBar(document.getElementById('#{field_id}')); " \

            "wikiToolbar.setHelpLink('#{escape_javascript url}'); " \

            "wikiToolbar.setPreviewUrl('#{escape_javascript preview_url}'); " \

            "wikiToolbar.draw();"

          )

        end

        # removes the 'underline' icon from the markdown toolbar since there

        # is no such thing in CommonMark

        def heads_for_wiki_formatter

          unless @common_mark_heads_for_wiki_formatter_included

            super

            content_for :header_tags do

              javascript_tag(%[delete jsToolBar.prototype.elements.ins;])

            end

            @common_mark_heads_for_wiki_formatter_included = true

          end

        end

      end

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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.

module Redmine

  module WikiFormatting

    module CommonMark

      HtmlParser = Redmine::WikiFormatting::Markdown::HtmlParser

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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.

module Redmine

  module WikiFormatting

    module CommonMark

      # Converts Markdown to HTML using CommonMarker

      #

      # We do not use the stock HTML::Pipeline::MarkdownFilter because this

      # does not allow for straightforward configuration of render and parsing

      # options

      class MarkdownFilter < HTML::Pipeline::TextFilter

        def initialize(text, context = nil, result = nil)

          super text, context, result

          @text = @text.delete "\r"

        end

        def call

          doc = CommonMarker.render_doc(@text, parse_options, extensions)

          html = doc.to_html render_options, extensions

          html.rstrip!

          html

        end

        private

        def extensions

          context.fetch :commonmarker_extensions, []

        end

        def parse_options

          context.fetch :commonmarker_parse_options, :DEFAULT

        end

        def render_options

          context.fetch :commonmarker_render_options, :DEFAULT

        end

      end

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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.

module Redmine

  module WikiFormatting

    module CommonMark

      # sanitizes rendered HTML using the Sanitize gem

      class SanitizationFilter < HTML::Pipeline::SanitizationFilter

        def whitelist

          @@whitelist ||= customize_whitelist(super.deep_dup)

        end

        private

        # customizes the whitelist defined in

        # https://github.com/jch/html-pipeline/blob/master/lib/html/pipeline/sanitization_filter.rb

        def customize_whitelist(whitelist)

          # Disallow `name` attribute globally, allow on `a`

          whitelist[:attributes][:all].delete("name")

          whitelist[:attributes]["a"].push("name")

          # allow class on code tags (this holds the language info from fenced

          # code bocks and has the format language-foo)

          whitelist[:attributes]["code"] = %w(class)

          whitelist[:transformers].push lambda{|env|

            node = env[:node]

            return unless node.name == "code"

            return unless node.has_attribute?("class")

            unless /\Alanguage-(\w+)\z/.match?(node["class"])

              node.remove_attribute("class")

            end

          }

          # Allow table cell alignment by style attribute

          #

          # Only necessary if we used the TABLE_PREFER_STYLE_ATTRIBUTES

          # commonmarker option (which we do not, currently).

          # By default, the align attribute is used (which is allowed on all

          # elements).

          # whitelist[:attributes]["th"] = %w(style)

          # whitelist[:attributes]["td"] = %w(style)

          # whitelist[:css] = { properties: ["text-align"] }

          # Allow `id` in a and li elements for footnotes

          # and remove any `id` properties not matching for footnotes

          whitelist[:attributes]["a"].push "id"

          whitelist[:attributes]["li"] = %w(id)

          whitelist[:transformers].push lambda{|env|

            node = env[:node]

            return unless node.name == "a" || node.name == "li"

            return unless node.has_attribute?("id")

            return if node.name == "a" && node["id"] =~ /\Afnref\d+\z/

            return if node.name == "li" && node["id"] =~ /\Afn\d+\z/

            node.remove_attribute("id")

          }

          # allow the same set of URL schemes for links as is the default in

          # Redmine::Helpers::URL#uri_with_safe_scheme?

          whitelist[:protocols]["a"]["href"] = [

            'http', 'https', 'ftp', 'mailto', :relative

          ]

          whitelist

        end

      end

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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.

module Redmine

  module WikiFormatting

    module CommonMark

      # Redmine Syntax highlighting for <pre><code class="language-foo">

      # blocks as generated by commonmarker

      class SyntaxHighlightFilter < HTML::Pipeline::Filter

        def call

          doc.search("pre > code").each do |node|

            next unless lang = node["class"].presence

            next unless lang =~ /\Alanguage-(\w+)\z/

            lang = $1

            text = node.inner_text

            if Redmine::SyntaxHighlighting.language_supported?(lang)

              html = Redmine::SyntaxHighlighting.highlight_by_language(text, lang)

              next if html.nil?

              node.inner_html = html

              node["class"] = "#{lang} syntaxhl"

            else

              # unsupported language, strip out the code tag

              node.parent.inner_html = text

            end

          end

          doc

        end

      end

    end

  end

end

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Wiki formatting</title>

<link rel="stylesheet" type="text/css" href="../wiki_syntax.css" />

</head>

<body>

<h1>Wiki Syntax Quick Reference (CommonMark Markdown (GitHub Flavored))</h1>

<table style="width:100%">

<tr><th colspan="3">Font Styles <span class="more_info">(<a href="wiki_syntax_detailed_common_mark.html#5" target="_blank">more</a>)</span></th></tr>

<tr><th><img src="../../images/jstoolbar/bt_strong.png" style="border: 1px solid #bbb;" alt="Strong" /></th><td style="width:50%;">**Strong**</td><td style="width:50%;"><strong>Strong</strong></td></tr>

<tr><th><img src="../../images/jstoolbar/bt_em.png" style="border: 1px solid #bbb;" alt="Italic" /></th><td>*Italic*</td><td><em>Italic</em></td></tr>

<tr><th><img src="../../images/jstoolbar/bt_del.png" style="border: 1px solid #bbb;" alt="Deleted" /></th><td>~~Deleted~~</td><td><del>Deleted</del></td></tr>

<tr><th><img src="../../images/jstoolbar/bt_code.png" style="border: 1px solid #bbb;" alt="Inline Code" /></th><td>`Inline Code`</td><td><code>Inline Code</code></td></tr>

<tr><th><img src="../../images/jstoolbar/bt_pre.png" style="border: 1px solid #bbb;" alt="Preformatted text" /></th><td>```<br />&nbsp;lines<br />&nbsp;of code<br />```</td><td>

<pre>

 lines

 of code

</pre>

</td></tr>

<tr><th colspan="3">Highlighted code <span class="more_info">(<a href="wiki_syntax_detailed_common_mark.html#13" target="_blank">more</a>)</span></th></tr>

<tr><th><img src="../../images/jstoolbar/bt_precode.png" style="border: 1px solid #bbb;" alt="Highlighted code" /></th><td>```ruby<br />3.times do<br />&nbsp;&nbsp;puts 'Hello'<br />end<br />```</td><td>

<pre><code class="ruby syntaxhl"><span class="mi">3</span><span class="p">.</span><span class="nf">times</span> <span class="k">do</span>

  <span class="nb">puts</span> <span class="s1">'Hello'</span>

<span class="k">end</span>

</code></pre>

</td></tr>

<tr><th colspan="3">Line breaks and Paragraphs</th></tr>

<tr><th></th><td>An empty line<br><br>creates<br>a new paragraph.</td><td><p>An empty line</p><p>creates a new paragraph.</p></td></tr>

<tr><th></th><td>End a line with a backslash\<br> or two spaces to insert a manual line break.</td><td><p>End a line with a backslash<br>or two spaces to insert a manual line break.</p></td></tr>

<tr><th colspan="3">Lists</th></tr>

<tr><th><img src="../../images/jstoolbar/bt_ul.png" style="border: 1px solid #bbb;" alt="Unordered list" /></th><td>* Item 1<br />&nbsp;&nbsp;* Sub<br />* Item 2</td><td><ul><li>Item 1<ul><li>Sub</li></ul></li><li>Item 2</li></ul></td></tr>

<tr><th><img src="../../images/jstoolbar/bt_ol.png" style="border: 1px solid #bbb;" alt="Ordered list" /></th><td>1. Item 1<br />&nbsp;&nbsp;&nbsp;1. Sub<br />2. Item 2</td><td><ol><li>Item 1<ol><li>Sub</li></ol></li><li>Item 2</li></ol></td></tr>

<tr><th colspan="3">Headings <span class="more_info">(<a href="wiki_syntax_detailed_common_mark.html#8" target="_blank">more</a>)</span></th></tr>

<tr><th><img src="../../images/jstoolbar/bt_h1.png" style="border: 1px solid #bbb;" alt="Heading 1" /></th><td># Title 1</td><td><h1>Title 1</h1></td></tr>

<tr><th><img src="../../images/jstoolbar/bt_h2.png" style="border: 1px solid #bbb;" alt="Heading 2" /></th><td>## Title 2</td><td><h2>Title 2</h2></td></tr>

<tr><th><img src="../../images/jstoolbar/bt_h3.png" style="border: 1px solid #bbb;" alt="Heading 3" /></th><td>### Title 3</td><td><h3>Title 3</h3></td></tr>

<tr><th colspan="3">Links <span class="more_info">(<a href="wiki_syntax_detailed_common_mark.html#4" target="_blank">more</a>)</span></th></tr>

<tr><th></th><td>www.foo.bar</td><td><a href="#">www.foo.bar</a></td></tr>

<tr><th></th><td>http://foo.bar</td><td><a href="#">http://foo.bar</a></td></tr>

<tr><th></th><td>[Foo](http://foo.bar)</td><td><a href="#">Foo</a></td></tr>

<tr><th colspan="3">Redmine links <span class="more_info">(<a href="wiki_syntax_detailed_common_mark.html#3" target="_blank">more</a>)</span></th></tr>

<tr><th><img src="../../images/jstoolbar/bt_link.png" style="border: 1px solid #bbb;" alt="Link to a Wiki page" /></th><td>[[Wiki page]]</td><td><a href="#">Wiki page</a></td></tr>

<tr><th></th><td>Issue #12</td><td>Issue <a href="#">#12</a></td></tr>

<tr><th></th><td>##12</td><td><a href="#">Bug #12</a>: The issue subject</td></tr>

<tr><th></th><td>Revision r43</td><td>Revision <a href="#">r43</a></td></tr>

<tr><th></th><td>commit:f30e13e43</td><td><a href="#">f30e13e4</a></td></tr>

<tr><th></th><td>source:some/file</td><td><a href="#">source:some/file</a></td></tr>

<tr><th colspan="3">Inline images <span class="more_info">(<a href="wiki_syntax_detailed_common_mark.html#7" target="_blank">more</a>)</span></th></tr>

<tr><th><img src="../../images/jstoolbar/bt_img.png" style="border: 1px solid #bbb;" alt="Image" /></th><td>![](<em>image_url</em>)</td><td></td></tr>

<tr><th></th><td>![](<em>attached_image</em>)</td><td></td></tr>

<tr><th colspan="3">Tables</th></tr>

<tr>

  <th></th>

  <td>| A | B | C |<br />|---|---|---|<br />| A | B | C |<br />| D | E | F |</td>

  <td>

    <table class="sample">

      <tbody>

        <th>A</th><th>B</th><th>C</th>

        <tr><td>A</td><td>B</td><td>C</td></tr>

        <tr><td>D</td><td>E</td><td>F</td></tr>

      </tbody>

    </table>

  </td>

</tr>

<tr><th colspan="3">Raw HTML <span class="more_info">(<a href="wiki_syntax_detailed_common_mark.html#15" target="_blank">more</a>)</span></th></tr>

<tr>

  <th></th><td>HTML is &lt;del&gt;not&lt;/del&gt; &lt;u&gt;allowed&lt;/u&gt;.</td><td>HTML is <del>not</del> <u>allowed</u>.<td>

</tr>

</table>

<p><a href="wiki_syntax_detailed_common_mark.html" onclick="window.open('wiki_syntax_detailed_common_mark.html', '', ''); return false;">More Information</a></p>

</body>

</html>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">

<head>

<title>RedmineWikiFormatting (CommonMark Markdown (GitHub Flavored))</title>

<meta http-equiv="content-type" content="text/html; charset=utf-8" />

<link rel="stylesheet" type="text/css" href="../wiki_syntax_detailed.css" />

</head>

<body>

<h1><a name="1" class="wiki-page"></a>Wiki formatting (CommonMark Markdown (GitHub Flavored))</h1>

    <ul class='toc'>

        <li><a href='#2'>Links</a></li>

        <ul>

            <li><a href='#3'>Redmine links</a></li>

            <li><a href='#4'>External links</a></li>

        </ul>

        <li><a href='#5'>Text formatting</a></li>

        <ul>

            <li><a href='#6'>Font style</a></li>

            <li><a href='#7'>Inline images</a></li>

            <li><a href='#8'>Headings</a></li>

            <li><a href='#10'>Blockquotes</a></li>

            <li><a href='#11'>Table of content</a></li>

            <li><a href='#14'>Horizontal Rule</a></li>

        </ul>

        <li><a href='#12'>Macros</a></li>

        <li><a href='#13'>Code highlighting</a></li>

        <li><a href='#15'>Raw HTML</a></li>

    </ul>

    <h2><a name="2" class="wiki-page"></a>Links</h2>

        <h3><a name="3" class="wiki-page"></a>Redmine links</h3>

        <p>Redmine allows hyperlinking between resources (issues, changesets, wiki pages...) from anywhere wiki formatting is used.</p>

        <ul>

            <li>Link to an issue: <strong>#124</strong> (displays <del><a href="#" class="issue" title="bulk edit doesn't change the category or fixed version properties (Closed)">#124</a></del>, link is striked-through if the issue is closed)</li>

            <li>Link to an issue including tracker name and subject: <strong>##124</strong> (displays <a href="#" class="issue" title="bulk edit doesn't change the category or fixed version properties (New)">Bug #124</a>: bulk edit doesn't change the category or fixed version properties)</li>

            <li>Link to an issue note: <strong>#124-6</strong>, or <strong>#124#note-6</strong></li>

            <li>Link to an issue note within the same issue: <strong>#note-6</strong></li>

        </ul>

        <p>Wiki links:</p>

        <ul>

            <li><strong>[[Guide]]</strong> displays a link to the page named 'Guide': <a href="#" class="wiki-page">Guide</a></li>

            <li><strong>[[Guide#further-reading]]</strong> takes you to the anchor "further-reading". Headings get automatically assigned anchors so that you can refer to them: <a href="#" class="wiki-page">Guide</a></li>

            <li><strong>[[#further-reading]]</strong> link to the anchor "further-reading" of the current page: <a href="#" class="wiki-page">#further-reading</a></li>

            <li><strong>[[Guide|User manual]]</strong> displays a link to the same page but with a different text: <a href="#" class="wiki-page">User manual</a></li>

        </ul>

        <p>You can also link to pages of an other project wiki:</p>

        <ul>

            <li><strong>[[sandbox:some page]]</strong> displays a link to the page named 'Some page' of the Sandbox wiki</li>

            <li><strong>[[sandbox:]]</strong> displays a link to the Sandbox wiki main page</li>

        </ul>

        <p>Wiki links are displayed in red if the page doesn't exist yet, eg: <a href="#" class="wiki-page new">Nonexistent page</a>.</p>

        <p>Links to other resources:</p>

        <ul>

            <li>Documents:

                <ul>

                    <li><strong>document#17</strong> (link to document with id 17)</li>

                    <li><strong>document:Greetings</strong> (link to the document with title "Greetings")</li>

                    <li><strong>document:"Some document"</strong> (double quotes can be used when document title contains spaces)</li>

                    <li><strong>sandbox:document:"Some document"</strong> (link to a document with title "Some document" in other project "sandbox")</li>

                </ul>

            </li>

        </ul>

        <ul>

            <li>Versions:

                <ul>

                    <li><strong>version#3</strong> (link to version with id 3)</li>

                    <li><strong>version:1.0.0</strong> (link to version named "1.0.0")</li>

                    <li><strong>version:"1.0 beta 2"</strong></li>

                    <li><strong>sandbox:version:1.0.0</strong> (link to version "1.0.0" in the project "sandbox")</li>

                </ul>

            </li>

        </ul>

        <ul>

            <li>Attachments:

                <ul>

                    <li><strong>attachment:file.zip</strong> (link to the attachment of the current object named file.zip)</li>

                    <li>For now, attachments of the current object can be referenced only (if you're on an issue, it's possible to reference attachments of this issue only)</li>

                </ul>

            </li>

        </ul>

        <ul>

            <li>Changesets:

                <ul>

                    <li><strong>r758</strong>                       (link to a changeset)</li>

                    <li><strong>commit:c6f4d0fd</strong>            (link to a changeset with a non-numeric hash)</li>

                    <li><strong>svn1|r758</strong>                  (link to a changeset of a specific repository, for projects with multiple repositories)</li>

                    <li><strong>commit:hg|c6f4d0fd</strong>         (link to a changeset with a non-numeric hash of a specific repository)</li>

                    <li><strong>sandbox:r758</strong>               (link to a changeset of another project)</li>

                    <li><strong>sandbox:commit:c6f4d0fd</strong>    (link to a changeset with a non-numeric hash of another project)</li>

                </ul>

            </li>

        </ul>

        <ul>

             <li>Repository files:

                <ul>

                    <li><strong>source:some/file</strong>           (link to the file located at /some/file in the project's repository)</li>

                    <li><strong>source:some/file@52</strong>        (link to the file's revision 52)</li>

                    <li><strong>source:some/file#L120</strong>      (link to line 120 of the file)</li>

                    <li><strong>source:some/file@52#L120</strong>   (link to line 120 of the file's revision 52)</li>

                    <li><strong>source:"some file@52#L120"</strong> (use double quotes when the URL contains spaces</li>

                    <li><strong>export:some/file</strong>           (force the download of the file)</li>

                    <li><strong>source:svn1|some/file</strong>      (link to a file of a specific repository, for projects with multiple repositories)</li>

                    <li><strong>sandbox:source:some/file</strong>   (link to the file located at /some/file in the repository of the project "sandbox")</li>

                    <li><strong>sandbox:export:some/file</strong>   (force the download of the file)</li>

                </ul>

            </li>

        </ul>

        <ul>

            <li>Forums:

                <ul>

                    <li><strong>forum#1</strong> (link to forum with id 1</li>

                    <li><strong>forum:Support</strong> (link to forum named Support)</li>

                    <li><strong>forum:"Technical Support"</strong> (use double quotes if forum name contains spaces)</li>

                </ul>

            </li>

        </ul>

        <ul>

            <li>Forum messages:

                <ul>

                    <li><strong>message#1218</strong> (link to message with id 1218)</li>

                </ul>

            </li>

        </ul>

        <ul>

            <li>Projects:

                <ul>

                    <li><strong>project#3</strong> (link to project with id 3)</li>

                    <li><strong>project:some-project</strong> (link to project with name or slug of "some-project")</li>

                    <li><strong>project:"Some Project"</strong> (use double quotes for project name containing spaces)</li>

                </ul>

             </li>

        </ul>

        <ul>

            <li>News:

                <ul>

                    <li><strong>news#2</strong> (link to news item with id 2)</li>

                    <li><strong>news:Greetings</strong> (link to news item named "Greetings")</li>

                    <li><strong>news:"First Release"</strong> (use double quotes if news item name contains spaces)</li>

                </ul>

            </li>

        </ul>

        <ul>

            <li>Users:

                <ul>

                    <li><strong>user#2</strong> (link to user with id 2)</li>

                    <li><strong>user:jsmith</strong> (Link to user with login jsmith)</li>

                    <li><strong>@jsmith</strong> (Link to user with login jsmith)</li>

                </ul>

            </li>

        </ul>

        <p>Escaping:</p>

        <ul>

            <li>You can prevent Redmine links from being parsed by preceding them with an exclamation mark: !</li>

        </ul>

        <h3><a name="4" class="wiki-page"></a>External links</h3>

        <p>URLs (starting with: www, http, https, ftp, ftps, sftp and sftps) and email addresses are automatically turned into clickable links:</p>

<pre>

http://www.redmine.org, someone@foo.bar

</pre>

        <p>displays: <a class="external" href="http://www.redmine.org">http://www.redmine.org</a>, <a href="mailto:someone@foo.bar" class="email">someone@foo.bar</a></p>

        <p>If you want to display a specific text instead of the URL, you can use the standard markdown syntax:</p>

<pre>

[Redmine web site](http://www.redmine.org)

</pre>

        <p>displays: <a href="http://www.redmine.org" class="external">Redmine web site</a></p>

    <h2><a name="5" class="wiki-page"></a>Text formatting</h2>

<p>For things such as headlines, bold, tables, lists, Redmine supports Markdown syntax according to <a class="external" href="https://commonmark.org/">CommonMark</a> including some extensions commonly referred to as <em>GitHub flavored Markdown</em>. See the <a class="external" href="https://github.github.com/gfm">GitHub Flavored Markdown Spec</a> for information on using any of these features.  A few samples are included below, but the engine is capable of much more of that.</p>

        <h3><a name="6" class="wiki-page"></a>Font style</h3>

<pre>

* **bold**

* *Italic*

* ***bold italic***

* ~~strike-through~~

</pre>

        <p>Display:</p>

        <ul>

            <li><strong>bold</strong></li>

            <li><em>italic</em></li>

            <li><em><strong>bold italic</strong></em></li>

            <li><del>strike-through</del></li>

        </ul>

        <h3><a name="7" class="wiki-page"></a>Inline images</h3>

        <ul>

            <li><strong>![](image_url)</strong> displays an image located at image_url (markdown syntax)</li>

            <li>If you have an image attached to your wiki page, it can be displayed inline using its filename: <strong>![](attached_image)</strong></li>

            <li>Images in your computer's clipboard can be pasted directly using Ctrl-v or Command-v.</li>

            <li>Image files can be dragged onto the text area in order to be uploaded and embedded.</li>

        </ul>

        <h3><a name="8" class="wiki-page"></a>Headings</h3>

<pre>

# Heading

## Subheading

### Subsubheading

</pre>

        <p>Redmine assigns an anchor to each of those headings thus you can link to them with "#Heading", "#Subheading" and so forth.</p>

        <h3><a name="10" class="wiki-page"></a>Blockquotes</h3>

        <p>Start the paragraph with <strong>&gt;</strong></p>

<pre>

> Rails is a full-stack framework for developing database-backed web applications according to the Model-View-Control pattern.

To go live, all you need to add is a database and a web server.

</pre>

        <p>Display:</p>

        <blockquote>

                <p>Rails is a full-stack framework for developing database-backed web applications according to the Model-View-Control pattern.<br />To go live, all you need to add is a database and a web server.</p>

        </blockquote>

        <h3><a name="11" class="wiki-page"></a>Table of content</h3>

<pre>

{{toc}} => left aligned toc

{{>toc}} => right aligned toc

</pre>

        <h3><a name="14" class="wiki-page"></a>Horizontal Rule</h3>

<pre>

---

</pre>

    <h2><a name="12" class="wiki-page"></a>Macros</h2>

    <p>Redmine has the following builtin macros:</p>

    <p>

    <dl>

      <dt><code>hello_world</code></dt>

      <dd><p>Sample macro.</p></dd>

      <dt><code>macro_list</code></dt>

      <dd><p>Displays a list of all available macros, including description if available.</p></dd>

      <dt><code>child_pages</code></dt>

      <dd><p>Displays a list of child pages. With no argument, it displays the child pages of the current wiki page. Examples:</p>

      <pre><code>{{child_pages}} -- can be used from a wiki page only

{{child_pages(depth=2)}} -- display 2 levels nesting only</code></pre></dd>

      <dt><code>include</code></dt>

      <dd><p>Include a wiki page. Example:</p>

      <pre><code>{{include(Foo)}}</code></pre>

      <p>or to include a page of a specific project wiki:</p>

      <pre><code>{{include(projectname:Foo)}}</code></pre></dd>

      <dt><code>collapse</code></dt>

      <dd><p>Inserts of collapsed block of text. Example:</p>

      <pre><code>{{collapse(View details...)

This is a block of text that is collapsed by default.

It can be expanded by clicking a link.

}}</code></pre></dd>

      <dt><code>thumbnail</code></dt>

      <dd><p>Displays a clickable thumbnail of an attached image. Examples:</p>

      <pre>{{thumbnail(image.png)}}

{{thumbnail(image.png, size=300, title=Thumbnail)}}</pre></dd>

      <dt><code>issue</code></dt>

      <dd><p>Inserts a link to an issue with flexible text. Examples:</p>

      <pre>{{issue(123)}}                              -- Issue #123: Enhance macro capabilities

{{issue(123, project=true)}}                -- Andromeda - Issue #123:Enhance macro capabilities

{{issue(123, tracker=false)}}               -- #123: Enhance macro capabilities

{{issue(123, subject=false, project=true)}} -- Andromeda - Issue #123</pre></dd>

    </dl>

    </p>

    <h2><a name="13" class="wiki-page"></a>Code highlighting</h2>

    <p>Default code highlighting relies on <a href="http://rouge.jneen.net/" class="external">Rouge</a>, a syntax highlighting library written in pure Ruby. It supports many commonly used languages such as <strong>c</strong>, <strong>cpp</strong> (c++), <strong>csharp</strong> (c#, cs), <strong>css</strong>, <strong>diff</strong> (patch, udiff), <strong>go</strong> (golang), <strong>groovy</strong>, <strong>html</strong>, <strong>java</strong>, <strong>javascript</strong> (js), <strong>kotlin</strong>, <strong>objective_c</strong> (objc), <strong>perl</strong> (pl), <strong>php</strong>, <strong>python</strong> (py), <strong>r</strong>, <strong>ruby</strong> (rb), <strong>sass</strong>, <strong>scala</strong>, <strong>shell</strong> (bash, zsh, ksh, sh), <strong>sql</strong>, <strong>swift</strong>, <strong>xml</strong> and <strong>yaml</strong> (yml) languages, where the names inside parentheses are aliases. Please refer to <a href="https://www.redmine.org/projects/redmine/wiki/RedmineCodeHighlightingLanguages" class="external">https://www.redmine.org/projects/redmine/wiki/RedmineCodeHighlightingLanguages</a> for the full list of supported languages.</p>

    <p>You can highlight code at any place that supports wiki formatting using this syntax (note that the language name or alias is case-insensitive):</p>

<pre>

```ruby

  Place your code here.

```

</pre>

    <p>Example:</p>

<pre><code class="ruby syntaxhl"><span class="c1"># The Greeter class</span>

<span class="k">class</span> <span class="nc">Greeter</span>

  <span class="k">def</span> <span class="nf">initialize</span><span class="p">(</span><span class="nb">name</span><span class="p">)</span>

    <span class="vi">@name</span> <span class="o">=</span> <span class="nb">name</span><span class="p">.</span><span class="nf">capitalize</span>

  <span class="k">end</span>

  <span class="k">def</span> <span class="nf">salute</span>

    <span class="nb">puts</span> <span class="s2">"Hello </span><span class="si">#{</span><span class="vi">@name</span><span class="si">}</span><span class="s2">!"</span>

  <span class="k">end</span>

<span class="k">end</span>

</code></pre>

    <h2><a name="15" class="wiki-page"></a>Raw HTML</h2>

    <p>You may use raw HTML for more complex formatting tasks, i.e. complex tables with cells spanning multiple rows or columns:</p>

  <pre><code>

    <table width="50%">

      <tr><td rowspan="2">Two rows</td><td>foo</td></tr>

      <tr><td>bar</td></tr>

      <tr><td align="center" colspan="2">bar</td></tr>

    </table>

  </code></pre>

  <p>yields</p>

<table width="50%" class="sample">

<tr><td rowspan="2">Two rows</td><td>foo</td></tr>

<tr><td>bar</td></tr>

<tr><td align="center" colspan="2">bar</td></tr>

</table>

</body>

</html>

table.sample { border-collapse: collapse; border-spacing: 0; margin: 4px; margin-left: 30px;}

table.sample th, table.sample td { border: solid 1px #bbb; padding: 4px; height: 1em; }

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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 File.expand_path('../../../../../../test_helper', __FILE__)

class Redmine::WikiFormatting::CommonMark::ApplicationHelperTest < Redmine::HelperTest

  if Object.const_defined?(:CommonMarker)

    include ERB::Util

    include Rails.application.routes.url_helpers

    fixtures :projects, :enabled_modules,

             :users, :email_addresses,

             :members, :member_roles, :roles,

             :repositories, :changesets,

             :projects_trackers,

             :trackers, :issue_statuses, :issues, :versions, :documents, :journals,

             :wikis, :wiki_pages, :wiki_contents,

             :boards, :messages, :news,

             :attachments, :enumerations,

             :custom_values, :custom_fields, :custom_fields_projects

    def setup

      super

      set_tmp_attachments_directory

    end

    def test_attached_images_with_markdown_and_non_ascii_filename

      to_test = {

        'CAFÉ.JPG' => 'CAF%C3%89.JPG',

        'crème.jpg' => 'cr%C3%A8me.jpg',

      }

      with_settings :text_formatting => 'common_mark' do

        to_test.each do |filename, result|

          attachment = Attachment.generate!(:filename => filename)

          assert_include %(<img src="/attachments/download/#{attachment.id}/#{result}" alt="">), textilizable("![](#{filename})", :attachments => [attachment])

        end

      end

    end

    def test_toc_with_markdown_formatting_should_be_parsed

      with_settings :text_formatting => 'common_mark' do

        assert_select_in textilizable("{{toc}}\n\n# Heading"), 'ul.toc li', :text => 'Heading'

        assert_select_in textilizable("{{<toc}}\n\n# Heading"), 'ul.toc.left li', :text => 'Heading'

        assert_select_in textilizable("{{>toc}}\n\n# Heading"), 'ul.toc.right li', :text => 'Heading'

      end

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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 File.expand_path('../../../../../../test_helper', __FILE__)

if Object.const_defined?(:CommonMarker)

  require 'redmine/wiki_formatting/common_mark/external_links_filter'

  class Redmine::WikiFormatting::CommonMark::ExternalLinksFilterTest < ActiveSupport::TestCase

    def filter(html)

      Redmine::WikiFormatting::CommonMark::ExternalLinksFilter.to_html(html, @options)

    end

    def setup

      @options = { }

    end

    def test_external_links_should_have_external_css_class

      assert_equal %(<a href="http://example.net/" class="external">link</a>), filter(%(<a href="http://example.net/">link</a>))

    end

    def test_locals_links_should_not_have_external_css_class

      assert_equal %(<a href="/">home</a>), filter(%(<a href="/">home</a>))

      assert_equal %(<a href="relative">relative</a>), filter(%(<a href="relative">relative</a>))

      assert_equal %(<a href="#anchor">anchor</a>), filter(%(<a href="#anchor">anchor</a>))

    end

    def test_mailto_links_should_have_email_class

      assert_equal %(<a href="mailto:user@example.org" class="email">user</a>), filter(%(<a href="mailto:user@example.org">user</a>))

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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 File.expand_path('../../../../../../test_helper', __FILE__)

if Object.const_defined?(:CommonMarker)

  require 'redmine/wiki_formatting/common_mark/fixup_auto_links_filter'

  class Redmine::WikiFormatting::CommonMark::FixupAutoLinksFilterTest < ActiveSupport::TestCase

    def filter(html)

      Redmine::WikiFormatting::CommonMark::FixupAutoLinksFilter.to_html(html, @options)

    end

    def format(markdown)

      Redmine::WikiFormatting::CommonMark::MarkdownFilter.to_html(markdown, Redmine::WikiFormatting::CommonMark::PIPELINE_CONFIG)

    end

    def setup

      @options = { }

    end

    def test_should_fixup_autolinked_user_references

      text = "user:user@example.org"

      assert_equal "<p>#{text}</p>", filter(format(text))

      text = "@user@example.org"

      assert_equal "<p>#{text}</p>", filter(format(text))

    end

    def test_should_fixup_autolinked_hires_files

      text = "printscreen@2x.png"

      assert_equal "<p>#{text}</p>", filter(format(text))

    end

  end

end

# frozen_string_literal: true

# Redmine - project management software

# Copyright (C) 2006-2021  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 File.expand_path('../../../../../../test_helper', __FILE__)

class Redmine::WikiFormatting::CommonMark::FormatterTest < ActionView::TestCase

  if Object.const_defined?(:CommonMarker)

    def setup

      @formatter = Redmine::WikiFormatting::CommonMark::Formatter

    end

    def format(text)

      @formatter.new(text).to_html

    end

    def test_should_render_hard_breaks

      html ="<p>foo<br>\nbar</p>"

      assert_equal html, format("foo\\\nbar")

      assert_equal html, format("foo  \nbar")

    end

    def test_should_ignore_soft_breaks

      assert_equal "<p>foo\nbar</p>", format("foo\nbar")

    end

    def test_syntax_error_in_image_reference_should_not_raise_exception

      assert format("!>[](foo.png)")

    end

    def test_empty_image_should_not_raise_exception

      assert format("![]()")

    end

    def test_inline_style

      assert_equal "<p><strong>foo</strong></p>", format("**foo**")

    end

    def test_not_set_intra_emphasis

      assert_equal "<p>foo_bar_baz</p>", format("foo_bar_baz")

    end

    def test_wiki_links_should_be_preserved

      text = 'This is a wiki link: [[Foo]]'

      assert_include '[[Foo]]', format(text)

    end

    def test_redmine_links_with_double_quotes_should_be_preserved

      text = 'This is a redmine link: version:"1.0"'

      assert_include 'version:"1.0"', format(text)

    end

    def test_links_by_id_should_be_preserved

      text = "[project#3]"

      assert_equal "<p>#{text}</p>", format(text)

    end

    def test_links_to_users_should_be_preserved

      text = "[@login]"

      assert_equal "<p>#{text}</p>", format(text)

      text = "[user:login]"

      assert_equal "<p>#{text}</p>", format(text)

      text = "user:user@example.org"

      assert_equal "<p>#{text}</p>", format(text)

      text = "[user:user@example.org]"

      assert_equal "<p>#{text}</p>", format(text)

      text = "@user@example.org"

      assert_equal "<p>#{text}</p>", format(text)

      text = "[@user@example.org]"

      assert_equal "<p>#{text}</p>", format(text)

    end

    def test_files_with_at_should_not_end_up_as_mailto_links

      text = "printscreen@2x.png"

      assert_equal "<p>#{text}</p>", format(text)

      text = "[printscreen@2x.png]"

      assert_equal "<p>#{text}</p>", format(text)

    end

    def test_should_support_syntax_highlight

      text = <<-STR

  ~~~ruby

  def foo

  end

  ~~~

      STR

      assert_select_in format(text), 'pre code.ruby.syntaxhl' do

        assert_select 'span.k', :text => 'def'

      end

    end

    def test_should_not_allow_invalid_language_for_code_blocks

      text = <<-STR

  ~~~foo

  test

  ~~~

      STR

      assert_equal "<pre>test\n</pre>", format(text)

    end

    def test_external_links_should_have_external_css_class

      text = 'This is a [link](http://example.net/)'

      assert_equal '<p>This is a <a href="http://example.net/" class="external">link</a></p>', format(text)

    end

    def test_locals_links_should_not_have_external_css_class

      text = 'This is a [link](/issues)'

      assert_equal '<p>This is a <a href="/issues">link</a></p>', format(text)

    end

    def test_markdown_should_not_require_surrounded_empty_line

      text = <<-STR

  This is a list:

  * One

  * Two

      STR

      assert_equal "<p>This is a list:</p>\n<ul>\n<li>One</li>\n<li>Two</li>\n</ul>", format(text)

    end

    def test_footnotes

      text = <<-STR

  This is some text[^1].

  [^1]: This is the foot note

      STR

      expected = <<-EXPECTED

  <p>This is some text<sup><a href="#fn1" id="fnref1">1</a></sup>.</p>

   <ol>

  <li id="fn1">

  <p>This is the foot note <a href="#fnref1">↩</a></p>

  </li>

  </ol>

      EXPECTED

      assert_equal expected.gsub(%r{[\r\n\t]}, ''), format(text).gsub(%r{[\r\n\t]}, '')

    end

    STR_WITH_PRE = [

      # 0

      <<~STR.chomp,

        # Title

        Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Maecenas sed libero.

      STR

      # 1

      <<~STR.chomp,

        ## Heading 2

        ~~~ruby

          def foo

          end

        ~~~

        Morbi facilisis accumsan orci non pharetra.

        ~~~ ruby

        def foo

        end

        ~~~

        ```

        Pre Content:

        ## Inside pre

        <tag> inside pre block

        Morbi facilisis accumsan orci non pharetra.

        ```

      STR

      # 2

      <<~STR.chomp,

        ### Heading 3

        Nulla nunc nisi, egestas in ornare vel, posuere ac libero.

      STR

    ]

    def test_get_section_should_ignore_pre_content

      text = STR_WITH_PRE.join("\n\n")

      assert_section_with_hash STR_WITH_PRE[1..2].join("\n\n"), text, 2

      assert_section_with_hash STR_WITH_PRE[2], text, 3

    end

    def test_update_section_should_not_escape_pre_content_outside_section

      text = STR_WITH_PRE.join("\n\n")

      replacement = "New text"

      assert_equal [STR_WITH_PRE[0..1], "New text"].flatten.join("\n\n"),

        @formatter.new(text).update_section(3, replacement)

    end

    def test_should_emphasize_text

      text = 'This _text_ should be emphasized'

      assert_equal '<p>This <em>text</em> should be emphasized</p>', format(text)

    end

    def test_should_strike_through_text

      text = 'This ~~text~~ should be striked through'

      assert_equal '<p>This <del>text</del> should be striked through</p>', format(text)

    end

    def test_should_autolink_urls_and_emails

      [

        ["http://example.org", '<p><a href="http://example.org" class="external">http://example.org</a></p>'],

        ["http://www.redmine.org/projects/redmine/issues?utf8=✓",

         '<p><a href="http://www.redmine.org/projects/redmine/issues?utf8=%E2%9C%93" class="external">http://www.redmine.org/projects/redmine/issues?utf8=✓</a></p>'],

        ['[Letters](https://yandex.ru/search/?text=кол-во)', '<p><a href="https://yandex.ru/search/?text=%D0%BA%D0%BE%D0%BB-%D0%B2%D0%BE" class="external">Letters</a></p>'],

        ["www.example.org", '<p><a href="http://www.example.org" class="external">www.example.org</a></p>'],

        ["user@example.org", '<p><a href="mailto:user@example.org" class="email">user@example.org</a></p>']

      ].each do |text, html|

        assert_equal html, format(text)

      end

    end

    def test_should_support_html_tables

      text = '<table style="background: red"><tr><td>Cell</td></tr></table>'

      assert_equal '<table><tr><td>Cell</td></tr></table>', format(text)

    end

    def test_should_remove_unsafe_uris

      [

        ['<img src="data:foobar">', '<img>'],

        ['<a href="javascript:bla">click me</a>', '<p><a>click me</a></p>'],

      ].each do |text, html|

        assert_equal html, format(text)

      end

    end

    def test_should_escape_unwanted_tags

      [

        [

          %[<p>sit<br>amet &lt;style&gt;.foo { color: #fff; }&lt;/style&gt; &lt;script&gt;alert("hello world");&lt;/script&gt;</p>],

          %[sit<br/>amet <style>.foo { color: #fff; }</style> <script>alert("hello world");</script>]

        ]

      ].each do |expected, input|

        assert_equal expected, format(input)

      end

    end